Senior Product Engineer

Stealth Company; Redwood City (CA); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Competitive compensation

Equity opportunities

Empowered team environment

Job summary

A pioneering technology startup in Redwood City seeks a Full Stack Engineer to build applications for cutting-edge AI devices. The ideal candidate will have over 4 years of experience in full-stack development and a track record of shipping consumer-facing applications. You will develop user interfaces and integrate AI technologies. Join a small team guided by proven founders, offering competitive compensation and equity opportunities. This role is full-time and based in California.

Qualifications

• 4+ years of experience in full stack development.
• Strong track record of shipping consumer-facing applications.
• Experience with WebSockets and real-time communication.

Responsibilities

• Build web and mobile applications for AI-powered devices.
• Develop user-facing features and dashboards.
• Integrate with AI/ML backends and design RESTful APIs.

Skills

Full stack development

Web application development

Real-time communication

Database design

UX sensibility

AI integration

Rust programming

Job description

We're a well‑funded stealth startup backed by proven founders, building the next generation of AI‑powered consumer hardware. We're assembling a high ownership, elite team to create revolutionary products that integrate cutting‑edge voice, vision, and AI technologies. If you're excited about building web and mobile applications from the ground up and shipping world‑changing technology, we'd love to talk.

Role

Join as one of our first full stack engineers to build the applications that connect users to our AI device. You'll work directly with founders who have built unicorn companies and know how to ship fast. This is full stack development at its finest—creating seamless web and mobile experiences that bring cutting‑edge AI to life.

What You'll Do

• Build web and mobile applications for our AI‑powered device ecosystem
• Develop user‑facing features for device management, settings, and AI interactions
• Create real‑time communication between devices and cloud services
• Build dashboards for monitoring AI features, memories, and automations
• Integrate with AI/ML backends and LLM systems
• Design and implement RESTful APIs and WebSocket connections
• Optimize performance for responsive, real‑time user experiences
• Work cross‑functionally with hardware, AI, and design teams

Requirements

• 4+ years full stack development experience
• Experience building modern web applications and APIs
• Understanding of real‑time communication (WebSockets, etc.)
• Database design and optimization experience
• Track record of shipping consumer‑facing applications
• Strong UX sensibility and attention to detail
• Experience with AI/LLM integration (RAG, prompt engineering, etc.) +++
• Rust experience +++

Why Join

• Build an ambitious product with real‑world impact from prototypes to mass production
• Work with founders who have built unicorn companies and know how to ship fast
• Competitive compensation, equity, and the chance to shape the product—and the company
• Small empowered team. No bureaucracy. Big upside.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

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