Software Engineer II

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
Software Engineer II
Our Purpose
We connect and power an inclusive digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data, networks, partnerships, and passion, our innovations help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our culture is driven by our Decency Quotient (DQ)-fostering inclusion, respect, and diversity. We believe our differences make us stronger-enabling better decisions, driving innovation, and delivering superior business outcomes.
Overview
The Mastercard Authentication Program owns how consumer authentication works across both in-store and e-commerce use cases. This role contributes to building and operating best-in-class authentication products such as ID Check, Token Authentication Service, and Token Authentication Framework, driving adoption, scale, and revenue growth.
This position sits at the intersection of Site Reliability Engineering, platform engineering, and release engineering, ensuring our platforms are scalable, resilient, secure, and production-ready across hybrid environments (Kubernetes, cloud, and on-prem).
Role Summary
As a Junior Full Stack Software Engineer, you will contribute to building scalable backend services using Java/Spring and modern user interfaces using Angular and Node.js within a distributed architecture. You will support end-to-end delivery including development, testing, deployment, and production support while adhering to engineering best practices for code quality, performance, and reliability. Working closely with cross-functional teams, you will help deliver production-grade solutions and continuously improve your skills across cloud platforms, DevOps practices, and observability. You will also leverage AI-assisted development tools to enhance productivity and support different phases of the SDLC.
Role - Key Responsibilities
In this role, you will:
Design, develop, and own Java-based backend services and REST APIs in a distributed architecture
Build and enhance UI applications using Angular and Node.js
Own end-to-end delivery: design, development, testing, deployment, configuration, and documentation
Ensure high-quality code through reviews, testing (unit/integration), and automation
Drive engineering best practices, including clean architecture, performance optimization, and resiliency
Troubleshoot complex production issues and perform root cause analysis across systems
Collaborate with cross-functional teams to deliver high-quality, scalable solutions
All About You - Must-Have Skills
Core Requirements
Strong hands-on experience in Java, Spring Boot, and REST APIs
Hands-on experience with Angular (2+) and Node.js
Experience building and maintaining scalable, production-grade applications
Core Engineering Skills
Strong problem-solving and debugging skills in distributed systems
Solid understanding of software design principles and best practices
Experience in test-driven development (unit, integration testing)
Strong communication and ability to collaborate across teams
Work experience of 3-5 years
Experience with cloud platforms (PCF, Kubernetes, AWS, or Azure)
Exposure to CI/CD pipelines and DevOps practices
Experience with observability tools (e.g., Splunk, logging, monitoring)
Exposure to AI tools for assisted development during SDLC phases
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.