Company Careers ·
full-timeSenior Software Engineer – Integrations & API Connectivity
Mastercard · Navi Mumbai, India (Finicity)
Mastercard operates as a global technology company that powers an inclusive digital economy, enabling secure and seamless transactions across more than 200 countries. The Senior Software Engineer – Integrations & API Connectivity role is based in Mastercard’s Open Finance Europe – Connectivity team in Navi Mumbai, where the focus is on building and operating scalable API integrations with financial institutions across Europe. Day‑to‑day responsibilities include designing, developing, testing and supporting backend services and APIs, contributing to system design decisions with emphasis on scalability, resilience and performance, delivering production‑ready code through the full software development lifecycle, troubleshooting and resolving production issues, participating in code reviews, implementing testing strategies (unit, integration, end‑to‑end), collaborating with product, architecture, security and SRE teams, and improving observability, automation and operational efficiency. The role suits candidates with three to five years of professional software engineering experience, strong hands‑on expertise in cloud‑based distributed backend systems, solid API development skills, a structured approach to complex problem solving, familiarity with SDLC, testing and secure coding practices, and the ability to own and deliver components independently. Preferred background includes payments, banking or Open Banking (PSD2) environments, microservices architectures, observability and incident response, and exposure to AI‑assisted development tools.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer – Integrations & API Connectivity Overview Mastercard is a global technology company powering an inclusive, digital economy, enabling secure and seamless transactions across 210+ countries. 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. You will work on complex engineering problems, contribute to system design decisions, and deliver high-quality solutions that operate at scale in production environments. Role-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 • Implement effective testing strategies (unit, integration, end-to-end) • Collaborate with cross-functional teams including Product, Architecture, Security, and SRE • Improve observability, automation, and operational efficiency across services Technology Stack • Backend: C#, .NET, Web APIs • Cloud: Azure (App Services, KeyVault, Blob Storage), AWS (S3, Redis, Microservices) • Data: PostgreSQL, Flyway • Practices: CI/CD pipelines, observability, secure development • Plus: Java / Spring Boot, AI-assisted tools (e.g., GitHub Copilot) All about you-What You Bring - Required • 3-5 years of professional software engineering experience • Strong hands-on experience building cloud-based, distributed backend systems • Solid expertise in API development, scalability, and production support • Ability to solve complex technical problems with a structured, pragmatic approach • Strong understanding of SDLC, testing practices, and secure coding principles • Proven ability to own and deliver components/services independently • Strong collaboration and communication skills Preferred • Experience in payments, banking, or Open Banking (PSD2) environments • Experience working with microservices architectures • Familiarity with observability, monitoring, and incident response practices • Exposure to AI-assisted development tools (e.g., GitHub Copilot) Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard’s security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.
| Role | Senior Software Engineer – Integrations & API Connectivity |
|---|---|
| Company | Mastercard |
| Location | Navi Mumbai, India (Finicity) |
| Type | full-time |
| Compensation | Not disclosed |
| Posted | 2026-10-01 |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
Before you apply
0/4Senior Software Engineer – Integrations & API Connectivity at Mastercard: frequently asked questions
- What is the salary for this role?
- Mastercard has not stated compensation in the listing. Check the original posting or ask during the application process.
- Is the Senior Software Engineer – Integrations & API Connectivity position remote, hybrid or onsite?
- The listing gives Navi Mumbai, India (Finicity) as the location and does not state a work mode.
- What is the application deadline?
- Mastercard has not listed a fixed deadline, so apply early in case the opening is filled.
- How do I apply for the Senior Software Engineer – Integrations & API Connectivity role?
- Use the Apply button on this page. It opens the original listing on mastercard.wd1.myworkdayjobs.com, where you submit your application with the company.
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