Senior .NET developer
Senior .NET developer
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Job Description
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 oneyear extension)
Role Overview:
Were 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 realtime 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 filebased 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 cutoff times and clearing processes
English: upperintermediate
Ready to Join
We look forward to receiving your application and welcoming you to our team!
Employment Type
Full Time
