Golang Clearmatics Technologies Ltd Jobs in Germany

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.

To learn more about our plans for 2.0, take a look at our recent presentation at EthCC. https://www.youtube.com/watch?v=8cBIw7lFNnU

Requirements

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)
• Competitive salary
• Company equity
• Coworking allowance

Job Description

As a Go Engineer you will support the ongoing development of our microservice infrastructure for plyd.io or impfterminradar.de and support our customers developing their cloud infrastructure/services.

WHO WE ARE

We are a young cloud startup from Stuttgart, Germany dedicated to work on the infrastructure of scalable SaaS products.

WHAT YOU WILL DO

• Write Go services
• Help us to develop a FAANG grade build tool
• Support us in Consulting projects
• Lead Junior Go developers

WHO YOU ARE

• Passionated Go developer with experience in other system programming languages like C++, Rust or Java.
• Experience with AWS,GCE or Digital Ocean.
• Experience with frontend development (React, VueJS, Svelte)
• A will to learn the newest cloud technologies regularly
• Nice to Have: Open Source Projects

WE PROVIDE

• Remote friendly infrastructure
• Engineering Culture
• Coffee and Drinks
• Work on Open Source Projects
• 30 vacation days

This position can be done 100% remotely. With some personal meetings from time to time.

Want to fund your own company, but not feeling ready? Come and get your hands dirty with us and we support you as soon as you feel ready to make the next steps.

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.

The Consumer Web Team is a cross-functional team of 8 passionate individuals is based in Berlin, Germany. We are looking for a Backend Engineer who understands how to organise multiple systems, is skilled in Golang and passionate about working products. Join us and be involved in the production process, from idea to user.

As Backend Engineer, you will focus on expanding the reach of OneFootball on the web.

Join the team and help us improve the user experience through direct impact on creating, shaping and delivering features of our main website.

Your role

• Build the backend API powering onefootball.com
• Work on the performance in terms of retention and acquisition, scale & roll out new features in close cooperation with other engineers & stakeholders
• Have an impact on systems and features used by millions of users
• Be in contact with technologies from different areas

Your profile

• You have been developing backend services with Go in a professional setting for at least 4 years already
• You care about software quality and are familiar with agile methodologies
• You have worked with Docker and Kubernetes
• You are familiar with SQL and Redis
• You have experience in writing REST Services
• You have a positive attitude and can communicate complex ideas in English with ease

If we have captured your interest and you want to help us build the ultimate media platform for football fans, apply now and join our engineering team!

OneFootball strives for a healthy and safe workplace and is committed to building diverse teams.

Job Description

As our next full-time backend engineer, you'll help us build a securities API for financial institutions, the first such API in Europe. Your goal is to take ownership of designing, developing and maintaining our microservice architecture (written in Go).

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, Linkerd service mesh, and Kong as a Gateway.
• Build event-driven applications using Kafka
• 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: at the end of the 2-weeks sprint cycle we have a demo with a retrospective to make our software delivering faster

Why Upvest:

• We're working on solving a hard problem: fixing the European securities financial infrastructure that empowers more people to be able to invest. You have the opportunity to contribute to this change.
• We invest in you. From access to a personal coach, development budget and plenty of opportunities to grow in your role.
• We take hiring seriously with a strong focus on keeping a high bar when interviewing (equally important is that we also hire decent people who are passionate about their craft and helping up achieve our shared mission).
• While we're not quite fully-remote, we are committed to being a flexible employer as we understand you don't have to be in the office to do your best work.
• We live a culture of empowerment, trust (that we hire the best people and get out of their way) and openness (there's a greater advantage in sharing information than keeping it to ourselves).
• We ensure we take time to have fun as a team. We're looking forward to having more time in-person again once this becomes possible again.

Job Description

Remerge is a fast-growing mobile advertising scale-up that has become the no.1 app retargeting company over the last 6 years with offices spanning Berlin, San Francisco, New York, Singapore, Beijing, Seoul and Tokyo. Remerge enables app developers to re-engage up to 3.3 million users per second across 1 million apps globally in order to increase retention and boost user lifetime value. We love data, designing for the user and anything that helps drive intelligent decisions.

