Backend Developer with Python

2 weeks ago

Bucharest, Bucureşti, Romania talents lab Full time €16,000 - €24,000 per year

The Role

We're looking 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 or
  • 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 Web3 user experiences
  • Manage and optimize relational and non-relational databases
  • Ensure application security, reliability, and performance by applying backend best practices and blockchain-specific safeguards
  • Monitor and support blockchain infrastructure (nodes, RPC endpoints) where applicable
  • Stay up-to-date with emerging Web3 trends, especially DeFi protocols, NFT standards, and Ethereum ecosystem updates

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
  • Nice to have familiarity with blockchain, smart contracts, or Web3 tools

What You'll Get

  • A salary of $2000-$3000 / month
  • Fully remote work

Hiring Process

  • Quick call with the recruiter
  • Interview with the CEO
  • Interview with the team

We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We encourage applicants of all backgrounds to apply and look forward to welcoming those who will contribute to our diverse and inclusive culture.

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