UI Full Stack Developer
Role details
Job location
Tech stack
Requirements
3+ years of non-internship professional software development experience Experience building production web applications with TypeScript and a modern React framework (React/Next.js) Experience building and operating backend services or APIs (e.g., FastAPI, Node) that a frontend consumes Experience with real-time or streaming interfaces (Server-Sent Events, WebSockets, or equivalent), including handling reconnection and out-of-order events Experience with automated testing at the unit and end-to-end level (e.g., jest, Playwright) as part of the definition of done Experience diagnosing defects across the stack - from a client-side symptom to the backend route or payload that caused it - using logs and traces as evidence, Experience building interfaces for AI/agentic or other long-running, streaming systems (token-by-token output, tool-call visualization, document classification result rendering, run/trace inspection) Experience with GenAI/LLM integration: prompt engineering workflows, model evaluation dashboards, fine-tuning pipeline UIs Experience deploying applications in AWS GovCloud or classified (IL5/IL6) environments Experience integrating with DoD identity providers and CAC/PIV authentication Experience with client and server state management and optimistic-update patterns Proficiency using AI coding assistants as a daily driver, with the judgment to verify their output against tests and traces before merging Experience with distributed tracing (OpenTelemetry) from the application side Experience with AWS services: Amazon Bedrock, S3, Lambda, Step Functions, CDK Bachelor's degree in Computer Science or equivalent practical experience
Program Qualification Run an engineering practice driven by evaluation, testing, and verification - changes are proven with tests, traces, and metrics before they are called done Operate agentic systems fluently (MCP tools, Bedrock/LLM calls, streaming, distributed traces) in support of GenAI IDP document classification and field extraction workflows Work within DCSA classified environments (IL5/IL6) following DoD security baselines and STIG compliance requirements Support the GenAI IDP solution: prompt engineering, model fine-tuning, evaluation logic for document section classification and extracted field validation Use AI coding assistants heavily as daily drivers, while remaining skeptical of their output and holding it to the same evidentiary bar as any other code Current, active Top Secret clearance Current, active Security+ or equivalent certificate for privileged user access
Benefits & conditions
Salary Range: $190,000 - $225,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.)
Benefits: Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridiron's benefits programs.
Gridiron IT Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status.