Backend .NET (C#) developer to join the team of a leading fintech company (location not Ukraine) 5w155 $$$

Madfish

Madfish

Software Engineering

Europe

Posted on Jun 8, 2026

We are looking for a backend developer to join the team of a leading fintech company bridging blockchain and traditional payments.

Project:

Blockchain-based payment solution allowing to accept payments without a traditional banking infrastructure. Fully licensed by Europeans financial regulators. Your role will be to develop and maintain the server-side applications and APIs in collaboration with a small team of engineers.

Key responsibilities:

- Assist in maintaining the technical architecture.

- Optimize the performance and scalability.

- Support and implementation of CI/CD pipelines.

- Documentation and knowledge sharing.

- Incident response and troubleshooting.

Requirements:

- Advanced English.

- 4+ years of experience in fintech, SaaS or high-compliance environments.

- .NET (C#).

- PostgreSQL.

- Cloud based infrastructure with Azure, Docker, Kubernetes/

- CI/CD implementation (GitHub Actions).

Strong preference:

- Fintech experience.

- Blockchain/web3 testing experience.

- Experience with Open Banking APis (Plaid, Tink, PSD2).

Conditions:

- Direct employment.

- Fully remote.

- Candidate's location: not Ukraine.

Recruitment process:

- English screening (5-minute friendly talk).

- Interview 1 with 5w155 (30 minutes).

- Interview 2 with client.

- Test task.

- Interview 3 (test task review).