MAROSI
Join the lab
Careers.
A small lab of senior people building the software their clients’ next decade runs on. Every seat here changes the company, so we hire slowly, for craft and for judgment. All roles are remote.
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Machine Learning Researcher
Own the questions our client work keeps raising: how to evaluate agents, when fine-tuning beats context engineering, why retrieval fails. You run experiments on production problems and publish what holds as field notes.
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Senior Machine Learning Engineer
Take AI systems from a working demo to software that survives production: agents, retrieval pipelines, eval harnesses, and the plumbing underneath them. You have shipped models that real users depend on.
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Product Engineer
Build whole features end to end, from the data model to the last pixel. You sit close to the client, own your slice, and ship working software every week.
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Senior Software Engineer
Design the load-bearing systems our clients’ next decade runs on: APIs, data platforms, cloud infrastructure. You reach for boring technology first and know exactly when not to.
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Senior Product Designer
Design the products we build: flows, interfaces, and the details between them. You work inside the build, next to the engineers, not ahead of them.
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Product Engineer (Intern)
Ship real features on real client work, with a senior engineer beside you. Your code goes to production, not into a drawer.
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None of these fit?
Good people rarely match a template. Skip the cover letter and tell us what you would build here. One email is enough.
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