Lead AI Engineer – Remote, End-to-End Delivery

matteria; United States; Remote; USD 120,000 - 210,000; Full time

Benefits offered by this job

Trust-based time off

Equipment stipend

Annual learning and conference budget

Health coverage per local market

Career progression opportunities

Job summary

Momentous is hiring a Software Engineer to own end-to-end delivery on the production AI systems we build for our clients. You will own the work shipped under your name, pair with senior engineers on the more complex builds, and contribute to architectural decisions on the systems you build, alongside senior engineers.

Key responsibilities include delivering features end-to-end, collaborating with teams across AI products, knowledge platforms, and infrastructure, and communicating clearly with

Qualifications

• 5+ years shipping production code with end-to-end ownership of features.
• Full-stack range across modern web (TypeScript, React, Next.js) and a backend language (Python or Node), with comfort across relational databases and a cloud platform (we use GCP).
• Working fluency with Claude Code or comparable agentic engineering tooling - used daily on real work, with the judgement to direct AI on multi-step tasks and identify when its output is wrong.
• Strong async written communication: PR descriptions, design notes, written code reviews.
• Direct comfort in front of a client: standups, demos, scoping conversations.

Responsibilities

• Own end-to-end delivery of features and projects: design, implementation, deployment, and the client conversation around them.
• Pair with senior engineers on complex builds, owning meaningful slices independently.
• Build production AI workflows: RAG components, integrations across cloud platforms, agentic automations.
• Review pull requests from associate engineers.
• Write design notes that the team uses; contribute to architectural conversations.

Skills

End-to-end ownership

Client-facing

Strong async written communication

Team management experience

Bilingual English/Spanish

Tools

TypeScript

React

Next.js

Python

Node.js

GCP

Vertex AI

Claude API

Gemini

Open-source contributions

Job description

Momentous is hiring a Software Engineer to own end-to-end delivery on the production AI systems we build for our clients. You will own the work shipped under your name, pair with senior engineers on the more complex builds, and contribute to architectural decisions on the systems you build, alongside senior engineers.

Key responsibilities include delivering features end-to-end, collaborating with teams across AI products, knowledge platforms, and infrastructure, and communicating clearly with