Haystack
← Back to Jobs
Technology
TS

Full Stack Software Engineer

Techgene Solutions LLCUnited States🇺🇸United StatesPosted Sep 17, 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to expand your full-stack expertise by working with modern Java, React, and microservices for high-traffic applications. You'll thrive here if you're a proactive engineer ready to contribute across the entire development lifecycle, from design to testing. Apply now to join a dynamic team and build impactful solutions!

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
United States
Posted
6 days ago
MicroservicesNode.jsOracleSQLSQL ServerSpringSpring BootJUnitJavaJestRESTReact

Job Description

Full Stack Software Engineer (Java / React)
Location: Remote
Duration : 6+ months

We are seeking a skilled Full Stack Software Engineer to support the development and modernization of high-traffic web applications in a microservices environment. This role offers a 70/30 mix of back-end and front-end development, working across modern frameworks and enterprise-scale platforms.

Key Responsibilities
  • Design, build, and maintain scalable full stack applications using Java (Spring MVC/Spring Boot), React, and Node.js
  • Develop RESTful APIs and services in a microservices-based architecture
  • Write and optimize stored procedures using SQL (Oracle and Db2)
  • Create and maintain unit tests using JUnit and JEST
  • Participate in code reviews and collaborate through GitLab
  • Troubleshoot and support applications, including participation in a rotating on-call schedule
  • Work closely with both front-end and back-end teams to deliver cohesive solutions across the stack
Required Skills
  • Strong experience with Spring MVC and Spring Boot
  • Proficiency with React and Node.js (must be hands-on with both)
  • Solid understanding of REST architecture and integration patterns
  • Strong SQL skills, including experience writing custom stored procedures
  • Familiarity with GitLab and modern development workflows
  • Ability to work independently and handle full-stack development without excessive oversight
  • Clear communication skills and the ability to collaborate effectively in a cross-functional team
Tech Stack
  • Frontend: React, Node.js
  • Backend: Java (Spring MVC / Spring Boot)
  • Databases: Oracle (primary), SQL Server, Db2
  • Testing: JUnit, JEST
  • Tools: GitLab

Similar jobs