> Markdown version of [/jobs/ext/2527387-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/2527387-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Engineer

- **Company:** Mastercard
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Unit Testing, Code Coverage, Code Review, Cyber Security, Information Systems, Systems Development Life Cycle, Software Engineering, System Testing, Performance Testing, Integration Tests, Information Technology
- **Published:** August 3, 2026
- **Apply:** https://dejobs.org/x/x/E6AC3A1673FE4430B52E169FD6EFE19C/job/

## About the Role

appropriate frameworks. Ensure knowledge transfer of vendor technology to MasterCard staff. Provide technical training to the other team members. *Follow and promote Quality Assurance and Quality Control processes in the department. Actively look for opportunities to enhance standards and improve process efficiency. Mentor and guide other team members during all phases of the SDLC. Ensure adequate test coverage in Unit Testing, System Testing/Integration Testing and Performance Testing. Perform Quality Inspections and Walkthroughs through out the SDLC including Requirements Review, Design Review, Code Review and Security Review to ensure compliance with MasterCard standards. *Co-ordinate offshore development and manage day to day activities. Education: *Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience. Knowledge / Experience: *3 to 5 years of experience in related field. *3 to 5 years of experience in
delivering secure solutions in Financial Services Sector is preferred. *Broad understanding of Software Engineering Concepts and Methodologies is required. *Demonstrate MC Core Competencies. Skills/ Abilities: *Must be high-energy, detail-oriented, proactive and have the ability to function under pressure in an independent environment. *Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results. *Possesses strong communication skills -- both verbal and written - and strong relationship, collaborative skills and organizational skills. *Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project team.

## Description

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.


## Related Videos

- [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating)
- [Mutation Testing and Fuzzing in C#](https://www.wearedevelopers.com/videos/703-mutation-testing-and-fuzzing-in-c)
- [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider)
- [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data)
- [Test-reduction - Doing more with less](https://www.wearedevelopers.com/videos/977-test-reduction-doing-more-with-less)
- [How will artificial intelligence change the future of software testing?](https://www.wearedevelopers.com/videos/85-how-will-artificial-intelligence-change-the-future-of-software-testing)

## Related Articles

- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)