Senior Software Developer

Job overview

The Senior Software Developer is an onsite, full-time role in Gaithersburg, MD. Compensation is not specified. The position supports mission-critical enterprise applications in a secure environment and is recruited by System One, a provider of outsourced services and workforce solutions. The developer designs, builds, tests, deploys, and maintains secure enterprise software. Working with product, architecture, Agile, and DevSecOps teams, the role contributes reliable applications, APIs, automated tests, and production support.

What you'll do

• Design, develop, test, deploy, and maintain enterprise applications
• write documented code following secure coding practices
• build RESTful APIs, microservices, and distributed solutions
• participate in Agile ceremonies
• collaborate with product owners, architects, DevSecOps, and developers
• create automated tests
• review code and guide junior developers
• troubleshoot and analyze root causes
• support CI/CD, performance, security, architecture, and production deployments.

What we're looking for

Skills & competencies

senior software developer

enterprise applications

rest apis

microservices

agile

devsecops

ci/cd

top secret/sci

polygraph

onsite

gaithersburg md

system one

Work arrangement

• Weekend coverage required

Benefits & perks

• Eligible employees may access medical, dental, and vision coverage
• spending accounts
• life insurance
• voluntary plans
• and a 401(k) plan.

Why this role

Requires an active Top Secret/SCI clearance and ability to complete a polygraph examination, plus a bachelor's degree with 8–12 years of relevant experience or a master's degree with 6–10 years. The posting lists medical, dental, vision, spending accounts, life insurance, voluntary plans, and 401(k) options for eligible employees.

About the employer

System One is hiring for this role. Industry: Temporary Help Services. Sector: 56.