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Bonapolia

.NET Tech Lead

Bonapolia
Lithuania · Full-time · Mid-Senior
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!

Key Skills

Ranked by relevance

swift cicd c message queues docker cloud sql
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Posted
Feb 15, 2026
Type
Full-time
Level
Mid-Senior
Location
Vilnius
Company
Bonapolia

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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