AI Engineer

Fathom is the #1 AI Notetaker. Most installed AI meeting assistant on both Zoom and HubSpot marketplaces. #1 Most Used App of the Year on HubSpot for 2025, #1 Rated on G2 with 4,500+ reviews and a perfect 5/5 rating, #1 Product of the Day and #2 AI Product of the Year on Product Hunt. We created Fathom to eliminate the needless overhead of meetings — our AI assistant captures, summarizes, and organizes the key moments of your calls.

Role Overview:

As an AI Engineer at Fathom, you'll be hands-on with LLMs, prototyping and refining our features. Your work will directly shape our product by generating practical specifications that steer our engineering team towards impactful updates and novel capabilities. This role is a hybrid of engineering / analytics / product management / research. It would suit someone already in an AI Engineering role as well as software engineers or data scientists that have gone deep into building AI features.

This role is open to the US only and requires 3 days per week in-office in San Francisco, California.

What you'll do:

• By 30 Days: Upgrade existing features to be smarter and/or faster by combining your prompt engineering experience with the latest available models. Improve or create new evaluations for our existing features.
• By 90 Days: Prototype new AI features that address valuable use cases. Fine-tune models for our specific needs. Develop new processes to speed up how we migrate to new AI models.

Requirements:

Hard Skills:

• Experience with prompt engineering — able to prompt LLMs to achieve outstanding and reliable outcomes
• Proficient in Python and able to hack together end-to-end prototypes
• Foundational analytics (able to manipulate data in Python or SQL)
• Master's degree in a related field
• Previous experience in fine-tuning LLMs is highly desirable

Soft Skills:

• Attention to detail and a high level of scrutiny for impactful applications of LLMs
• Curiosity-driven and pragmatic with a focus on delivering results
• A generalist mindset with the ability to dive deep into a wide range of challenges
• Resilience and an ability to grind through complex problems
• Strong collaborative skills

Application: Include a quick demo of something you made with LLMs that you're really excited about (link to a short video or repo).

Values: Care Deeply, Seek Leverage, Share Ownership, Sustain Urgency, Be Tenacious.