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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
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:
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.
Senior Backend Developer - London
About Coda
Coda is a technology company with a mission to build the best mobile games for each individual user with help of latest design trends and technology available for personalized experiences. Experimentation, creativity, and data are at the core of what we do.
We are a well-funded seed stage company founded by mobile industry veterans who have worked together for the past 6 years and exited their previous company. The company is based in London, and we have team members in Berlin and Istanbul.
About our team
We are a group of entrepreneurs who came together to build great games. After having exited the previous company that we built together and sold, our key goal is to make an impact in an area we are all passionate about and have fun.
We started and built the biggest mobile ad network in the Middle East and Southern Europe region and sold it to AdColony, one of the biggest, the inventors of rewarded video ads in mobile games. Our expertise is in the commercialization of games at scale, enabled by complex technology platforms.
Our goal is to bring together the best talent that is fit to go after our mission, regardless of background and location. We believe in opportunity equality and in the ability of diverse thinking teams to make a world-changing impact. We are looking to join up with other risk takers to form the foundation of our team.
Job Description
We are looking for experienced backend engineers to build the Coda platform from scratch. You will be one of the pioneer engineers who contribute to all parts and elements of the data platform we are building, from infrastructure to architecture to development.
You will work in a team consisting of experienced backend, data and machine learning engineers, directly reporting to CTO, for designing and building an integrated platform with numerous components and services, the primary intention being recording, querying and processing data. Agility, speed, robustness, security and availability are the core properties of the system we are aiming for. Although there are particular technologies we would like you to be experienced with, the main acceptance criteria for this role are system thinking ability, perfect problem solving skills and desire for constant positive contribution to Coda’s success.
Responsibilities
Qualifications
Why join Coda?
*You’ll get to benefit from being part of a transparent and early stage team where you can get exposure to various aspects of a company whilst deploying your own expertise with a clear product vision and the funding to survive the chasm * You will work on some of the hardest technical and operational challenges in the industry - explore and break your own limits and help us break our own * Yes it’s mission impossible and yes we know our ambitions are slightly over the top but we bring experience and resources of a proven team that has achieved a wild dream before and is hungry for more * You will work with a diverse team that has learning, having fun and achieving long term goals as top priorities
We Offer
Popsa is a design-led, engineering focussed company that uses machine learning to help people rediscover their best experiences and turn them into beautiful printed products.
We grew about 500% in 2018 and we’re now shipping over half a million photos a week to 50 countries around the world.
This position is a great opportunity for experienced software engineers with a background in the likes of Go, Python, PHP or Node.js looking to apply their existing skillset and learn and use Go in a production environment.
- Most of our backend code is written in Go with some Python and Node.js used where they're the right tool for the job.
- We’re entirely hosted on AWS and make extensive use of many of their services (over 30 at last count!)
- 15+ containerised microservices running in ECS (we’re open to exploring moving to Kubernetes in the future if appropriate). Our services talk protocol buffers over HTTP and are discovered with Consul.
- Dozens of event driven serverless functions running on Lambda, some running as APIs behind API Gateway and others as Step Functions
- Dockerised batch compute workflows
- NoSQL databases (predominantly DynamoDB and ElasticSearch)
- Serverless analytics data lake backed by S3 using Athena (PrestoDB)
- Terraform and Serverless Framework to manage our infrastructure as code
Read more about our platform technology stack here.
Some other blog posts you might find interesting too:
This is a central role and the work you’ll be doing will touch every aspect of the business. The Popsa platform doesn’t just power our mobile apps, but numerous internal business applications and custom integrations with our industrial print partners (some of this runs on a fleet of Raspberry PIs!), as well as a burgeoning data platform which will feed further into our growth strategies.
Our Head of Engineering Alex likes to describe our platform as an iceberg - the bit customers encounter is just the tip above the water - underneath is a dynamic event-driven structure that enables us to be a lean business that can iterate and experiment rapidly.
You will gain a unique perspective of a high growth business and have an opportunity to shape the landscape of our backend APIs, data pipelines and strategies, infrastructure automation and many more engineering goals.
