# Software Engineer II at Mastercard

Mastercard is hiring a Software Engineer II. Level rates it Little AI ●○○○; you can [apply on Level](https://jobsbylevel.com/go/06899e68-46d9-4a32-b928-cf6692086182?utm_medium=ai-agent).

AI Level 1, AI centrality 36 out of 100. O'Fallon, Missouri.

## Details

- Company: [Mastercard](https://jobsbylevel.com/companies/mastercard)
- AI level: AI Level 1 (score 36 out of 100)
- Location: O'Fallon, Missouri
- Posted: October 12, 2026
- Apply: https://jobsbylevel.com/go/06899e68-46d9-4a32-b928-cf6692086182?utm_medium=ai-agent

## 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 Software Engineer II About the Role The Mastercard Operational Intelligence Program is engaged in developing innovative solutions through technology that keeps Mastercard positioned as a leader in delivering value-added business analytics and reporting solutions to our diverse customer base. We work collaboratively with our product partners and other technical teams to continuously improve and enhance our existing products and drive new products to the global marketplace. We are currently seeking a Software Engineer II to join the Mastercard Operational Reports NexGen development team to work on Enterprise Applications utilizing Java technology stacks and Angular/React front-end technologies. The successful candidate will contribute to the design, development, testing, deployment, and support of enterprise applications while applying software engineering principles to deliver scalable, secure, resilient, and maintainable solutions. This role will collaborate closely with cross-functional teams and contribute to continuous improvement initiatives that enhance application quality, reliability, and operational excellence. Role • Participate in the gathering and analysis of business requirements and translate them into scalable, maintainable, and secure software solutions. • Participate in application design discussions and contribute to software architecture, design patterns, component interactions, and technology standards under the guidance of senior engineers and technical leads. • Develop solutions that align with Mastercard Enterprise Architecture standards while leveraging enterprise services, frameworks, and reusable platforms. • Contribute to ensuring product development meets Mastercard's business, scalability, performance, security, and reliability requirements. • Follow Mastercard development methodologies, engineering standards, and documentation practices when designing and building software solutions. • Participate in code reviews to improve code quality, maintainability, security, consistency, and adherence to software engineering best practices. • Collaborate with team members, share knowledge, and seek guidance from senior engineers when addressing highly complex technical challenges. • Design, develop, and maintain unit, functional, integration, and automated tests to validate application functionality, system interactions, quality, and reliability. • Support continuous integration and continuous testing practices to improve software quality and release confidence. • Develop and maintain software solutions that support high availability, resiliency, operational readiness, and reliability objectives. • Respond to operational and business concerns related to applications, projects, and platform enhancements to ensure consistent delivery of quality services. • Investigate and resolve production, application, integration, and infrastructure issues using structured troubleshooting, root cause analysis, and corrective actions, escalating highly complex issues when appropriate. • Support compliance with required certifications and regulatory requirements, including PCI, GLBA, Safe Harbor, and other applicable standards. • Apply secure coding practices, security-by-design principles, and vulnerability prevention techniques throughout the software development lifecycle. • Identify and remediate application security vulnerabilities while ensuring alignment with Mastercard security standards and industry

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/software-engineer-ii-at-mastercard-74c892

Source: https://jobsbylevel.com/jobs/software-engineer-ii-at-mastercard-74c892

## Cite this page

Level. https://jobsbylevel.com/jobs/software-engineer-ii-at-mastercard-74c892.

Get job alerts: https://jobsbylevel.com/newsletter