The Role
Build the core platform: design scalable systems to process contracts, develop agentic AI/LLM tools for contract review, set technical priorities with founders, establish maintainable codebase, and recruit/mentor engineers.
Summary Generated by Built In
Welcome to Crosby, the next generation law company.
The Role
What You’ll Do
We're a team of technologists and legal experts working side by side to reimagine corporate legal services from the ground up. We build proprietary technology and human-in-the-loop workflows to radically enhance the lawyer-machine relationship. We want to review complex documents, for example, faster than ever and with perfect quality.
We believe:
- A great legal system is the watermark of a great society.
- Legal work is art and science. We want to discover the frontier between the two and codify the scientific parts, which is a magnificent puzzle.
- Selling work – not software – is the best way to realize the productivity gains of GenAI for professional services.
- In an in-person culture at our NYC office.
Crosby was founded by Ryan (Penn, Stanford Law, ex-Cooley, former GC) and John (Penn M&T, ex-Ramp, ex-Google).
As a Founding Engineer, you’ll have the unique opportunity to define and build the core technology stack that powers Crosby’s platform. You’ll work across the stack—building the robust back-end systems and tooling interfaces needed to deliver on our vision.
In this role, you’ll collaborate directly with the founders, define technical priorities, and ensure the scalability of our platform. You'll have a direct impact on our product and user experience as we create tools to make contract review faster and more efficient.
- Design and implement scalable systems to process contracts at scale.
- Build bleeding-edge agentic AI tools to help the Crosby Legal team review contracts faster.
- Work closely with the founders and cross-functional teams to define and execute on technical priorities.
- Establish the foundation for a robust and maintainable codebase as we grow.
- Mentor and recruit engineers to help build out the team.
- Experience: 3+ years of engineering experience, ideally including Python, TypeScript. Bonus if experience with NLP, LLMs, RL, and Information Theory. Optional: Experience with modern front-end frameworks (e.g., React, Vue, or Svelte).
- Problem-focused: Strong sense of the problem behind a problem, and attention to detail in delivering high-quality products.
- Builder mindset: Excited about the opportunity to create and scale systems from the ground up.
- Collaborative: Effective communicator who thrives in cross-disciplinary teams.
- Ownership: Driven to take responsibility for projects from ideation through execution.
- Curiosity: Passionate about learning and experimenting with new technologies.
- Competitive salary and equity compensation.
- Comprehensive health, dental, and vision insurance.
- Unlimited PTO
- In-person team in NYC with a collaborative, high-energy environment.
Apply now to join Crosby and be part of transforming the legal landscape.
Skills Required
- 3+ years of engineering experience
- Experience with Python
- Experience with TypeScript
- Experience with NLP
- Experience with large language models (LLMs)
- Experience with reinforcement learning (RL)
- Knowledge of Information Theory
- Experience with modern front-end frameworks (React, Vue, or Svelte)
- Willingness to work in-person at the NYC office
- Experience mentoring or recruiting engineers
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The Company
What We Do
The Crosby Company is a family-owned and operated manufacturer specializing in precision metal stamping, deep draw stamping, and fabrication services. With over a century of experience, the company provides high-quality industrial components and assemblies for diverse sectors, including aerospace and defense. They are known for their engineering expertise, custom design support, and commitment to delivering reliable, cost-effective solutions for complex manufacturing projects.
