Senior Software Engineer
About The Position
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. As part of a fast-paced team building authentication and security solutions, you will help design and deliver secure, scalable, and high-performing software for Mastercard’s Identity Solutions platform. As a Senior Software Engineer, you’ll take ownership of complex technical work, contribute to design and architecture decisions, and support the team in delivering reliable, production-ready systems. You’ll collaborate closely with product, security, and platform teams to build solutions that meet both business and technical needs.
Requirements
- Experience building RESTful services using Java and Spring Boot
- Strong experience designing scalable systems using modern software design and architecture principles
- Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes)
- Proven ability to work independently on complex technical problems and support team outcomes
- Experience writing and maintaining unit, functional, and integration tests
- Strong understanding of performance engineering (analyzing and optimizing systems at scale)
- Expertise in secure coding practices and vulnerability management
- Experience leading and contributing to code reviews and engineering standards
- Strong troubleshooting and root cause analysis skills in complex environments
- Solid understanding of data structures and their impact on performance and scalability
- Experience building systems with strong operability, monitoring, and reliability practices
- Experience working in Agile/Scrum environments and collaborating across teams
- Strong communication and collaboration skills, with the ability to influence technical decisions
- Experience mentoring or supporting other engineers
- Bachelor’s degree or equivalent experience
Nice To Haves
- Knowledge of event-driven architectures (Kafka or similar)
- Experience in high-throughput or regulated environments (payments, banking, fintech)
- Exposure to AI/automation tools within software development workflows
Responsibilities
- Design, build, test, deploy, and maintain scalable, cloud-native applications and microservices
- Develop REST APIs using Java and Spring Boot, focusing on performance, scalability, and reliability
- Translate requirements into well-structured designs and architecture, ensuring maintainability and security
- Lead and contribute to system design discussions, aligning with architectural standards and best practices
- Write and maintain unit, functional, and integration tests to ensure quality and reliability
- Drive improvements in test automation, code coverage, and system reliability
- Analyze and optimize system performance, scalability, and efficiency
- Apply secure coding practices and lead vulnerability remediation efforts (CVE remediation, upgrade automation)
- Perform and lead code reviews to improve code quality, maintainability, and adherence to standards
- Troubleshoot and resolve complex production issues using structured problem-solving and root cause analysis
- Ensure systems are built with strong operability (monitoring, logging, reliability, support readiness)
- Contribute to CI/CD pipelines and engineering practices that improve delivery speed and quality
- Collaborate across teams (product, QA, platform) to deliver high-quality solutions
- Mentor junior engineers and support knowledge sharing across the team
- Contribute to a culture of continuous improvement, accountability, and collaboration
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
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What This Job Offers
Job Type
Full-time
Career Level
Senior
