Sr. Web Developer (Full Stack)

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 Sr. Web Developer (Full Stack) Role Title: Senior Web Developer (Full Stack) Location: Pune, India ________________________________________ About Mastercard Mastercard is a global technology company in the payments industry. Our mission is to power an inclusive, digital economy that benefits everyone, everywhere—by making transactions safe, simple, smart, and accessible. Through secure data, trusted networks, partnerships, and innovation, we help individuals, businesses, financial institutions, and governments realise their greatest potential. Our culture is rooted in our Decency Quotient (DQ)—guiding how we build products, collaborate with one another, and create positive impact inside and outside the company. ________________________________________ Technology at Mastercard Technology is at the heart of everything we do. What we build today shapes the future of global commerce—making it more connected, inclusive, secure, and resilient. We operate at massive global scale and are looking for leaders who thrive in complex environments, care deeply about engineering excellence, and can translate business objectives into reliable, high quality platforms and user experiences. ________________________________________ About the Role We are hiring two Senior Web Developers (Full Stack) to help design, build, and operate modern, secure, and scalable web applications. You will be a hands-on engineer working closely with the Lead, Product, UX, QA, and DevOps/SRE to deliver customer-facing and internal platforms with high standards for performance, reliability, accessibility, and maintainability. Key Responsibilities • Deliver end-to-end features across the stack using Java (Spring Boot) and/or Python (Django/DRF) on the backend and React/Next.js with TypeScript on the frontend. • Design and implement well-structured, well-tested backend services, including business logic, integrations, data access layers, and API endpoints. • Build responsive, accessible UI components and pages; apply modern UI patterns, state management (e.g., Redux), and performance best practices. • Design and consume RESTful APIs with strong contracts (versioning, backward compatibility, error handling) and clear documentation. • Write automated tests (unit/integration and UI where applicable) and contribute to quality gates in CI/CD to prevent regressions. • Troubleshoot production issues using logs/metrics/traces; participate in on-call or support rotations as needed, and contribute to runbooks and operational readiness. • Apply secure coding practices: input validation, authN/authZ checks, dependency hygiene, secrets management, and proactive vulnerability remediation. • Contribute to engineering excellence: code reviews, refactoring, reducing technical debt, improving developer experience, and sharing reusable components/patterns. • Work collaboratively with Product/UX to clarify requirements, estimate work, manage trade-offs, and deliver iteratively. • Mentor junior engineers through pairing, reviews, and knowledge sharing; promote team standards and best practices. Required Skills & Technical Proficiency Backend & APIs • Strong hands-on experience in Java + Spring Boot (preferred) and/or Python + Django/DRF. • Strong knowledge of REST API design, authentication/authorisation patterns, and integration with external services. • Experience with SQL and relational databases; ability to design schemas and optimise queries. • Familiarity with cac ... (truncated, view full listing at source)