Founding Engineer (AI Engineering)

Momentic•San Francisco, CA

2d•Onsite

About The Position

At Momentic, we’re building the future of quality. We’re building the the all-in-one quality platform powered by state of the art agents to help our customers ensure quality at every stage of the SDLC. Top engineering teams at companies like Notion, Bilt, Quora, and Xero use Momentic to ship high quality product. Millions of Momentic tests are executed every single day. Our product has a very large problem space so there’s a ton of stuff to build and take ownership of - we’d be excited to get your help as we're hiring several extremely talented software engineers across the stack. The product We’re building the AI-native automated testing platform Our product is incredibly sticky. Our customers run us on every pull request and merge and before each deploy as quality gates Our product is leagues ahead of competitors and the status quo today (think Selenium/Cypress/Playwright) Check out the demo video on our website About us We’re a lean team of 12 (ex Robinhood, Retool, WeWork, Qualtrics, Assembled) Located in-person San Francisco (650 5th St.) Recent Series A raise of $15M led by Standard Capital, with participation from existing investors - Y Combinator, FCVC, and Transpose Platform. You’re perfect for this role if… You enjoy solving hard problems that have both product and technical ambiguity You have strong engineering fundamentals, code efficiently, and you know what you're great at and what you're less great at You dislike meetings and would much rather focus your time on building, being productive, and shipping code You thrive when you have autonomy, own as many of the details as possible, and project manage your own work You're in SF or you're willing to relocate, you love working in-person, and you're serious about joining us to build a culture we'll all love

Requirements

Experience with LLM performance tuning, including prompt engineering and context management strategies
Experience with LLM evaluations and observability
Experience integrating LLMs into real-world applications using a modern tech stack (Python, TypeScript, etc.)
3+ years of experience

Nice To Haves

Experience with supervised or reinforced fine-tuning
Experience with classical machine learning techniques such as template matching, bounding box detection, and OCR
Experience running statistical experiments