Fullstack Engineer

🚨 Hiring: Full-stack Engineer 

📍 San Francisco (Onsite)

💰 $150 - $225K + Equity 

🏢 Company:

 This company is building an AI Operator for growth that replaces traditional ad agencies with autonomous, quant-driven decision systems. By applying high-frequency trading, optimization, and risk management principles to ad spend, it helps customers achieve 20–50% improvements in efficiency. Already working with major global consumer brands, the team is scaling toward managing billions in ad spend and is backed by top-tier investors at a key growth inflection point. Operating at the intersection of machine learning, AI, and product design, the company is focused on turning noisy marketing data into precise financial decisions, with a small, high-caliber team and strong room for ownership.

🛠️ The Role:

• Hiring a Full Stack Engineer to build the core user-facing platform for an autonomous optimization system
• Own the layer where humans interact with the machine and build trust in AI-driven decisions
• Design and ship the product experience used by executives, operators, and growth leaders
• Help transition the company from a high-touch service model to a self-serve software platform
• Play a major role in defining product direction, architecture, and interface standards

💡 What You’ll Do:

• Build the primary web interface for monitoring performance, live experiments, and decision-making activity
• Create real-time dashboards, audit logs, and admin panels for guardrails and system oversight
• Develop Slack integrations for alerts, approvals, and workflow interactions
• Build LLM-powered analytics experiences
• Design UI components that explain why the system made a given decision
• Work across frontend, backend, and product to create a fast, trustworthy, and elegant user experience

👤 Who You Are:

• 4+ years of experience building full-stack web applications
• Strong with React + TypeScript on the frontend
• Comfortable with Python or Node.js on the backend
• Product-minded and thoughtful about the end-user experience
• Able to simplify complex systems and present data clearly
• High-agency, proactive, and comfortable operating in fast-moving environments

✨ Bonus Points:

• Experience building Slack apps or interactive workflows
• Experience integrating LLMs into user-facing products
• Familiarity with streaming text and structured data to frontend applications
• Experience with a design system or component library
• Background in early-stage startups and building from zero to one

🚀 Why Join:

• Work on a technically ambitious, high-impact problem with real financial consequences
• Help shape how humans interact with autonomous decision systems
• Join a company with live traction, real customers, and strong momentum
• Have meaningful ownership over architecture, product direction, and user experience
• Build foundational systems at an early stage with significant upside and influence