Our client is a licensed remittance and payment services provider focused on enabling fast, secure, and compliant money transfers across international corridors. They operate within the fintech domain, integrating with multiple partners and financial institutions to deliver seamless global payment connectivity. We are seeking a Senior C# Developer to join their team in Madrid. This role involves designing, building, and optimizing core banking and remittance solutions, API integrations, and automation processes for high-volume financial operations.
Details:
Location: Madrid, Spain
Employment Type: Full-Time, ONSITE
Start Date: ASAP
Language Requirements: Fluent English (Spanish is a plus)
Key Responsibilities:
- Design, develop, and maintain C# applications supporting remittance and payment operations.
- Integrate with partner systems and financial institutions via secure APIs.
- Build and optimize automation for transaction processing and operational workflows.
- Implement and maintain reconciliation and reporting functionality for payment systems.
- Collaborate with business analysts to define and develop functional requirements.
- Ensure system reliability, scalability, and compliance with financial regulations.
- Contribute to technical documentation and continuous improvement initiatives.
Requirements:
- 5+ years of professional experience as a C# / .NET Developer.
- Proven background in fintech, payments, remittances, or core banking systems.
- Strong understanding of API integrations and partner connectivity.
- Experience with automation, data reconciliation, and financial transaction flows.
- Proficiency with relational databases (SQL Server, PostgreSQL, or similar).
- Familiarity with secure coding practices, compliance, and financial regulations.
- Excellent communication and problem-solving skills.
- Residence in Madrid or willingness to relocate.
Nice to Have:
- Experience with Azure or other cloud platforms.
- Knowledge of microservices architecture and message queues (RabbitMQ, Kafka).
- Previous exposure to regtech, AML/KYC, or payment gateway integrations.