Golang Distributed Systems Jobs in United Kingdom Paying 50,000 USD a Year

Job Description

Lead Engineer - Go, Python, AWS

Are you an enthusiastic, experienced engineer with excellent experience in Go or Python, looking for the opportunity to work in a small and growing start-up?

MachineMax is actively hiring a Lead Engineer to join them - a team of around 20 people, they are creating a world first machine analytics service that will deliver, analyse and visualise data to improve machine efficiencies through the use of IoT technologies, Machine Learning methods, and cutting-edge techniques.

This is a true opportunity to shape and build both a product and an engineering culture. Far from your typical start-up, MachineMax has been incubated with BCG Digital Ventures, a fortune 50 corporate partner, and a venture capital firm managed by a Facebook founder.

As a Lead Back End Engineer you'd be joining a tight-knit, collaborative team in a role that is a mixture of hands on coding, mentorship of less experienced developers, and contribution of software development expertise to the rest of the venture team.

Responsibilities: Develop a range of APIs to serve multiple internal consumers, from customer facing apps to machine learning pipelines Design and deliver high quality, well-tested code in Go/Python Communicate with other teams and individuals to plan, coordinate and collaborate Pitch in where needed as a valued member of an autonomous, cross-functional team Share technical solutions and product ideas Champion testability, security, and scalability

Requirements: Excellent development experience building scalable backend services in Go or Python Excellent architecture and design skills Experience working with distributed systems Analytical skills, with a love for problem solving and troubleshooting Confidence in deploying production applications using AWS, Google Cloud or similar Enthusiasm for CI/CD and the benefits you've seen when using this in previous projects A strong understanding of databases and when to use relational and non-relational A strong understanding of the fundamentals - data structures, algorithms, OO design and system architecture Unix/Linux experience Communication skills, happy to collaborate and talk with the rest of the team Solid understanding of Agile development methods

Perks & Benefits

Bonus, shares, free gym, pension, subsidised canteen, and nice people!

Interview Process

Mixture of F2F interviews and coding tests.

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Job Description

At Monzo we’re aiming to build the [best current account in the world](https://monzo.com/). We are always keen to hear from capable, creative engineers who want to help us accomplish that goal 🚀

Please note: we get lots of successful applications for Backend Engineer, so there could be a delay in scheduling interviews from the initial stage right up until the final interviews. If you're invited to interview and you have any immediate time pressures, please let us know, as we'll always do our best to speed things up for you 😊

Our backend engineers have a variety of different backgrounds

We have several non-graduates; only some of us studied Computer Science; one of the team has a degree in Marketing; some of us have worked in huge companies; some have only ever worked in startups; others are former consultants. As long as you enjoy learning new things, we’d love to talk to you.

We encourage an open and transparent working environment

You can get involved in any aspect of the business you are interested in and,following Stripe’s example, all emails in the company are visible in an email archive. We regularly run hackathons in which people build things on our third party API and we contribute to open source software as much as possible. We’ve also made ourproduct roadmap public and give sneak peeks of features in our community forum. Our blog is a good place to learn even more about what we do!

Monzo works in project-based sprints in small, interdisciplinary teams

We’re still a relatively small company, with around 60 engineers out of roughly 300 people in total - and we have big ambitions. There are many interesting challenges ahead, and we're happy for people to move between teams or to specialise, whatever you prefer. As an engineer here you'd be able to work directly with anyone across the company, and we run regular knowledge-sharing sessions so you’ll learn heaps about everything from how banks work to effective communication.

At Monzo you will get to work with a lot of exciting new technology.

We rely heavily on the following tools and technologies:

• Go to write our application code (there’s an excellent interactive Go tutorial here)

• Cassandra for most persistent data storage

• Kafka for our asynchronous message queue

• Linkerd/Finagle for RPC

• Kubernetes and Docker to schedule and run our services (Oliver,our Head of Engineering, gave a great talk at KubeCon on how we use these technologies)

• AWS for most of our infrastructure

• React for internal web dashboards

• We also have two physical datacenter sites with actual cables to connect to various third parties

You should apply if:

• the work we’re doing sounds exciting!

• you want to be involved in building a product that you (andeveryone you know) use every day

• you’re keen to learn more about new technologies and the arcane inner workings of the financial industry

• you’re comfortable working in a team that deals with ambiguity

• you’re interested in distributed systems and writing resilient software

• you have some experience with strongly-typed languages (Go,Java, C, Scala etc.).

