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10 of 62 Golang Cafe Jobs in Germany 🇩🇪 • Sort by
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Backend Golang Engineer Wallet Connect Remote / Berlin, Germany $85,000 to $100,000 a year
December 2021
4 Applicants This Week
More Than 6 Months Old
Job Description
WalletConnect is the open-source web3 standard to connect blockchain wallets to dapps. Started four years ago, our mission is to make web3 accessible to everyone. Every month, millions of people use WalletConnect in over 200 integrations.
We’re looking for a backend golang engineer to join our team to build and scale our network. To help grow web3, we recently launched WalletConnect 2.0 with new features, including multi-chain support, a decentralized back-end, faster connections, and 10x performance and scalability. You will help us expand and scale our backend messaging infrastructure.
You will be responsible for building Golang messaging services. A main challenge is growing our services to scale for our millions of users across billions of websocket connections every month, as well as ensuring security and resiliency.
To help with your role, you will have the support of our devops team to deploy and manage our infrastructure, will work closely with our protocol and SDK teams, and have exposure to the full WalletConnect stack.
The ideal candidate is immersed in the best practices of golang at scale, messaging systems and Websockets.
Responsibilities:
Building a microservice architecture based on Golang with scaling in mind
Work with protocols such as Websockets, gRPC
Help with monitoring by creating metrics with Prometheus and Grafana
Develop unit and integration tests for core business logic
Work closely with our devops team to manage and scale our infrastructure
Must have:
3+ years professional experience in software development at least one modern programming language, including Golang, TypeScript, C++, Java, or Rust.
At least 1 year of professional Golang experience.
Experience using Postgres, AWS, with demonstrable experience with systems engineering and automation.
You have experience with network programming or distributed systems development
Experience working on products at scale
Nice to have:
Experience working on systems optimisation
Experience with k8s or Nomad a plus
Desire to learn more about Blockchain technologies or experience with PoS systems.
Familiarity with operations/SRE and the concept of infrastructure as code
Websocket experience
Benefits
What WalletConnect offers:
Fully remote position with flexible timezone (CET/EST preferred)
We are looking for a Golang developer who helps us develop an MVP for a nice Infrastructure as Code project. The MVP consists of a command-line application and a REST API for managing AWS cloud infrastructure in Golang. The project is running only for a few weeks, so you'll have the opportunity to contribute a cool project right from the start!
tl;dr
Develop a Golang command-line application and a REST API
Strong focus on internal and external software quality
Ambitious project context in the AWS cloud (Infrastructure as Code, High Availability, a high degree of automation)
For 10 to 16 hours per week
We speak English and German
AWS cloud / Infrastructure as Code / Part-time / Freelance
Project Background
We are developing the prototype of an innovative product for managing cloud infrastructure. It is all about running web applications in the AWS cloud in an easy-to-use, reliable, and automated way. Our users should be able to create and maintain the resources that they need without any external help. Behind the curtains, there is a framework that manages those resources in the AWS cloud with Terraform. This concept aligns with the Infrastructure-as-Code principle, which aims at providing documented and managed-like-source-code infrastructure definitions. We set a strong focus on economic factors, in that it should be viable to run both small and large applications and to scale those applications with high load and amount of users. The platform should be highly available and self-repairing – nobody should be on-call and responsible for fixing server deployments in the middle of the night. We have already validated a solution for creating and managing such an infrastructure, and we are in the process of bringing it to life.
The Task at Hand
The platform's user interface is a command-line application which talks to the REST API, which we also develop. We want to implement these tools in Golang, and engineering has just started. We have a strong focus on software quality: in the end, we want to have a well-designed, robust software architecture with clear responsibilities and interfaces. The product should be automatically testable and maintainable for an extended period. An important factor will be integrating several data sources to deliver the right information to the user at the right time. The challenge lies in the heterogeneity and complexity of the data sources (for example, Terraform and AWS). It is also important to us that the product is intuitively usable: it should transform hosting infrastructure from a bothersome task to something fun. To achieve this, we want to gather user feedback and act on it iteratively.
Your Qualifications
You should have considerable experience with Golang and see yourself on an intermediate-to-senior level. In particular, you should engage with topics such as software architecture, testing on unit/integration/end-to-end level, and picking the right frameworks and libraries. You are also excited about clear software architecture and clean, well-maintainable code. We really care about this! ;) If you've got experience with infrastructure tools such as Terraform, Docker, Kubernetes, or cloud platforms such as AWS or Azure – that's a plus, but we don't expect you to know everything. And you won't have to dive deep into all those topics (depending on your personal preferences, of course). There are more bonus points if you know how to integrate 3rd party CLI apps in a stable and reliable way.
