Senior Software Engineer

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

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

Dynamic Yield under the Services Organization is looking for a Senior Software Engineer to join our Admin Infrastructure team, which focuses on building and maintaining both frontend and backend systems that power internal tools and developer experience. This team develops scalable web applications and services that enable product teams to deliver high-quality solutions efficiently.

Role

As a Senior Software Engineer, you will work across the stack, contributing to frontend frameworks, backend services, and infrastructure tools. You’ll help design and implement solutions that improve developer workflows, enhance admin capabilities, and ensure reliability and scalability of our internal platforms.

If you’re passionate about web application development, infrastructure, and creating tools that empower engineers — we’d love to hear from you!

All About You

• Full-stack expertise: Strong experience with modern frontend technologies (React, TypeScript, CSS-in-JS) and backend development using Node.js.
• Infrastructure focus: Familiarity with CI/CD pipelines, testing frameworks, linting tools, and component libraries (e.g., Storybook).
• Web application mindset: Ability to design and implement scalable, maintainable solutions for admin tools and internal platforms.
• Quality-first approach: Advocate for testing (unit, integration, E2E), accessibility, and clean, maintainable code.
• Collaboration: Strong communication skills and ability to work effectively with cross-functional teams.
• Continuous learning: Interest in exploring new technologies and improving processes.
  
  

• Experience: 7–8 years of software engineering experience, including both frontend and backend development.
• Proficiency in JavaScript/TypeScript and frameworks such as React, plus experience with Node.js services.
• Experience building scalable web applications and working with APIs.
• Familiarity with cloud environments and deployment pipelines.
• Strong attention to detail and commitment to delivering high-quality work.
  
  

• 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.