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Blockchain (Solidity) Developer (REMOTE)

globe icon Remote
Salary up to 190 PLN/h
Part-time, 15-20h a week
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

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!

We’re looking for a Blockchain (Solidity) 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.


  • Ideally 3+ years of experience
  • Significant software engineering experience in one or more general-purpose programming languages
  • Experience in working on blockchain projects
  • Ethereum programming and knowledge of frameworks
  • Knowledge of applying Solidity patterns to solve common problems
  • Communicative level of English, both written and verbal
  • Building the most powerful, easy-to-use payment platform and delivering new features and enhancements
  • Optimize blockchain data structures, write crypto algorithms and protocol specifications
  • Design, develop and implement blockchain protocol packages for Ethereum
  • Support, coach, and develop team members into top-performing engineers
  • Code Solidity smart contracts and tests according to business requirements
  • Build a great place to work for talented and motivated people
  • Take full end to end responsibility for the services your team owns, from development through to production operation
Why work with us?
  • Possibility to learn from an ultra-experienced CTO/tech lead
  • Shape the Future: Improve lives through cutting-edge technology, work 100% remotely from anywhere in the world
  • Own Your Success: Receive attractive remuneration, enjoy an autonomous work culture and flexible hours, apply your expertise to meaningful work every day
  • No tight deadlines and loose, startup atmosphere
  • Impactful work! Your work will be deployed weekly to millions of citizens and your input will be heard and taken into consideration
  • Amazing opportunity to develop non-technical business skills
  • Direct contact with the founder of the company
  • Further development opportunities and exchanging experience with strong professionals
Our offer
  • B2B contract
  • Salary up to 190 PLN/h
  • Loose atmosphere, no tight deadlines, work with experienced developers, great opportunity to exchange experience and knowledge
  • 100% remote work
Referral bonus: 3,000 PLN if we hire an engineer based on your recommendation

Blockchain (Solidity) Developer (REMOTE)

globe icon Remote
net/month - B2B 28 000 - 32 000 PLN

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“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."

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