Senior Full-Stack Tech Lead — AI-Driven Architect

Mill; San Bruno (CA); On-site; USD 185,000 - 225,000; Full time

Job summary

Mill seeks a Senior Full Stack Tech Lead to join our engineering team. This individual contributor role partners with the Director of Software Engineering to steer the technical direction, write high-quality end-to-end code, and mentor engineers across projects.

We emphasize a unified full-stack approach with rotation across projects, leveraging AI-assisted development tools daily to raise the bar for the team's output and collaboration with product management.

Qualifications

• 6+ years of software development experience with full-stack focus
• Proficient with modern frontend frameworks (React/Vue/Angular/SvelteKit)
• Backend experience with TypeScript/Node.js; comfortable with serverless (AWS Lambda)
• Strong SQL and NoSQL database knowledge
• Experience with AWS and modern deployment workflows
• Fluency with AI-assisted development tools (Claude Code, Copilot)
• Solid software architecture fundamentals (microservices, serverless)
• Excellent problem-solving and debugging skills

Responsibilities

• Lead the technical design and execution of full-stack web applications
• Architect scalable, secure, and efficient full-stack solutions
• Evaluate and select technologies to improve productivity and code quality
• Own estimates and delivery plans and surface risks early
• Craft clean, documented code across the stack and support native mobile when needed
• Develop and optimize APIs, databases, and UIs
• Use AI-assisted tools as a standard part of coding, review, and shipping
• Mentor engineers and conduct code reviews
• Partner with product managers on scope and tradeoffs
• Champion testing, CI/CD, and deployment, monitor performance

Skills

Full-stack development

Frontend frameworks

TypeScript/Node.js

SQL/NoSQL

Cloud platforms (AWS)

AI-assisted tooling

CI/CD

Microservices/serverless

Education

Bachelor's degree in CS or related field

Tools

SvelteKit

AWS Lambda

CDK

Middy

Claude Code

Copilot

Job description

Mill seeks a Senior Full Stack Tech Lead to join our engineering team. This individual contributor role partners with the Director of Software Engineering to steer the technical direction, write high-quality end-to-end code, and mentor engineers across projects.

We emphasize a unified full-stack approach with rotation across projects, leveraging AI-assisted development tools daily to raise the bar for the team's output and collaboration with product management.