Job Description

About Native

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Native is a VC backed AI startup in stealth, building the most accurate AI over highly complex data. This is

hard

. This is an unsolved problem with the potential to change how every large enterprise operates.


We are hiring exceptional research engineers to develop a new class of AI agents at the frontier of post-training, reinforcement learning, and agent architectures.

About the role

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This is a founding role, with opportunity to set the research agenda and shape the architecture from day one.

Drive foundational research into agent algorithms and coordination. Develop and implement new approaches to agent scaffolding, orchestration, and memory. Design innovative post-training objectives that align agents with complex enterprise reasoning tasks. Scale training and evaluation pipelines for new multi-agent systems. Guide an exceptional team of research engineers and scientists.

Required experience

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Proven ability to lead research teams tackling hard problems. PhD/MSc in Mathematics, Physics, Computer Science or a related field. Hands-on experience building and training large-scale models with modern ML tools (PyTorch, Ray, JAX). Strong background in LLM post-training and agent architectures. Track record of publications at top conferences (NeurIPS, ICML, ICLR, ACL etc.). Experience optimising training runs on GPU clusters. Able to take ownership of whatever needs doing. Nice to have: Experience with applied reinforcement learning.

Why join us

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This is a rare chance to join a founding team operating at the frontier of AI, with the resources to win.

Impact

:

You will push the frontier of AI agents and post-training in a massively valuable and under-explored domain. Team: We are a small,

collaborative

, world-class research team based in central London. We've already achieved rank #1 on leading public benchmarks, and we're just getting started. Founding level equity + competitive salary: We want you to share in the upside of what we are building. As part of the founding team you will receive meaningful ownership alongside a salary that allows you to focus on building something great. Direction: Chance to shape the direction of a new class of foundation model from day one.

Culture

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###

"It doesn't make sense to hire smart people and tell them what to do"


At Native, we look for people with exceptional research and engineering ability, who want to win.


Everyone loves building, and is ambitious enough to want to change how the world operates for the better.


We run towards hard problems.


We are creative problem solvers, who keep going until we find the underlying principle of the problem, and build to solve that.


If you have an entrepreneurial spirit, are intrinsically motivated and want to have a huge impact, we are a great fit.

Interview Process

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Introduction call (remote) Take home technical challenge and discussion call (remote) Technical interview (In-person London, possible remote) * On-site final interview (In-person, London)