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Job Description

About Cuvva

Cuvva is making car insurance radically better.

We’re creating truly flexible products that meet people’s real needs. Using lightning-fast technology to unlock better experiences and fairer prices for our customers, Cuvva is building the future of insurance every day.

Cuvva was the first UK company to sell hourly insurance through an app. Since then we’ve sold over 3 million policies and supported over 450,000 customers. We’re a world-class team of over 100 people, passionate about solving our customers’ problems. Join us.

Why work for Cuvva?

We don’t cut corners. We strive to do the right thing, even when that makes life more difficult for us.

We are customer centric and everyone in every area of the business–including our CEO & Founder Freddy–is expected to spend a few hours a month on customer support. This is so we all fully understand customer needs and how the app works! Here’s a blog post on our ‘Cops Club’.

We’ve nurtured an awesome team culture. We always speak up when we have an idea - but also know when to let go and get behind something else. And we’re comfortable giving and receiving honest feedback, and trying new ways of doing things.

We’re building a diverse team from different backgrounds, outlooks and experiences. Everyone is given a fair chance of getting a role at Cuvva. Even if you secretly don’t love insurance, trust us, you’ll love what we’re building.

About the role

You’ll work in one of our cross-functional product squads, helping the team achieve their goals - whether that’s building a new service in our backend platform, creating a new version of an existing API to deliver a new feature, or creating a CLI tool to automate something.

We work in a highly collaborative fashion, and maintain an open and transparent work environment. Engineers at Cuvva don’t just write code or implement against a spec. You’ll be expected and encouraged to take part in the entire product development process from problem-discovery to solution design, to implementation and rollout.

Each product squad autonomously owns an area of the Cuvva product. Squads are made up of engineers from multiple disciplines (backend, web, iOS, Android), product and content designers, and a product manager. Engineers at Cuvva come from a variety of backgrounds and have different but complementary skill sets. We don’t require a computer science degree - many of us are self-taught.

Our approach

We value consistently-written, simple, resilient systems. Our backend is made up of many standalone services with a JSON-based RPC interface. We aim to create a client-agnostic API design suitable for a variety of clients (mobile apps, website, internal tooling, 3rd parties). Because we’re a regulated financial company, we have interesting and rigorous requirements to meet with regards to data security and auditability.

Most systems are written in Go (some older ones are Javascript), backed by either Postgres or Mongo, and are hosted in a container environment. We heavily lean on AWS tooling such as S3, Lambda, and SQS, and we occasionally build integrations with more “legacy” 3rd party systems in the insurance industry.

You can find out more about our backend systems here: Our libraries and Go tooling is open sourced on GitHub “Showing off our K-sortable IDs” our blog

“How we analyse and test new pricing models” our blog

“How we test and roll out new product features” our blog

You'll do great here if you:

• Have genuine interest and curiosity about the Cuvva product, and consumer insurance in general

• Enjoy working as a team to solve problems collaboratively

• Have around 5 years of experience building rock-solid backend systems and APIs

• Have a track record of shipping great quality code with real customer impact

• Be comfortable and productive working with Go

• We don’t require commercial Go experience but you would be expected to have a basic understanding and a willingness to learn

• Having a background with at least one statically-typed language is a good sign

• Know your way around the major AWS services (or similar cloud services), and have an enthusiasm for cloud services in general

• Be comfortable working with containers (e.g. Docker, K8S, ECR, container based CI platforms)

Perks & Benefits

Benefits

As well as a competitive salary (£75-90k, dependent on experience) and equity based remuneration, benefits of working at Cuvva include:

• Brand new MacBook 💻

• 33 days holiday (inc public holidays🌞)

• Flexible working

• Wellbeing, personal development and work from home budgets

• Yearly increases to budgets and holiday allowances

• Generous parental leave policy

• One-to-one sessions with our Sanctus mental health coaches, giving you a safe space to talk 🧠

• Access to Lifeworks - our mental health tool and employee assistance programme

• Mates rates on your car insurance

• Salary sacrifice schemes for electric bike hire and electric car lease

• Cycle to work scheme 🚲

• Season ticket loans 🚂

• A volunteer day

• Office library full of great books 📚

• Great coffee machine in the office ☕️

• Fully stocked beer and soft drink fridge (we do team drinks every Thursday)

• Monthly team outings or remote events (so far we’ve done things like karaoke, go-karting, bowling and comedy nights) 🎤

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Job Description

Zego is reimagining insurance for modern businesses and the self-employed. We are building a 21st century insurance platform with which to drive innovation in the industry. In 2018 we were listed as one of the top 3 disruptors to watch on the Sunday Times Fast Track 100, we were also listed in Wired magazine as one of the 5 hottest startups in London. We’re crafting the smartest insurance company in the world and we want you on board.

