Full Stack Developer

Pittsburgh Tomorrow; Strongsville (OH); On-site; USD 110,000 - 190,000; Full time

Job summary

System One is seeking a Senior Full Stack Developer to join a client-site team for 5 days a week in Strongsville, OH or Pittsburgh, PA. The role focuses on designing, building, and maintaining scalable APIs, microservices, and front-end applications using Java, Spring Boot, and Angular.

Responsibilities include API design, UI development, RESTful services, code reviews, and DevOps collaboration within an Agile environment.

Qualifications

• 10+ years of Full Stack Development experience.
• Strong experience with Java, J2EE, Spring Boot, and Microservices Architecture.
• 8+ years of RESTful and/or SOAP Web Services development.
• Experience with REST APIs, XML, JSON, and Swagger/OpenAPI.
• 5+ years of Angular, JavaScript, HTML, and CSS.
• 5+ years of GitHub, Jenkins, and CI/CD pipeline experience.
• Experience writing and maintaining unit tests for Java and JavaScript applications.
• Experience with Agile software development methodologies.
• Experience with Release Management, deployment planning, and Change Request processes.
• Strong troubleshooting and application support experience.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, and maintain scalable APIs, microservices, and frontend applications.
• Build responsive and dynamic user interfaces using Angular.
• Develop and support Java-based RESTful services integrated with enterprise systems.
• Collaborate with developers across teams to deliver full-stack solutions.
• Participate in technical design discussions, code reviews, and architecture planning.
• Create technical designs and translate business requirements into scalable application solutions.
• Develop and maintain unit tests for backend and frontend applications.
• Drive coding standards, best practices, and continuous improvement initiatives.
• Support release planning, change management, production deployments, and post-release validation.
• Troubleshoot and optimize applications across multiple environments.
• Work with DevOps and CI/CD tools to support efficient software delivery.
• Collaborate with business, product, and technical stakeholders in an Agile environment.
• Research and recommend tools, frameworks, and technologies to improve development efficiency.

Skills

Java

Spring Boot

Microservices

Angular

JavaScript

HTML/CSS

CI/CD

Agile

Tools

Jenkins

GitHub

Swagger/OpenAPI

Job description

Job Title: Full Stack Developer
Location: Strongsville, OH
Type: Full-time
Work Model: 5 days onsite

This position is located at our client site 5 days a week in either Strongsville, OH or Pittsburgh, PA.
We are seeking a Full Stack Developer with strong expertise in Java, Spring Boot, Angular, and Microservices to support the design, development, and maintenance of enterprise-scale applications. This role will be responsible for building scalable backend services and modern frontend applications while collaborating with cross-functional teams to deliver high-quality solutions.

Responsibilities

• Design, develop, and maintain scalable APIs, microservices, and frontend applications
• Build responsive and dynamic user interfaces using Angular
• Develop and support Java-based RESTful services integrated with enterprise systems
• Collaborate with developers across teams to deliver full-stack solutions
• Participate in technical design discussions, code reviews, and architecture planning
• Create technical designs and translate business requirements into scalable application solutions
• Develop and maintain unit tests for backend and frontend applications
• Drive coding standards, best practices, and continuous improvement initiatives
• Support release planning, change management, production deployments, and post-release validation
• Troubleshoot and optimize applications across multiple environments
• Work with DevOps and CI/CD tools to support efficient software delivery
• Collaborate with business, product, and technical stakeholders in an Agile environment
• Research and recommend tools, frameworks, and technologies to improve development efficiency

Requirements

• 10+ years of Full Stack Development experience
• Strong experience with Java, J2EE, Spring Boot, and Microservices Architecture
• 8+ years of RESTful and/or SOAP Web Services development
• Experience with REST APIs, XML, JSON, and Swagger/OpenAPI
• 5+ years of Angular, JavaScript, HTML, and CSS
• 5+ years of GitHub, Jenkins, and CI/CD pipeline experience
• Experience writing and maintaining unit tests for Java and JavaScript applications
• Experience with Agile software development methodologies
• Experience with Release Management, deployment planning, and Change Request processes
• Strong troubleshooting and application support experience
• Excellent communication and collaboration skills

Preferred Qualifications

• Experience with API management platforms such as Apigee
• Experience with DevOps tools including Jenkins and uDeploy
• Experience supporting large-scale enterprise applications
• Experience mentoring developers and contributing to technical leadership initiatives
• Strong understanding of software architecture, scalability, and performance optimization

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions 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 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.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.