Lead Software Engineer F/T
Job 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
Lead Software Engineer F/TOverviewOwn complex problems having dependency across services and facilitating cross-functional team interactions to drive resolution.
Role
- Write code to build and enhance applications/services and promote code-reviews, code scanning, and other standard development practices to deliver high-quality artifacts to production.
- Define, design, and develop procedures and solutions at a service level to meet the business requirements/enhancements.
- Participate and contribute to team’s agile process and decisions.
- Understand and contribute to Prioritization.
- Drive prioritization decisions and trade-offs in working with product partners Identify opportunities and build backlogs to enhance primary service/function.
- Automate and simplify all aspects of software delivery and development actively evangelizing the need to automate and simplify where needed.
- Lead by example with hands-on approaches to demonstrate engineering excellence.
- Able to troubleshoot and refactor existing code for exceptional code quality.
- Drive seamless integration across all connected services to meet end-user expectations.
- Drive blameless postmortems culture to identify root causes of incidents and implement learnings Introduce new technologies and architecture by following enterprise guidelines.
- Advocate for engineering principles outside of current organization/platform.
- Provide development and architecture guidance to team members.
- Build relationships and effective partnerships across organizations.
- Write and evaluate recommendations for job promotions based on an unbiased view of one's accomplishments.
- Conduct technical interviews for hiring engineering staff and raising the performance bar.
About You
- Position requires a Bachelor’s degree or foreign equivalent in Information Systems, Information Technology Management, Computer Science, Computer Engineering, Engineering or related and five (5) years of progressively responsible experience in job offered or as a Software Engineer, Software Developer, or related.
- Qualifying experience must include at least one (1) year with each of the following: Java; JavaScripts; SQL; OWASP; CWE; SEI CERT; Gitflow; and Sonar.
- Option to work from home-based office exists. May reside anywhere within the United States.
- To apply, please click the “Apply for job” link above, or send resume to recruiter Jaimie Ozbeck, [email protected], @ Mastercard Technologies, LLC, 2200 MasterCard Blvd O Fallon, MO 63368. Ref MC86-2026
Incentives offered through MasterCard’s Employee Referral Program Apply to this position. For more information, please visit our Employee Referral Site or see employee handbook.
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 [email protected] 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.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.
Pay Ranges
O'Fallon, Missouri: $140,000 - $231,000 USDSkills mentioned

Mastercard is a global payments technology company that enables secure, simple, and smart digital transactions in more than 200 countries. The company offers a broad portfolio of services— including global commerce, mobile payment solutions, and payment processing— to consumers, merchants, and governments. By combining advanced technology, robust networks, and strategic partnerships, Mastercard delivers innovative products that help businesses grow and communities prosper. Its focus on sustainability and inclusive access distinguishes it as a leader in building a future‑ready economy.
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