Startups · AI

Applied AI Research Engineer

Code Metal · Boston Hub · Remote

← All jobs
About Code Metal

Code Metal: Verifiable, AI-enabled code translation. For companies doing edge development, code portability, and code modernization across industries like automotive, defense, semiconductors, and aerospace. Speed time-to-market, meet safety and compliance... Backed by Accel.

About the role

We're building next-generation AI systems that help military planners explore, compare, and evaluate operational courses of action. Our work combines frontier language models, simulation, planning, and verification into human-in-the-loop decision-support systems for defense applications.

What they're looking for

  • Bachelor's or Master's degree in Computer Science, Machine Learning, Engineering, Mathematics, Physics, or a related technical field, or equivalent practical experience
  • 3+ years building AI, machine learning, or applied research systems
  • Strong Python engineering skills
  • Experience with PyTorch and modern LLM tooling (Transformers, vLLM, Hugging Face, etc.)
  • Experience building or deploying agentic AI systems, tool-calling workflows, or multi-step reasoning pipelines
  • Experience fine-tuning, evaluating, or serving language models
More about this role

Code Metal is the leader in automated software engineering you can trust. As AI writes more of the world's code, the bottleneck in software has shifted from writing code to verifying it works, and AI cannot verify its own work with certainty. Code Metal takes a fundamentally different approach: constrain AI to what it does reliably, verify every step independently of the model using formal methods, and keep engineers in the loop on the decisions that matter. The result isn't code that probably works — it's code that is provably correct, with auditable proof. Customers including the U.S. Air Force, L3Harris, RTX, and Toshiba use Code Metal to modernize legacy code, optimize performance on real hardware, and move prototypes to production, fast. Founded in 2023 with offices in Boston and San Francisco, Code Metal is funded by Accel, Salesforce Ventures, B Capital, Smith Point Capital, J2 Ventures, Shield Capital, Overmatch, RTX, and others.

Learn more at codemetal.ai .

We're building next-generation AI systems that help military planners explore, compare, and evaluate operational courses of action. Our work combines frontier language models, simulation, planning, and verification...

Read the full posting on Code Metal's site ↗

Research

Build your edge while you search

Free tools for founders and investors, plus VC Unfiltered, our take on startups, venture and the people who build them.