Mid/Senior Full Stack AI Engineer

Location: San Francisco CA
Company Stage of Funding: Seed Stage (YC W24 $3M Raised)
Office Type: Onsite (5 Days Per Week)
Salary: $180000$.51.25% Equity

Company Description

Were representing a YC-backed AI startup building intelligent digital workers for the chemical manufacturing industry. Their AI platform automates complex pricing quoting and customer workflows for Fortune 100 manufacturers reducing processes that traditionally take days into workflows completed in minutes.

After recently closing its first seven-figure enterprise contract the company is expanding internationally and deploying AI solutions across global manufacturing organizations. Backed by Pioneer Fund Flybridge and Liquid 2 Ventures the team is building AI-native enterprise software that combines modern large language models with deep industry expertise to transform one of the worlds largest industrial sectors.

What You Will Do

• Design build and ship end-to-end AI-powered product features used by Fortune 100 manufacturing customers.
• Develop intelligent AI agents that automate complex pricing quoting cross-selling and production planning workflows.
• Own features across the full technology stack using TypeScript React and modern backend technologies.
• Integrate AI capabilities using leading foundation models from OpenAI Anthropic Gemini and related providers.
• Build enterprise-grade integrations with ERP platforms such as SAP and other manufacturing systems.
• Design scalable infrastructure supporting international deployments including GDPR-compliant data residency requirements.
• Collaborate directly with customers to understand complex operational workflows and rapidly translate feedback into product improvements.
• Leverage modern AI coding tools to accelerate software development while maintaining high engineering quality.
• Contribute to product strategy technical architecture and engineering best practices as an early member of the team.
• Help shape both the engineering culture and long-term technical direction of the company.

Ideal Background

• 36 years of full-stack software engineering experience building production products.
• Proven experience shipping customer-facing applications from concept through production.
• Strong proficiency with TypeScript React and .
• Experience building or integrating AI-powered applications LLMs or agent-based systems.
• Comfortable working across frontend backend APIs databases and cloud infrastructure.
• Demonstrated startup experience with high ownership and end-to-end product responsibility.
• Highly proficient using AI coding tools such as Cursor Claude Code Codex or similar as part of daily development workflows.
• Strong product intuition with the ability to balance technical excellence and customer needs.
• Excellent communication skills and ability to thrive in fast-moving ambiguous environments.

Preferred

• Experience building AI-native enterprise software or agentic applications.
• Background at high-growth startups or recognized technology companies.
• Familiarity with enterprise software integrations ERP systems or manufacturing technology.
• Experience deploying applications in highly regulated or enterprise environments.
• Strong understanding of modern LLM orchestration prompt engineering and AI product development.
• Experience working directly with enterprise customers and translating complex requirements into software solutions.
• Interest in industrial automation manufacturing technology or AI-driven enterprise workflows.
• Passion for building products from zero to one within small high-performing engineering teams.

Compensation and Benefits

• Base salary: $180000$230000 (up to $250000 for exceptional candidates).
• Equity: 0.51.25%.
• Opportunity to join a YC-backed startup immediately following major enterprise customer wins.
• Work directly with founders and help shape both product and engineering culture.
• Daily team lunches and dinners provided.
• Opportunity for customer travel and direct collaboration with Fortune 100 manufacturers.
• Significant ownership over core product architecture and AI systems.
• Five-day in-office collaboration in San Francisco with a highly technical founding team.
• Opportunity to build category-defining AI software transforming the global manufacturing industry.