About the role

  • Senior Back-End Developer building secure .NET services and APIs for blockchain payment solutions. Taking ownership of technical decisions and collaborating with the Head of Development.

Responsibilities

  • Maintain and optimise backend systems using .NET (C#), PostgreSQL, and Microsoft Azure, ensuring reliability, security, and scalability in production
  • Take ownership of tasks from design to testing, including documentation, code reviews, and mentoring junior developers
  • Develop and maintain automated unit and integration tests, and implement CI/CD pipelines for smooth, reliable deployments
  • Implement security measures for customer data and financial transactions, safeguarding company and shared data
  • Investigate and resolve backend issues, outages, and performance bottlenecks, integrating logging, alerts, metrics, and tracing to detect issues early
  • Collaborate with the Head of Development, product managers, and stakeholders to translate business requirements into technical solutions

Requirements

  • Proven hands-on commercial experience working with blockchain technology (non-negotiable)
  • 3+ years’ experience in back-end development within Fintech, SaaS, or high-compliance environments
  • Professional fluency in English, both written and spoken
  • Proficiency in .NET (C#)
  • Previous experience with PostgreSQL or similar, including schema design and query optimisation
  • Solid understanding of cloud infrastructure, particularly Microsoft Azure, with a focus on secure data handling and deployment best practices
  • Experience designing and maintaining CI/CD pipelines, supporting automated build, testing, and deployment processes
  • Knowledge of encryption methods, secure API design, and data protection requirements for financial systems
  • Ability to develop and maintain unit and integration tests to ensure reliability and avoid regressions
  • Practical experience with logging, monitoring, and incident response tools, including metrics, alerts, and tracing
  • Comfortable contributing to technical documentation, participating in code reviews, and engaging in cross-functional collaboration
  • Ability to work during EEA timezone hours or within ±3 hours of CET

Benefits

  • Access to 24/7 onsite gym
  • Fresh lunch at the office
  • Opportunities for professional development

Job title

Senior Back-End Developer

Job type

Experience level

Senior

Salary

€50,000 - €60,000 per year

Degree requirement

Bachelor's Degree

Location requirements

Report this job

See something inaccurate? Let us know and we'll update the listing.

Report job