Job mission

As a part of our Backend team you will be working on our bidding, data processing and machine learning infrastructure. This involves services which are distributed around the globe, handling more than two million requests per second and generating terabytes of data daily. Our tech stack consists of a variety of technologies such as Golang, Python, Kafka, Druid, Aerospike, Ruby, Elasticsearch, Chef, Hadoop, Spark, TensorFlow, Terraform and Kubernetes.

Responsibilities

• Add features to and refactor existing code on our bidder while maintaining a sub 100ms response latency.
• Build real-time processing pipelines to transform, aggregate, and ship data both internally and to external partners.
• Develop supporting systems and infrastructure for machine learning research, such as model repositories, feature stores, and training environments.
• Decide on appropriate metrics, logging, and alerting to ensure our distributed system stays in sync and operational 24/7/365.
• Work in a hybrid environment that mixes on-premise with cloud based infrastructure (mainly AWS and GCP).

Requirements

• We are not concerned with what kind of certificates and diplomas you have acquired so far if you are able to pragmatically solve a problem.
• A good understanding of underlying software development and computer science concepts.
• Previous experience with, or a strong desire to learn, the Go programming language.
• Analytical skills for performing exploratory work, combining data from multiple sources to find patterns.
• Interest in developing solutions for problems inherent to globally distributed real-time systems.
• Previous experience building and working with machine learning infrastructure is a plus.
• Ownership of your work - build it, deploy it, fix it, monitor it, repeat.
• Ability to communicate ideas, technical concepts, and analysis results in a meaningful way to non-technical colleagues.

Our Promise

• Team that values good engineering practices, lean processes and simplest working solutions
• Opportunities to learn and expand your skill set
• Mentorship program for technical and non-technical skills
• Work when and where it best fits you either from home or our brand new office
• Generous remuneration package including virtual shares, a dedicated education budget and end of the year bonus
• Travel to our offices around the globe for a short term assignment for up to a month each year
• Comfortable work setup - laptop, phone, screen(s), standing desk etc.
• Support for your setup while working from home

Remerge is an Equal Opportunity Employer: all qualified applicants are considered for positions regardless of race, ethnic origin, gender, age, religion or belief, marital status, gender identification, sexual orientation, veteran status or disability. We're looking forward to your application!

Job Description

YOUR MISSION

As an early software engineer on the engineering team, you'll work in a small team with a large impact. The team is responsible for building and maintaining multi-tenant pipelines and a variety of user-facing APIs which act as the backbone of the architecture. This requires a team that, as a whole, is capable of writing high performance and ultra-reliable code that is processing data from internal and external tools.

Some of the specific things you will do:

• Own the design and implementation of new features or enhance existing features from concept through to production.
• Implement and maintain integrations which allow us to extract data from a variety of external systems to a high production standard
• Investigate and fix issues reported by customers.
• Maintain internal systems to efficiently operate user-facing systems and services.
• Respond to on-call alerts to resolve issues in a way that meets customer expectations.
• Bring up new ideas for the product or architecture and demo them internally.
• We believe in using the best tool for the job.

YOUR PROFILE

• A good understanding of the compute model, including concurrency, data structures, and algorithms.
• Ability to write documented, optimal and reliable code.
• A strong understanding of how distributed systems work and, more importantly, fail.
• A need to own things end-to-end.
• Experience developing large-scale architectures.
• Experience writing code in a modern language and a willingness to learn the languages we use, specifically Golang and Python.
• Understanding of modern cloud infrastructure and technologies, preferably in Azure.
• Experience in event-driven architectures.
• Strong understanding and experience with SQL, specifically PostgreSQL.
• Strong understanding in working and architecting streaming platforms like e.g. Kafka.
• Ability to get out of the comfort zone and explore areas beyond the existing skill set.
• Initiative and motivation to make things happen.

WHY US?

Molequle is designed to be one highly performant platform to collect, store and unify data from a variety of systems. It changes the fabric of organizations by helping them to bond their atomic data. Our customers can write their own integrations or utilize a range of integrations to existing systems.

Powerful and highly interactive user interfaces show data and also allow organizations to interact with other systems.

We're looking for talented engineers who are passionate about building world-class experiences and are offering:

• Young, driven team with flat hierarchies
• Flexible working environment
• Chance to have a big impact on a young company’s development
• High responsibility from day one and challenging tasks with an extremely steep learning curve
• Nice office with good connection to all locations in Munich

Let us create and form Molec(q)ules together.

