Centrifuge is growing and we need your help to build the future of open, decentralized business software. Join our team building a decentralized business operating system on top of public blockchains.
You are either already an expert in distributed ledgers/blockchain/Ethereum or wish to become one. You want to join a team of technologists, who really care about writing high quality, open source code. You are self-motivated and don't need many directions to get a job done together with your teammates. We are knowledgeable, curious, and nice people, who have a shared vision to re-shape the world of business software. We would love to hear from you if this feels like a good home for you.
Responsibilities
- Write clean, maintainable, secure code for distributed applications.
- Write Solitidy code and create the corresponding UI/UX. We mostly code in Solidity, Node/JS, and Go.
- Write code that deals with high-value financial transactions.
- Be directly responsible for the creation and maintenance of modules and core infrastructure of the distributed Centrifuge operating system.
- Drive your projects from inception to completion by owning your own deliverable and collaborating with your teammates.
- Review code of others, maintain shared libraries, contribute to our shared infrastructure and toolbox.
- Be a strong individual contributor in our team-oriented environment. We care about our team and people and value collaboration.
Requirements
- You like solving problems and working with smart, nice people.
- A strong and proven computer science or computer engineering background.
- Track record of high quality, well-crafted code that has been used in production environments.
- Communicate in English in our fast-paced and results-oriented environment.
- Comfortable cooperating with the team in your office as well as remote team members.
- Experience in API development and integration.
A plus:
- You are familiar with cryptographic algorithms, decentralized systems, distributed consensus systems and security and trust reduction.
- You wrote Ethereum smart contracts in Solidity.
- Experience writing code with web3.js.
- Experience with contributing to and managing open source projects.
About Centrifuge
Centrifuge is the decentralized operating system to power global trade and commerce. We are building the systems and tools on public blockchain infrastructure to enable open, fair, and transparent business within the Financial Supply Chain.
Over the last 20 years, we built companies and software to address major issues in the world of Procure to Pay. Global large-scale business networks, invoicing between companies, providing financing for the supply chain - to name a few services we created over the years.
The Centrifuge OS allows businesses to transact on a global, decentralized network while maintaining control of their data. It democratizes access to business processes, makes the supply chain more transparent, and removes the middle-men who extract money from the global economy for their own sake.
We are setting up our Berlin offices right now and you will be one of the first ones to join the team and shape our culture.
You are either already an expert in distributed ledgers/blockchain/Ethereum or wish to become one. You want to join a team of technologists, who really care about writing high quality, open source code. You are self-motivated and don't need many directions to get a job done together with your teammates. We are knowledgeable, curious, and nice people, who have a shared vision to re-shape the world of business software. We would love to hear from you if this feels like a good home for you.
Responsibilities
- Write clean, maintainable, secure code for distributed applications.
- Build software with Solidity, JS/Node and Go.
- Write code that deals with high-value financial transactions.
- Scalability, security, and ease of deployment for our end-users are key. Your code is operated by the largest corporations on this planet.
- Build the infrastructure that connects our enterprise customers with Ethereum and the Centrifuge peer to peer network.
- Be directly responsible for the creation and maintenance of core Centrifuge modules.
- Drive your projects from inception to completion by owning your own deliverable and collaborating with your teammates.
- Review code of others, maintain shared libraries, contribute to our shared infrastructure and toolbox.
- Be a strong individual contributor in our team-oriented environment. We care about our team and people and value collaboration.
Requirements
- You like solving problems and working with smart, nice people.
- A strong and proven computer science or computer engineering background.
- Track record of high quality, well-crafted code that has been used in production environments.
- Communicate in English in our fast-paced and results-oriented environment.
- Comfortable cooperating with the team in your office as well as remote team members.
- Experience in API development and integration.
A plus:
- You are familiar with cryptographic algorithms, decentralized systems, distributed consensus systems and security and trust reduction.
- You wrote applications before that deal with invoices, purchase orders, payments, or other transactions of the financial supply chain.
- You know your way around writing code for large-scale peer to peer applications.
- Experience with contributing to and managing open source projects.
- Experience shipping and maintaining code that is used in enterprise environments.
About Centrifuge
Centrifuge is the decentralized operating system to power global trade and commerce. We are building the systems and tools on public blockchain infrastructure to enable open, fair, and transparent business within the Financial Supply Chain.
Over the last 20 years, we built companies and software to address major issues in the world of Procure to Pay. Global large-scale business networks, invoicing between companies, providing financing for the supply chain - to name a few services we created over the years.
The Centrifuge OS allows businesses to transact on a global, decentralized network while maintaining control of their data. It democratizes access to business processes, makes the supply chain more transparent, and removes the middle-men who extract money from the global economy for their own sake. We are setting up our Berlin offices right now and you will be one of the first ones to join the team and shape our culture.
Golang Blockchain Engineer Herdius Berlin, Germany $50,000 to $80,000 a year
October 2018
3 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Job Description
We are looking for awesome backend developers to join our Berlin team at Herdius. We are a blockchain startup working on a decentralized financial platform tailored specifically for cryptocurrencies. Our goal is to create a new, highly scalable blockchain that can act as a transaction and identity layer on top of all blockchains. The vision for Herdius is to create the central cryptocurrency financial hub of the space. Since we are developing our own chain as well as are working on brand new technology there will be a lot of room for you to play around with new consensus mechanisms, blockchains, distributed systems design, governance mechanism design, order routing, etc.
