Lead Software Engineer
AI summary of the role
Lead Software Engineer role within Mastercard's Builders Enablement Program (ONE Division), focused on designing and building internal developer platforms with data-driven UIs.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Lead end-to-end software design and architecture for scalable, reliable, and maintainable solutions
- Build and enhance internal developer platforms using Backstage or similar frameworks with plugin-based architectures
- Develop data-driven user interfaces that surface observability and operational insights
- Define and implement comprehensive testing strategies including unit, integration, and functional/end-to-end testing
What you’ll bring
- Extensive experience in software development and system design with ownership of large-scale distributed systems
- Proficiency in modern programming languages (Java, C#) and frontend development using React and TypeScript
- Experience building internal developer platforms (Backstage or similar)
- Hands-on experience with AWS, Kubernetes, and cloud-native technologies
Technologies
React · TypeScript · Java · C# · Backstage · AWS · Kubernetes · Terraform · CloudFormation · Splunk
About Mastercard
Global payments network connecting issuers, acquirers, merchants, fintechs, and governments, layered with fraud, data, consulting, money movement, and digital-authentication services.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
potential. About the Role Within Mastercard’s Builders Enablement Program (ONE Division), we are building a standardized, secure, cloud first software delivery ecosystem and delivering a world class developer experience. We are seeking a Lead Software Engineer to design, build, and advance internal developer platforms through modern, data-driven user interfaces. This role requires deep technical expertise, end-to-end ownership, and the ability to lead complex engineering initiatives across architecture, development, and operations. Role Software Design & Architecture: • Lead end-to-end software design and architecture, translating business and system requirements into scalable, reliable, and maintainable solutions • Define high- and low-level design artifacts, including APIs, data models, system interactions, and component boundaries • Establish and enforce architecture standards,
More from the job description
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 Lead Software Engineer Overview Mastercard is a global technology company in the payments industry, focused on powering an inclusive, digital economy that makes transactions safe, simple, smart, and accessible. Using secure data and networks, our innovations enable individuals, financial institutions, governments, and businesses worldwide to realize their greatest potential. About the Role Within Mastercard’s Builders Enablement Program (ONE Division), we are building a standardized, secure, cloud first software delivery ecosystem and delivering a world class developer experience. We are seeking a Lead Software Engineer to design, build, and advance internal developer platforms through modern, data-driven user interfaces. This role requires deep technical expertise, end-to-end ownership, and the ability to lead complex engineering initiatives across arch [... source excerpt omitted ...] esting • Embed automated testing within CI/CD pipelines to enforce quality gates and prevent regressions • Ensure systems meet correctness, reliability, and backward compatibility requirements at scale Performance Engineering: • Lead performance engineering initiatives, including system benchmarking, load testing, and capacity planning • Analyze system bottlenecks and optimize latency, throughput, and resource utilization across distributed architectures • Ensure applications meet strict performance SLAs in high-volume, mission-critical environments Secure Coding & Compliance: • Enforce secure coding practices and integrate security into every phase of the SDLC • Design systems t [... source excerpt omitted ...] ments • Partner with security teams to proactively identify and remediate vulnerabilities Troubleshooting & Incident Management: • Serve as a senior escalation point for complex production issues across distributed systems and user-facing platforms • Lead root cause analysis, incident resolution, and postmortem activities • Drive systemic improvements to prevent recurring issues and improve system reliability Code Review & Technical Leadership: • Lead rigorous code reviews, ensuring adherence to best practices in design, performance, security, and maintainability • Mentor engineers and elevate team capability in software design, testing, debugging, and operational excellence •
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