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Full-Stack Platform Engineer

OpenTeams
Location
Washington, DC Metro; Denver, CO Metro; or Colorado Springs, CO - Hybrid/Remote
Posted
18 days ago
Department
Technology
Salary
$145,000–$250,000
What they actually want (must-haves)
  • U.S. citizenship and eligibility to obtain and maintain a U.S. security clearance
  • 5+ years of full-stack or backend engineering experience, with an emphasis on API-first services
  • Proficiency in Python, TypeScript, Go, or a comparable programming language
  • Experience designing, documenting, versioning, and maintaining REST or GraphQL APIs used by external teams or integrators
  • Working proficiency with a modern component-based frontend framework such as React, Vue, or Svelte
  • Familiarity with the patterns AI interfaces depend on
Nice to have
  • Experience building headless platforms, developer platforms, or public API products
  • Experience building user interfaces on top of LLMs, agents, or other AI/ML services
  • Experience developing human-in-the-loop review, scoring, annotation, or adjudication tooling
  • Familiarity with Government identity and access-management standards
  • Experience developing Jupyter notebooks, SDK examples, or technical enablement materials for analyst and data science audiences
What the job really is

The Full-Stack Platform Engineer role involves building both the API surface and the analyst-facing interfaces for an AI platform. Responsibilities include designing and maintaining APIs for various workflows, implementing identity federation, and developing user interfaces for analysts. The position also requires producing documentation and integration guides to support external teams and ensuring the platform's reliability and security.

Benefits
  • Medical, Dental & Vision – 100% paid for employees, 75% for dependents
  • 401(k) Match – Up to 5% with full vesting after 2 years
  • Unlimited PTO – With a required minimum of 15 days off annually
  • Fully Remote Setup – Includes up to $3,000 equipment reimbursement
  • Continuous Education – Includes up to $500 reimbursement
  • Disability & Life Insurance – 100% employer-paid
Things to weigh
  • Position is contingent upon contract award
  • Travel of up to 15% may be required
  • The role emphasizes API design and stability, which may impact the development process
  • Remote work is allowed for unclassified tasks, but classified responsibilities may require onsite work
Job score4.4/5
Benefits4/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency5/5

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