Frontend Developer Apprenticeship Jobs in California

• Architect, build, and ship full-stack features across our React/TypeScript frontend and Supabase/PostgreSQL backend.
• Write production-quality code while moving at startup speed, using AI coding tools to dramatically compress the time between idea and shipped feature.
• Make and defend architectural decisions: data modeling, API design, security, performance, scalability.
• Maintain code quality, testing standards, and documentation without being told to.

• Design and implement AI agents and multi-step automation pipelines that power our compliance engine: document ingestion, payroll validation, issue detection, remediation workflows.
• Work with LLMs (currently Google Gemini and Claude) to build intelligent extraction, classification, and validation systems.
• Build robust, observable, production-grade AI workflows with proper error handling, retry logic, audit trails, and human-in-the-loop checkpoints.
• Stay current on the evolving AI engineering landscape and bring in the right tools as they mature.

• Establish patterns and practices that will scale as we grow the team.
• Own security rigorously: data handling (PII, SSNs, payroll data), authentication, authorization, and audit logging are core to our value proposition.
• Instrument the system: logging, monitoring, error tracking, performance.
• Eventually recruit, mentor, and lead additional engineers as the team grows.

• Genuinely AI-native engineer: you live in Cursor, Windsurf, Claude Code, or equivalent. AI tooling is how you build, not a novelty.
• Strong full-stack capability: React/TypeScript on the frontend, Node/TypeScript or equivalent on the backend, comfortable in SQL and relational data modeling.
• Experience building AI agents and automation workflows in production -- not toy demos, but systems with real users and real consequences.
• Architectural judgment: you know when to move fast and when to slow down, when to abstract and when to hardcode, when to build and when to buy.
• Security-minded by default. Our customers share payroll data, SSNs, and financial records.
• Independent operator who needs direction on priorities, not on how to execute.

• Experience with Supabase, PostgreSQL, and serverless/edge function architectures (Deno a plus).
• Demonstrated history of shipping meaningful software at startup pace.
• Experience with document processing pipelines: parsing PDFs, Excel, Word documents; working with structured and unstructured data.
• Comfort working in a domain you do not initially know deeply. Compliance and regulatory logic is learnable; the engineering fundamentals are not.
• Excitement about the clean energy transition.

• A role for someone who needs heavy direction or structured processes to be productive.
• A purely frontend or purely backend position. You own the whole stack.
• A role where you hand off AI work to a separate ML team. You build and own it.
• A large-company engineering environment. We move fast, context switches happen, and the best solution is the one we can ship.

Frontend: React 18, TypeScript, Vite, Tailwind CSS, shadcn/ui, React Query, React Hook Form

Backend: Supabase (PostgreSQL, Auth, Storage, Edge Functions), Deno runtime, TypeScript

AI / Agents: Google Gemini (extraction, classification, chat), Claude API, custom Edge Function agents

Tooling: Cursor / AI coding agents, Vercel (frontend deploy), Resend (email), Linear (PM), GitHub

Testing: Vitest, React Testing Library, pgTAP (database)

The stack matters less than the mindset. If you have strong opinions about different approaches, bring them.

You are joining a pre-seed company with real customers, real revenue on the horizon, and meaningful equity upside. Standard 4-year vesting with a 1-year cliff. We will work with you on comparable acceleration protections.

• Engineering hire #1 at a company with a real product, a named anchor customer (AES Clean Energy), and a clear path to revenue.
• The problem is genuinely important: IRA tax credits fund the energy transition, and we are the infrastructure that makes sure those credits hold.
• Broad, interesting technical surface area: AI agents, document processing, compliance logic, real-time validation, audit trails, contractor-facing portal, developer-facing analytics layer.
• Real ownership over the codebase, architectural decisions, and the engineering culture you help create.
• The CEO is technical and will be a genuine engineering partner.
• Santa Monica office. We are building a team in LA.