Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead the evolution of an AI prototype into a production-ready platform using TypeScript, React, and Node.js.
- Company: Join an early-stage AI startup with a vibrant culture in East London.
- Benefits: Significant equity, competitive salary, and a 4-day in-office work week.
- 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: High-impact leadership role with opportunities for personal and professional growth.
The predicted salary is between 36000 - 60000 £ per year.
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.
Full-Stack Founding Engineer (+ Equity) at Early-stage AI startup employer: Jack & Jill/External Ats
Contact Detail:
Jack & Jill/External Ats Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Full-Stack Founding Engineer (+ Equity) at Early-stage AI startup
✨Tip Number 1
Network like a pro! Reach out to people in the AI and tech space, especially those who are already working at startups. Use platforms like LinkedIn to connect and engage with them. You never know who might have a lead on that perfect role!
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using TypeScript, React, and Node.js. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Be ready to discuss how you've tackled challenges in past projects and how you can contribute to building the engineering function from the ground up.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Full-Stack Founding Engineer (+ Equity) at Early-stage AI startup
Some tips for your application 🫡
Show Your Passion for AI: When writing your application, let us see your enthusiasm for AI and how it drives you. Share any relevant projects or experiences that highlight your interest in AI technologies and how they can shape the future.
Highlight Your Technical Skills: Make sure to showcase your expertise in TypeScript, React, and Node.js. We want to know how you've used these technologies in past projects, so don’t hold back on the details!
Demonstrate Leadership Experience: Since this role is all about high-impact leadership, share examples of when you've taken charge in previous roles. We’re looking for candidates who can translate vision into action, so tell us how you've done that before.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Jack & Jill/External Ats
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript, React, and Node.js. Brush up on your knowledge of these technologies and be ready to discuss how you've used them in past projects. Prepare examples that showcase your ability to build complex backend architectures.
✨Showcase Your Leadership Skills
As a founding engineer, you'll need to demonstrate high agency and leadership. Think about times when you've taken initiative or led a project. Be prepared to share how you can translate business vision into technical execution and how you plan to shape the engineering function.
✨Understand AI Agent Infrastructure
Since this role involves managing AI agent infrastructure, it’s crucial to show your interest or experience in this area. Research current trends in AI and be ready to discuss how you would approach building scalable AI solutions. This will show your passion and readiness for the role.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s vision, the product roadmap, and the team culture. This not only shows your genuine interest but also helps you assess if the startup aligns with your values and career goals. Plus, it’s a great way to engage with the founders during the interview.
