Senior Software Engineer – Integrations & API Connectivity

Mastercard is seeking a Senior Software Engineer specializing in Integrations and API Connectivity to join their Open Finance Europe – Connectivity team in Navi Mumbai. In this role, the engineer will be responsible for designing, developing, testing, and supporting scalable APIs and backend services. Daily tasks will include troubleshooting production issues, participating in code reviews, and collaborating with cross-functional teams such as Product, Architecture, Security, and Site Reliability Engineering (SRE). The position requires proficiency in C#, .NET, and Web API technologies, with a focus on creating high-quality, production-ready code. Candidates should have experience in system design with an emphasis on scalability, resilience, and performance. The role is suited for individuals who are hands-on contributors and can effectively implement testing strategies across the software development lifecycle. While the advert does not specify the employment type or working arrangement, it highlights the importance of improving operational efficiency and observability in services. This position is ideal for those looking to tackle complex engineering challenges in a dynamic environment.