Senior Software Engineer – Integrations & API Connectivity

Mastercard

3–5 yrs Navi Mumbai Full Time Hybrid (office + remote)
Mastercard logo
Posted : today
Actively hiring

Job description

Join Mastercard, a global leader powering an inclusive digital economy across 200+ countries. This role is within our Open Finance Europe – Connectivity team, focused on building and managing scalable API integrations with financial institutions. You'll be a key contributor, designing, developing, and operating secure, reliable backend services that handle complex engineering challenges and deliver high-quality solutions at scale.

Responsibilities

Design, develop, test, and support robust APIs and backend services. Contribute significantly to system design decisions, emphasizing scalability, resilience, and performance. Deliver production-ready code throughout the software development lifecycle, ensuring system stability by troubleshooting and resolving production issues. Uphold best practices through code reviews and implement comprehensive testing strategies. Collaborate effectively with Product, Architecture, Security, and SRE teams, while enhancing observability, automation, and operational efficiency.

Qualifications

We seek a Senior Software Engineer with 3-5 years of professional experience in building cloud-based, distributed backend systems. Essential skills include strong API development expertise, a solid understanding of scalability, and proven production support capabilities. You should possess a pragmatic approach to solving complex technical problems, a strong grasp of the SDLC, testing practices, and secure coding principles. The ability to independently own and deliver components/services, coupled with excellent collaboration and communication skills, is crucial.

Essential Skills

C#.NETAPI DevelopmentAzureAWSWeb APIsPostgreSQLCI/CD PipelinesSDLCSecure CodingObservabilityAutomationProduction SupportCode ReviewUnit TestingIntegration TestingEnd-to-End TestingCollaborationCross-functional TeamworkInformation Security

Good to Have

Spring BootPayments Industry KnowledgeMicroservices ArchitectureObservability ToolsMonitoring ToolsIncident Response ToolsAI-assisted Development

Highlights

  • Actively hiring

More Details

RoleSenior Software Engineer – Integrations & API Connectivity
IndustryFinancial Services
DepartmentSoftware Development
Employment TypeFull Time, Hybrid (office + remote)

About the Company

MasterCard logo

MasterCard

Financial Services

Senior Software Engineer – Integrations & API Connectivity at Mastercard | SkillMX | SkillMX