540
540

Full Stack Engineer

June 12, 2025
Full-time
Remote · Arlington, VA
Entry level
Back-end Developer
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540 is seeking a Full Stack Engineer to support the development and maintenance of scalable, secure and user-friendly web applications. You'll contribute to both front-end and back-end code, collaborate with team members in an Agile environment and follow best practices for coding, testing and documentation.

This is a DoD project that supports the Defense Acquisition community in making authoritative and trusted data available for analysis, oversight, insight, and decision-making over a large portfolio of acquisition programs. The team manages a central platform that integrates and shares acquisition data through modern APIs, with front- and back-end tools supporting user interaction and reporting. This single point of access is architected on top of a governed data framework to ensure consistency spanning upstream data providers and downstream data consumers. The platform has officially supplanted its predecessor (having achieved Initial Operating Capability) and is transitioning to Full Operating Capability, requiring an efficient and integrated contractor team to maintain, enhance, sustain, and test the system using Agile and DevSecOps practices.

Location: Remote within the continental United States, East Coast working hours with some flexibility afforded

Citizenship & Clearance Requirement: per client requirements, must be a US Citizen with the ability to obtain a DoD Secret clearance

Education Requirement: Bachelor's Degree

540 Internal Thrive Level: Software Engineer II

WHY 540?

540 is a forward-thinking company that the government turns to in order to #GetShitDone. We do more than talk about it, we break down barriers to innovation and build impactful tech. We're looking for someone with big ideas, who thrives on innovation and is a self-starter. If you love to learn about and work with new technologies, we want to talk to you.

REQUIRED SKILLS & EXPERIENCE

  • 3+ years of software development experience
  • Experience Java and frameworks such as Spring
  • Front-end development experience using Angular, HTML, CSS and JavaScript
  • Familiarity with REST APIs
  • Experience using Git for version control and working with shared repositories
  • Exposure to unit testing and/or API testing using tools like JUnit or Postman
  • Experience working in a team-based Agile environment

NICE TO HAVE SKILLS & EXPERIENCE

  • Familiarity working in cloud environments (Azure preferred)
  • Experience with SonarQube or other code quality tools
  • Familiarity with Swagger/OpenAPI specifications and API-first development
  • Exposure to CI/CD pipelines using Jenkins, Gitlab, Docker and Artifactory

BENEFITS & PERKS

  • Health, dental and vision insurance plans
  • Flexible Spending Account (FSA)
  • 401k with employer match
  • Company Sponsored Life Insurance, Short and Long Term Disability coverage
  • Flexible PTO + all Federal holidays off
  • Professional development opportunities (training, certifications, conferences)
  • Paid cloud developer accounts
  • Referral Bonus - good people know good people
  • Annual Social Events (540 week, hackathon, charity golf tournament, etc.)
  • Access to 540's Washington Capitals & Nationals tickets

EQUAL EMPLOYMENT OPPORTUNITY (EEO)

540's policy is to provide equal employment opportunity to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.