We are looking for a Systems Engineer to join our team in London, where you will be part of the TechOps squad whose mission is to maintain and secure the systems and infrastructure on which our product operates. You will act as a systems and operations authority and work with other software engineers to ensure products will be secure, reliable, scalable and efficient in every aspect (performance, maintenance, cost).

Systems Engineers at Zego are ultimately responsible for the well being of the product from the moment it leaves developers’ workstation. They understand the importance of efficient development processes and actively work on improving those at Zego.

We are looking for candidates who have strong analytical and troubleshooting skills,

an architect and operations minded engineer who embraces devops methodologies to improve the product and exhibit a willingness to learn and apply new technology.

Your experience should include (preferred):

• Coding and scripting (Bash, Python, Golang)
• Configuring Infrastructure as Code (Terraform)
• Cloud services (AWS)
• Container management and orchestration (Docker, Kubernetes)

We offer a number of benefits to all our employees, including:

• Experience of working with founders from VC backed fast-growing startups
• A great office located in Shoreditch right by Old Street Roundabout
• High-end equipment of your choice
• A competitive compensation package including options
• A company sponsored mental health program
• Free breakfast in the office every Friday

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, or disability status.

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Job Description

Software Engineers

GRAIL is a healthcare company whose mission is to detect cancer early, when it can be cured. GRAIL is focused on alleviating the global burden of cancer by developing pioneering technology to detect and identify multiple deadly cancer types early. The company is using the power of next-generation sequencing, population-scale clinical studies, and state-of-the-art computer science and data science to enhance the scientific understanding of cancer biology, and to develop its multi-cancer early detection blood test. GRAIL is headquartered in Menlo Park, CA with locations in Washington, D.C., North Carolina, and the United Kingdom. It is supported by leading global investors and pharmaceutical, technology, and healthcare companies. For more information, please visit www.grail.com.

GRAIL UK is looking for experienced software engineers, senior software engineers, and staff software engineers to join the team in London. The engineering team is responsible for supporting the collaborative efforts between GRAIL and its research partners (NHS/UCL). You will work as part of a cross-functional team to design, develop and run systems that power the safe execution of clinical workflows and the collection of relevant data. Your work will support cancer research and the development of GRAILs multi-cancer early detection blood test.

You Will:

• Use your experience developing front-end applications and backend systems to build software that supports cancer research
• Work as part of a cross-functional team to overcome real-world problems that sometimes can’t be solved with software alone.
• Build and operate the infrastructure and tooling that runs the systems and powers the team.
• Work with GRAIL engineers in the United States on core platforms.
• Take responsibility for the systems managed by the team and support the operational concerns of our research partners.

Your Background Includes:

• You have a Bachelor's or Master's degree in Computer Science, Mathematics, Electrical Engineering, Bioinformatics or similar technical field.
• You have relevant work experience designing, developing, testing and maintaining software.
• You have worked with cloud platforms such as AWS, GCP, or Microsoft Azure.
• You are experienced in general-purpose programming languages such as Go, Python, Java, Javascript, etc, but understand that ultimately these are tools to solve problems.
• You are passionate about software engineering, as well as software engineering teams.
• You have excellent logical reasoning and analytical skills, with a preference for simple solutions.
• You are a strong written and verbal communicator and can adapt your communication style and the level of detail to your audience.

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Job Description

Software Engineer (Go)

Technology

London NW9 5AB, UK

Utility Warehouse is an award winning multi-utility provider, our core offering is simple: all your utilities, one monthly bill. Our network of 45,000 partners add the human touch to our delivery, help us get the word out to our existing members and bring in new ones. We consistently win the Which? awards for our service and don’t believe “good enough” exists when it comes to customer satisfaction.

We’ve got the culture and focus of the earliest stage startups with the resources and strength of an extremely profitable and loved brand. Our eyes are on meteoric growth over the next few years. All the pieces to make it happen are here, we need you to help us put them together.

