5-7 years of experience in software engineering or related field
Proficient in building complex systems independently
Experience with real-time streaming and AI infrastructure
Strong understanding of user-centered design and human behaviors
Ability to balance rapid development with thoughtful architecture
Responsibilities
Develop and own core system architecture for AI interview processes
Design and implement voice and video AI agents for real-time conversations
Create and maintain dynamic people graph for precise participant recruitment
Build an adaptive AI researcher that understands user intent and synthesizes responses
Collaborate closely with product teams to influence direction based on technical insights
Benefits
Opportunity to work on a groundbreaking AI project with immediate market demand
Fast-paced startup environment with significant ownership of projects
Collaborative team of experienced technical founders
Ability to shape company culture and influence product decisions
Access to cutting-edge technology in AI and human interaction
Full Job Description
Founding Engineer
The Role You will:
Own and scale the recruitment engine, the algorithm that finds any niche audience in the world through network traversal targeted ads, referrals, automated outbound, and anything else you can come up with.
Build and extend the Terac API that research tooling companies and AI data companies integrate against.
Ship the AI moderator, our voice agent that screens candidates, evaluates long-horizon tasks, detects cheating, and handles multi-language conversations.
Design the expert network experience, including onboarding flows, opportunity matching, payouts, and trust systems that make experts want to stay on the platform.
Work directly with the CTO to shape technical direction across Next.js, TypeScript, tRPC, Drizzle, Neon Postgres, LiveKit, and the Vercel AI SDK.
You are:
A high-agency builder with 3+ years of fullstack experience.
Fluent in modern web stacks (TypeScript, React, Postgres).
Experienced with LLMs, voice AI, or AI SDKs (Vercel AI SDK, Gemini, LiveKit).
Excited by marketplace dynamics like matching, routing, pricing, and network effects.
Maybe a former founder or lead who is hungry to build again.
Why now:
We are at the inflection point, shifting from a research tool into a platform company with 10+ API integrations launching in the next quarter.
The human data market for AI training is exploding and we have the recruitment infrastructure already built.
You would be joining a 10-person team with 9M in funding and a growing base of happy customers.
Misc
We operate in-person six days per week in our downtown SF office
Compensation: Competitive salary, menaingful equity vested over four years, $10K relocation bonus (for moving to the Bay Area), and an additional $5k housing bonus (if you move within 0.5 miles of our office), Health, Dental, Vision insurance, 401(k) with company match
Terac culture: Between weekly presentations, company hackathons, and an AI-first mindset, you will be working with one of the most innovative teams on the planet.
Growth opportunities: You are joining Terac at one of the earliest stages and will have an opportunity to shape and grow with the company as a founding member.