Senior Software Engineer Java-JEE

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.

Overview

Senior Software Engineer (Java-JEE) – Transaction Processing Systems

Experience Level: 8+ Years

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

What You’ll Work On

• 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 the end-to-end product lifecycle, from requirements through to release, with a strong emphasis on BDD and TDD.
• Drive Infrastructure as Code (IaC) practices with high levels of automation and regression testing.
• Contribute to a collaborative, outcome-driven engineering culture focused on solving interesting and complex problems.
• MySQL 8 with InnoDB, BigQuery
• REST APIs with JAX-RS, RESTEasy, OpenAPI, Swagger
• Multi-threaded concurrent programming, Pub/Sub, WebSockets
• Infinispan, JGroups, CDI
• 8+ years of hands-on software engineering experience.
• Proven ability to own products from start to finish.
• Experience with secure web applications in PCI-DSS environments.
• Strong understanding of load balancing, fault tolerance, and high availability.
• Passion for solving real-world engineering challenges in a fast-paced fintech environment.

Why this role?

• Small teams, big impact – minimal bureaucracy, maximum autonomy.
• Growth mindset – An environment which supports your development and encourages innovation.
• Real people, real problems – build solutions that matter.

Ready to build the future of payments?

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• Software Development

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