Our philosophy revolves around getting things done and we only hire people we can trust to do that. Bring your A game and you’ll always get ours. If you’re the type that can deliver you’ll be rewarded with small, fully autonomous teams that have real ownership of their products using a cutting edge stack in a best-idea-wins meritocracy. If that doesn’t quite cut it, we can throw in flexible and remote working (no, really) with top of market compensation.

As for the tech we use: the best tool is the right tool. Go and React are our bread and butter but nothing is stopping you from reaching for something else if it does it better. We deploy to Kubernetes across both AWS and GCP with some help from Terraform. We run a mature event sourced microservice architecture using Kafka, NATS and GRPC. As much as is possible we code in the open on GitHub. If it can be open- sourced, it shall. If we can submit a PR instead of building our own, we will. Getting your hands dirty from the top to the bottom of the stack isn’t a promise to be broken, it’s a requirement. If you’re only good at parts of it that’s okay, we’ll quickly make you good at all of it.

Squads currently hiring Software Engineers:

The Partner Experience squad is responsible for providing digital tools that help partners be more successful. The primary goal of the partner experience team is to increase the size of UW’s customer base by creating a well informed and highly motivated network. Using gamification techniques, the team delivers innovate tools covering and supporting the entire partner lifecycle from recruitment over on-boarding to enduring self-service business management to provoke continuous activity throughout the network.

The Energy squad is responsible for providing the systems that allow UW to integrate with the energy industry and function as a large Energy supplier; the frontend systems that allow our operational staff to manage the UW energy supply base and the systems to provide information and accurate energy billing to our customers. The team’s primary goals are to improve the operational efficiency of the operations and customer services teams by providing innovative and simple to use software solutions; ensure business continuity as a supplier by providing robust industry integration and regulatory compliant systems and build the platforms to allow UW to become an innovator for customer offerings in the Energy supply market.

The Insurance squad is responsible for the delivery of enhanced P&L through the successful growth of our new insurance business unit. It’s anticipated this 6th core service might also help improve customer retention. The team is responsible for the delivery of a platform for the insurance suite of services and products which will grow over time. The team owns the lifecycles of the insurance policies and manages any industry interactions, API integrations that are required to orchestrate this. This team is also responsible for enhancing customer data from customers answers during quotes process.

Careers page here: https://careers.utilitywarehouse.co.uk/

Github here: https://github.com/utilitywarehouse

Perks & Benefits

Share options, energy discounts

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Job Description

Third Light is hiring a Back End Engineer —a Go developer or someone who has been mixing Go into their work or personal projects and is readynow looking for a primarily Go-based role.

You may work remotely - joining a team that already includes remote workers - or from our Cambridge office.

This is about delivering sophisticated new product features for release to our state-of-the-art software service that helps people manage and share their digital media files easily – features that deliver immediate positive impact for our global user base.

We're a small and expanding software development team, building an enterprise application with a highly-polished UI, using the very best and latest techniques. We employ an iterative, design-led process where everyone on the team gets a say.

Our product is a single-page JavaScript application loosely-coupled to a back end that's built on Go microservices and legacy PHP. We use microservices for all new features and Go is our chosen language to do this. In parallel we are migrating our older codebase to Go microservices.

We're agile and manage our work using a gentle Kanban process with daily stand-ups and we encourage a lightweight, productive approach to development. We can allocate projects that build upon your current strengths, and we offer a personal development approach that you may help shape.

Your opinion and expertise will be valued from day one.

Upcoming projects within the team

• Integrate with social media to provide a publishing platform that can also gather user-generated content
• Provide AI and machine vision to detect duplicate files and provide auto-tagging and OCR
• Create a metrics & reporting system to track usage of features, document downloads and image views
• Implement a full SFTP client & server interface to integrate with SLR Cameras and legacy systems
• Extend workflow and automation microservices to create intuitive automated channel publishing tools
• Automate orchestration of microservices in our product e.g. exploring Kubernetes
• < your idea here! >

We're looking for

• Someone who's positive about Go and wishes to embrace this exciting language
• Proven back-end coding skills using either PHP or Go and for Linux
• Demonstrable interest in Go—from industry, self directed learning or personal projects
• An appreciation for continuous unit and integration testing
• Skills in designing, building, testing and maintaining web services, ideally microservices
• Ability to work with a large, live, production codebase
• Familiarity with relational databases e.g. MySQL or PostgreSQL
• Familiarity with CI/CD, preferably within a Git-based workflow
• Optionally, familiarity with porting an OO monolith to a microservice architecture
• Someone considering mid level back-end jobs such as: Go Developer | Go Microservices Developer | Golang Developer| Node.js Developer | PHP Developer | Python Developer | Back End Engineer | Back End Developer etc.

