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Salary
≈ $72k – $150k per year (Estimated)
Location
In office (Ireland)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 7, 2026.

Overview
Company
Impact
Profile match
We connect and power a digital economy that benefits individuals, enterprises and governments globally by ensuring transactions are secure, straightforward and accessible.

Join our team as a Senior Software Engineer, where you will play a key role in enabling intelligent decision-making through streaming analytics. You will be responsible for mentoring the team, designing and implementing application logic in Java, and managing your own time while collaborating with teammates. You will also participate in all scrum ceremonies and apply best development practices to write well-designed, maintainable, testable, scalable, and secure code. This is an exciting opportunity to make a difference in the world by helping to prevent fraud on every Mastercard transaction.

Missions

  • Mentor the team while remaining hands-on in the design and implementation of application logic in Java.
  • Write code for unit testing, integration testing, and functional testing, and work with automated testing frameworks.
  • Apply best development practices to write well-designed, maintainable, testable, scalable, and secure code.

Profil recherché

- A strong technical programmer with experience working on high performance applications

- Excited about getting a 360 degree view of the coding world - writing code to develop a piece of code as well as write code to test it

- Passionate about making a difference in this world

- You want to be part of a team which helps prevent fraud on every mastercard transaction in this world

- Strong organizational skills; able to manage multiple tasks within the constraints and timelines determined by business needs

- Excellent knowledge of Spring and other frameworks

- Experience working with high performance applications

- Good knowledge of SQL and experience working with Oracle

- Strong programming skills with deep knowledge of Java

- Good knowledge of unit testing and mocking frameworks like junit, mockito or easymock

- Good problem diagnostic and creative problem solving skills

- Experience with Dockers, Kubernetes etc

- Experience with Angular

- Comfortable with AI tools, models and latest code assist frameworks

- BS in computer science or a related field preferred

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