Job Details

Senior Full-Stack Engineer

Location: San Francisco, CA (In-Person)
Type: Full-Time
Compensation: $150k - $250k + 0.01% - 0.25% Equity
Start Date: Hiring Immediately (7+ roles open)
Visa: Not available
About Apriora (YC W24)

Apriora is building the future of hiring. Our AI recruiter conducts real-time, live video interviews with candidates-automatically asking personalized questions, analyzing responses, and generating rich interview data that empowers employers to hire faster and smarter.

We're a fast-growing YC-backed startup with $3.3M in funding, a tight-knit 10-person team, and a shared obsession with speed, product quality, and user experience. Apriora is a two-sided marketplace:

• Candidates get a streamlined, personalized interview experience.
• Employers get a data-rich platform that cuts hiring time dramatically.

What You'll Work On

As a hands-on engineer, you'll help us design and build the systems that power both sides of this marketplace. Your work will touch everything from real-time AI infrastructure to scalable backend integrations and intuitive frontends.
Consumer-Facing Engineering Challenges

• Bring AI interviewer response latency under 200ms
• Scale infrastructure to handle 1,000+ concurrent interviews, globally and compliantly
• Build and maintain a vector database for matching candidates on complex traits

Enterprise-Facing Engineering Challenges

• Integrate with customer ATS and internal hiring systems
• Build blazing-fast visualizations of interview data
• Ship countless new feature requests from our growing customer base

Responsibilities

• Build and own full-stack products across consumer and enterprise platforms
• Optimize performance across frontend, backend, and AI interfaces
• Scale system architecture and infrastructure (Azure, Kubernetes, Docker)
• Integrate third-party systems and APIs with precision and stability
• Visualize complex interview data clearly and efficiently
• Collaborate cross-functionally with co-founders and the broader team
• Launch impactful features fast-weekly, not quarterly
• Work in-person with an ambitious team based in SF

Ideal Candidate Profile
Experience

• 5+ years of full-stack engineering experience (staff, senior, or principal level)
• Built production systems with React (TypeScript) and Python (FastAPI, asyncio)
• Experience at a fast-growing startup for 2+ years
• Strong understanding of vector databases, embeddings, or semantic search
• Familiar with DevOps and Cloud Infra (Azure, Docker, Kubernetes)
• Solid grasp of PostgreSQL and data modeling
• Degree in CS / Math / Engineering from a top-tier university

Skills & Traits

• Strong frontend design sense; can bring Figma designs to life
• Operates with ownership, urgency, and pragmatism
• Excited by ambiguity and end-to-end product development
• Willing and eager to work in-person 5 days/week in San Francisco

Interview Process Tips

We'll ask things like:

• Have you built a full-stack app in React? Did it have its own backend?
• Can you relocate to SF, or are you already here?
• What are your salary expectations and current recruiting activity?

Tech Stack

• Frontend: React (TypeScript)
• Backend: Python (FastAPI, asyncio)
• Infra: Azure, Kubernetes, Docker
• Database: Postgres, Vector Databases
• Design: Figma

If you're excited to build meaningful AI, move fast, and work closely with a high-caliber team-Apriora is the place for you.

Visit us at www.apriora.ai