
Description
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 Developer, Spring Boot) Key Skills:Core Java (8/11/17) – Strong fundamentals in object-oriented programming, multi-threading, and exception handling
Spring Boot – REST APIs, Spring Data JPA, Spring Security, Spring Cloud
Microservices Architecture – Design, development, deployment, and orchestration
Cloud Platforms – AWS / Azure / GCP (any exposure to cloud-native services preferred)
API Standards – OpenAPI / Swagger / JSON / YAML
Build & Deployment – Maven/Gradle, Jenkins, CI/CD pipelines
Quality & Automation – Unit Testing (JUnit/TestNG), Code Coverage (Jacoco/SonarQube), Integration Testing
Performance Optimization – Profiling, load testing, async processing, caching strategies
DevOps & Monitoring Tools – Docker, Kubernetes, ELK stack, Prometheus, Grafana
Responsibilities:
Design & Development:
Design, develop, and deploy high-performance, scalable Java-based microservices
Implement and maintain REST APIs following OpenAPI/Swagger standards
Follow API-first and Cloud-native design principles
Quality Engineering & Best Practices:
Analyze code review reports, ensure adherence to clean code principles and coding standards
Drive adoption of automated unit tests, integration tests, and contract tests
Measure and improve code coverage, performance benchmarks, and API reliability
Automation and Testing:
Develop and extend automation frameworks for both API and integration-level testing
Support BDD/TDD practices across development teams
Integrate testing pipelines into CI/CD workflows
Performance, Scalability & Monitoring:
Design for performance tuning, scalability, asynchronous processing, and fault tolerance
Contribute to setting up monitoring and alerting dashboards for production systems
Collaboration and Mentoring:
Work closely with DevOps, Product Owners, and QA teams for feature delivery
Mentor junior developers, conduct code walkthroughs, and lead design discussions
Participate in technical design reviews, architecture discussions, and production issue triaging
Preferred Experience:
5+ years of hands-on Java development experience
Deep understanding of Microservices design patterns, API Gateways, and service discovery
Exposure to Cloud deployment models like AWS ECS/EKS, Azure AKS, or GCP GKE
Proficiency with Git, Jenkins, SonarQube, and containerization (Docker/Kubernetes)
Experience working in Agile/Scrum teams
Exposure to Observability tools: ELK stack, Prometheus, Grafana (Preferred but not mandatory)
Good to Have:
Experience with API security standards (OAuth2, JWT)
Exposure to event-driven architecture using Kafka or RabbitMQ
Knowledge of Infrastructure as Code (IaC) tools like Terraform or CloudFormation
Familiarity with performance testing tools like JMeter, Gatling, etc.
Behavioral Traits:
Ownership-driven mindset with a passion for building scalable backend systems
Strong communication skills to coordinate across multi-functional teams
Ability to dive deep into technical problems and deliver solutions under tight deadlines
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.
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