The Scenario
You're living in Berlin, Potsdam, or somewhere nearby, and you have one to two days per week to spare. The project is sponsored by a company for digital products in Münster (Zweitag). However, there is no need to travel there because you work together with a team member who lives in Berlin. The current project is projected to take six months. If it all works out fine, we can see you being invited to work with us for longer. 🙂
#bestthingever
Want to hear more about this project over a nice cup of coffee? Write an email to Felix at felix.seidel@zweitag.de. 🚀
At Upvest, we are building the financial infrastructure of tomorrow. Our vision is to create a world in which any asset can be owned and traded digitally by anyone, anywhere. Our bold long-term view is backed by Europe's largest tech VCs Notion Capital, Partech and Holtzbrinck Ventures. Today, we count 22 talented people from 10 different countries and we want to keep expanding our international Upvengers team.
Your mission:
We are seeking a full-time backend engineer to build a securities API for financial institutions, the first such API in Europe. Your goal is to take ownership of designing, developing and maintaining microservices written in Golang.
A greenfield project. Cutting edge technologies. No legacy code.
This role will give you the opportunity to:
Build fault-tolerant, horizontally scalable systems. Using Microservice architecture powered by Docker, Kubernetes, Kuma service mesh and Kong as a Gateway.
Build event driven applications using NATS
Work on different aspects of our API-product portfolio as part of the development team
Develop data processing and storing mechanisms
Work on improving the reliability of our API tools, as well as developing innovative tools
Work with an agile methodology: in the end of the 2-weeks sprint cycle we have a demo with retrospective to make our software delivering faster
Requirements:
At least +2 years of experience and passion about Golang and distributed systems
Fluency with SQL databases such as PostgreSQL, transaction isolation, performance optimization
Fluency with event driven architecture and concurrent algorithms
Be proactive in learning new stacks and have a high sense of taking ownership
Excited to work in a fast-paced and dynamic startup environment
Nice to have:
Experience with Docker, k8s, understanding principles of a service mesh
Experience with Monitoring and Tracing using opentracing/opencensus/opentelemetry/elastic APM
Understanding of encryption algorithms and their application
Backend Engineer OneFootball GmbH Berlin, Germany €55,000 to €70,000 a year
January 2021
1 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
We believe that great, agile software engineering requires creativity in solving problems for our users, a scalable architecture, great coding as well as open minded communication.
At OneFootball we are delivering the product experience for football fans, the platform for our content partners and tools for our internal users. Our main systems consist of a micro service architecture with golang applications running on Kubernetes in AWS, serving iOS, Android and Web clients. You can check our Stackshare page, too.
We're looking for an outstanding Backend Engineer (Golang) to help tell the world's football stories.
Your role
Write Golang code that your co-workers appreciate for its readability and elegance,
Work on a growing set of backend services that bring the latest news stories and match highlights for hundreds of competitions to our users in no time by closely cooperating with our Product team,
Drive from Conceptualization to Deployment complex services that integrate our partners' content into OneFootball applications,
Be responsible for delivering features and APIs on the backend service side in close cooperation with our “client” teams,
Be very data-driven in designing new features by extensively relying on usage patterns, bucket-testing, A-B Testing, and a very deep understanding of the domain and customer objectives,
Understand the full tech stack and be able to debug and drive right design decisions.
Your profile
Experience in developing and maintaining fast, scalable and well-documented APIs,
Experience with MySQL, PostgreSQL, Redis and NoSQL databases as well as an ability to optimise storage effectively,
Solid understanding of what scalability, caching and load testing mean,
Experience in event sourcing systems and handling concurrency at scale,
Experience in Docker, Kubernetes and agile methodologies are pluses.
If we have captured your interest and you want to help us build the ultimate media platform for football fans, submit your application and join our Engineering team!
OneFootball strives for a healthy and safe workplace and is committed to building diverse teams.
Senior Backend Engineer Iconmobile Berlin, Germany €80,000 to €90,000 a year
January 2021
1 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
About us
iconmobile group is an international product innovation corporation globally headquartered in Berlin (Germany) with further offices in Santa Monica, Detroit, Munich, Ingolstadt and Shanghai – having companies like icon incar and banbutsu within our professional family.
We are part of the WPP network blending more than a decade of design and user experience with deep technical expertise and business sense. With our clients from various industries like Automotive, Consumer Products, Financial Services and Health Care we aim for innovative solutions that are both commercially successful and game changing.
