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Urgent! Python Developer Job Opening In Warsaw – Now Hiring Confidential

Python Developer



Job description

The Role

We're looking for a Back End Developer to join the international team behind the development of a crypto exchange platform.

You'll be responsible for building and maintaining scalable, secure APIs and services that power the core of the platform.

You'll integrate smart contracts, manage wallet interactions, and ensure seamless backend performance across blockchain and database systems.

What You'll Do

  • Design, build, and maintain scalable backend services using Python
  • Develop and integrate APIs that interact with blockchain networks and smart contracts using tools like Web3.js or Ethers.js
  • Connect and manage wallet integrations to enable seamless user authentication and transaction flows
  • Collaborate with the front-end team to define and support end-to-end user experiences
  • Manage and optimize relational and non-relational databases
  • Ensure application security, reliability, and performance by applying backend best practices

What You Bring to the Table

  • Strong experience with Python and FastAPI
  • Solid knowledge of SQLAlchemy, PostgreSQL, and MongoDB
  • Proficient with Redis for caching and data handling
  • Understanding of backend architecture, API development, and database optimization
  • Experience with DevOps tools and practices e.g. Docker, CI/CD, cloud infra, etc.

    will be a great advantange
  • You're based in Europe - MUST
  • Nice to have familiarity with blockchain, smart contracts, or Web3 tools

What You'll Get

  • A salary of $4000-$5000 / month
  • Payment in stablecoin USDT/USDC or in fiat if you have a registered company where you're the sole proprietor/freelancer
  • Fully remote work
  • Work in a small, flexible, and super easy-going team

Hiring Process

  • 15 minutes call with the recruiter - this is us :)
  • 30 minutes call with the CTO
  • Quick async home test assignment
  • Offer

We work with companies that care about building inclusive, respectful teams where people feel safe to be themselves, grow, and belong.

And if you ever have questions or doubts during the process, we're always here to support you.


Required Skill Profession

Computer Occupations



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