Lead AI Surfaces Engineer - Hybrid/Remote, Equity Eligible

Relativity; United States; Hybrid; USD 150,000 - 224,000; Full time

Benefits offered by this job

DTO

Parental leave

Equity program

Job summary

Relativity is seeking a Lead Software Engineer for Gavel to own a major area of the product, such as a family of agents or a core capability including the context pipeline, evaluation platform, or Word integration. You will own the technical plan across the front end, harness, and data layer, and guide the team through design, testing, and releases.

This hands-on leadership role spends roughly half of your time coding and requires collaboration with the CTO, Staff Engineer, and cross-functional

Qualifications

• 8+ years building production software in service-oriented, continuously deployed teams.
• At least 1 year shipping LLM-based products or features to real users.
• Experience building full-stack web applications and agentic applications with ownership of at least one agentic capability in production.
• Experience with evaluation, including [LLM-as-judge], metrics selection, and linking offline results to online outcomes.
• Strong grasp of retrieval and context engineering, embeddings, hybrid search, and context budgeting.
• Cloud infrastructure experience with AWS or Azure; comfortable with containers, CI/CD, IaC, and production observability.
• Fluency in TypeScript or Python and ability to work across stack (React, Node or Python services, PostgreSQL).
• Experience leading a small team through planning, reviews, and hiring; able to deliver code while guiding others.
• Clear written and verbal communication, including explaining model-quality regressions to non-technical stakeholders.

Responsibilities

• Own the technical roadmap and delivery for your area from design to production monitoring.
• Design and build agents and the infrastructure they run on, including prompts, context assembly, and UI experiences.
• Run evaluation and release loops for agents; track acceptance rates and plan when changes are ready to ship.
• Model a modern software development lifecycle with small, frequent commits and controlled deployments.
• Partner with leadership, product, and design on what to build next and engage with customers.
• Lead design reviews, establish coding/testing standards, and mentor engineers; participate in hiring.
• Collaborate with Relativity platform and security teams on shared infrastructure and compliance.

Skills

TypeScript

Python

React

Node.js

PostgreSQL

AWS

CI/CD

Observability

Tools

AWS

Azure

Containers

CI/CD

Infrastructure as Code

Kubernetes

Job description

Relativity is seeking a Lead Software Engineer for Gavel to own a major area of the product, such as a family of agents or a core capability including the context pipeline, evaluation platform, or Word integration. You will own the technical plan across the front end, harness, and data layer, and guide the team through design, testing, and releases.

This hands-on leadership role spends roughly half of your time coding and requires collaboration with the CTO, Staff Engineer, and cross-functional