Senior Software Engineer (Java Full Stack Developer)

Our Purpose

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.

Title and Summary

Senior Software Engineer (Java Full Stack Developer)

Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview:
We are looking for a highly skilled and experienced Senior Software Engineer to join our Loyalty Rewards team. In this role, you will lead the design, development, and implementation of next-generation regional and global platforms. You will work on complex, scalable, and innovative solutions, collaborating closely with cross-functional teams to drive technical excellence and deliver high-quality products. Your contributions will be critical to the platform’s scalability, performance, and strategic growth.
Role:
1. Architectural Design: Lead the design and implementation of scalable and maintainable software solutions using Java, Spring Boot, and microservices architecture.
2. System Design: Collaborate with cross-functional stakeholders to define requirements and architect robust, future-ready solutions.
3. Microservices Development: Build modular and resilient microservices using Spring Boot, RESTful APIs, and asynchronous messaging patterns.
4. Cloud Integration: Design cloud-native solutions on platforms like AWS, Azure, or GCP, leveraging their managed services effectively.
5. Performance Optimization: Analyze system performance, identify bottlenecks, and implement optimizations to improve throughput and responsiveness.
6. Security and Compliance: Ensure secure coding practices, implement access controls, and ensure alignment with industry compliance standards.
7. Code Quality & Review: Conduct and participate in code reviews, enforce coding standards, and collaborate on automated testing and QA strategies.
8. Documentation & Knowledge Sharing: Maintain detailed technical documentation and proactively share knowledge with the wider team.
9. Innovation & R&D: Stay up to date with emerging technologies and industry trends. Evaluate and introduce tools and practices that improve productivity and product value.
Required Skills & Abilities:
1. Strong command over Java and the Spring ecosystem (Spring Boot, Spring Data, JPA, Hibernate).
2. Deep understanding of microservices design patterns, principles, and challenges.
3. Hands-on experience with cloud platforms like PCF, AWS, Azure, or GCP.
4. Proficient in working with Oracle/PostgreSQL databases, caching solutions, and distributed systems.
5. Experience with front-end frameworks like Angular, React, or Vue.js.
6. Familiarity with DevOps, CI/CD pipelines, and deployment automation tools.
7. Understanding of reactive programming and event-driven architecture.
8. Knowledge of Domain-Driven Design (DDD) and microservices observability tools (logging, monitoring, tracing).
9. Strong problem-solving, analytical, and communication skills.
10. Ability to drive technical initiatives and thrive in a collaborative Agile Scrum environment.
All About You:
1. Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent practical experience).
2. 7–8+ years of hands-on experience in backend development, preferably with Java and Spring Boot.
3. Proven track record in building cloud-native, enterprise-grade applications.
4. Experience with Test-Driven Development (TDD) and a strong understanding of Agile methodologies.
5. A strong sense of ownership and a passion for delivering clean, efficient, and well-tested code.

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.