You may bring—or like to gain—skills exploring any of the following

• Containers, containers as services and automated container deployment
• Large-scale storage, manipulation and streaming of multimedia
• Machine intelligence, visual recognition or similar numerical computation
• Production experience in systems configuration, monitoring, logging, and metrics gathering

Our current technology mix - we'll help you get up to speed

Go (aka Golang) | JavaScript | PHP | NGINX | MySQL | SockJS | RabbitMQ | Debian | macOS | VMware | Git | Jira | Bitbucket | Bamboo | Slack | Basecamp

Salary and benefits

• c.£50,000— negotiable —we're keeping an open mind
• Contributory pension scheme
• Personal development plan that you can shape for related training/certifications/conferences
• 25 days holiday + public holidays | flexible hours | bicycle and free car parking | on site cafe | good coffee and tea | fresh fruit | choice of high end workstation | an adorable Beagle to brighten the office

Working remotely: The Third Light development team embraced remote working a few years ago and now has workers in more than one country. We strive to provide a friendly, fun, supportive remote-working culture and we refine our processes to make remoting easier. We will welcome your ideas and contributions. We provide computing equipment and cover reasonable costs incurred from running a home office.

Normally, as a new starter, you'd come to the office for a few weeks to get to know each other. Due to Coronavirus you will no-doubt join us remotely, at least temporarily, which will bring interesting challenges in how best to introduce you to, and integrate you into, the development team—how to train you, how to help familiarise yourself with our systems and ways of working. We see this as an interesting challenge so we’re working it out at the moment. We're planning a fully-remote ‘onboarding’ process with team meetups, one-to-one sessions and pair programming as well as online social gatherings for you when you join.

If you'd prefer to primarily work from our office this option will still be available to you after lockdown.

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Job Description

Head of Engineering

We are seeking a hands-on Head of Engineering for our well funded e-commerce fulfillment startup

At Bezos, our vision is to Deliver Happiness: For our team, for the end consumers, for our e-commerce sellers as well as our logistics partners.

Exciting times in e-commerce: E-commerce sales in Europe is projected to be £406 billion by 2023, expected to grow 8% per year between 2018-2023. The growth is driven by consumers that increasingly buy more online as well as the emergence of small and medium e-commerce sellers, which have grown at 18% and 28% per year, respectively between 2009-2017. There are 200,000 small and medium e-commerce sellers in the UK alone, selling their products through multiple channels, including marketplaces such as Amazon and eBay, their own websites, and on social media like Facebook and Instagram. Today, these small and medium sellers are ignored by the large incumbent logistics service providers and we are on a mission to change that.

Building a next generation Fulfillment-as-a-Service platform: With this explosive growth in e-commerce, the demand for e-commerce fulfilment and delivery is booming. Bezos is a next generation Fulfillment-as-a-Service (FaaS) platform, that allows small and medium e-commerce sellers to outsource their storage, fulfilment, delivery, and returns and focus on what is more important: growing their businesses. Bezos’ operational model is based on partnering with certified logistics suppliers that will execute the different services on our behalf. We believe there is a massive market opportunity to serve these currently unattended and fast growing small and medium e-commerce sellers. We believe that the e-commerce logistics landscape will give place to significant disruption opportunities, and we are planning on taking a leading role to achieve them.

Two founders with proven track records: The founding team consists of Diego Lijtmaer and Vernon Tjon-Soei-Len, who are two seasoned technology executives with experience in e-commerce, the gig economy and last mile delivery industry. Diego built the business development and logistics functions at Just Eat Plc (food delivery, FTSE 100), founded and ran a hospitality business Bacanal and worked in investment banking at UBS (LinkedIn profile here). Vernon was the Director of Amazon Flex UK (part of Amazon’s Last Mile Product & Technology team) and part of the Senior Leadership Team of Amazon Logistics UK, and prior to that worked at Zipcar, Bain & Company and JPMorgan (LinkedIn profile here).

We are looking for an exceptional technology leader: Someone that gets excited about the adventure of a startup and wants to build a world class billion dollar business. Someone that enjoys transforming industries, that enjoys changing the way businesses and consumers think about delivering and receiving e-commerce orders. Someone that is hands on, solves problems, and gets their hands dirty in the execution. Someone that has a demonstrated track record of building amazing technology and building and leading high performance tech teams.

