Full-Stack Founding Engineer in London
Full-Stack Founding Engineer

Full-Stack Founding Engineer in London

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

  • Tasks: Lead the evolution of an AI-driven prototype into a production-ready platform.
  • Company: Join an early-stage AI startup in a vibrant East London tech hub.
  • Benefits: Significant equity, high-impact leadership role, and a 4-day in-office culture.
  • Why this job: Be a core member of the founding team and shape the future of AI technology.
  • Qualifications: Expertise in TypeScript, React, Node.js, and a passion for AI infrastructure.
  • Other info: Collaborative environment with excellent career growth opportunities.

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

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. The next step is to speak to Jack.

Company Description: Early-stage AI startup

Job Description: As the first engineering hire, you will lead the evolution of an AI-driven prototype into a production-ready platform. You will translate business vision into technical architecture using TypeScript, React, and Node.js while managing custom agent infrastructure. This is a high-agency role for a technical leader looking to build a foundation from the ground up.

Location: London, UK

Why this role is remarkable:

  • Significant equity position as a core member of the founding team in a high-growth sector.
  • High-impact leadership opportunity to own the entire technical roadmap and build out the engineering function.
  • Collaborative environment based in a vibrant East London tech hub with a 4-day in-office culture.

What you will do:

  • Transition an existing prototype into a scalable, production-grade product using modern web technologies.
  • Architect and manage custom backend systems and sophisticated AI agent infrastructure.
  • Serve as a technical partner to the founders, making critical decisions on architecture and product strategy.

The ideal candidate:

  • Expert-level proficiency in TypeScript, React, Node.js, and building complex backend architectures.
  • Proven track record of high agency and the ability to translate product vision into technical execution.
  • Experience or strong interest in AI agent infrastructure and scaling early-stage technical products.

Next steps:

  1. Visit our website.
  2. Click 'Talk to Jack'.
  3. Talk to Jack so he can understand your experience and ambitions.
  4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
  5. If Jill thinks you’re a great fit and her client wants to meet you, they will make the introduction.
  6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs. This isn’t a trick. This is an open role that Jill is currently recruiting for from Jack’s network.

Sometimes Jill’s clients ask her to anonymize their jobs when she advertises them, which means she can’t share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn’t much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we’re giving his services away for free.

Full-Stack Founding Engineer in London employer: Jack & Jill

Join an innovative early-stage AI startup in the vibrant tech hub of East London, where you'll play a pivotal role as the first engineering hire. Enjoy a collaborative work culture with a 4-day in-office schedule, significant equity opportunities, and the chance to shape the technical roadmap while leading the evolution of cutting-edge AI products.
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Contact Detail:

Jack & Jill Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Full-Stack Founding Engineer in London

✨Tip Number 1

Get to know Jack! He’s your first step in this journey. Have a chat with him to share your skills and what you’re looking for. The more he knows about you, the better he can match you with opportunities like this Full-Stack Founding Engineer role.

✨Tip Number 2

Be proactive! Don’t just wait for Jill to reach out. Keep an eye on our website for new roles and updates. If something catches your eye, let Jack know right away so he can help you get in front of the right people.

✨Tip Number 3

Show off your skills! When you talk to Jack, highlight your experience with TypeScript, React, and Node.js. Share any projects or achievements that demonstrate your ability to lead and innovate, especially in AI-driven environments.

✨Tip Number 4

Stay engaged! After your chat with Jack, keep the conversation going. Ask for feedback and advice on how to improve your chances. Remember, we’re here to support you every step of the way in landing that dream job!

We think you need these skills to ace Full-Stack Founding Engineer in London

TypeScript
React
Node.js
Backend Architecture
AI Agent Infrastructure
Technical Leadership
Product Strategy
Scalability
High Agency
Collaboration
Technical Execution
Web Technologies

Some tips for your application 🫡

Show Off Your Skills: Make sure to highlight your expertise in TypeScript, React, and Node.js. We want to see how you can translate your technical skills into building a production-ready platform, so don’t hold back!

Be Authentic: Let your personality shine through in your application. We’re looking for someone who’s not just technically skilled but also a great fit for our collaborative environment. Be yourself!

Tailor Your Application: Customise your application to reflect the specific requirements of this role. Mention your experience with AI agent infrastructure and how you’ve tackled similar challenges in the past. It’ll make you stand out!

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to connect with you and ensure that Jack gets to know your experience and ambitions. Let’s get the ball rolling!

How to prepare for a job interview at Jack & Jill

✨Know Your Tech Stack Inside Out

Make sure you’re well-versed in TypeScript, React, and Node.js. Brush up on your knowledge of building complex backend architectures and be ready to discuss how you've applied these technologies in past projects. This will show that you can hit the ground running.

✨Showcase Your Leadership Skills

As the first engineering hire, you'll need to demonstrate high agency and leadership. Prepare examples of how you've led projects or teams in the past, especially in fast-paced environments. Highlight your ability to translate business vision into technical execution.

✨Understand AI Agent Infrastructure

Since this role involves managing sophisticated AI agent infrastructure, it’s crucial to express your interest or experience in this area. Research current trends in AI and be ready to discuss how you can contribute to scaling early-stage technical products.

✨Ask Insightful Questions

Prepare thoughtful questions about the company’s vision, the challenges they face, and their expectations for this role. This not only shows your genuine interest but also helps you assess if the company aligns with your career goals.

Full-Stack Founding Engineer in London
Jack & Jill
Location: London
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  • Full-Stack Founding Engineer in London

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

    Jack & Jill

    50-100
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