Two Six Technologies
Senior Platform Software Engineer (AI Specialist)
$140K–$200K
Arlington, Virginia +1 · Senior · Full-time · Posted Sep 30, 2026
- Location
- Arlington, Virginia
Arlington, Virginia, United States - Experience
- No specific number of years stated.
- Visa sponsorship
- Applicants must be U.S. citizens and able to obtain and maintain up to a Top Secret/SCI security clearance.
About the job
Owns the internal AI orchestration platform and shared infrastructure, tools, and services that help product teams integrate agentic AI into their applications.
What you'll do
- Build and maintain AI orchestration infrastructure for LLM interactions, tool execution, context windows, and token allocation.
- Develop shared libraries, utilities, and abstractions that enable teams to use AI tools independently.
- Partner with developers to optimize AI guardrails, embedding stores, testing, and platform architecture.
What they ask for
- Engineering experience building and deploying AI agent frameworks, orchestrators, or middleware; familiarity with LangGraph/LangChain and/or PydanticAI.
- Experience across frontend components, API services, and relational databases.
- Proficiency with automated delivery tooling, container orchestration, and packaging systems.
- Agile software development experience and understanding of continuous delivery metrics and automated testing guardrails.
Pay
$140,000 — $200,000 USD annualized base salary
Tools
LangGraph, LangChain, PydanticAI
AI focus
Design, deploy, and maintain AI orchestration infrastructure and shared tools for agentic AI integration, including LLM interactions, tool execution, prompt management, token optimization, and AI testing guardrails.
Model-written summary · the original posting is authoritative