.NET Tech Lead

For our client, we are looking for a hands-on .NET Tech Lead to lead engineering delivery for greenfield payment initiatives within a regulated fintech environment. The role combines technical leadership with hands-on development, focusing on building modern, secure, and scalable payment platforms across Europe.  Key Responsibilities: Lead technical design and delivery of backend payment platforms using C# / .NET Develop and maintain payment processing services supporting real-time and batch flows Guide implementation of ISO 20022 and SWIFT MT/MX messaging Lead integration efforts with bank APIs, payment rails, and file-based channels Own code quality, architecture alignment, reviews, and mentoring Ensure security, compliance, resilience, and auditability of payment flows Collaborate closely with product, compliance, and engineering teams Drive CI/CD practices, testing strategy, and technical documentation Must-Have Requirements: 7+ years of hands-on experience with C# / .NET (Core / 6 / 7 / 8) Proven experience as Tech Lead / Senior Engineer on complex backend systems Strong experience with payment systems and banking integrations Solid knowledge of ISO 20022, SEPA, and payment messaging standards Hands-on experience with SWIFT, FPS, BACS, CHAPS, TARGET2 Experience in Open Banking and regulated financial environments Strong skills in REST, SOAP, SFTP, XML/JSON, message queues, and SQL Server Experience with Docker, CI/CD pipelines, and secure coding practices Excellent English communication and leadership skills Nice to Have: Experience with core banking platforms or digital wallets Knowledge of clearing, settlement, and cut-off time processes Experience with cloud-native architectures (Azure / AWS)  We offer: Full remote Long term 12+months B2B contract Salary is 7000 EUR GROSS/month ( negotiable ) Recruitment Process: CV Screening: Applications are reviewed within 24 hours. Pre-Screening Interview: A brief Q/A session ( Automated or with a Recruiter ) designed to learn more about your experience related to the required job position. Automated Session (Recommended) – You can complete this session on your own at a time that is convenient for you. The questions and follow-ups are well-structured and designed to highlight your experience and provide detailed insights into your background. This option is recommended because it's usually more detailed and allows us to provide feedback from the hiring manager faster. Session with a Recruiter – You can also have the session with a recruiter. The questions are the same, but the discussion may be a bit less detailed, and feedback might take a little longer. Shortlisting: Qualified candidates are presented to the hiring manager for review. Formal Interviews: On-site discussions with the hiring manager or project team, with feedback provided within 1-2 weeks. Offer and Onboarding: Successful candidates receive a formal offer and begin a structured onboarding process. Information about the processing of your personal data is provided in our Privacy Policy, which is available online a Privacy Policy