Senior/Staff Software Engineer
New York, onsite, senior, full time
posted 31 Jul 2026
About the role
Senior & Staff Full-Stack Engineers | AI Legal Research Startup | NYC
Primis is partnered with a seed-stage AI startup building the future of legal research.
Our client's product helps everyone make better legal decisions by better understanding the law. About one-third of important U.S. law isn't accessible via mainstream AI chatbots, and much AI-generated legal analysis is wrong. They're building one of the largest collections of U.S. law in existence and using AI to make it usable, accurate and trustworthy.
They're still in stealth, backed by tier-1 VCs and several of the most prominent experts in legal technology, with live engagements with some of the best law firms in the world. Demand is strong and growing, they need people to help fill it.
They're hiring a small team of extremely talented, motivated, intense and interesting people to solve one of the hardest and most important problems in legal tech: delivering high quality answers to legal questions. This isn't a 9-to-5, expect real intensity, real ownership, and market-leading compensation including meaningful equity.
What you would do
* Build and ship the product surface, from data-heavy interfaces to the systems connecting users to a massive legal knowledge base
* Work closely with design and applied AI to turn complex legal reasoning into a clean, trustworthy user experience
* Own features end to end in a small, fast-moving team with direct customer exposure
* Help shape core technical patterns and practices from the ground up on a tiny, senior team
What they are looking for
* Senior or Staff level full-stack engineering experience, with a track record of shipping real products end to end
* Strong technical foundation across modern frontend and backend stacks
* Ideally, experience at an early-stage startup or similarly high-ownership environment
* Genuine interest in AI systems, legal or regulated-domain problems, and building software that has to be correct, not just plausible
* Comfortable with limited structure, high intensity, and real ownership on a small team
* Strong communicator, able to work closely across engineering, design and subject-matter experts
This role is full-time and in-person in NYC.
Interested? Please apply for more info!
ADVERT DISCLAIMER Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply, don't worry if you don't tick every single box. We'd still love to hear from you. We encourage underrepresented talent to apply to all our roles and support accessibility needs.
* ##### Charlotte Boyle
* Charlotte
* +1 929 865 0149
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