Key responsibilities:

• Build Bezos’ Fulfillment-as-a-Service platform
• Lead technology strategy, develop the technical solution, the architecture, the integration with other processes and systems and develop the Artificial Intelligence engine that manages our processes
• Own the engineering product roadmap, prioritising development efforts in line with company objectives
• Build a world class tech team: Hire, onboard and develop the best talent and cultivate an inspiring team culture with us
• Collaborate with sellers, logistics providers and internal teams to fix bugs and improve our products
• Part of the executive team, making sure the company’s technology is aligned with the business objectives

Must have requirements:

• 5 years+ experience of software and technology development, ideally 2 years+ in a startup
• Experience in developing technology for e-commerce, logistics, last mile or supply chain
• Experience in back-end integrations, APIs and microservices, cloud architecture fundamentals (AWS or Google Cloud), databases
• A charismatic technology leader: Experience in hiring, managing and leading engineering teams
• A strategic thinker and a doer: the ability to build bridges between strategy and execution and balance short term and long term objectives
• A product-focused engineer that is customer-centric
• Ability to communicate complex technology solutions to different stakeholders
• Passion for delivering results, but also learning from failure
• Analytical and data-driven: support decisions with hard facts, data and numbers
• Experience and ability to lead agile product engineering in a fast growing start up
• Knowledge of existing and emerging technologies: Evaluate multiple technologies and identify those that are the best fit for the business
• A positive outlook, boundless energy and thrive on collaboration in agile and startup environments
• Good vibes: Fostering team spirit; someone all developers look up to and aspire to work with

Preferred requirements (nice to have):

• Understanding of e-commerce platforms (Marketplaces, Shopify, WooCommerce, Amazon), logistics systems such as warehouse and inventory management systems
• Experience with managing distributed/remote software developers
• Experience with node.js or Golang (Go)
• Machine Learning and Artificial Intelligence
• Degree in Computer Science, Software Engineering, Electrical Engineering or a related field

We strive to create an exciting and amazing opportunities where our team members love to work and have fun with each other. We offer a competitive compensation package which includes an attractive base salary and stock options.

This is a super exciting role and a critical hire for our team, as you will join our startup as one of the very first employees.

Contact us:

Email: joinus [at] bezos [dot] ai

Website: www.bezos.ai

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Job Description

About the role

Kalido exists to help create a world where people and organizations can maximize potential through a global community of valued connections and opportunities. We passionately problem solve new ways to do this, no matter how difficult the challenge. Everyone on our team is a true product owner, responsible for ensuring excellence. We move fast (but thoughtfully), and are looking for a talented and impact-oriented Backend Developer to join us. In this role, you will be responsible for: shaping architectural decisions and technology choices; building the infrastructure at the very heart of Kalido; and ensuring that it is secure, performant, easily deployable, scalable, cost-effective, and fit for purpose. In doing so, you will shape the company, and our collective ability to impact the world. As part of a startup, your responsibilities will vary, but on a day to day basis, you will:

Build Kalido’s back end

• Collaborate with management, design, and platform-specific development teams to define, design, and build new functionality as required
• Design, build and refactor our architecture as we evolve, with maintainability and efficient abstraction in mind
• Verify, test and deploy new builds
• Inspire and lead other developers, ensuring their growth
• Mentor other developers to help them grow, and to ensure our design and development efforts and ethos remain aligned Maintain Kalido’s back end
• Troubleshoot, debug and enhance the existing codebase and DevOps deployments, driving towards a continuously more performant, higher quality, and responsive experience
• Monitor and analyse system performance, and own our uptime
• Refine and extend our administrative and performance monitoring tools
• Optimize our use of processing power, memory, storage, bandwidth, and third-party API calls in our backend infrastructure Plan for the future
• Propose, evaluate, select, and adopt new technologies when needed
• Ensure that you are on top of changes to critical parts of our infrastructure (e.g. AWS, GRPC, Postgres, Redis, Envoy, RabbitMQ, etc.) so that we can adopt newer versions without affecting performance or functionality
• Shape our API and third party integration strategy
• Proactively suggest changes to balance cost, scale, security, performance, deployability and utility
• Load test regularly, and plan for the next 1-2 orders of scale

What we are looking for

We value inclusion, impact, transparency, generosity, and teamwork. You can read more about our values and what they mean to us here: https://www.kalido.me/our-mission/. We are looking for someone who: shares our philosophy; is capable and excited about the role; strives for personal and professional excellence; and wants to make a meaningful difference through their work.