Desired skill set:
Bonus:
Luno is a leading global cryptocurrency company operating across more than 40 countries and with offices in London, Singapore and Cape Town. We’re a profitable, growing company with over 2 million customers, and are backed by some of the top tech investors in the world.
Our products and services make it safe and easy for people and businesses to buy, store and learn about cryptocurrencies like Bitcoin and Ethereum. Our vision is to upgrade the world to a better financial system.
To the moon! 🚀
We have multiple openings for senior software engineers in our brand new London office. These are in a range of teams including fraud, platform, payments, shield, onboarding, and crypto-security. With over 40 engineers based in our Cape Town office, you’ll be joining a group of highly motivated experienced developers who you’ll work collaboratively with across our currency exchange, fraud, payments and compliance pods.
As a small company operating on a global scale, you’ll immediately see how your contributions directly impact both our internal users and client experience. We make decisions based on facts, not fiction. Many of the problems we’re solving result in genuinely trail blazing solutions which can’t be found on StackOverflow; so we’re looking for an experienced engineer that thrives on working in a complex domain.
We use Go, microservices architecture (gRPC) and AWS, but if you come from a Java, Python or other relevant language we’ll help you get up to speed with our comprehensive engineering onboarding program.
We succeed as a team. Our teams are split into pods, each of which focuses on a specific aspect of our product. Any engineer is able to deploy to production, and we deploy multiple times each day. Your pod will include a product owner, back end engineers, Android and iOS developers, and web developers who each bring a unique perspective to the problem you’re all solving.
This is a fantastic opportunity to learn more about cryptocurrencies, blockchain, emerging and developed markets, and scaling a global business. We provide great benefits and the autonomy to conceive and execute your own projects. Best of all you get to work with a diverse team of talented, ambitious and friendly people on something that will truly revolutionise the world.
As a “Newnaut” we’ll fly you to Cape Town to meet the wider team, and go through our comprehensive onboarding program. We expect you to have a passion for blockchain and cryptocurrencies but we understand that this is a new industry so we’ll help you learn about how the blockchain works and understand all aspects of our business.
Building a new financial system for the world requires a special breed of people working together with unusual skill, focus and determination. “Moontality” represents the ten core principles that underpin everything we do, setting us apart from the rest.
As an experienced lead-level or senior engineer, you’ll have:
Don’t be put off if you don’t tick all of the boxes – they’re a guide based on what we’d love to see but we appreciate that great software engineers have diverse backgrounds.
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You have:
Solid Kubernetes experience in a professional environment â—Ź You have experience scaling Kubernetes (including auto-scaling) â—Ź You have deployed a Kubernetes deployment on AWS â—Ź You've implemented metrics, logging and tracing â—Ź You know how to get under the hood to diagnose issues when things go wrong
Good knowledge of AWS (or GCE) â—Ź EC2 & VPCs â—Ź S3 â—Ź DynamoDB â—Ź RDS (Postgres/Aurora) â—Ź Cloudfront â—Ź SQS â—Ź Route 53
Worked with some of the following technologies â—Ź Golang â—Ź Ruby/Python â—Ź Bash script â—Ź Postgres
Knowledge of fundamentals of GIS â—Ź You can use PostGIS to run basic queries
Your responsibilities: â—Ź As a fast growing company, scaling our systems as we grow will be a core part of your job. â—Ź Building out our metrics, logging and tracing infrastructure to give us full insight into our stack. â—Ź Looking after our AWS & Heroku accounts & infrastructure. â—Ź Managing our external services (CDNs, Databases etc) â—Ź Ensuring security standards throughout our infrastructure. â—Ź Improving the performance and reliability of our tile and data stacks. â—Ź Maintaining and improving our user databases. â—Ź Iterating on our PostGIS adventure databases. â—Ź Mentoring our more junior developers. â—Ź Building on our current engineering processes such as code reviews, pull requests etc. â—Ź Helping us continue to build our engineering culture.
