Full Stack Developer

Job Title: Full Stack Developer

Location: Pittsburgh, PA

Type: Permanent Full Time

Work Model: Onsite

Responsibilities

• Design, develop, maintain, and implement APIs, microservices, and frontend components.

• Build responsive and dynamic user interfaces using Angular.

• Lead and mentor development team members while providing technical guidance.

• Collaborate with cross-functional teams to build scalable full-stack solutions.

• Drive coding standards, development best practices, and continuous improvement initiatives.

• Develop and unit test Java-based RESTful services and Angular/JavaScript applications.

• Review technical design documentation and provide feedback on architecture, estimates, and implementation strategies.

• Design new systems and enhancements to existing applications.

• Translate business requirements into scalable backend and frontend solutions.

• Participate in release planning and deployment activities.

• Create and manage change requests for production releases.

• Support end-to-end release execution, deployment validation, and production support.

• Troubleshoot, optimize, and maintain applications across all environments.

• Utilize DevOps tools including Jenkins, GitHub, and CI/CD pipelines.

• Work with API management platforms such as Apigee.

• Research and recommend development tools, frameworks, and libraries.

• Collaborate with business stakeholders, architects, developers, and external partners.

• Prioritize multiple initiatives while meeting project deadlines.

• Build strong working relationships across technical and business teams.

Requirements

• 10+ years of full-stack development experience.

• Strong expertise in:

• Java/J2EE

• REST APIs

• Spring Boot

• Angular

• XML

• JSON

• Swagger/OpenAPI

• 8+ years of experience developing and consuming RESTful and/or SOAP web services.

• 5+ years of experience with:

• Angular

• JavaScript

• HTML

• CSS

• 5+ years of experience using GitHub, Jenkins, and CI/CD tools.

• Experience writing unit tests for both Java and JavaScript applications.

• Experience working in Agile software development environments.

• Experience supporting release management processes, including release planning and change request management.

• Experience building and supporting enterprise-scale web applications.

• Strong troubleshooting, debugging, and performance optimization skills.

• Excellent communication, collaboration, and leadership abilities.

Preferred Skills

• Experience with microservices and cloud-native architectures.

• Experience with API management platforms such as Apigee.

• Experience leading development teams and mentoring junior engineers.

• Knowledge of DevOps best practices and enterprise deployment processes.

• Strong understanding of application security and scalable system design.

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.

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Ref: #404-IT Pittsburgh

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.

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.