Senior Fullstack Engineer in London
Senior Fullstack Engineer

Senior Fullstack Engineer in London

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop AI-driven testing solutions and shape the future of software quality.
  • Company: Join a venture-backed startup led by industry veterans from Meta, Uber, and Deliveroo.
  • Benefits: Competitive salary, flexible work environment, and opportunities for rapid career growth.
  • Why this job: Be part of a revolutionary team transforming software testing with cutting-edge AI technology.
  • Qualifications: Experience in AI/LLMs and a passion for building impactful products.
  • Other info: Dynamic startup culture where your contributions directly influence the company's success.

The predicted salary is between 36000 - 60000 £ per year.

QA slows the world down. Flaky tests kill trust, stall releases, and bleed engineering velocity. Duku AI is ending that era. We're building autonomous agents that think like engineers: they run every critical user journey, catch failures before users do, and self-heal as the codebase evolves. Real AI teammates, not test scripts that break on impact.

We're venture-backed and led by operators who've scaled Meta's testing infrastructure, launched Uber's global playbooks, and grew Deliveroo from zero to hypergrowth. We know what elite execution looks like and we're hunting for one more builder to help us rewrite the rules of software quality.

What You'll Do

  • Ship fast, learn faster: We deploy daily, not monthly
  • Talk to users, shape the roadmap: Sit in the trenches with founders on calls that define what we build
  • Train AI agents: Design LLM-powered testers that explore, learn, and adapt in real time
  • Own the stack: Python, TypeScript, cloud infra, from commit to production
  • Turn prototypes into production: Run real experiments on models, embeddings, and retrieval pipelines

What We're Looking For

  • Relentless drive: You execute fast, adapt faster
  • Startup scar tissue: You've shipped product with no safety net
  • Fluency with AI/LLMs: LangChain, vector stores, prompt engineering
  • Product obsession: You care more about outcomes than outputs

Ideal Background

  • There's no perfect pedigree. We hire for mindset, not credentials. That said, you might have:
  • Shipped AI features in prod
  • Built something from 0 to 1
  • Thrived in chaos with high ownership

Why This Matters

Software is accelerating. QA hasn't kept up. Autonomous testing is inevitable, and we're building it. Five years from now, every high-velocity team will rely on AI agents like ours to ship faster, safer, and smarter. Join now, and help make that future real, before someone else does.

Senior Fullstack Engineer in London employer: Duku AI

At Duku AI, we are not just building software; we are redefining the future of quality assurance with cutting-edge AI technology. Our dynamic work culture fosters innovation and collaboration, allowing you to ship fast and learn even faster while working alongside industry veterans from Meta, Uber, and Deliveroo. With a focus on employee growth and a commitment to meaningful impact, joining our team means being part of a mission that is set to revolutionise the software landscape.
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Contact Detail:

Duku AI Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Fullstack Engineer in London

✨Tip Number 1

Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can get you in the door.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those involving AI and fullstack development. We want to see what you can do, so let your work speak for itself!

✨Tip Number 3

Prepare for the interview like it’s a big game! Research the company, understand their products, and think about how you can contribute to their mission. We love candidates who come in with ideas and enthusiasm.

✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always on the lookout for passionate builders ready to join us in rewriting the rules of software quality.

We think you need these skills to ace Senior Fullstack Engineer in London

Python
TypeScript
Cloud Infrastructure
AI/LLMs Fluency
LangChain
Vector Stores
Prompt Engineering
Product Development
Experimentation
Adaptability
User Engagement
Ownership
Fast Execution
Problem-Solving

Some tips for your application 🫡

Show Your Passion for AI: When you're writing your application, let your enthusiasm for AI and autonomous testing shine through. We want to see how you can contribute to our mission of rewriting the rules of software quality!

Be Specific About Your Experience: Don’t just list your previous roles; tell us about the projects you've worked on that relate to AI, LLMs, or fullstack development. We love hearing about your hands-on experience and how you've thrived in chaotic environments.

Tailor Your Application: Make sure to customise your application to reflect the job description. Highlight your relentless drive and product obsession, and show us how you’ve shipped products with no safety net. We’re looking for builders like you!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to see your application and get to know you better. Plus, it shows you’re serious about joining our team!

How to prepare for a job interview at Duku AI

✨Know Your Tech Stack

Make sure you’re well-versed in Python, TypeScript, and cloud infrastructure. Brush up on your knowledge of AI and LLMs, as they’re crucial for the role. Be ready to discuss how you've used these technologies in past projects.

✨Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled challenges in fast-paced environments. Duku AI values relentless drive and adaptability, so share stories that highlight your ability to ship products quickly and efficiently.

✨Understand the Company Vision

Familiarise yourself with Duku AI's mission to revolutionise software quality through autonomous testing. Be prepared to discuss how your experience aligns with their goals and how you can contribute to shaping the roadmap.

✨Engage in Meaningful Conversations

During the interview, ask insightful questions about the team’s current projects and future plans. This shows your product obsession and genuine interest in contributing to their success. Remember, it’s a two-way street!

Senior Fullstack Engineer in London
Duku AI
Location: London
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  • Senior Fullstack Engineer in London

    London
    Full-Time
    36000 - 60000 £ / year (est.)
  • D

    Duku AI

    50-100
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