This opportunity is for you if you are:

• Experienced (have 5+ years experience of designing and building commercial back end systems), with a strong analytical mind, and an ethical approach
• Comfortable with the fundamentals of computer science and information architecture, including knowledge of data structures, algorithms, their complexity, their tradeoffs, and their implementation (e.g. trees, graphs, sorting algorithms, and their various Big O implications)
• Someone who has led or been part of small teams of developers through the entire software development lifecycle, in maintaining and continually improving a lean software development process, and in delivering high quality code reviews, with a toolbelt of best practices for professional software development
• Excited about thoughtfully building scalable platforms
• Experienced with cloud infrastructure providers (Google and AWS)
• Experienced with developing on and for the Linux operating system
• Knowledgeable about systems architecture choices and performance trade-offs, database design and extensibility
• Capable of writing complex and performant SQL queries for Oracle and Postgresql
• Comfortable developing and maintaining systems written in Golang, Javascript and Python, using unit testing, and managing version-controlled development using continuous integration and devops tools (e.g. Travis). Working knowledge of a wide variety of languages and frameworks is preferred.

What we offer

Working at Kalido means working with a solid startup that has been around since 2015. We balance our drive for delivery with flexible working arrangements, generous maternity and paternity leave, weekly team lunches, and the chance to truly shape the culture you work in. You will never run out of fascinating problems to solve and will have incredible opportunities to work with a diverse team that cares about your growth.

About Kalido

By helping everyone to easily create stronger communities and more meaningful real-world connections, Kalido’s goal is to level the playing field of opportunity. We are redefining the way people connect in their neighbourhoods, inside companies, at events, in schools, in alumni groups, in co-working spaces, and doing so throughout their lives. In August 2019 we closed a 5m USD Series A, and are backed by HCL, a global IT player with a 22 bn USD market cap, and co-founded by the #3 core team member and early investor at Alibaba. If you’re excited about empowering individuals, helping organisations to work better together, and creating a platform to power the future of work, this is the place to do it. To learn more, visit https://www.kalido.me.

How to apply

If being a Lead Software Developer at Kalido sounds like something that leverages your skills and ignites your passion, we want to get to know you. Drop us an email with your CV (including a link to your portfolio and relevant repositories) and a cover letter, addressed to Martyna at careers@kalido.me.

In order to be a great workplace and build a great product, we believe we must strive to truly represent and support this diverse world. We welcome applications from all suitably qualified people regardless of age, race, gender identity, sexual orientation, parental status, marital status, disability, religion, or belief.

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Job Description

Software Engineer- Golang

The big question: why on earth should a Tech professional like you work for a 150-year-old retail chain? Because we’re on a journey. Changing the way we operate. Learning to think nimble. Giving our teams the time and freedom they need to push boundaries. To create amazing systems and technologies. To give our colleagues and our customers even more incredible experiences.

There are thousands of experts to talk to and learn from. We’ve got data from billions of transactions for our teams to play with. Things get built here. They get made here. They hit customers and colleagues quickly. Welcome to the home of Sainsbury's Tech.

More about the role:

• Write well-structured, beautiful, well-tested code
• Carry out Test Driven Development and Continuous Integration effectively
• Assist in architecting systems and applications
• Design smart ways of storing and displaying complex data
• Be an active contributing part of an agile development team

What we’re looking for:

• Good knowledge of Golang development and open to learning the other languages (Don't worry we will help you learn)
• Experience of building and/or working with RESTful services
• Understanding of relational and non-relational databases and when to use them
• Interest in native app development, such as Android (Kotlin/Java) or iOS (Swift)
• Extensive experience of tools such as JIRA, Confluence and Git
• (Bonus) Production experience of payments systems and/or PCI compliance

In return you’ll get:

• Colleague discount across the multi-brands – Sainsbury’s, Argos and Habitat
• Holiday allowance
• Bonus scheme
• Pension plan
• Special offers on gym memberships, restaurants, holidays, retail vouchers and more

Flexible working and job share conversations are encouraged. Across our multi-brands, we’re proud to be an equal opportunities employer that champions a diverse and inclusive culture.

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