About the job
About Us
At Braintrust, we are pioneering the AI observability landscape. Our platform seamlessly integrates evaluations and observability into a unified workflow, providing developers with crucial insights into AI behavior in production and powerful tools for enhancement.
Our clients, including renowned teams at Notion, Stripe, Zapier, Vercel, and Ramp, leverage Braintrust to benchmark models, optimize prompts, and identify regressions, transforming production data into superior AI functionality with each iteration.
The Opportunity
We are in search of a motivated Product Engineer who is enthusiastic about crafting tools that users adore and rely on daily. In this role, you will engage closely with our users—developers, product managers, and designers in the AI domain—and significantly influence our product roadmap.
Our platform is built on a high-performance, local-first architecture with a visualization-heavy UI, utilizing modern Typescript and React. Our clientele, comprised of some of the leading technology firms, demands a product that is exceptionally fast, reliable, and user-friendly.
Your Responsibilities
Key responsibilities include:
Guaranteeing a seamless experience for customers enabling AI observability in their systems.
Contributing to the foundational UI architecture with a focus on performance and efficient data loading strategies.
You will also develop user-facing components for Braintrust, such as:
An exceptional prompt playground that accommodates multiple models and thousands of user inputs.
A robust system for managing prompts, configurations, and version comparisons.
A scalable multiplayer human review system.
LLM output analysis and comparison across extensive datasets.
Ideal Candidate Profile
Proficient in Typescript, React, HTML, CSS, SQL, and NextJS.
Experience in founding or working with startups is advantageous.
Familiarity with writing prompts and experimenting with GPT models and applications.
What We Offer
Comprehensive medical, dental, and vision coverage.
Daily lunch, snacks, and beverages provided.
Flexible time-off policy.
Competitive salary and equity opportunities.
AI stipend for continued learning and tools.
Commitment to Diversity
Braintrust is a staunch advocate for equal opportunity in the workplace. We believe in fostering a diverse and inclusive environment.

