Full Stack AI Engineer

About LyntonLynton has been building for the web since 1999. We spent 16 years as a HubSpot partner, 2,000+ custom projects across 50+ industries, then left to build what comes next: AI-native websites and open-source infrastructure for companies taking back ownership of their digital operations.We're a small team. Our website, our tools, our AI delivery pipeline are all built on the same stack we deploy for clients. If we sell it, we run it.If this role sounds like a perfect fit for you, skip ahead to apply directly on our website - we prioritize candidates woh apply directly on our site.The roleYou build production websites and open-source infrastructure for mid-market companies leaving legacy SaaS platforms. Full builds, architecture through deployment, on a modern open-source stack with AI tooling as the default workflow.This isn't just marketing sites. Full-stack products, interactive web experiences, and applications shipped as our clients' new brand identity. Deterministic and autonomous AI agents woven into client infrastructure. Composable marketing & tech stacks pulling from the best open-source projects available: analytics, email, automation, CRM, vertical solutions.The sites push what a brand's digital presence can be. They project authority in search, AI discoverability, and brand awareness. You make design and UX decisions within established brand systems, not implement someone else's Figma files. Strong front-end instincts matter here.This is a "Full-Stack AI Engineer" role on purpose. AI tooling (Cursor, Claude Code, Aider) is not a bonus skill. It's the baseline of how we build. If you don't already work this way every day, this isn't the role for you.The founder builds daily with AI agents and sets the technical and creative direction. You own execution end-to-end and help shape how the company delivers as we grow.What you'll doBuild client websites on Astro, Next.js, and React, architecture through deploymentDeploy open-source infrastructure for clients: CRM, analytics, email, automation, connected through a shared data layerMake front-end design decisions within brand systems: typography, layout, responsive behavior, interaction patternsWork with AI coding agents daily (Cursor, Claude Code, Aider). This is how we build, not something we're evaluatingBuild and extend AI agent workflows for internal tooling and client deliveryMigrate legacy CMS clients to modern frameworks without losing data, SEO rankings, or operational continuityScope and estimate projects alongside the consulting teamWho you are2–4 years full-stack experience in TypeScript / JavaScriptComfortable with React, Next.js, Astro, or similar modern frameworksExperience with Node.js APIs, REST integrations, and at least one database (Postgres, MongoDB, or equivalent)You build with AI coding tools every day. Cursor, Claude Code, Aider, or similar. Pick your favorite, but you're already living in one of themStrong eye for front-end craft: whitespace, type hierarchy, visual rhythm. It shows in your workYou can own a project end-to-end without waiting for a specYou've deployed to Docker-based hosting or managed platformsComfortable with ambiguity. We're writing the playbook, not handing you oneBonusHeadless CMS platforms (Payload, Sanity, Contentful, Strapi)AI agent frameworks (OpenClaw, LangGraph, CrewAI, AutoGen)Open-weight LLMs (Llama, DeepSeek, Qwen, Gemma)MCP servers and agent orchestrationPowered by JazzHRMt8yotllKP