# Senior Software Engineer at Mastercard

Mastercard is hiring a Senior Software Engineer in Atlanta, United States. Level rates it Little AI ●○○○; you can [apply on Level](https://jobsbylevel.com/go/454996c4-308d-4877-bf0e-a93b2b11dce2).

AI Level 1, AI centrality 11 out of 100. Atlanta, Georgia (675 Ponce De Leon Ave NE).

## Details

- Company: [Mastercard](https://jobsbylevel.com/companies/mastercard)
- AI level: AI Level 1 (score 11 out of 100)
- Location: Atlanta, Georgia (675 Ponce De Leon Ave NE)
- Posted: October 8, 2026
- Apply: https://jobsbylevel.com/go/454996c4-308d-4877-bf0e-a93b2b11dce2

## 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 Overview: The Small and Medium Enterprises (SME) Partnerships and Loyalty team is seeking a Senior Software Engineer to apply full-stack expertise in designing, building, deploying, and scaling real-time, interactive applications used by thousands of clients worldwide. The role involves a broad range of responsibilities, including front-end web development, server-side logic, and database management. The ideal candidate will be hands-on, with a strong focus on UI development, API integration, and building cloud-native solutions that operate at a global scale and handle high-volume workloads. In this role, you will work within an agile development methodology, collaborating with other technical delivery teams while mentoring junior engineers to deliver robust, high-quality solutions for new features and services. All team members contribute to the design, development, and testing of features. This is a hybrid position based in Atlanta, GA, with optional O’Fallon, MO, requiring three days per week onsite. Role: • Design, build, test, deploy, and enhance full-stack applications using Java, Spring Boot, React, Angular, PostgreSQL, SQL, NoSQL, and Snowflake. • Develop scalable microservices, REST APIs, and distributed systems that support real-time analytics, reporting, and data-driven applications. • Build intuitive, responsive, and high-performing user interfaces that transform complex data into meaningful insights and deliver exceptional customer experiences. • Translate business and product requirements into secure, scalable, maintainable, and testable software solutions. • Design, develop, and optimize database structures, queries, and data models for large-scale, data-intensive applications. • Apply strong software engineering principles, including object-oriented design, design patterns, data structures, algorithms, automated testing, code reviews, and CI/CD. • Collaborate with Product Managers, Architects, Engineers and other stakeholders across global teams to deliver customer-focused solutions. • Continuously improve application performance, reliability, security, observability, and operational excellence. • Contribute to Agile planning, estimation, prioritization, and delivery while taking ownership of technical outcomes. • Leverage AI-assisted development tools, including tools such as GitHub Copilot, to accelerate coding, refactoring, testing, debugging, documentation, code reviews, and other software development activities, with appropriate engineering judgment and human oversight. • Mentor team members, share technical knowledge, and help foster a culture of engineering excellence and continuous improvement. All About You: • Extensive experience developing enterprise-scale full-stack applications, with strong expertise across backend services, frontend development, and database technologies. • Extensive experience designing and developing Java applications, Spring Boot services, RESTful APIs, and microservices in enterprise environments. • Strong hands-on experience with React, Angular, JavaScript/TypeScript, and responsive web application development. • Proven experience designing and developing modern, responsive, and intuitive user interfaces that deliver engaging and effective user experiences. • Strong database design, data modeling, SQL, NoSQL, PostgreSQL, Snowflake, query optimization, and performance tuning skills. • Strong understanding of microservice architecture,

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/senior-software-engineer-at-mastercard-505d9b

Source: https://jobsbylevel.com/jobs/senior-software-engineer-at-mastercard-505d9b

## Cite this page

Level. https://jobsbylevel.com/jobs/senior-software-engineer-at-mastercard-505d9b.

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