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# Senior Java Full Stack Developer

- **Company:** System One
- **Location:** Pittsburgh, PA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), User Authentication, Databases, Data Integration, IBM DB2, Software Design Patterns, Linux, DevOps, Distributed Systems, Github, Hibernate (Java), Java Persistence API, PostgreSQL, Microsoft SQL Server, Object-Oriented Software Development, Oracle (Applications), Performance Tuning, Standard Sql, Responsive Web Design, Systems Integration, TypeScript, Enterprise Software Applications, ReactJS, Spring-boot, Software Security, Gitlab, Git, AngularJS, Material UI, Kubernetes, Information Technology, Front End Software Development, Restful APIs, Docker, Jenkins, Microservices
- **Published:** August 7, 2026
- **Apply:** https://www.juju.com/job/00000000gm07tl

## About the Role

6+ years of strong hands-on experience with:

o Java (Java 8/11/17+)

o Spring Boot

o REST API development

o Microservices architecture

. 6+ years of experience with:

o Hibernate / JPA

o Distributed systems and asynchronous processing

. Strong understanding of:

o Object-oriented programming

o Design patterns

o Secure application development

Frontend Development

. 6+ years of strong experience with modern frontend technologies such as:

o Angular

o React

o JavaScript / TypeScript

. 6+ years of experience building:

o Responsive web applications

o Enterprise UI components

. Understanding of:

o State management

o API integration

o Frontend performance optimization

Database & Integration Skills

. Strong SQL and database skills:

o Oracle

o SQL Server

o PostgreSQL

o DB2

. 6+ years of experience integrating with:

o APIs

o External enterprise systems

o Authentication and authorization services

DevOps & Engineering Practices

. Experience with:

o Git and version control

o CI/CD pipelines

o Jenkins/GitHub Actions/GitLab

. Familiarity with:

o Docker

o Kubernetes

o Linux/Unix environments

## Description

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.


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