At a Glance
- Tasks: Join a small team to build innovative AI-driven SaaS products from the ground up.
- Company: Exciting seed-stage startup backed by Balderton, redefining tech with AI.
- Benefits: Competitive salary up to £100k plus equity and flexible hybrid work.
- Other info: Collaborative culture with fast decision-making and real ownership.
- Why this job: Be a founding engineer and shape the future of AI technology.
- Qualifications: Experience in full-stack development, especially with TypeScript and Node.js.
The predicted salary is between 100000 - 100000 € per year.
We're hiring for a seed-stage SaaS startup backed by Balderton (near £5m raised) that's using AI to fundamentally redefine its product. The company is pre-PMF and mid-pivot, at a genuine inflection point, and looking for a hands-on engineer (~80% coding) to help shape the product, architecture, and technical foundations from the ground up.
Compensation
Up to £100k + meaningful equity
What you'll be doing
- Full-stack engineering (backend-leaning): Next.js (FE + BE), Node.js, TypeScript, with some legacy Python
- Working closely with the CEO & product to shape roadmap and direction
- Building alongside a small, senior team (3 engineers) with true peer ownership
- Iterating fast
- Shipping real-world AI / agentic systems, not proof of concepts
Setup & culture
- Hybrid: 2+ days per week in Moorgate
- Small, flat team — low ego, high agency
- Fast decisions, high trust, minimal processes
If you love building SaaS products with AI and want founding-level ownership, we should talk.
Founding Engineer (TypeScript/AI) in London employer: LinkedIn
Join a dynamic seed-stage AI SaaS startup in Moorgate, where you'll have the unique opportunity to shape the product and technical foundations from the ground up. With a small, flat team culture that values high agency and fast decision-making, you'll enjoy meaningful equity alongside a competitive salary, while working closely with senior engineers and the CEO to drive innovation in AI technology.
StudySmarter Expert Advice🤫
We think this is how you could land Founding Engineer (TypeScript/AI) in London
✨Tip Number 1
Network like a pro! Reach out to people in the AI and SaaS space, especially those who are already in startups. A personal connection can make all the difference when it comes to landing that Founding Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your TypeScript and AI projects. This is your chance to demonstrate your coding chops and how you can contribute to building real-world systems.
✨Tip Number 3
Be ready to chat about your vision! When you get that interview, come prepared with ideas on how you’d shape the product and architecture. Show them you’re not just a coder, but a strategic thinker who can help steer the company’s direction.
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. It shows you're genuinely interested in being part of our journey to redefine the product with AI. Don’t miss out on this opportunity!
We think you need these skills to ace Founding Engineer (TypeScript/AI) in London
Some tips for your application 🫡
Show Your Passion for AI and SaaS:When you're writing your application, let us see your enthusiasm for AI and SaaS. Share any projects or experiences that highlight your love for building innovative products. We want to know why you’re excited about this role!
Tailor Your CV and Cover Letter:Make sure your CV and cover letter are tailored specifically for the Founding Engineer position. Highlight your experience with TypeScript, Next.js, and Node.js, and don’t forget to mention any relevant projects that showcase your full-stack skills.
Be Authentic and Personal:We appreciate authenticity! Don’t be afraid to inject a bit of your personality into your application. Share your journey, what drives you, and how you envision contributing to our small, flat team culture.
Apply Through Our Website:To make sure your application gets the attention it deserves, apply directly through our website. It’s the best way for us to keep track of your application and ensure it reaches the right people!
How to prepare for a job interview at LinkedIn
✨Know Your Tech Stack
Make sure you’re well-versed in Next.js, Node.js, and TypeScript. Brush up on your legacy Python knowledge too! Be ready to discuss how you've used these technologies in past projects and how they can be applied to the startup's vision.
✨Show Your Problem-Solving Skills
Prepare to tackle some coding challenges or technical questions during the interview. Think about real-world problems you've solved in previous roles, especially those that involved AI or SaaS products. This will demonstrate your hands-on experience and ability to iterate quickly.
✨Understand the Company’s Vision
Research the startup's mission and recent developments. Be prepared to discuss how you can contribute to shaping the product and architecture. Showing genuine interest in their pivot and inflection point will set you apart from other candidates.
✨Emphasise Team Collaboration
Since the team is small and values peer ownership, highlight your experience working in collaborative environments. Share examples of how you've contributed to team success and decision-making processes, showcasing your low ego and high agency mindset.
