Senior Full-Stack + AI Builder

Experis; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A forward-thinking AI company is seeking a Senior Full Stack AI Builder to create practical solutions including voice assistants and web applications. The ideal candidate has strong skills in TypeScript, Node, and Python, and values craftsmanship and autonomy. This role offers the opportunity for contract work with the possibility of long-term engagement, emphasizing real output over titles.

Qualifications

• Senior talent who values autonomy over titles.
• Strong builder energy with a focus on real-world applications.
• Effective communication without nonsense.

Responsibilities

• Build voice assistant services for local and cloud environments.
• Develop web UI using Next.js and mobile surfaces with React Native.
• Implement integration of local memory and context systems.

Skills

TypeScript

Node

Python

Next.js

Fast API

SQLite

Postgres

LLM integration

Tools

WebRTC

audio streaming

Raspberry Pi

Electron

Job description

ROLE: Senior Full Stack AI Builder

If you're reading this, you could be the type of builder who still cares about the craft. Someone who takes pride in making real things work in the real world. Someone who doesn't need hype or theatre to know their worth.

This company is a practical, human first AI system for people who do real work. They build quietly, seriously, and with intention. No noise, no ego just clean execution and useful technology.

You’ll build:

• Voice assistant surfaces (local and cloud)
• Web UI (Next.js) and lightweight mobile surface (React Native/Expo)
• Local memory and embeddings and context loop
• Voice ? event chain and automation
• Early dock prototype integrations

You should be strong in:

• TypeScript and Node
• Python (AI and services)
• Next.js / modern FE
• Fast API or similar
• SQLite ? Postgres
• LLM integration

Bonus:

• WebRTC / audio streaming
• STT/TTS chains
• Raspberry Pi / embedded devices
• Electron/Tauri desktop

How we work:

• Calm execution
• Minimal process
• High trust and high accountability
• Milestone delivery > promises
• Clarity over complexity
• Craft over ego

Who you likely are:

• Senior talent who prefers autonomy over titles
• Builder energy, not conference energy
• No nonsense communicator
• Likes to ship real things, quietly

Compensation philosophy:

Contract to start. Long‑term possibility if there is alignment with the Founder. Equity earned through output.

The Founder honour's craftsmanship and autonomy.

To explore this opportunity further, please send an email with:

• Systems you shipped (links or repo)
• Short note on something you built end to end
• One paragraph on clarity > complexity in your work
• Your V1 philosophy in two sentences