Software Engineer; Java-JEE

Overview

Software Engineer (Java-JEE) – Transaction Processing Systems

A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is expanding its engineering team. We’re looking for a Software Engineer II to help build and evolve our highly available transaction processing systems that power real-time merchant interactions across the globe.

This is a unique opportunity to contribute to the foundation of an enterprise architecture team, with the autonomy to design, implement, and lead initiatives that support strategic growth and innovation.

• Develop and maintain front-of-house systems — a suite of APIs, POS devices, and UIs that securely handle credit card data and interface with backend processing platforms.
• Build contemporary J2EE applications in a hybrid cloud/on-prem environment using GCP and private data centers for compliance and security.
• Deliver cloud-based reporting and analytics tools.
• Own tasks from initial concept through design to release
  , including post-deployment monitoring and verification.
• Apply BDD and TDD practices to ensure quality and reliability.
• Contribute to a collaborative, outcome-driven engineering culture focused on solving real-world problems
  .
• MySQL 8 with InnoDB
  , Big Query
• REST APIs with JAX-RS
  , RESTEasy
  , OpenAPI
  , Swagger
• Multi-threaded concurrent programming
  , Pub/Sub
  , Web Sockets (nice to have)
• Infinispan
  , JGroups
  , CDI
• 3–5 years of hands-on software engineering experience.
• Experience translating business requirements into technical solutions.
• Strong understanding of secure web applications
  , ideally in PCI-DSS environments.
• Familiarity with load balancing
  , fault tolerance
  , and high availability
  .
• Ability to grasp and improve existing codebases.
• Comfortable working independently or as part of a team.
• Strong communication and collaboration skills.
• Experience with BDD and TDD
  , and translating test cases into automated tests.

• Small teams, big impact – minimal bureaucracy, maximum autonomy.
• Growth mindset – an environment that will support your development and encourage innovation.
• Real people, real problems – build solutions that matter.

Ready to build the future of payments?

• Associate

• Full-time

• Information Technology

• Software Development

This range is provided by Eden Scott. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

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Location:

Glasgow, Scotland, United Kingdom