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Mastercard · Warsaw, Poland

# Software Engineer II

Warsaw, Poland Full-time Software Engineering 

Listed on Mastercard’s official careers site. Posted October 28, 2026. Check that it is still open and apply there.
[Apply on Mastercard’s careers site →](https://mastercard.wd1.myworkdayjobs.com/CorporateCareers/job/Warsaw-Poland/Software-Engineer-II_R-292369)

[OpenNash Jobs](https://jobs.opennash.com/) / [Mastercard](https://jobs.opennash.com/companies/mastercard/) / Software Engineer II

## 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 Software Engineer II Overview Provides support of applications software through programming, analysis, design, development and delivery of software solutions.
- Responsible for programming wherever applicable, testing, implementation, documentation, maintenance and support of systems application software in adherence with MasterCard standards, processes and best practices.
- Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks Follow MasterCard processes.
- Assist Senior Team members in modification of the documentation templates per the needs of the project and technology.
- Contribute ideas to help ensure that required standards and processes are in place and actively look for opportunities to enhance standards and improve process efficiency.
- Thorough knowledge and understanding of Software Engineering Concepts and Methodologies is required.
- Must demonstrate MC Core Competencies.
- 3 to 5 years of experience in software engineering field.

### Skills/ Abilities
- Must be high-energy, detail-oriented and proactive with 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 with a willingness and ability to learn and take on challenging opportunities.
- Strong communication skills -- both verbal and written – with strong relationship, collaborative skills and organizational skills.
- Ability to work as a member of matrix based diverse and geographically distributed project team.

### Role

Build functional software that meets the requirements. Work with stakeholders and team to understand and develop requirements. Ensure security, stability and scalability of our software. Work together with team and QA's to automate and simplify the SDLC. Use LLMs/ AI for maximum impact but minimum risk. Share knowledge and support the growth of your teammates. Helping improve our architecture, engineering practices, delivery processes and use of new technologies.

All

### About You

Bachelor's degree or equivalent experience in Information Technology, Computer Science or Engineering. Strong experience with Java backend development, Automation Framework and required concepts and toolsets. Some experience (2 to 4 years) in delivering secure solutions in a heavily regulated sector. Advanced knowledge and understanding of Software Engineering Concepts and Methodologies. Strong communication skills with the ability to build relationships and collaborate effectively in a diverse setting.

Ability to understand complex systems and their interactions with external partners and dependencies. Able to work both very independently and in a team setting. Curious and eager to learn and implement new technologies, frameworks, and tools. A willingness to learn, experiment and share knowledge with others. Experience with Quality Assurance and Quality Control processes. Familiarity with compliance requirements and audit processes.

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.

## At a glance
- Posted by the employer: Oct 28, 2026
- First seen by OpenNash: Nov 1, 2026
- Last checked: Nov 1, 2026
- Listed for: 4 days
- Location: Warsaw, Poland
- Employment type: Full-time[Apply on Mastercard’s careers site →](https://mastercard.wd1.myworkdayjobs.com/CorporateCareers/job/Warsaw-Poland/Software-Engineer-II_R-292369)

## Hiring at Mastercard
- Open jobs: 1,014
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 10, 2026

[All Mastercard jobs](https://jobs.opennash.com/companies/mastercard/) · [Weekly hiring report](/reports/hiring/)

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