Software Engineer II

at  MasterCard

Our Purpose
We work 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. We cultivate a
culture of inclusion
for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.
Title and Summary
Software Engineer II
Job Description Summary
Mastercard Payment Gateway Service (MPGS) is on the lookout for a passionate and innovative Senior Frontend Developer with strong experience in React & Angular. As part of our agile and dynamic team, you will play a critical role in building and maintaining cutting-edge customer-facing solutions that are both scalable and secure. We are seeking someone who is enthusiastic about creating exceptional user experiences and driving the future of digital payments.

Key Responsibilities:

• Develop and maintain complex web applications using React.
• Collaborate with UI/UX designers and back-end developers to implement highly responsive and user-friendly interfaces.
• Optimize applications for maximum speed, scalability, and performance.
• Write clean, efficient, and maintainable code, following best practices in frontend development.
• Participate in code reviews and provide constructive feedback to team members.
• Identify and troubleshoot frontend issues, bugs, and performance bottlenecks.
• Stay up-to-date with the latest industry trends, tools, and technologies to ensure our solutions are cutting-edge.
• Mentor and guide junior developers, sharing knowledge and best practices.

Education (preferred):
Bachelor’s degree Computer Science (or related discipline)

Knowledge/Experience (preferred):

• Strong expertise in React , with a deep understanding of their ecosystems.
• Proven experience building complex web applications from scratch.
• Experience with TypeScript and modern frontend build tools (e.g., Webpack, Babel).
• Familiarity with RESTful APIs and asynchronous request handling.
• Experience with continuous integration/continuous deployment (CI/CD) pipelines.
• Strong understanding of version control tools (e.g., Git).
• Basic familiarity with Java programming.

Skills and Abilities:

• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills, with a focus on teamwork.
• High attention to detail and commitment to delivering high-quality user experiences.
• A proactive attitude and eagerness to learn and adapt in a fast-paced environment.

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.

Key Responsibilities:

• Develop and maintain complex web applications using React.
• Collaborate with UI/UX designers and back-end developers to implement highly responsive and user-friendly interfaces.
• Optimize applications for maximum speed, scalability, and performance.
• Write clean, efficient, and maintainable code, following best practices in frontend development.
• Participate in code reviews and provide constructive feedback to team members.
• Identify and troubleshoot frontend issues, bugs, and performance bottlenecks.
• Stay up-to-date with the latest industry trends, tools, and technologies to ensure our solutions are cutting-edge.
• Mentor and guide junior developers, sharing knowledge and best practices

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