Fullstack Developer

System One; New Windsor (MD); Hybrid; USD 110,000 - 150,000; Full time

Job summary

System One is seeking a Full Stack Developer to support a federal technology program in the New Carrollton, Maryland area. The role requires hands-on Java backend development and modern React frontend work, with onsite or remote options available depending on client needs.

Candidates must hold an active IRS MBI clearance and IRS GFE. The contract-to-hire position emphasizes agile delivery, DevOps tooling, and cloud experience with AWS, Docker, and Kubernetes.

Qualifications

• Bachelor’s degree in progress or completed, with at least two years of relevant professional experience
• Active IRS MBI clearance
• Current IRS Government Furnished Equipment, or GFE
• Strong Java development experience, including knowledge of object oriented design principles and Java design patterns
• Hands-on experience with Spring Boot, Spring MVC, and Spring Data JPA
• Frontend development experience using JavaScript, TypeScript, and React
• Experience developing responsive web interfaces with HTML and CSS
• Experience designing and developing APIs that support communication between frontend and backend systems
• Experience working with cloud platforms, preferably AWS
• Familiarity with containerization and orchestration technologies such as Docker, Kubernetes, Amazon EKS, or OpenShift
• Experience with DevOps and software delivery tools such as Jenkins, SonarQube, AppScan, Nexus IQ, GitHub, or GitHub Actions
• Experience working in an Agile development environment
• Strong written and verbal communication skills, including the ability to work with client stakeholders across technical and organizational levels

Skills

IRS clearance

Java

Spring Boot

Spring MVC

Spring Data JPA

React

HTML/CSS

API design

AWS

Docker

Kubernetes

OpenShift

Jenkins

GitHub Actions

Agile

Communication

Education

Bachelor’s degree in progress or completed

Tools

Spring Boot

Spring MVC

Spring Data JPA

Docker

Kubernetes

OpenShift

Jenkins

SonarQube

Nexus IQ

GitHub

GitHub Actions

Job description

Full Stack Developer

Location: New Carrollton, Maryland

Work Arrangement: Onsite or remote options may be available, subject to client confirmation and project requirements

Employment Type: Contract to Hire

We are seeking a Full Stack Developer to support a federal technology program. This position requires strong hands‑on experience developing Java based backend services and modern React applications.

Candidates must have an active IRS MBI clearance and current Government Furnished Equipment, or GFE.

Required Qualifications

• Bachelor’s degree in progress or completed, with at least two years of relevant professional experience
• Active IRS MBI clearance
• Current IRS Government Furnished Equipment, or GFE
• Strong Java development experience, including knowledge of object oriented design principles and Java design patterns
• Hands‑on experience with Spring Boot, Spring MVC, and Spring Data JPA
• Frontend development experience using JavaScript, TypeScript, and React
• Experience developing responsive web interfaces with HTML and CSS
• Experience designing and developing APIs that support communication between frontend and backend systems
• Experience working with cloud platforms, preferably AWS
• Familiarity with containerization and orchestration technologies such as Docker, Kubernetes, Amazon EKS, or OpenShift
• Experience with DevOps and software delivery tools such as Jenkins, SonarQube, AppScan, Nexus IQ, GitHub, or GitHub Actions
• Experience working in an Agile development environment
• Strong written and verbal communication skills, including the ability to work with client stakeholders across technical and organizational levels

Preferred Qualifications

• Experience documenting APIs with Swagger or OpenAPI
• Experience with Node.js or Python
• Previous experience supporting IRS or other federal technology programs

System One, and its subsidiaries including Joulé and 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.

• 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.

#M1

Ref: #851-Rockville-S1