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Posted May 4, 2026

GPU Performance Engineer

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About the team

Adaptive ML is building a reinforcement learning platform to tune, evaluate, and serve  specialized language models. We are pioneering the development of task-specific LLMs using synthetic data, creating the foundational tools and products needed for models to self-critique and self-improve based on simple guidelines. Adaptive Engine enables companies to build and deploy the best LLMs for their business. Our founders previously worked together to create state-of-the-art open LLMs. We closed a $20M seed with Index & ICONIQ in early 2024 and are live with our first enterprise customers (e.g., AT&T).

Our Technical Staff develops the foundational technology that powers Adaptive ML in alignment with requests and requirements from our Commercial and Product teams. We are committed to building robust, efficient technology and conducting at-scale, impactful research to drive our roadmap and deliver value to our customers.

About the role

As a GPU Performance Engineer in our Technical Staff, you will help ensure that our LLM stack (Adaptive Harmony) delivers state of the art performance across a wide variety of settings; from latency-bound regimes where serving requests with sub-second response times is key, to throughput-bound regimes during training and offline inference. You will help build the foundational technology powering Adaptive ML by delivering performance improvements directly to our clients as well as to our internal workloads. We are looking for self-driven, business-minded, and ambitious individuals interested in supporting real-world deployments of a highly technical product. As this is an early role, you will have the opportunity to shape our research efforts and product as we grow.

This is an in-person role based at our Paris or New York office.

Your responsibilitiesYour (ideal) background

The background below is only suggestive of a few pointers we believe could be relevant. We welcome applications from candidates with diverse backgrounds; do not hesitate to get in touch if you think you could be a great fit, even if the below doesn't fully describe you.

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