Senior Platform Software Engineer (AI Specialist)

Location: Arlington, Virginia; hybrid work with three days per week in the Arlington office. Applicants must be U.S. citizens and eligible to obtain and maintain up to a Top Secret/SCI security clearance.

Salary: $140,000–$200,000 USD annually.

Company

hirify.global builds and deploys products that address complex challenges and support safer global missions.

What you will do

• Architect, scale, and maintain an internal AI orchestration layer for LLM interactions, tool execution loops, context windows, and token allocation.
• Build shared utilities, client libraries, managed agentic skills, and database migration patterns for self-service use by feature teams.
• Evaluate and optimize prompt engineering guardrails, embedding stores, testing patterns, and automated delivery pipelines.
• Design independently hosted, version-controlled, importable platform components with safe rollback and clear operational boundaries.
• Collaborate with stream-aligned developers and advise on UI, API, and data model architecture.
• Share expertise through internal guilds and cross-team workshops.

Requirements

• Proven experience building and deploying AI agent frameworks, orchestrators, or middleware.
• Strong familiarity with LangGraph, LangChain, and/or PydanticAI, plus advanced prompt management, token optimization, and external skill libraries.
• Experience across frontend components, API services, and relational databases.
• Proficiency with automated delivery tooling, container orchestration, packaging systems, and secure-by-default execution environments.
• Experience in Agile software development, continuous delivery metrics, and automated testing guardrails.
• U.S. citizenship and eligibility to obtain and maintain up to a Top Secret/SCI security clearance are required.

Culture & Benefits

• Collaborative, high-trust environment with cross-team technical guilds and workshops.
• Medical, dental, and vision insurance.
• Life and disability insurance, retirement benefits, and paid leave.
• Tuition assistance and professional development support.
• Focus on reliable infrastructure, fast delivery flow, and improved developer experience.