Our mission is to grow and transform businesses through the creation of new digital services and products with a focus on creating compelling user experiences to establish successful customer relationships.
Design is at the heart of what we do, fueled by our curiosity and the passion to deliver the best possible results. Our creative thinking is end to end, starting with ideas and paper, informing design of user experiences, while in parallel we validate technical feasibility and implement software and hardware prototypes. Our efforts are punctuated with future showcases or industrialized products at scale.
About the position
You will join the platform team which is part of the software engineering department . Your mission is to build modern, highly scalable cloud-based platforms using Golang. These platforms are used for hardware and software products which will be used in production by often millions of users.
You should be living in Berlin to be able to have (after Corona) some meetings in the office. Flexible REMOTE work is possible.
Your role
Envision and implement future-proof cloud platforms for hardware and software products
Continuously create, develop and deliver superior quality platforms on time
Lead other, more junior engineers by example
Your profile
Mindset:
Passion for simple code which is functional, well tested and easy to understand
Focus on delivering quality centered around a great experience for the API user
Experience with agile & distributed software development
Strong self-organizer with a hands-on mentality
Programming Languages:
4+ years of experience in backend development
3+ years in using Golang to build cloud platforms used in production
Stack & Systems:
Strong experience with Postgres, Redis and message queues like RabbitMQ
Strong experience in defining REST APIs and designing microservices
Experience in building distributed low-latency systems exposing an API
Experience with Docker, Kubernetes
Production experience with popular cloud services (Azure, AWS, GCP)
Experience with CI/CD pipelines
Methodologies and tools:
Agile (Scrum, Kanban), Jira, Confluence, Git
Test-driven development
Nice-to-have:
An open-source track record on Github
Team leading skills
Experience in working in a Golang Monorepo
Experience with oAuth 2.0
Communication:
Experience in working in an international, intercultural team
Good communication skills in English
Experience wth team chats (Slack or Mattermost) and video calls
What do we offer
Under the umbrella of WPP Holding, we offer you the perfect environment to develop yourself professionally and personally.
Regular feedback discussions and responsibility from day one will help you achieve your goals.
On the way there, we will make your everyday life easier with flexible working hours, training, employee events, drinks, snacks and various other benefits.
Golang Engineer Lightmeter Berlin, Germany $40,000 to $50,000 a year
December 2020
1 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Please note: this position is full time and in Berlin (you need to already be in Berlin too). We don't use agencies.
Most messaging networks are created to serve their creators. Email is designed to serve humankind. For over 50 years inspired technicians have architected email to provide the greatest good to the greatest number. Their openness and design principles made email the world's #1 communication channel and identity provider with 4.2 billion users (2x Facebook). Email is a critical foundation stone of the Web.
Lightmeter is reinventing email infrastructure to overcome threats from centralised tech oligharchs like Microsoft and Google. An epic platform war is behind fought behind the scenes to wrestle control over digital comms and incorporate it into closed service platforms, where the customer is a product to be sold to the highest bidder.
We are 3 years of research and 1 year of development in to building Lightmeter Control Center - the all-in-one mailops management system repeatedly featured in Heise and ZDnet. It's fully Open Source (on GitLab) -- feel free to check the unit and user acceptance test code coverage : ) . Our engineering team has a background in embedded and fintech, with a focus on performance and feedback.
A mix of public and private funding fuels our work, and we've been recognised by the European Commission as part of 'Next Generation Internet'. We have hundreds of active users, a few of whom we interview each week, including banks, public universities, Internet Service Providers, and marketing agencies.
Our mission is to strengthen the foundations of digital society by making mailtech easy and convenient.
That’s a brief intro to what you’ll be working on. But first, you need to know if you’ll even like working with us. Let’s talk about life at Lightmeter and then we’ll go into detail about what we’re looking for.
Who you’ll be working with
One luxuary of being an early-stage team is that you get to work directly with everyone. That said, you'll be reporting to Sam, our CEO. He gets easily excited about engineering patterns and workflows, and likes bright colours and house music with vocals.
You'd work along-side Lead Developer Leandro, who calls himself a Software Craftsman, and who others call a philosopher. Leandro has deeply held unfashionable beliefs like "all code should be fast and light", and cares more about design patterns than what language he's coding in. He love the outdoors and pines for the mountains.
Suela is our Product Manager and x-ray seer of quality and value. She has a nack of turning our telescopes around, pointing out better perspectives, opportunities, and efficiencies. She's an Open Source fangirl, community organiser of the OpenLabs Hackerspace, and secretly learning Python so she can make bots to replace herself. Just kidding!
