For our client we are seeking an experienced .NET Developer to join a fintech engineering team. The position requires deep knowledge of banking standards (ISO 20022) real-time payment solutions and expertise. Knowledge of UK payment regulations is highly preferred.
Key Requirements:
- 6 years of experience with C# (Core/6/7/8)
- Advanced knowledge of ISO 20022 and SEPA payment formats
- Hands-on experience with SWIFT FPS BACS CHAPS TARGET2
- Familiarity with APIs for PayPal and Banking Circle
- Proficient with REST SOAP SFTP XML/JSON
- Secure coding expertise SQL Server message queues Docker
- Excellent communication skills in English
- Experience with UK payment regulations is highly preferred
- Experience with Open Banking is a must
Nice to Have:
- Background in core banking systems or digital wallets
- Experience with cut-off times clearing and settlement processes
Responsibilities:
- Develop and maintain backend payment processing services Core (C#)
- Process ISO 20022 (pain.001 camt.053) and SWIFT MT/MX payments
- Integrate with various bank APIs and file-based communication channels
- Oversee the full lifecycle of paymentsfrom initiation to reconciliation
- Ensure compliance robust error handling and auditing
- Collaborate with cross-functional teams to deliver secure scalable platforms
- Maintain technical documentation and implement new payment integrations
- Participate in code reviews testing and CI/CD pipelines
Work Conditions:
- B2B Contract
- Salary: 4000 - 5500 EUR/month (gross)
- Hybrid: remote with office presence for kickoff
If youre passionate about delivering meaningful fintech solutions and enjoy working in a modern tech stack wed love to hear from you!