Lead Software Engineer-1

requirements for new applications and customizations, adhering to standards, processes, and best practices Ensure quality of one or more application codebases and alignment with development standards Applies technical capabilities within own discipline to coach and develop junior employees Designs highly complex applications, interfaces and integrations Integrates at an enterprise level using third-party middleware or messaging products, or by designing and implementing custom interfaces and mapping for those interfaces Responsible for performance engineering of the enterprise software architecture, and providing functional guidance, advice, and/or training to other application developers Software development, code reviews and day-to-day support duties Group-wide and external public speaking and other communications conveying domain level directions Researching and evaluating tools to support domain-specific needs Skills • Hands-on experience with AI-assisted tools such as Claude Code, Git Hub Copilot, and Codex for requirements analysis, solution design, code generation, review, documentation, test automation, and troubleshooting. • Ability to configure reusable AI workflows using AGENTS.md, custom skills, sub-agents, prompt patterns, context management, and project-specific instructions. • Knowledge of agentic workflows, including multi-agent orchestration, tool integration, human-in-the-loop controls, LLM evaluation, guardrails, and responsible AI practices. • Ability to validate AI-generated outputs for correctness, security, quality, maintainability, compliance, and production readiness. • Experience integrating AI workflows into Git-based development, automated quality gates, CI/CD pipelines, observability, and cloud-native deployment. Proficiency with Java JDK 17 or greater. Knowledge of Tomcat, Spring, Spring Boot, Shell Scripting, JSON. Experience with Docker, Kubernetes or other container orchestration solutions. Expertise in Junit or other automated unit testing frameworks. Knowledge of CI/CD principles and tools such as Jenkins, Gradle, Maven. Knowledge of Source Control Management and working with code in a multi-developer Experience with a UI framework such as Angular a plus All About You The ideal candidate for this position should: Loves creating innovative solutions to problems in a collaborative fun environment Advanced knowledge and understanding of modern software engineering concepts and methodologies Passionate about software development and comfortable in a fluid environment Passionate about code quality and coding best practices Show initiative and demonstrate a willingness to take on challenging opportunities Excellent communication (verbal and written) and strong collaboration skills Must be driven, highly motivated and a strong team-player Interested in mentoring and helping grow the skills of the next generation of software developers 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. Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.