Mastercard
Senior Software Engineer
Full-timeNot specifiedO'Fallon, MissouriNot disclosedApply by 8 Oct 2026
Overview
Mastercard is hiring a Senior Software Engineer in O'Fallon, Missouri. This is a senior role focused on Problem solving, Collaboration, Communication. Full responsibilities, compensation details and the application form are available on the official listing, apply directly to keep your application verified.
What you'll do
- Own day-to-day delivery as a Senior Software Engineer, working with Problem solving, Collaboration, Communication.
- Partner with engineering, product and design peers at Mastercard to ship work that reaches real users.
- Write clear documentation and keep stakeholders updated on progress, risks and trade-offs.
- Review your own and others' work to keep quality, performance and reliability high.
Requirements
- Practical experience with Problem solving, Collaboration, Communication.
- Relevant academic or project background for a Senior Software Engineer role.
- Strong written and verbal communication in English.
- Comfortable working on-site in O'Fallon, Missouri.
Skills
Problem solvingCollaborationCommunication