Your profile: â—Ź You're an engineer that can see the bigger picture, you understand why performance and quality is important to our end users and why automated tests and documentation are important to our wider engineering team. â—Ź You care deeply about the quality of the work you produce. â—Ź You can distill complex requirements into a non-complex solution. â—Ź You have excellent communication skills and can explain complicated problems in an easy to understand way. â—Ź You are dynamic and can effortlessly transition between the various facets of the company as required. â—Ź You are a self-starter and comfortable taking the lead on certain aspects of your role. â—Ź You are comfortable mentoring other members of the engineering team.
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The Vision
Someone who understands that “what you build” is just as important as “how you build it”. Someone who wants to do more than just code. We want dreamers, creators, someone who likes to discuss ideas and push the boundaries of technology.
Who we are
Yoti is a global company whose aim is to be the world’s trusted identity system. We have seriously ambitious goals to become the world's most secure and data sensitive company. Our passionate team works to improve the way people share their personal information. Innovative products like the Yoti mobile app help people to prove who they are online and in person.
We are creating a new concept. Something that has never been done before, Why not be part of something truly innovative and creative. Yoti is here to fight against fraud and build a secure identity system for individuals and businesses. We are a company who are pushing the boundaries of technology for a safer world.
Yoti is changing the way people prove their identity. Our products are built from the ground up to respect customers' privacy and put you in control. We will never sell on customer data - we couldn’t even if we wanted to. Designing products that are simple to use and easy to understand in the world of privacy, security and personal data is a tough challenge.
More about this Team and Project
The SDK team produces the open source tools that allow developers to integrate with the Yoti technology. We are the ones who really define the Yoti integration experience and we support 7 popular languages (Node, Java, PHP, Python, Ruby, C# and Go) plus 4 CMS plugins (Drupal 7, Drupal 8, Wordpress and Joomla).
As a Polyglot Developer, you will participate to the technical design and implementation of the new SDK features and you will make sure that our examples projects are always working and easy to understand.
You will also work closely with designers and product managers to make sure that our documentation is understandable and up to date. You will be able to have an impact from day one, but we also care about you and invest in your learning.
Your experience
It would be great if you have some experience in the following:
We don’t want people to stagnate, we don’t want people to just “get by”, we offer a magnitude of tools so you continue to learn, challenge yourself, evolve as a techie and keep you constantly engaged. We even have a Yoti Labs for the people who like to play with new tools, experiment and want to build something out of this world!
Yoti in the news
We are based in Central London, by Bank, 5 minutes walk away from London Bridge and Liverpool Street Stations. We are surrounded by a bunch of restaurants, enough to try a new lunch menu every day for a good few months!
This is a fantastic opportunity to get involved with a company doing crazy-complex projects, in a fun and exciting environment, where creativity is rewarded! You will also be working on something which millions of people could well be using daily! This kind of opportunity does not come round often so what are you waiting for, apply today and build something amazing tomorrow!
Pre-employment checks
If your application is successful please be aware that as part of our pre-employment checks:
Talent Pool
If we consider that you might be suitable for other roles in the future, we will keep your details so we can contact you about these other roles. If you do not want us to keep your details for this purpose, please e-mail HR@yoti.com or let us know at any stage of the recruitment process. For more information please read our applicant privacy notice
Resin.io provides a software platform that helps developers build, deploy and manage code on connected devices. We brought Docker to embedded GNU/Linux devices in 2013 and have been building our IoT toolkit ever since. We also maintain a variety of successful open source projects including Etcher, Balena, and resinOS, and made contributions to high-exposure projects such as Docker, Electron, and AppImage.
Our technology is open, standards-based, and proven in production across a wide range of scenarios from drones, 3D printers, point-of-sale devices, tidal turbines, skyscrapers and more. Our investors include DFJ, Aspect Ventures, GE, and Ericsson.
Resin is a highly distributed, remote-friendly company with a pretty much flat hierarchy. Our organization is adaptive, getting feedback signals from our users and systems. Right now we organize ourselves by projects, which allow us to build complex features and solve big problems, while staying mutable. As a distributed group, we rely on clear communication and the rule of "assume positive intent" to help us work together across time zones, cultures and first languages. Our base of operations is nominally London, though really we are living all over the world: from Barcelona to Bulgaria, Argentina to Vietnam, and many more.
