Senior Software Engineer

Job Title: Senior Software Engineer
Location: Ashburn, VA OR Gaithersburg, MD
Type: Contract, Many option years
Compensation: W-2, negotiable
Contractor Work Model: Hybrid – onsite and remote
Hours: 40 hours a week
Security Clearance: Public Trust - candidates with some level of clearance will be given preference

FAA is the end client

Responsibilities

• Design, develop, test, and maintain modern web applications, including reusable UI components and design system integrations
• Design and implement backend services, APIs, and microservices, including RESTful and GraphQL APIs, utilizing modern development frameworks and cloud-native patterns
• Design and support cloud-native solutions and deployment architectures, implement and improve CI/CD pipelines and automated deployment processes
• Contribute to SAFE Agile team sprints and release planning, collaborating with stakeholders to prioritize and deliver features

Requirements

• Minimum of 10 years relevant experience; or equivalent combination of education and experience
• Expertise in frontend technologies such as ReactJS, TypeScript, JavaScript (10+ years), SPA, Micro-frontend architectures
• Proficiency in backend technologies including GraphQL, REST APIs, Microservices, Node.js, Java, Python, SQL and NoSQL databases
• Experience designing scalable, secure, highly available software systems and cloud-native deployment architectures
• Strong understanding of CI/CD pipelines and infrastructure automation
• Ability to leverage AI-assisted development tools such as Copilot or similar to enhance development velocity and quality

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.

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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System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, 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.

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.