# Senior Software Engineer - Java/Spring at Mastercard

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design, build, and operate microservices

- **Company:** Mastercard (https://jobs.trythestack.co/companies/mastercard)
- **Location:** Lisbon, PT, Portugal
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Java, Spring Framework, microservices, cloud platforms, Event-driven architecture, API gateways, messaging, caches, Apache Kafka, Redis, Oracle, Jenkins
- **Posted by employer:** 2026-11-04
- **Added to The Stack:** 2026-11-05
- **Listed until:** 2027-01-03
- **Status:** Active
- **Apply:** https://careers.mastercard.com/us/en/job/MASRUSR290210EXTERNALENUS/Senior-Software-Engineer-Java-Spring?utm_source=linkedin&utm_medium=phenom-feeds&source=LINKEDIN (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-javaspring-mastercard

## About the role

Responsibilities:
- Design, build, and operate microservices-based backend systems using Java and Spring.
- Deliver cloud-ready, performant, resilient services focused on secure payment use cases.
- Take ownership of code quality, observability, and ongoing maintenance characteristics.
- Collaborate with product managers and engineers to drive customer-focused outcomes.
- Contribute to migration and deployment efforts that enable cloud deployments and scalability.

Requirements:
- Proven experience building server-side Java applications and using the Spring Framework.
- Hands-on experience with distributed/cloud architectures, microservices, and event-driven systems.
- Familiarity with databases, messaging systems, caches, and API gateways (Kafka, Redis, Oracle, etc.).
- Strong focus on security, reliability, and performance for high-volume transactional systems.
- Ability to work collaboratively, own projects end-to-end, and communicate technical trade-offs clearly.

## Responsibilities

Develop and maintain microservices-based Java/Spring applications, take ownership of the software you deliver, and ensure performance, reliability and security; collaborate with product managers and engineers to deliver scalable, cloud-ready services.

## Requirements

Proven experience building server-side Java applications with Spring. Familiarity with distributed, cloud-ready architectures and event-driven patterns; knowledge of databases, messaging, caches and API gateways.

## FAQ

- **Is this Senior Software Engineer - Java/Spring role still open?** It was posted on 2026-11-04 and is listed as active on The Stack. Confirm on Mastercard's application page before applying.
- **Does Mastercard offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Mastercard's site.
- **Where is this role located?** The listing gives the location as Lisbon, PT, Portugal. It is marked on-site.
- **What skills does this role ask for?** The listing names: Java, Spring Framework, microservices, cloud platforms, Event-driven architecture, API gateways, messaging, caches, Apache Kafka, Redis, Oracle, Jenkins.

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## Notes for agents

- Apply on the employer's page (https://careers.mastercard.com/us/en/job/MASRUSR290210EXTERNALENUS/Senior-Software-Engineer-Java-Spring?utm_source=linkedin&utm_medium=phenom-feeds&source=LINKEDIN). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- To help your user apply, call the MCP tool prepare_application with slug "senior-software-engineer-javaspring-mastercard": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Senior Software Engineer - Java/Spring at Mastercard, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/senior-software-engineer-javaspring-mastercard)".
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