Research Engineer — RL Evaluation & Benchmarks

Invisible Technologies Inc.; New York (NY); Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Bonuses and equity

Hybrid work environment

Job summary

Invisible Technologies is building a reinforcement learning capability within its research group. As a Research Engineer, you will design how frontier models are measured, create scoring frameworks, build evaluation architectures, and ship production systems that realize your designs.

Depending on level, you’ll report to the Lead Research Engineer or directly to the VP of Research. This role emphasizes owning methodology and delivering end-to-end solutions.

Qualifications

• Production-quality code written daily; this is a hard requirement.
• Fluency in Python and comfort across the modern ML stack.
• Real experience building evaluation systems, RL environments, or training/inference infra.
• Hands-on with modern agentic flows.
• Familiarity with RL methods and frontier model evaluation; weight on this over years.
• Track record turning ambiguous questions into working systems and shipping results.

Responsibilities

• Design benchmarks and RL environments that measure real model capability.
• Originate evaluation methodology and translate into scoring frameworks and architectures.
• Write and ship production code implementing your designs.
• Build and maintain data pipelines that feed evaluation runs.
• Run analysis to establish result reproducibility and validity.
• Collaborate with Research Scientists, Solutions Architects, and ML engineers.

Skills

Production-quality code

Python & ML stack

Evaluation systems

Agentic systems

Reinforcement learning

Research to production

Tools

Python

ML frameworks

Data pipelines

Job description

Invisible Technologies is building a reinforcement learning capability within its research group. As a Research Engineer, you will design how frontier models are measured, create scoring frameworks, build evaluation architectures, and ship production systems that realize your designs.

Depending on level, you’ll report to the Lead Research Engineer or directly to the VP of Research. This role emphasizes owning methodology and delivering end-to-end solutions.