crosby
crosby10mo ago
New
$220K – $300K • Offers Equity/yr

Senior Software Engineer

New York Cityfull-timesenior
Software EngineerSoftware Engineering
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Quick Summary

Overview

Welcome to Crosby, the next-generation law company! We're a team of technologists and legal experts collaborating closely 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.

Key Responsibilities

As an 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.

Technical Tools
pythonreactsveltetypescriptvue

We're a team of technologists and legal experts collaborating closely 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. Our mission is to review complex documents faster than ever and with perfect quality

Crosby was founded by Ryan (Penn, Stanford Law, ex Cooley, former GC) and John (Penn M&T, ex Ramp, ex Google).

  • A great legal system is the watermark of a great society.

  • Legal work is an 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.

  • As an 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.

Responsibilities

~1 min read
  • 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.

  • 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.

Requirements

~1 min read
  • Strong Python, TypeScript skill set

  • Strong experience with NLP, LLMs, RL, and Information Theory.

  • Experience with modern front-end frameworks (e.g., React, Vue, or Svelte).

What We Offer

~1 min read
Competitive salary and equity compensation.
Comprehensive health, dental, and vision insurance.
Unlimited PTO
In-person team in NYC with a collaborative, high-energy environment.

Location & Eligibility

Where is the job
New York City
On-site at the office
Who can apply
Same as job location

Listing Details

Posted
June 13, 2025
First seen
May 6, 2026
Last seen
May 8, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
25%
Scored at
May 6, 2026

Signal breakdown

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crosbySenior Software Engineer$220K – $300K • Offers Equity