Commercial Counsel

About Us

At Lang Chain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production‑ready AI agents that teams can rely on. We began as widely adopted open‑source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents ay, Lang Chain, Lang Graph, Lang Smith, and Agent Builder are used by teams shipping real AI products across startups and large enterprises.

Millions of developers trust Lang Chain to power AI teams at companies like Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500. With $125M raised at Series B from IVP, Sequoia, Benchmark, Capital

G, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. Lang Chain is a place where your contributions can shape how this technology shows up in the real world.

Lang Chain builds infrastructure that powers AI‑native applications. Our open‑source framework and commercial products enable developers and enterprises to build, deploy, and scale applications with large language models. We are seeking a business‑minded Commercial Counsel with experience drafting, redlining, and negotiating sales agreements with sophisticated global and domestic organizations. This role will serve as a key legal partner to our Go‑To‑Market organization and cross‑functional stakeholders across the company, helping to accelerate revenue while thoughtfully managing risk.

This is a full‑time, hybrid position based in our New York City office. Our hybrid work model offers a blend of remote flexibility and in‑person collaboration, including designated in‑office days each week to connect and build as a team.

• Support Lang Chain’s Sales and Partnerships teams by drafting, reviewing, and redlining customer‑facing commercial agreements, including MSAs, order forms, DPAs, security addenda, and related amendments
• Negotiate directly with customer and partner counsel to drive agreements to execution
• Partner closely with Sales, Rev Ops, Finance, Security, and Product to facilitate efficient deal execution while balancing legal and business risk
• Advise on contractual issues related to data protection, privacy, security, intellectual property, AI/LLM usage, liability, and compliance in a SaaS environment
• Provide practical, business‑focused legal guidance to help close deals while maintaining scalable contracting processes
• Contribute to the development and continuous improvement of contract templates, playbooks, fallback positions, and negotiation guidelines
• Support cross‑functional initiatives related to product launches, pricing strategy, new go‑to‑market motions, and customer lifecycle matters
• Identify trends in customer redlines and help evolve standard commercial positions to support scale

• 7–12+ years’ experience negotiating and drafting commercial sales agreements, including in‑house experience at a SaaS, infrastructure, or technology company and/or a law firm
• Strong experience negotiating SaaS, cloud, or technology agreements in support of direct enterprise sales teams
• Demonstrated experience redlining complex agreements at scale
• Working knowledge of data privacy, security, intellectual property, and technology contracting issues in a B2B SaaS context
• Comfort advising on emerging AI‑related contractual issues (e.g., model outputs, data use, acceptable use restrictions, indemnities)
• Ability to balance legal risk with business objectives in a fast‑paced, high‑growth environment
• Strong communication skills and comfort advising non‑legal stakeholders
• Highly organized, responsive, and able to manage multiple priorities simultaneously
• High attention to detail with strong ownership and drive
• Admitted to practice law in the applicable jurisdiction (New York preferred or ability to register as in‑house counsel in NY)

We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks. Benefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, and life insurance. Actual compensation and offerings will vary based on role, level, and location. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.

Annual salary range: $220,000 - $260,000 USD