Project/Client: fintech
Location: LT preferred (remote possible if candidate is able to travel to the office occasionally)
Start date: ASAP
End date: 12 months (with the possibility of a one-year extension)
Role Overview:
We’re looking for an experienced .NET Developer to join our fintech engineering team, focusing on global and regional payment integrations (SEPA, SWIFT, TARGET2, FPS, BACS, CHAPS, PayPal, Banking Circle). This role demands strong .NET expertise and solid knowledge of banking protocols, ISO 20022, and real-time payments.
Responsibilities:
Build and maintain .NET Core (C#) backend services for payment processing
Handle ISO 20022 (pain.001, camt.053) and SWIFT MT/MX messages
Integrate with bank APIs and file-based systems
Manage full payment lifecycles: initiation to reconciliation
Ensure compliance with robust error handling and auditing
Collaborate across teams to deliver secure, scalable services
Maintain technical documentation and support new integrations
Participate in code reviews, testing, and CI/CD pipelines
Requirements:
5+ years in C# / .NET (Core/6/7/8)
Deep knowledge of ISO 20022, SEPA formats
Experience with SWIFT, FPS, BACS, CHAPS, TARGET2
Familiarity with PayPal and Banking Circle APIs
Proficient in REST, SOAP, SFTP, XML/JSON, and data validation
Skilled in secure coding, SQL Server, message queues, and Docker
Nice to have:
Experience with core banking or digital wallets
Knowledge of Open Banking, FX, ledgers, and liquidity tools
Familiarity with cut-off times and clearing processes
ðEnglish: upper-intermediate
ð© Ready to Join?
We look forward to receiving your application and welcoming you to our team!
For job seekers, BONAPOLIA offers a gateway to exciting career prospects and the chance to thrive in a fulfilling work environment. We believe that the right job can transform lives, and we are committed to making that happen for you.
Bonapolia
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