JO.GitHub
Joseph O’Neill
Always building

DEVELOPER & CREATOR

Hi, I’m Joseph
O’Neill.

Turning ideas into software.
Exploring AI, building for the web, and
working towards a future in DevOps.

◦   EALING, LONDON · UKA little more about me PORTFOLIO / 2026
01 / ABOUT

Curiosity drives me.
Code is how I explore.

I’m Joseph, a developer based in Ealing, West London. I’m working with the Spotler Group across England and the Netherlands, and in my spare time I am experimenting with all sorts of tech.

My current goal is to step into a Prinicple Engineering role.

Connect on LinkedIn ↗
IN MY ORBITTypeScriptC#AI & automationDevOpsGuitar ♫
02 / SELECTED WORKA FEW THINGS I’VE BEEN BUILDING

Ideas into action.

All repositories ↗
03 / EXPERIENCEMY WORK SO FAR

Where I’ve been building.

Spotler Group

Full-time

  • Rust
  • LangChain
  • Developer

    May 2026 – Present

    Guildford, England · Hybrid

ReeliciousAI

Part-time

  • Management
  • Technical Leadership
  • CTO / Co-Founder

    Jul 2025 – May 2026

    Remote

JeffreyAI

Full-time · On-site

  • C#
  • Python
  • Lead Developer

    May 2025 – Apr 2026

    Sutton, England

  • Junior Fullstack Engineer

    Dec 2024 – Apr 2026

    Sutton, England

  • C# Apprentice

    Aug 2023 – Apr 2026

    Epsom, England

Carbon & Finch

Contract

  • X++
  • Point of Sale (POS) Systems
  • Lead AI Integrations Engineer

    Jun 2025 – Apr 2026

    Sutton, England

  • Integrations Developer

    Jan 2025 – Apr 2026

    Epsom, England · On-site

Carbon & Finch

Full-time

  • C#
  • Python
  • Software Engineer

    Sep 2023 – Feb 2024

    Epsom, England

04 / SAY HELLO

GOOD THINGS START WITH A CONVERSATION.

Let’s build
something great.

Get in touch on LinkedIn