LM Studio
Software Engineer, Agent Harness
$150K–$350K
New York City · On-site · Full-time · Posted Aug 7, 2026
- Experience
- Significant experience required; no number of years stated.
About the job
Build the core agent harness behind Bionic, improving how open models handle codebases, documents, files, software tools, and user computers across local and cloud environments.
What you'll do
- Build and improve Bionic’s agent harness, including conversation history, context, tool results, interruptions, and failure recovery.
- Make local and cloud models reliable with files, search, Git, the shell, web tools, and document tools; integrate open models and optimize their performance.
- Create repeatable agent evaluations and diagnostics, and improve the complete system across Bionic, the LM Studio runtime, and LM Studio cloud.
What they ask for
- Significant experience building production software involving language models, developer tools, or automation.
- Strong understanding of tool calling, structured model output, context construction, and streaming inference.
- Experience building stateful systems that perform multi-step work and recover cleanly from failures.
- Excellent TypeScript and general software engineering fundamentals.
Nice to have
- Deep interest in open models and a practical understanding of their strengths and limitations.
Pay
$150K – $350K (USD, base salary)
Tools
TypeScript, Git
AI focus
Build and optimize an agent harness for open models, including tool use, context management, model integration, failure recovery, and agent evaluation.
Model-written summary · the original posting is authoritative