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Closed on August 31, 2026.

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System One

Sr.Java Full Stack Developer

System One
Pittsburgh, PA $120k+/yr Contract Posted 1mo ago
Backend Developer Senior Angular API APIs Big Data CI/CD Cloud Infrastructure Cloud Native Cloud Operations Cloud Platform Cloud Platforms Cloud Technology Collaboration Containerization Data Integration Data Pipelines Data Platform Data Processing DevOps DevSecOps Engineer Engineering Framework Frontend Frontend Framework Full Stack Git Infrastructure As Code Integration Java Java Language JavaScript Jenkins Kubernetes Node.js Openapi OpenShift Platform Engineering Programming Language Programming Languages Soap Web Services Software Development Software Engineer Software Engineering Spring Boot Spring Framework SQL Stream Processing Udeploy Web Framework
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Job Description

This contract to hire opportunity is on site in Pittsburgh, PA and offers a competitive salary of USD 120,000 per year alongside a robust benefits package. The role centers on designing Java API services and RESTful microservices, building front end with Angular, and delivering backend work with Spring Boot and containerization. It supports a collaborative, security-minded team culture that emphasizes scalable, high-performance software delivery.

Benefits

  • Medical benefits
  • Dental benefits
  • Vision benefits
  • Spending accounts
  • Life insurance
  • Voluntary plans
  • 401(k) plan

Responsibilities

  • Design, build, and maintain Java API services, including RESTful endpoints and microservices, with a focus on scalability, security, and performance.
  • Collaborate on front-end UI development using Angular, HTML, and CSS to create intuitive user interfaces.
  • Establish and optimize API standards, working with cross-functional teams to deliver large-scale features.
  • Develop, test, and deploy backend components using Spring Boot within a microservices and containerized environment (OpenShift and Kubernetes).
  • Integrate Java applications with databases such as Oracle, SQL Server, MongoDB, and messaging systems like Apache Kafka.
  • Utilize DevOps tools including Jenkins, uDeploy, GitHub, and CI/CD pipelines to automate workflows and enable continuous delivery.
  • Review design documents, create technical system designs, and translate requirements into functional solutions.
  • Collaborate with API developers, business analysts, and QA teams within an Agile environment.
  • Research and apply modern libraries and technologies to accelerate development and enhance security.

Requirements

  • 6+ years of Java API development experience with REST APIs, Spring Boot, XML, JSON, and Swagger.
  • 6+ years of experience developing and consuming SOAP and REST web services in production environments.
  • 5+ years of front-end UI development experience using Angular, HTML, and CSS.
  • Hands-on experience with OpenShift, containerization, Kubernetes, and microservices architecture.
  • 3+ years working with GitHub, Jenkins, and CI/CD pipelines.
  • Proficiency with client-side technologies such as Node.js and Angular 8+
  • Experience with Kafka, MongoDB, and integrating Java applications with Oracle/SQL Server databases.
  • Strong understanding of security best practices to prevent vulnerabilities in code.
  • Excellent collaboration, communication, and interpersonal skills in an Agile team environment.

Technologies

  • Java
  • REST API
  • Spring Boot
  • XML
  • JSON
  • Swagger
  • SOAP
  • Angular
  • HTML
  • CSS
  • OpenShift
  • Kubernetes
  • microservices
  • Oracle
  • SQL Server
  • MongoDB
  • Apache Kafka
  • Jenkins
  • uDeploy
  • GitHub
  • CI/CD pipelines
  • Node JS
  • Angular 8+

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