Founding AI Engineer at Stealth intelligence automation startup in London

Founding AI Engineer at Stealth intelligence automation startup in London

London Full-Time 80000 - 100000 £ / year (est.) No working from home possible
J

At a Glance

  • Tasks: Architect and build advanced AI agents for automated investigations.
  • Company: Stealth intelligence automation startup shaping the future of analysis.
  • Benefits: Competitive salary, dynamic work environment, and growth opportunities.
  • Other info: Join a high-stakes team focused on innovation and excellence.
  • Why this job: Make a direct impact in a mission-driven culture with cutting-edge technology.
  • Qualifications: Experience with text-based AI systems and strong skills in Python and React.

The predicted salary is between 80000 - 100000 £ per year.

Stealth intelligence automation startup building the future of investigative analysis.

Location: London, UK

Overview: Join a high-stakes intelligence automation startup as a Founding AI Engineer. You will architect the transition from manual data analysis to automated, agent-led investigations. Working directly with the CTO, you will build production-grade AI agents and robust full-stack features that deliver mission-critical insights to organizations at unprecedented speeds and scale.

Why this role is remarkable:

  • Direct impact as an architect of the 0-to-1 journey, working closely with the CTO to define technical standards and product direction.
  • Opportunity to work at the cutting edge of Agentic AI and RAG, moving beyond simple chatbots to complex, automated intelligence workflows.
  • Join a mission-driven culture that values radical candor and technical excellence, ensuring no organization ever has to make a decision in the dark.

What You Will Do:

  • Architect and build sophisticated AI agents and advanced prompt engineering systems to automate manual investigation workflows.
  • Develop and maintain end-to-end features across a modern Python and React stack, ensuring performance and reliability.
  • Establish engineering processes and quality bars for a rapidly scaling team while supporting live mission-critical deployments.

Ideal Candidate:

  • Proven production experience with text-based AI systems, including RAG, LLM orchestration, and memory management for agentic workflows.
  • Strong full-stack technical foundations with professional proficiency in Python and React, complemented by a solid understanding of data structures.
  • A startup-ready mindset characterized by previous 0-to-1 builds and the ability to thrive in a high-feedback, honesty-first environment.

Founding AI Engineer at Stealth intelligence automation startup in London employer: Jack & Jill

As a Founding AI Engineer at our stealth intelligence automation startup in London, you will be part of a pioneering team that is reshaping the future of investigative analysis. We foster a mission-driven culture that prioritises technical excellence and radical candor, offering you the chance to make a direct impact on our innovative products while enjoying ample opportunities for professional growth in a dynamic startup environment.

J

Contact Details:

Jack & Jill Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Founding AI Engineer at Stealth intelligence automation startup in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Jack & Jill or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Jack & Jill.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Jack & Jill.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Jack & Jill that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Founding AI Engineer at Stealth intelligence automation startup in London

AI Agent Architecture
Prompt Engineering
Python
React
Text-based AI Systems
RAG (Retrieval-Augmented Generation)
LLM Orchestration

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Jack & Jill.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Jack & Jill and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Jack & Jill

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Jack & Jill uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.