Senior Software Engineer

To apply, e-mail Jeff Bannon directly at View email address on click.appcast.io, 2200 Mastercard Blvd, O'Fallon, MO 63368, with a copy of your resume and reference MC89-2026. ONLY APPLICATIONS SENT TO THE AFOREMENTIONED EMAIL WILL BE CONSIDERED. Employer's Name: Mastercard Technologies, LLC Job Title: Senior Software Engineer (O'Fallon, MO) Position Duties : Research and development of technical solutions to address platform challenges related to architecture, operations, engineering and quality. Partner with Product, Engineering, Operations and Site Reliability teams to identify areas of improvement. Develop and promote AI tooling for engineering efficiency. Execute proof-of-concept efforts to explore new technologies while drafting comprehensive documentation. Serve as a technical SME for application teams, actively answering questions, performing code reviews and contributing to design reviews. Maintain reference implementations and shared libraries. Coordinate and execute platform-wide Operational Excellence projects such as version upgrades or framework migrations. Participate in code review of key functionalities or architectural aspects. Regularly communicate with management and stakeholders about risk analysis and design tradeoffs. Serve as a mentor to junior resources by offering coaching, feedback and reviews. Job Requirements : Master's degree or foreign equivalent in Information Systems, Information Technology, Computer Science, Computer Engineering, Electronic Engineering or related and two (2) years of progressively responsible experience in job offered or as a Software Engineer or related. Alternatively, employer will accept a Bachelor's degree or foreign equivalent and five (5) years of progressively responsible experience. Qualifying experience must include at least one (1) year with each of the following: APIs ; CI/CD ; Oracle SQL ; Angular 2.0 ; Source Control (Bitbucket or Git) ; Jenkins or Bamboo or AWS or Azure or XL Release ; Sonar or Checkmarx or Nexus or JFrog or Xray or Veracode ; Load or spike or breakpoint or endurance ; Hotfix releases (including unit, component level, system level, customer journeys, past customer issues, and regulatory controls). Employer will accept any suitable combination of education, training, or experience. Telecommuting and/or working from home may be permissible pursuant to company policies. ** ** **Hours per week: **40 hours/week Location of Employment : 2200 Mastercard Blvd, O'Fallon, MO, 63368 Contact Person: Jeff Bannon, View email address on click.appcast.io, Mastercard Technologies LLC, 2200 Mastercard Blvd, O'Fallon, MO 63368. Ref MC89-2026.