Apply for this position

ABOUT US

Onemedia Consulting is a young start-up company located in the East of Munich that is focused on Marketing Technology Consulting, enabling our customers in the area of Marketing Strategy, Marketing-Operations, and Marketing-Analytics & Optimization.

As a certified Marketo partner, — a leading CRM Lead Management solution — we are specialized in supporting our clients in the implementation process of marketing automation systems and lead management solutions.

In meeting our clients’ requirements, we offer them a flexible model of collaboration, either as an integral part of their team, as a specialist for a certain time or selective as required. Our clients come from different industries: Healthcare, Automotive, Manufacturing, etc. We do not believe in the traditional agency model but rather hand on our knowledge to our customers in a collaborative way. The past has shown the success of our model, accompanying well-known companies such as Carl Zeiss, Konica Minolta, or A1 Digital in their Lead Management process.

Job Description

As a part of Amadeus, travel audience unit is the world’s leading data-driven travel advertising platform. travel audience harnesses the power of home-grown tech, combined with cutting-edge machine learning practices to connect the leading performance-oriented travel brands with the biggest network of publishers, reaching Billions of travellers globally.

Our aim is to optimize advertising across the entire traveller journey, identify and create new audiences, and increase our partners reach, relevance and booking volumes.

We are searching for a (Senior) Backend Engineer to join our team. You will be combining your passion for technology and have a direct impact on the lives of millions of travellers, while also helping travel audience in becoming the global leader in data-driven advertising for the entire travel industry.
**
What you'll do:**

• You'll be part of the team responsible for design, development, maintenance and operation of the programmatic advertisement and ad delivery components of our system: a set of Go applications, some of them, soft real-time;
• You'll design & implement new features, write unit and integration tests, tune monitoring and alerting;
• You'll work closely with Data Scientists in experimentation and optimisation of the business logic, leveraging machine learning and mathematical models;
• You'll actively contribute to improving quality & managing technical debt;
• You'll have the opportunity to participate in managing the infrastructure, capacity planning & optimising costs;
• You'll participate in architecture and design discussions, actively influencing the evolution of the architecture to meet new business requirements;
• You'll always be on a quest to look for better tools and solutions that match the new requirements better.

Why join us?

As part of our team, you will work in a highly motivated environment, with equal opportunities, flat hierarchies and short decision-making processes. You’ll have a lot of freedom to contribute your own ideas and implement them. We offer you:

• The opportunity to drive business growth and truly having an impact on the business;
• The opportunity of taking an impactful role in a fast-paced industry where you handle new problems every day;
• The opportunity to work on a system that already handles many thousands of requests per second (per instance) and processes terabytes of data per day - and you will have the opportunity to help to push it further;
• The chance to experience working on a soft real-time system - designed to reliably respond in tens of milliseconds.

Requirements

About you:

• You have gained significant experience with software development, writing idiomatic Go code, and are familiar with the tooling of the Go programming language;

• You worked with at least 5 of these technologies: Kubernetes, Helm, Terraform, Google Cloud Platform or other cloud computing environments,Prometheus, Grafana, protobuf, gRPC, Kafka, Aerospike or other key-value or document databases, PostgreSQL or other SQL databases, microservice architecture;

• Work experience in production environments with high-traffic and/or high uptimes (HA, 24/7), or strong proficiency with performance optimization it's a plus;

• It's a big advantage if you are experienced with programmatic advertisement (eg. Google RTB or OpenRTB) or real-time/soft real-time environments;

• You are a quick learner, you believe in continuous improvement and you are good at analytical problem solving;

• You can communicate well and are a first-class team player;

• You can speak, write and express yourself in English – our company’s working language – in a professional context.

We are awaiting your application and looking forward to starting our journey together!

Job Description

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
• Experience working in Fintech domain

Job Description

We are currently looking for a skilled Senior Golang Developer to join the backend team of our Shop Applications Unit.

The Shop Applications Unit constantly improves the App, Mobile Website and Desktop Website. These big-scale products are each visited by several million people every month. Our highly scalable API updates and delivers our product data for our shop frontends in real-time – in peak times with up to millions of requests per minute! In that case, it truly matters if an API call takes 200ms or 50ms to ensure the best shopping experience. The team constantly challenges itself to raise the bar of what is “state of the art” and to provide the fastest and most efficient solutions to upcoming projects.