How You’ll Work at Lightmeter
We work hard to make working here a great experience, and have a team of truly exceptional people — the kind you’ll be excited to work with. You'll get to design and create new components and services, working on features like those on our roadmap (https://lightmeter.io/roadmap).
Here’s how we operate
No Crazy Hours
You'll very rarely work more than 40 hours per week, unless you really want to. Ocassionally things can heat up, but noones going to force you to work more than is comfortable. When you do work overtime you balance it out with time off afterwards. We work hard and smart, planning carefully, but we’re in this for the long haul: sustainability trumps anything short term.
Face time and alone time
Most of us have worked fully remote before and miss the benefits of face time, so we like to work together a lot of the time. However focused time alone, in cafes or home-office is nice too, so we aim for a good mix. So long as you can reach the people you need, when you need them, and vice versa, your preferences for office vs remote work shouldn't be an issue.
Take Vacation
A small team means it's easy to coordinate time off to relax and recharge. Notice you'll be away a week in advance is usually enough.
Up Your Game
We’re serious about helping you improve your craft. Everyone wins when you get better and your job, and enjoy the process. Think conferences, online courses and subscriptions, dedicated time away from work to learn something new.
Compensation and Legal
We can't currently offer you a salary to compete with Amazon or Microsoft. What we can offer you is the same salary that we are paying ourselves: €50,000 / year.
We’re an early-stage startup, funded, pre-revenue, and growing. We are owned and managed by our Founders. Making sustainable, profitable products with a committment to openness is hard; we're demonstrating how it's done. If you care deeply about digital freedom, empowerment, and collaboration, you'll probably fit right in!
What we're looking for
Lightmeter has ambitious goals and our team is growing to meet them. You're the Software Engineer we're looking for if you're collaborative, mission-motivated, creative, disciplined, and productive. (So far, so good?)
You love solving complex problems — both internally and for your users — and know what it means to build a mature, evolving product. You are more focused on the outcome than on the output of your work, and prefer to deliver something useful sooner, rather than something perfect later. You welcome feedback, and are curious about users' challenges and how to address them. You demand a lot from your colleagues and expect the same in return, taking personal pride in collective achievement.
Requirements (these are real, actual requirements)
You must live in Berlin most of the time, so we can meet up and work together sometimes
You must have at least five years working in the software industry, of which at least four are as a software engineer.
You must have experience working in cross-functional teams. And we really mean that cross-functional part — in other words working directly with designers, quality assurance, product managers, or other related roles.
Do you like building microservices, and you get excited by the idea, that you will be building a high- performance and scalable application that will change the face of the AdTech industry? We’re now looking for our next Gopher that will join our team and make a difference!
Who we are
We are a very international team and looking to grow and extend the team rapidly in the next 3 years. We are profitable, well-funded with an office in the heart of Berlin and clients lining up for our next breakthrough product. Our products are a Fraud Detection system and an Ad-serving-Platform helping our clients to save advertising costs and automating manual tasks. It’s a user-friendly product, enabled by a very configurable and complex backend.
About the role
We are looking for a passionate Software Engineer who’s in-love with technology, excited about building solutions and who loves teaching & learning from others.
Responsibilities
Work with all team members and management to build a next-gen breakthrough advertising product.
Build new product features with passion for Golang
Quick iterations on product features and experiments.
Write clean and maintainable code.
Ensure that each of our technology products meet industry
standards.
Write clean and testable code accompanied with proper tests and meaningful documentation.
Develop microservices
Skills
Strong proficiency in Golang
Experience working with Container technologies (Docker)
Understands the nature of asynchronous programming, its quirks, and workarounds.
Low latency / high performance software design.
Understanding of unit and performance testing.
What do we offer
Choose your development environment Linux / MAC
Choose your favourite IDE
Kubernetes trainings hosted by our partner Google!
A relocation package (1 month accommodation and flight)
Fresh Fruits & Drinks in the office
Friday GetTogethers & Team activities
Flexible work hours (Core hours 10am – 4pm)
Plenty of room for your own ideas and initiatives
We look forward to your application! Send please your cover letter and CV (incl. photo) in English in MS Word or PDF format to:
Herdius is a Berlin based Blockchain Company. We are working on building homomorphic distributed private key generation which then is turned into value bearing products in different sectors. Currently we are very close to open beta-testing for the Herdius-Crypto-Wallet. What we focus on on the blockchain field specifically is interoperability and trading. When connecting different chains on the key level, users can eliminate communication channels, bridges and complex systems. In other words, users can do cross-exchange and chain token swaps very conveniently and profitably for the user due to the cross-exchange arbitrage opportunities. The broader vision is one day to replace API auth keys with public-private key cryptography in order to provide layered access to user data.
