React Java jobs in Manchester

Haystack

*Java/VBA Developer | Merrimack, NH** We're working with a $30 billion global technology powerhouse and leader in digital infrastructure on this exciting opportunity. We are looking for a versatile developer who can bridge the gap between legacy financial logic and modern cloud architectures. This i

Title: Full Stack Engineer Location: MERRIMACK, NH (IN-person interview) Duration:-Long term Project Technical Skill • 50% Core Java - springBoot, API microservices, KAFKA (nice to have) • 25% Angular - (React would be OK here) - They need to have at least One • UI framework • 25% Database PL/SQL -

Position Description Join CGI as a Backend Engineer and help build the resilient systems that power mission‑critical financial operations. In this role, you’ll work with a modern tech stack and an agile team to design and deliver scalable, high‑performance Java back‑end platforms that drive real inn

Java Developer (Backend) Category: Software Development/ Engineering Main location: United States, New Hampshire, Merrimack Alternate Location(s): United States, Texas, Westlake United States, Massachusetts, Boston Position ID: J0126-1845 Employment Type: Full Time U.S. - The best version of me (htt

CGI

Java Developer (Backend) Category: Software Development/ Engineering Main location: United States, New Hampshire, Merrimack Alternate Location(s): United States, Texas, Westlake United States, Massachusetts, Boston Position ID:J0126-1845 Employment Type: Full Time U.S. - The best version of me By pl

Technogen, Inc.

*Description:** *This is a 3-month contract to hire position. Please submit candidates who are authorized to work for any employer in US without requiring visa sponsorship now or in future.** *Merrimack, NH (5 days onsite, every other week)** *Job Responsibilities Include:** Join a high-impact engin

Key Responsibilities Design, develop, and maintain backend‑heavy (80%) enterprise applications using Java/J2EE, Spring Boot, and Microservices. Build and manage RESTful APIs and integrate with API management and downstream systems. Apply 12‑factor app principles to develop scalable, resilient, and c

Dellfor Technologies is founded by software professionals with fresh approach, and ideas empowering clients and partners in meeting the unique challenges created by transforming business needs. Our technical, domain expertise across obust solutions. We strive to prove ourselves from project inceptio

We are seeking a Senior/Principal Java Developer to help design, enhance, and modernize mission‑critical brokerage and tax processing systems. You will collaborate closely with architecture, product, and business partners to build reliable, scalable solutions that support complex financial platforms