Responsibilities:
Implementation and design of Herdius’ consensus algorithm and p2p routing protocol
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Integration of data storage solutions as well as distributed data storage solutions
Creation of an efficient crypto exchange orderbook capable of handling thousands of transactions per second
Creation of Governance / voting systems
Working on our distributed virtual wallet network that implements distributed key generation with homomorphic encryption
Requirements:
4+ years of experience as a backend developer, preferably in C/C+, Golang or Scala
Strong proficiency with Golang, preferably including p2p libraries and leveldb (or similar)
Understanding the nature of asynchronous programming and its quirks and workarounds
Understanding accessibility and security compliance
User authentication and authorization between multiple systems, servers, and environments
Efficient integration of cryptographically encryption schemes
Understanding fundamental design principles behind various consensus algorithms
Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc.
Past experience with ANY blockchain / crypto related projects is a huge plus
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Experience with other languages such as Javascript or Python
Strong passion for Bitcoin and other cryptocurrencies
What to send:
Links to your GitHub/Stack Overflow/Portfolio/something awesome you've built that you’re proud of
A resume or LinkedIn profile
Cover letter
Backend Engineer Spilly Berlin, Germany €45,000 to €50,000 a year
October 2018
3 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
You love building distributed systems at massive scale and tackling impossible problems that few engineers are fortunate enough to face.
Our team of backend engineers extends our super efficient Golang-based backend every day. We leverage Kubernetes and Google Cloud to focus on what we are really good at. Delivering VR experiences in seconds to our users all around the world. Massive growth means that we constantly need to reinvent and reiterate. We continuously investigate new tech stacks and are open for your input and experience to shape our thriving service cluster.
Responsibilities:
- Plan, organize and implement solutions to complex engineering problems.
- Drive adoption of best practices in code health, testing, and maintainability.
- Analyze and decompose complex software systems.
- Collaborate with and influence others to improve the overall design.
- Work together with leading Computer Vision researchers
Requirements:
- Excellent software craftsmanship
- Experienced in Test Driven Development
- Hands-on distributed systems know-how (2 years+)
- Experience working with container based environments
- There’s no such thing as a “doesn’t work” attitude.
- Estimate your work and deliver on time working in an Agile process
Special Qualifications:
- Experience building highly-scalable services in Go
- Experience with high resolution video streaming and processing
- Experience with large-scale machine learning and computer vision
- Experience with data analysis and data visualization
- Experience with modern browser APIs (WebRTC & WebGL)
Senior Software Engineer Remerge Berlin, Germany €60,000 to €90,000 a year
May 2021
1 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
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!
Senior Golang Engineer OptioPay GmbH Remote (Europe) / Berlin, Germany €60,000 to €90,000 a year
May 2021
4 Applicants This Week
More Than 6 Months Old
Job Description
About the Company
OptioPay is working on an exciting greenfields customer facing product. We need you to build it with us and to help us go live later this year. It’s an exciting time to join the team, as you will be working on what will become a game changing experience for customers everywhere. Openbanking data plays a big role in our future, and we are very excited to work with you to ensure that customers everywhere are finally rewarded financially for the data that they generate in their day to day lives. Help us create an openbanking revolution!
What will you do
To architect, design, develop, deploy, evolve, and operate distributed systems in a DevOps way
To be an integral part of an empowered and self-organizing team
To actively collaborate with other engineers, product owners, domain experts and designers to deliver great outcomes
To pair with others and review work, sharing knowledge and increasing quality across the board
To scale our reach by integrating our platform with more banks, PSPs, insurance companies and other financial systems
To champion continuous improvement of technology and the ways we work
What are we expecting from you
You have at least 5 years of professional experience as a Software Engineer
You can build and debug reliable, high availability, secure and performant distributed services in Golang
You care about quality and know when and how to ship code safely
You have a solid understanding of system design, data structures, and algorithms
You are experienced with deploying and operating services on Linux
You can reason and drive technical decisions
You love to experiment and use data to drive decision-making
You get inspired, think of new ideas and like to share them with others
Why OptioPay
Talented team of 60 people from 20 different countries
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.
Backend Engineer OneFootball GmbH Berlin, Germany €60,000 to €80,000 a year
September 2020
2 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
OneFootball is the ultimate media platform that enables football fans to get their daily dose of news and scores wherever they are, created by a team of professionals from more than 25 different countries. With +30 engineers based in the heart of Berlin, our mission is to tell the world's football stories through a stable, scalable and reliable stack to +10 Million passionate users all over the world.
We are looking for a Backend Engineer who understands how to organise multiple systems, is skilled in Golang and passionate about working on a stand alone web product.
Our main systems consist of micro service architecture with golang applications serving iOS, Android and Web clients. We have a strong foundation of shipping code through containers using cloud native technologies, such as Kubernetes. You can check our Stackshare page, too.
We believe engineers write code for other engineers and not just for machines, therefore we celebrate clean and smart code!
Your role
Shape OneFootball’s main website by driving decisions on the backend and writing code that your co-workers appreciate for its readability and elegance
Analyze our product requirements and business needs, improve our architecture and satisfy performance
Work on performance of the webpage in terms of retention and acquisition, scale & roll out new features in close cooperation with other members of the Consumer Web team as well as collaborating with other engineers & stakeholders
Be actively involved into the production process, from idea to user
Contribute to the engineering team with knowledge sharing and code-reviews
Your profile
You write SOLID and clean code
You develop backend services with Go as well as fast, scalable and well-documented APIs
You are an expert with either MySQL, PostgreSQL or Redis
You have worked with Docker and Kubernetes and used agile methodologies
You are interested in Web products and are keen to focus on them
You are at ease working with other teams and you want to be the driving force for your domain
You never stop learning and are keen to mentor others
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.