Software Engineer (Java - Legacy Systems Modernization)

GruntWorx, LLC. · hampton, rockingham county, nh, United-States

Location
hampton
Job Type
Full-time
Posted
June 07, 2026

Job Description

Software Engineer
(Java – Legacy Systems Modernization)

We are now accepting applications for a full-time, remote role in our Engineering Department.

We are seeking a hands‑on Software Engineer with strong Java experience to maintain, troubleshoot, and modernize a large, multi‑module enterprise platform. This role focuses on improving stability, performance, and security across a mature codebase while supporting ongoing feature development. You will work across backend services, web applications, and legacy UI layers, contributing to both day‑to‑day operations and longer‑term modernization efforts.

Key Responsibilities:

  • Maintain and enhance existing Java‑based web applications and backend services
  • Troubleshoot and resolve production issues with a focus on performance and reliability
  • Optimize system performance and improve scalability of legacy components
  • Develop and maintain features across:

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