All this makes for a crypto eco system and hedge fund that pays interest on all cryptocurrencies (that right now are unfortunately somewhat unusable and just laying around on wallets).
About the role:
Herdius is seeking for a Gopher Guru - an experienced Senior Golang Backend-Developer - to join our team of smart and visionary individuals. Experience in Blockchain is not necessary but a big plus.
We do not look at this role as another standard job but rather as great opportunity to build something really meaningful und amazing. Become a member of our great collective of top nodge engineers and people - altogether working to create cutting edge tech for the masses.
Besides the Herdius HQ in Berlin our Dev-Team is working mostly remote on different time-zones - so this vacancy surely also is location agnostic.
We would expect you to contribute at least 20hrs per week for part-time but joining full time is possible, too.
Cool things you will work on:
Implementation and design of Herdius’ consensus algorithm and p2p order routing protocol.
Lots of work around trading and high volume data handling and transfer.
Design and implementation of a low-latency, high-availability, and performant algorithmic hedge fund and exchange order book.
Integration of the Herdius distributed private key generation protocol.
Constant performance testing and improvement of our architecture.
Working on new financial products that have not been seen in the crypto world, setting up the base-layer infrastructure of a trading system and hedge fund
Skills & requirements
Strong proficiency & experience working with Golang
3+ years of experience as a backend engineer, language agnostic but Go, React, NodeJS, Vue.JS, Scala, Angular, Rust preferred
Experience and passion working with distributed systems and networking
Strong interest in blockchains and related technologies
Passion for delivering quality, secure code with loads of testing
User authentication and authorization between multiple systems, servers, and environments
Interest in privacy and cryptography, trading and financial service
Understanding fundamental design principles behind various consensus algorithms
Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc.
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Interview Process
Your education or professional experience at the end of the day does not matter to us. It all comes down to us being convinced by your skills and drive! We mainly look for people who are passionate about projects they work on and have the drive to see a project through. Our code is mostly done in Golang with some Solidity for connectivity with Ethereum.
How to apply:
Send anything that reflects on your knowledge and experience in the field. Besides a CV/LinkedIn-profile you can send links of your GitHub/Stack Overflow/Portfolio/ or something awesome you've built that you’re simply proud of.
Back End Developer (m/f) Quoori Hamburg, Germany €55,000 to €70,000 a year
April 2019
5 Applicants This Week
More Than 6 Months Old
Job Description
We‘re looking for a Back-End Developer (Golang) capable of taking mobile application design to the next level. Because you’re joining us at the beginning of our journey, you’ll have the unique opportunity not only to shape your role at Quoori, but also part of the DNA that Quoori will be known for.
As our Back-End Developer, you’ll
Deliver innovative, engaging cloud products on mobile devices and mobile web apps
Lead the way on project architecture and database structure while utilizing best practices in performance, stability, scalability, and security
Work closely with front-end developers across the organization to continuously improve our ability to deliver awesome mobile experiences quickly
Contribute to concept development with multi-disciplinary teams of developers, creatives, and producers
Analyze and evolve components to scale and address new requirements
Who You Are
You're a brilliant problem solver, quick grasp, self-starter, and excellent communicator with a passion for your work. We’re looking for someone who’s excited about being part of our journey.
Position Requirements (must haves)
2+ years of experience as a back-end-developer
Must have experience with server-side-programming-languages (Golang, Java). Most interesting to us is hands-on Golang experience.
Experience in multi-cloud architecture and knowledge of edge computing
Experience in designing, deploying and running 24/7 services at a production level
Creative problem solving; independent (and team!) thinking; great communication skills
Basic knowledge of emergent technologies like Machine Learning and Big Data
You should be business functional in English as we are located in Hamburg with our corporate headquarters in San Francisco. There is a potential opportunity for travel to the US.
We are Synergeticon, a fast-growing startup in the aerospace and shipping industry.
Our goal is to leverage the latest web, communications, machine learning and robotic technologies to make aircraft production and maintenance processes even more efficient.
Particular focus is placed on the cooperation between man and machine.
We use Golang for various cool things like graphql-backends, microservices communicating via grpc or implementing interfaces to robots, sensors. In Addition we're working with docker, kubernetes.