Software Engineer II
<p><span><b>Our Purpose</b></span></p><p></p><p><i>Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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.</i></p><p></p><p><b>Title and Summary</b></p><h3></h3><p></p>Software Engineer II<h3></h3><p style="text-align:inherit"></p>Overview:<br>The Infrastructure Design Engineering Automation (IDEA) team at Mastercard is looking for a Software Engineer II with a focus on front-end development to join as a hands-on individual contributor.<br>In this role, youll work on well-defined problems while contributing to scalable, user-focused solutions. Youll participate in design discussions, collaborate across teams, and take ownership of delivering high-quality, reliable code.<br>The IDEA team builds internal tools that help infrastructure and platform teams do their work faster and more consistently. Our tools support how technical designs are created, reviewed, and turned into usable outputs for other teams and automation.<br>One of our main applications is RAA, a webbased tool used to create and manage technical architecture designs. We focus on usability, reliability, and gradual automation, working closely with engineers, architects, and platform teams.<br><br>This is a hybrid position based in OFallon, MO requiring three days per week onsite.<br><br>Role:<br> Contribute to the development of front-end features using modern frameworks.<br> Improve existing code for clarity, performance, and maintainability.<br> Troubleshoot issues and support production systems as needed.<br> Assist in building responsive, user-friendly web applications.<br> Support testing, debugging, and troubleshooting of applications.<br> Participate in code reviews and contribute to technical design discussions.<br> Write unit tests and maintain clear, concise documentation.<br> Collaborate with cross-functional teams to understand requirements and deliver solutions.<br> Continuously learn and apply new technologies and development techniques.<br><br>All About You:<br> Experience in software engineering or application development, with a focus on front-end technologies<br> Foundational knowledge of JavaScript, TypeScript, and React.<br> Basic understanding of web development concepts (HTML, CSS, APIs)<br> Familiarity with version control systems (e.g., Git)<br> Familiarity with Agile methodologies (Scrum or Kanban) and iterative delivery models<br> Comfortable working across the full software development lifecycle (build, test, release, support)<br> Experience with modern development tools (version control, CI/CD pipelines, code reviews, issue tracking systems)<br> Exposure to professional web application development is preferred.<br> Strong problem-solving skills and a passion for building user-centric solutions.<br> Self-motivated, proactive, and able to work independently in a collaborative environment.<br> Strong communication skills, with the ability to explain technical concepts clearly.<br> Bachelor degree in Computer Science, Software Engineering, Information Technology, Mathematics, or a related field. Equivalent practical experience may also be considered.<br><br>This role is not eligible for Mastercards work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.<h3></h3><p style="text-align:inherit"></p>Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.<h3></h3><p style="text-align:inherit"></p><p style="text-align:left"><b>Corporate Security Responsibility</b></p><p style="text-align:left"><br />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:</p><ul><li><p style="text-align:left">Abide by Mastercards security policies and practices;</p></li><li><p style="text-align:left">Ensure the confidentiality and integrity of the information being accessed;</p></li><li><p style="text-align:left">Report any suspected information security violation or breach, and</p></li><li><p style="text-align:left">Complete all periodic mandatory security trainings in accordance with Mastercards guidelines.</p></li></ul><p style="text-align:inherit"></p><p style="text-align:inherit"></p><h3></h3><p style="text-align:inherit"></p>In line with Mastercards total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.<p style="text-align:inherit"></p><p style="text-align:left"><b>Pay Ranges</b></p>O'Fallon, Missouri: $92,000 - $147,000 USD<h3></h3><p style="text-align:inherit"></p><h3></h3><p style="text-align:inherit"></p><h3></h3><p style="text-align:inherit"></p><h3></h3><p style="text-align:inherit"></p>
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