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

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

Senior Back-End Developer

Key skills