Full Stack Lead Software Engineer

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
Full Stack Lead Software Engineer
Overview
Who We Are - Mastercard
Mastercard is a global technology company in the payments industry, operating in over 210+ countries and territories. Our mission is to power an inclusive, sustainable, digital economy that benefits everyone, everywhere - by making transactions safe, simple, smart, and accessible.
We harness secure data, world-class networks, deep partnerships, and relentless innovation to help individuals, financial institutions, businesses, and governments reach their greatest potential.
Our culture is guided by our Decency Quotient (DQ) - a core value that influences every decision we make and how we treat all who rely on us.
About AI & Decision Product Enablement (AI&DPE)
AI & Decision Product Enablement (AI&DPE) is Mastercard's innovation engine for AI-driven decisioning at global scale.
We build and enhance the platforms that power real-time intelligence across Mastercard's network - enabling:• Millisecond-latency decisioning• Resilient, highly available global services• Hundreds of AI models• Hundreds of thousands of business rules• 0 50+ market-facing products across Mastercard Services
Products that protect revenue, mitigate fraud, and empower customers worldwide
AI&DPE teams ensure Mastercard delivers industry-leading agility, intelligence, resiliency, and scalability in every product we build.
Role:
This role involves working with a team of talented developers to develop high performance, high volume solutions. You will be responsible for:• Lead the end-to-end delivery of blueprint-driven capabilities into scalable production services. • Drive technical direction, engineering standards, and cross-team execution while remaining hands-on for critical components and architecture decisions.
What you'll do (Key responsibilities):• Lead end to end design and delivery of full stack solutions with a strong focus on architecting complex React-based UI applications (Java Spring Boot + React)• Define and drive API contracts, service integrations, and UI interaction patterns across teams• Set technical direction for microservices, CI/CD, observability, security, and performance standards.• Architect and deliver scalable microservices, including service boundaries, data models, and resiliency patterns• Lead development of performant, reusable, and maintainable UI components and frontend architectures• Set technical direction for CI/CD, observability, security, performance, and engineering standards• Mentor engineers through design reviews, code reviews, and technical coaching; raise overall engineering quality• Own operational excellence across services and UI applications: capacity planning, resiliency, release governance, and production readiness• Partner with product, architecture, and cross-functional stakeholders to ensure solutions meet enterprise requirements (security, scalability, performance)• Drive continuous improvement in automation, testing strategy, developer experience, and reduction of defects and operational toil
Ways of working:• Acts as a multiplier: unblocks teams, drives alignment, and creates clarity in complex delivery contexts.• Strong stakeholder management and crisp communication for technical and non-technical audiences.• Sets a high bar for engineering rigor while maintaining a pragmatic, delivery-focused mindset
Typical Deliverables:• Architecture decisions (ADRs), full-stack reference patterns, and service/UI design guidelines• Cross-team delivery plans with clear dependencies and risk mitigation• Production readiness standards and reliability improvements• Measurable improvements in engineering quality, velocity, and system stability
All About You• Must be high-energy, detail-oriented, proactive and have the ability to function under pressure in an independent environment. • Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results. • Possesses strong communication skills -- both verbal and written - and strong relationship, collaborative skills and organizational skills. • Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project team.• Deep knowledge of software development processes including agile processes and test-driven development.• Experience with the design and development of complex, multi-tier full stack software solutions.
Core technical requirements (must-have):• Strong experience with React (functional components, hooks)• Experience with modern JavaScript / TypeScript• Experience designing scalable UI architectures and reusable component patterns• Strong experience defining and implementing API-driven UI integrations• A wide breadth and depth of knowledge using Java (11+) and Spring Boot / Spring. Including Web Services - REST/XML/JSON• Strong Linux and shell scripting• Oracle & PL/SQL and advanced SQL scripting• Strong testing experience across:• Backend (JUnit, Mockito)• Frontend (Jest, React Testing Library, Playwright or equivalent)• Experience designing and building scalable microservices and distributed systems• Strong understanding of API design, data modelling, and service resiliency• Advanced CI/CD leadership: pipeline design, policy-as-code, automated compliance checks, and deployment strategies at scale.• Proven ability to drive engineering quality: architecture reviews, design standards, reliability practices, and secure coding patterns.• Strong experience leading delivery across multiple teams and managing dependencies• Proven track record improving engineering quality, standards, and delivery outcomes• Strong production ownership: SLOs, on-call readiness, performance engineering, cost optimization, and operational metrics.• Experience with monitoring service performance• Experience with visual design tools (Visio, Confluence Gliffy, etc.)
Nice to have:• Messaging - MQ and JMS• Experience integrating vendor and open source products into an overall system• Experience working with containerised environments, such as Kubernetes/OpenShift/CloudFoundry• Experience with integration frameworks such as Apache Camel/Spring Integration• Experience implementing or contributing to design systems or shared UI component libraries• Experience leading platform or shared service teams• Domain experience in payments, fraud, or high-compliance enterprise environments• Experience influencing stakeholders and driving cross-organizational alignment
Success measures (example):• Multiple blueprint-driven capabilities delivered predictably across teams.• Reduced operational toil and improved SLO attainment for owned services.• High engineering quality bar (review throughput, test coverage, design consistency).• Clear technical direction adopted by teams; scalable patterns for agentic systems in production.
Experience level (guidance):
Typically 8-12+ years with demonstrated technical leadership, architecture ownership, and large-scale production delivery.
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.