Lead Ai Engineer

Overview
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Sierra Studio is an AI engineering studio and startup incubator – we turn our customers' ideas into reality
We're based in Los Angeles, but our teammates live all around the world.
We create products across all areas of software — from web and mobile apps to cutting-edge work at the forefront of AI and large language models.
About The Role
As a Lead AI Engineer, you'll lead engineering for one or more AI initiatives at Sierra.
You'll architect the stack, prompt engineer LLMs to solve real world problems, and work with your teammates to do whatever it takes to ship great products.
You'll work closely with product managers, designers, and other engineers to take products from idea to production.
As an early employee at a startup, you'll also be part of creating our culture
Client projects: Work with a startup founder to build the MVP of their idea
Internal projects: Build an internal AI tool to transform our own workflows
Hiring: Help us grow our team and interview future candidates
Leadership: Mentor other engineers to level up our team
We're looking for a lead engineer who has experience building great products with LLMs, whether that's at work or on personal projects.
You've built something cool with LLMs, whether it was for work or a personal project
Experience with prompt engineering, RAG, and agentic patterns
Experience building evals for LLM-powered products
Growth mindset: Ability to quickly learn new skills in the AI space
Strong curiosity about AI and the impact of LLMs
Ability to lead the technical direction of products from idea to production
Ability to work effectively with product, design, and other partners
Ability to contribute to multiple projects at the same time
Software engineering
Backend: Either Python (e.g. FastAPI) or TypeScript experience is nice to have
Bonus skills – nice to have
Experience with finetuning LLMs
Staying up to date with latest research papers in AI
Uses AI tools (Cursor, Claude Code, etc) to supercharge your own coding workflow
You have interesting personal projects you can share with us
Growth mindset: We look to magnify our strengths, take chances, and always learn from our mistakes.
Supportive: We keep our egos out of the workplace and support each other when trying new things.
Product & customer centric: We care deeply about our customers and clients and always keep their needs top of mind.
We build tech to solve real problems.
Ownership: We take initiative, even when it is "not our job."
As a startup, we all wear lots of hats.
Why join us?
At Sierra Studio, we believe in nurturing talent and creating good vibes at work.
We seek inclusion and embrace our differences.
We're all about "growth mindset", and we look to magnify our strengths, take chances, and always learn from our mistakes.
We don't fit our teammates into boxes, and instead we understand that each person has their own unique set of skills that they bring to the table.
If you join us, we'll embrace who you are today, and give you the space and tools to keep growing.
Salary Range: $60,000 - $80,000 annually.
Your exact compensation will be determined based on a variety of factors that reflect your individual qualifications and how they align with the needs of the role.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Engineering and Information Technology
Industries
IT Services and IT Consulting
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