Senior Software Engineer

About the role

This role sits within Mastercard’s Open Finance Europe – Connectivity team, responsible for building and operating scalable API integrations with financial institutions across Europe. As a Senior Software Engineer, you will be a key hands-on contributor responsible for designing, building, and operating secure, reliable backend services.

What you'll do

• Design, develop, test, and support scalable APIs and backend services
• Contribute to system design decisions with a focus on scalability, resilience, and performance
• Deliver high-quality, production-ready code across the full software development lifecycle
• Troubleshoot and resolve production issues, ensuring system stability and reliability
• Participate in code reviews and uphold engineering best practices and standards

What you need

• 5–8 yrs of experience
• REST APIs
• System design
• AWS
• Microservices
• C#
• .NET
• Any graduate

Good to have

• Git
• Java
• Spring Boot
• Incident response
• PostgreSQL
• Redis