M
Mastercard
Lead Software Engineer (Commercial Connect API Team)
Skills
SQL QueriesDockerJavaMicroservicesSpring BootPostgreSQLGitAIAWSKubernetesWorkdayOracleComplianceAzure
21 hours ago
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Important information
Contract type:
Permanent
Location:
Ireland
Work mode:
Onsite
Published on:
22 October 2026
What they need
- Mastercard is seeking a Lead Software Engineer to join our growing Commercial Connect API team
- This team is building a global B2B technology platform that empowers businesses of all sizes to manage payments more efficiently when buying or selling products and services
- As a lead engineer, you’ll be part of a collaborative Agile team working in a cutting-edge Mastercard technology hub
- You will apply modern software engineering development practices with a strong emphasis on microservices architecture and scalable database development
- Your contributions will help shape how Mastercard standardizes, automates, and optimizes digital payments across the global B2B landscape
- Lead the design, development, and deployment of high-quality Java microservices that integrate with modern front-end frameworks and third-party applications
- Contribute to all phases of the SDLC including planning, coding, testing, reviews, and delivery
- Collaborate closely with engineers, product managers, TPMs, and test engineers to align technical and business goals
- Perform code reviews, submit pull requests, and support continuous improvement
- Ensure adherence to Mastercard’s engineering best practices and compliance with enterprise security, operations, and architecture standards
- Optimize application performance and reliability for large-scale, high-traffic systems
- Apply AI-assisted engineering opportunities across the SDLC, including code generation, test automation, and troubleshooting- Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly and concisely to both technical and non-technical stakeholders
- Bachelor’s degree in Computer Science, Engineering, or a related field. Equivalent practical experience will be considered
- Experience with CI/CD practices, containerization (Docker, Kubernetes), DevOps practices, automated testing, and version control using Git
- Experience working in an Agile development environment
- Hands-on experience with cloud platforms such as AWS or Azure
- Proven expertise in designing and developing secure, scalable microservices that handle high traffic volumes, with a strong knowledge of microservices architecture, RESTful API design, and integration patterns
- Advanced SQL knowledge with databases like PostgreSQL, Oracle, etc., and experience building solutions that scale
- Strong experience developing backend applications using Java and Spring Boot
- Extensive experience as a backend Software Engineer or Software Developer in a fast-paced, collaborative environment
- Strong analytical and problem-solving abilities, with a focus on improving processes to accelerate delivery, foster innovation, reduce costs, and improve quality
- Experience using AI-assisted development tools to improve engineering productivity, accelerate analysis, and generate test coverage
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