Challenges the team will be working on in the next months:

• Working on a new backend API with the goal to unify core business logic to significantly reduce complexity in our frontends
• Hardening and optimization of the API for production use Finding solutions for challenges we face as we grow

What you will do

• Develop a gRPC API in Go that encapsulates core business logic in a simple to use API for our frontend developers
• Improve scalability and technical performance of our API and its response times
• Work on a high-scalable product in the AWS ecosystem
• Draft architectural decisions together with our Tech Lead and explore new technologies
• Have a direct impact on team processes by regular agile retrospectives
• Exchange your knowledge with other developers and be part of our ABOUT YOU TECH community

Who you are

• You have 5+ years of experience in building complex backend API’s
• You are very proficient in Go development
• You have good knowledge of Elasticsearch and indexing products
• You have experience in working with relational databases (e.g. MySQL) and key-value stores (e.g. Redis)
• You write well-structured, efficient and maintainable code and actively keep the quality of the codebase in check
• You have excellent analytical and problem-solving skills and enjoy building scalable distributed systems
• You are used to working in an English speaking & agile environment

Nice to have:

• You have experience in the AWS Ecosystem (Cloud Formation, Terraform, ElastiCache, etc.), Bamboo
• You have experience with gRPC or GraphQL
• You are familiar with centralized logging, monitoring, and alerting solutions
• You understand DevOps, Containerization and Cloud solutions

Benefits

• Grow together with one of the fastest growing eCommerce companies in Europe
• Flexible working times
• 40% discount on our online shop
• Fresh fruits + drinks everywhere
• Language courses (German & English)
• Free sports courses & reduced price for gym membership
• Subsidized public transportation ticket
• Free choice of hardware and operating system (Mac, Windows, Linux) also for private usage
• State-of-the-art tech stack running on AWS
• Modern office in the city center of Hamburg
• International working environment and English as company language
• Company flats (subject to availability)
• Agile work environment (MOVE) and cross-functional teams
• Free access to Germany’s greatest developer conference code.talks
• Company pension scheme
• Free Laracasts and Egghead account
• Help in relocation and VISA process

We are looking forward to receiving your application – preferably via our online application portal! Thus, we can ensure a faster process and for you it is very easy to upload your application documents.

Job Description

🤩 We are Donut

• Say no to idle money. If you've ever wondered why your bank account is earning 0.1% and banks are worth billions, we're here to change that.
• We believe the future is open finance. DeFi makes financial independence possible for all—offering 2-10%+ yields and earning opportunities far superior to traditional banks and institutions.
• Our traction is standout. We have 4,500+ users already using Donut and seen 50%+ monthly growth rates since launch.
• We've raised $2.8M by the backers of N26. We're backed by amazing FinTech and DeFi investors including Redalpine, InVentures, Robot Ventures (Robert Leshner, CEO Compound), Tiny VC & Entrepreneur First.

🎪 The role

• You'll be building an Event-Driven Microservice architecture based on Golang on Kubernetes
• You'll be working with cutting edge technologies like GraphQL and Terraform
• You'll be working on DeFi and Crypto products, initiating Ethereum blockchain transactions and building out our on-chain architecture
• You'll be working on DeFi and Crypto products, initiating Ethereum blockchain transactions and building out our on-chain architecture
• You'll be able to learn and help others grow through frequent knowledge sharing

🙌 About you

• You have at least 3 years of experience in Software Engineering with industry-standard server languages, e.g. Java, NodeJS, Ruby, Go
• You have at least 1 year of experience writing Go code
• You take initiatives and ownership of your work and take it from idea to production
• You believe that code quality is one of the most important factors for our long term success
• You believe that TDD is the way to Go
• You are a genuine and humble person 😀

Perks & Benefits

👍 The perks

• Our team is standout: here, you'll get to work with a brilliantly forward-thinking team every day
• By joining our Bakery as an early employee, you have unrivalled autonomy and ownership of frontend engineering at Donut
• We have a flexible remote work policy, so if you need to work from home for some time that's cool. We try to meet up every few weeks to maintain that personal touch
• The opportunity to work with the most modern tech stack
• The tools you need to do your job: your choice of laptop, productivity software and desk set-up
• And of course, vegan donuts!