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Senior Backend Developer


Senior Backend Developer

Do you want to do impactful work that will be deployed to millions of citizens weekly? Do you want your input to be heard and taken into consideration? Apply and create a digital future with us!

Salary 28 000 to 32 000+ PLN net/month, depending on experience + 35 days of paid leave + equity
B2B long-term permanent contract
Hong Kong-based company that provides a bitcoin wallet combined with a cold storage vault and a bitcoin-based debit card
We’re looking for a Senior Backend Developer for an international fintech startup on a mission to protect and grow its clients’ life savings. The company was founded to address two of the biggest issues with Bitcoin adoption: accessibility and security. In a matter of years, they developed an industry-leading platform that introduced cryptocurrency into the daily lives of millions worldwide.
You would join the Cards domain – their premium debit card is a core part of the company’s value proposition. The team strives to deliver a secure and delightful debit card experience for clients worldwide. They are building truly cross-functional teams with full ownership of design, architecture, build, test, delivery, and operations. You will collaborate closely with your fellow team members from the product, apps, design, and QA communities of practice. As a Developer Lead, you will provide guidance and coaching around technical good practices as well as playing an active role in the Development Community of practice


Ideally 7+ years of experience
Significant software engineering experience in one or more general-purpose programming languages (it doesn't matter what backend programming language you code in)
Experience building contract-first services and adopting patterns and frameworks to enable appropriate automated testing at the unit, contract, service, and end to end levels
Experience building services that can be deployed on-demand, quickly, and with quality
Excellent understanding of CI/CD patterns and good practice
Understanding of microservice architectures, and cloud-native patterns around fault tolerance

Nice to have

Experience working in Finance


Support, coach, and develop team members into top-performing engineers
Build a great place to work for talented and motivated people
Designing, developing, and deploying backend services with a focus on high availability, fault tolerance, low latency, and security.
Take full end to end responsibility for the services your team owns, from development through to production operation

Senior Backend Developer

28 000 - 32 000 PLN net/month - B2B
net/month - B2B
28 000 - 32 000 PLN
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Best back-end engineers I've ever worked with.​

“I interviewed about a dozen different firms. DevsData LLC is truly exceptional – their backend developers are some of the best I’ve ever worked with. I’ve worked with a lot of very well-qualified developers, locally in San Francisco, and remotely, so that is not a compliment I offer lightly. Their depth of knowledge and their ability to get things done quickly."

Nicholas Johnson




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