AI Senior Developer - San Francisco ONSITE - Full-Time Contract

Join to apply for the AI Senior Developer - San Francisco ONSITE - Full-Time Contract role at Braintrust .

We’re building a next-generation web application designed to empower product researchers and innovators. The platform helps users analyze companies, uncover opportunities, and document strategies for creating new value. It integrates tools for managing research data, insights, and interviews, bringing together elements of product, marketing, and engineering strategy.

AI is deeply embedded throughout the system, enabling high productivity through intelligent automation, knowledge synthesis, and decision support. The goal is to dramatically improve how teams capture understanding, generate ideas, and turn research into action - all within a cohesive, modern application experience.

Position Overview

We’re looking for a Senior Full-Stack Software Engineer who is motivated by creating real-world impact through rapid innovation. You’ll be building on emerging technologies and pushing boundaries with AI-driven development. This role is ideal for someone who thrives in ambiguity, moves fast without breaking quality, is collaborative and nimble, and takes ownership of both the technical and product outcomes of their work.

You should have experience delivering production-grade systems, a mindset for validating your own work, and the ability to think critically about user needs and business impact. If you get energy from learning fast, experimenting boldly, and bringing structure to dynamic projects, you’ll fit right in.

The ideal candidate is passionate about next‑gen software engineering methods and is able to take high level objectives, break them down, communicate their understanding, and make forward progress by making and communicating technical decisions in a dynamic environment.

This is an on‑site position in San Francisco.

Must-Have Traits

• Excellent Communication : You articulate your ideas clearly, respectfully advocate for your work, and actively listen to others. You adapt your communication style for non‑technical audiences and work collaboratively to build consensus.
• Production Mindset : Proven experience deploying and maintaining scalable production systems.
• Impact‑Oriented : Motivated by outcomes. Seeks to build things that make a real‑world difference.
• Product Ownership Mentality : Thinks critically about the why behind each feature; tests and validates their own work as if they were the end user.
• Bias for Action : Comfortable with ambiguity, making and communicating assumptions, and driving progress without perfect information.
• Continuous Learner : Excited to learn and apply emerging technologies, particularly AI‑enhanced workflows.
• Collaborative but Independent : Enjoys brainstorming and teamwork but can also make thoughtful, independent decisions.
• Proficiency in Fundamentals : You have a solid grasp of computation principles, including complexity analysis and concurrency management.
• AI Enthusiast : You’re excited about the AI revolution and ready to reimagine how development is done, leveraging AI tools to achieve extraordinary results.
• Education : CS or similar degree preferred.

Key Responsibilities

Tech Stack & Tools

Why Join Us?

This is your opportunity to be at the cutting edge of software development, driving innovation and products end‑to‑end in a dynamic landscape. If you’re passionate about creating impactful solutions, embracing new challenges, and building AI‑enhanced development, we’d love to hear from you.

Employment Type

Full‑time

Seniority Level

Mid‑Senior level

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