Lead Software Engineer

Mastercard•O'fallon, MO

2d•$140,000 - $231,000•Onsite

About The Position

The Mastercard Developer Workbench, part of the MSBX (Mastercard Software Builder Experience) division, is evolving from a cost-allocation construct into a unified, developer-centric platform. With over 11,500 software engineers across the organization, Mastercard is investing in a dedicated product team to deliver an integrated, end-to-end developer experience. The Developer Workbench brings together five core MSBX products — BuildersHub, DevFlow, TestFlow, DevInsights, and Cloud DevEx — alongside cross-cutting tools including GitHub Copilot, Claude Code, and Docker Desktop. This is a rare opportunity to shape the future of how engineers at one of the world's leading technology companies build, test, and ship software.

Requirements

Proven track record as a technical leader among peers — known for raising the quality of the work around you through code reviews, design feedback, pairing, and shared ownership rather than through authority.
Strong background in software engineering, including hands-on work on platform engineering, developer tooling, or developer experience (DevEx) products at enterprise scale.
Demonstrated ability to decompose complex technical problems, communicate tradeoffs clearly to engineers at varying levels, and build shared understanding across a team.
Deep familiarity with the modern developer tooling ecosystem, including: AI coding assistants: GitHub Copilot, Claude Code, or similar; Containerization and desktop dev environments: Docker Desktop, Kubernetes, DevContainers; CI/CD and pipeline tooling: GitHub Actions, Jenkins, ArgoCD, or similar; Developer portals and inner-source platforms: Backstage, or similar
Experience working with AI-powered developer tools in a regulated enterprise environment, including a strong understanding of policy compliance, access controls, and responsible AI usage.
Deep command of developer experience (DevEx) principles and the ability to translate developer pain points into durable platform improvements — and to coach others in doing the same.
Experience designing and delivering pre-provisioned, standardized development environments at scale, with an ability to guide teammates through the tradeoffs involved.
Strong grasp of cloud platforms (AWS, Azure, GCP), infrastructure automation, and cloud-native development patterns.
Comfortable driving adoption through instrumentation, metrics, and feedback mechanisms — and helping others instrument their own work meaningfully.
Excellent written and verbal communication skills; able to facilitate technical alignment across engineering teams and articulate complex concepts to non-engineering stakeholders.
Fluent with software development productivity metrics (e.g., DORA metrics, onboarding time, tool adoption rates) and experienced at using data to steer technical decisions collaboratively.
Self-driven and effective in ambiguous, fast-evolving technology environments — able to unblock yourself and others without waiting for full clarity.
Strong command of Agile/Scrum methodologies and SDLC best practices, with a track record of raising process maturity within engineering teams.

Responsibilities

Serve as a technical anchor on the team — setting the bar for engineering quality, driving architectural decisions, and providing hands-on guidance to fellow engineers across the platform.
Design, build, and maintain core components of the Developer Workbench platform across the full development lifecycle, while actively supporting teammates in doing the same.
Lead the technical direction and roadmap of the Developer Workbench, driving its evolution from a chargeback mechanism into a cohesive, productized developer experience — and bringing the engineering team along through clear technical reasoning and collaborative decision-making.
Own and advance the integration of software engineering tools across the development lifecycle, establishing patterns and practices the team can build on consistently.
Lead the governance of the "birthright and optional tooling" catalogue — driving version lifecycle management, tool evaluations, and deprecation of redundant solutions in close coordination with engineering stakeholders.
Partner with product owners, platform teams, and engineering stakeholders to align workbench capabilities with organization-wide engineering priorities, acting as a technical voice in cross-functional discussions.
Lead the design and delivery of developer enablement features — onboarding flows, self-service tooling, feedback integrations — and help the broader team understand and extend these systems effectively.
Architect and oversee the implementation of pre-provisioned onboarding environments that enable new hires to be productive within 30 minutes of day one.
Drive the adoption and advancement of AI-augmented development capabilities including agentic coding tools, code assistants, and automated quality pipelines — acting as a technical authority and enabler for the team.
Define and champion meaningful instrumentation and metrics that surface developer productivity, satisfaction, and platform health across the organization.
Engage across engineering, security, and compliance teams to ensure tooling implementations meet Mastercard's security and regulatory requirements, and help teammates navigate those constraints effectively.
Actively contribute to and help lead the Software Engineering Guild — sharing deep technical expertise, elevating engineering standards, and mentoring engineers across the organization.

Benefits

insurance (including medical, prescription drug, dental, vision, disability, life insurance)
flexible spending account and health savings account
16 weeks of new parent leave
up to 20 days of bereavement leave
80 hours of Paid Sick and Safe Time
25 days of vacation time
5 personal days
10 annual paid U.S. observed holidays
401k with a best-in-class company match
deferred compensation for eligible roles
fitness reimbursement or on-site fitness facilities
eligibility for tuition reimbursement