We maintain a service infrastructure for IoT devices, and this is where we have quite a bit of our engineering talent. You will be actively working on one or more of these core components, fixing bugs, solving complex technical problems, and implementing user-facing features across the resin.io stack. While resin.io focuses on IoT, the majority of our engineers don't require embedded programming expertise.
People who are successful engineers are well-rounded generalists and great communicators. They are eager to take responsibility for a project, and are able to make good decisions about the project because they have the context of what's important.
We don't require engineers to be already familiar with the technologies we use. We are happy to invest in people that showcase a strong understanding of the challenges of building secure distributed systems.
Need to have:
Nice to have:
Make sure to let us know if any of these items apply to you!
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At Curve, we are on a mission to simplify and unify the way people spend, send, see and save money. Centralising your money into a smart card, connected to an even smarter app. With Curve you can spend from all your accounts, track spend behaviour and provide insights, and security to protect you from fraud. For the first time giving you bright insights and control of all your money in one place.
We're developing a ground-breaking product with our customers at the core. Our user base is growing rapidly and we have exceptional metrics. We have funding from some of the leading names in tech investment, and a visionary leadership team who wants everyone who joins this remarkable adventure, to have the autonomy to masterfully develop their expertise.
Languages PHP, GO
Messaging RabbitMQ (and maybe Kafka in the future)
Data Snowplow, Python for the ETL
Our development practises include TDD, BDD, Scrum
Database PostgreSQL, MongoDB, Redshift
Mobile IOS/Android; Objective-C/Swift/Java/Kotlin
Our devops culture includes CI, CD, Docker, Kubernetes, Istio & Envoy, AWS
Our ideal team member will have the following talents, skills & experience
2+ years of software development experience
In-depth knowledge of more than one software language among Golang, Java, C++, with Go experience preferable but not essential
Experience of building microservices; ideally deployed in Docker containers on Kubernetes
Experience of agile development practices
Experience with RDBMS & NoSQL datastores
Bonus points for real-time low latency high frequency transaction based systems
Ability to diagnose problems at any level (Client, HTTP/Network, Server, Database, OS)
Demonstrable experience of building large concurrent applications
Bonus points for experience of developing and shipping mobile apps to the App or Play store
Experience of developing and running large scale production environments in or closely with DevOps / SRE
A genuine interest in working in a fast paced startup and ideally Fintech
Voracious appetite for learning
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Improbable is dedicated to building powerful technology designed to help solve previously impossible problems and enable the creation of new realities. In gaming and entertainment, Improbable unlocks truly next-generation gameplay through virtual worlds of unprecedented scale, persistence and richness. In other industries, we hope to help answer critical questions through simulations that could lead to a better functioning world.
Our platform, SpatialOS, lets developers transcend the limits of regular computation, allowing swarms of servers running in the cloud to cooperate in order to simulate worlds far larger and more complex than any single server could.
We are a British technology company proudly building a diverse workforce, driven by a shared desire to improve and achieve extraordinary things. We’re crafting technology for the future and fostering a problem-solving culture that embraces innovation through iteration and experimentation.
Engineering is at the heart of Improbable. We solve some of the hardest problems around in areas such as distributed systems, high-performance cloud computing, messaging and much more.
We are technology neutral and believe in well-tested, robust code. Much of our platform is built in GoLang/Java with areas of C++, TypeScript and C#. We use Open Source technologies (such as CoreOS, etcd, Fleet, Docker, Prometheus, gRPC) and give back to the community through open source contributions when we can.
We’re hiring Senior Software Engineers across multiple teams. There is always a diverse range of challenging and interesting projects to work on. Similarly, we welcome diverse engineering backgrounds and are able to offer highly interesting challenges across all our teams, we never hire to fill a gap.
You can find out more about some of our engineering projects here
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
Bonus, shares, free gym, pension, subsidised canteen, and nice people!
Mixture of F2F interviews and coding tests.
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