Founding Full Stack Engineer

Founding Full Stack Engineer

Location: Remote (US-based, NYC preferred)
Company Stage of Funding: Pre-Series A
Office Type: Remote
Salary: $180,000 – $220,000 + 0.2%–0.5% Equity
Visa: H1B transfers / TN only (No new sponsorship)

Company Description

Our client is building mission-critical AI infrastructure for trial attorneys, enabling legal teams to leverage highly reliable AI systems for litigation workflows where correctness is absolutely non-negotiable.

Their platform powers legal intelligence workflows across document extraction, legal research, agent orchestration, and courtroom-grade AI reliability systems.

This is a rare opportunity to join as one of the earliest engineers at a fast-growing legal AI startup, working directly with founders and shaping the technical foundation of a product operating in one of the highest-stakes AI domains.

What You Will Do

Build and ship features across the full stack

Work across React, Next.js, TypeScript, Python, SQL, and AI systems

Own product development end-to-end

Build and maintain agent orchestration systems

Develop sub-agent workflows and tool-use patterns

Build reliable RAG pipelines

Design anti-hallucination safeguards for legal AI outputs

Own third-party integrations from scoping to deployment

Contribute to backend performance optimization

Work directly with founders on product direction

Improve reliability and system scalability

Move quickly across frontend, backend, and AI infrastructure

Build polished product experiences for legal users

Ship rapidly in a high-intensity startup environment

Ideal Candidate Background

3–8 years of full-stack engineering experience

Strong production software shipping experience

Strong JavaScript / TypeScript / Python / SQL proficiency

Experience building full-stack production systems

Startup engineering experience

Ability to work autonomously

Strong systems thinking

Experience working across frontend and backend

Comfort in highly ambiguous environments

Strong ownership mindset

Ability to context-switch rapidly

Strong technical judgment

Strong Signals

Built LLM-powered products in production

Agent / sub-agent orchestration experience

RAG pipeline production experience

Eval-driven development experience

Former founding engineer or ex-founder

Early-stage startup experience

Legal tech or regulated-industry experience

Deep AI tooling fluency

Strong side projects

Fast shipping velocity

Ability to audit AI-generated code critically

Product-minded engineering instincts

Experience with integrations-heavy systems

Strong remote ownership

High startup intensity tolerance

Compensation and Benefits

Base salary: $180,000 – $220,000

Equity: 0.2%–0.5%

Remote-first flexibility

Founding-level ownership

Direct access to founders

Meaningful technical decision-making authority

High upside pre-Series A opportunity

Complex AI engineering challenges

Why Join

This is a founding engineering opportunity to work on AI systems where correctness truly matters.

You’ll build legal AI infrastructure for trial attorneys, where technical rigor directly impacts real-world legal outcomes.

If you want founding-level ownership, deep AI systems work, and the chance to build highly reliable production agent systems from the ground up, this role offers exceptional leverage.