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Lead Software Engineer

O'Fallon, Missouri, US💼 Full-time🗓 2026-09-28 → 2026-09-29

Core

Lead a team to deliver the next generation of Mastercard's global transaction settlement platform.

Role type

Senior IC Lead Software Engineer (Settlement Platform)

Builds

Scalable, secure, high-performance settlement platform for global transactions

Domain

Fintech / Payments / Distributed Systems

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, Microservices, System Design, Distributed Systems, Kubernetes, CI/CD, Performance Engineering, Security, Code Review, Mentoring

Preferred skills

Chaos Engineering, AWS, Terraform, Splunk, Oracle/SQL, Full-stack development

Technologies

Java, Spring Boot, Hibernate, Kubernetes, Docker, Pivotal Cloud Foundry, Oracle, PostgreSQL, Redis, AWS, Terraform, Jenkins, Gatling

Responsibilities

Lead end-to-end software design and architecture; Drive engineering excellence in coding standards and modular design; Define and implement comprehensive testing strategies; Lead performance engineering initiatives; Enforce secure coding practices; Serve as senior escalation point for complex production issues; Mentor engineers and elevate team capability

Seniority

Senior, hands-on IC with team leadership

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