Junior / Mid-Level Full Stack Developer | AI Startup
London • Permanent • Competitive
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Junior / Mid-Level Full Stack Developer | AI Startup

Easy Apply
London On-site Permanent 25 Applications
Competitive
Full-time
Posted 21 Oct 2026
Expires 20 Nov 2026

Job description

Compensation: £35k – £45k • 0.5% – 1.5%

About Atelix

Atelix is an ambitious, early-stage AI startup backed by experienced tech investors, building an AI assistant for interior designers and architects that transforms how creative studios run their businesses.

Founded by a former Salesforce senior leader, we’re at an exciting stage, with a live product, early customers and big ambitions.

We’re looking for a talented, entrepreneurial software engineer to help us build and scale.

What You’ll Do

  • Build and improve features across our AI-powered SaaS platform.
  • Develop AI agents, intelligent automation and integrations that solve real customer problems.
  • Take ownership of features from development through to deployment.
  • Work directly with customers, understand their challenges and turn feedback into great product experiences.
  • Use modern AI development tools to build, test and iterate quickly.
  • Contribute ideas and help shape the product as we grow.

Who We’re Looking For

  • 3+ years of software development experience preferred, with a minimum of 1–2 years for exceptional candidates.
  • Strong programming fundamentals and experience building and shipping production software.
  • Familiarity with AI development tools and an interest in AI agents and automation.
  • Excellent communication skills and confidence interacting directly with customers, understanding their needs and translating feedback into practical solutions.
  • Proactive, resourceful and comfortable working independently, taking ownership from development through to deployment.
  • Entrepreneurial mindset, excited about building and shaping a product in an early-stage startup.

Why Join Atelix?

🚀 Build something meaningful: Help shape an AI product from its earliest stages.

🤖 Work at the forefront of AI: Build intelligent automation and AI-powered workflows that solve real problems.

💡 Real ownership: Take responsibility, move fast and see your work make a difference.

📈 Grow with us: Join an ambitious, investor-backed startup with international ambitions.

Location: UK-based | Remote working possible Employment: Full-time

Interested? We’d love to hear from you! Share your CV, GitHub profile or examples of something you’ve built.

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