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.NET Tech Lead at Bonapolia

Vilnius, Vilnius, Lithuania -

Full Time

Start Date

Immediate

Expiry Date

16 May, 26

Salary

0.0

Posted On

15 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

C#, .NET, Tech Lead, Payment Platforms, ISO 20022, SWIFT MT/MX, Bank APIs, Code Quality, Architecture, CI/CD, REST, SOAP, SFTP, XML/JSON, SQL Server, Docker

Industry

IT Services and IT Consulting

Description

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) 📩 Ready to Join? We look forward to receiving your application and welcoming you to our team!

Responsibilities

The Tech Lead will be responsible for leading the technical design and delivery of backend payment platforms using C#/.NET, focusing on building secure and scalable systems for European payment initiatives. Key duties include developing payment processing services, guiding messaging standards implementation, and owning code quality, architecture, and mentoring.