At a Glance
- Tasks: Lead the development of an AI-powered platform using Next.js and modern tech.
- Company: Join a founder-led HR tech company at a pivotal growth moment.
- Benefits: Competitive salary, bonus, hybrid working, and opportunities for growth.
- Other info: Be part of a small team where your voice truly matters.
- Why this job: Make a real impact by shaping product direction and architecture decisions.
- Qualifications: Experience with Next.js, Vercel, and integrating AI APIs is essential.
The predicted salary is between 50000 - 75000 € per year.
We're working with a founder-led HR technology business to find a Lead Full-Stack Engineer to join them at a pivotal moment in their growth. Their AI-powered SAAS platform is already in the hands of design partners, has clear commercial traction, and is positioned to become the category leader in a space that is moving fast.
You'll be the technical lead on the platform build, working directly with the founder to ship features that reach board-level buyers at some of the UK's leading businesses. As Lead Full-Stack Engineer, you'll have real ownership over architecture decisions and a genuine voice in what gets built next.
Responsibilities as a Lead Full-Stack Engineer:- Build and maintain the platform in Next.js, owning frontend delivery end to end
- Deploy and manage infrastructure on Vercel with Cloudflare for edge networking and performance
- Work with Supabase and PostgreSQL-backed data layers to support core product logic and reporting
- Integrate LLM APIs and AI gateway tooling to power intelligent scoring, generation and insight outputs
- Implement and maintain auth flows using Clerk or equivalent modern auth platforms
- Contribute to headless CMS architecture and custom content tooling
- Shape architecture decisions as the platform scales, including the move toward a serverless, API-first approach
- Have a genuine voice in what gets prioritised, this is a small team and your input matters
- Solid Next.js experience and comfortable owning a frontend codebase in a serverless, no-backend environment
- Hands-on experience with Vercel, Supabase or comparable modern deployment and BaaS platforms
- Proven experience integrating LLM APIs and AI gateway tooling (OpenAI, Anthropic, Gemini or similar) into production applications
- Strong JavaScript or TypeScript fundamentals
- Experience with auth platforms such as Clerk, Auth0 or similar
- Familiarity with Cloudflare and edge networking principles
- Comfortable in an early-stage environment where you'll wear more than one hat
- An interest in AI literacy, workforce capability or assessment products is a genuine plus
- Build something from the ground up with real commercial traction already behind it
- Work directly with the founder with meaningful input into product direction
- Premium AI tooling from day one, this is an AI-native build
- Hands-on experience with a modern stack across Vercel, Supabase, Cloudflare and LLM APIs
- Hybrid working with flexibility built in
- Real scope to grow as the platform scales from design partners to enterprise
If you're a Lead Full-Stack Engineer who wants early-stage ownership on a product with genuine market timing behind it, get in touch now.
Due to the high volume of applications, not all applicants will receive feedback.
Lead Fullstack Engineer employer: Formula.
Join a dynamic, founder-led HR technology business in St Ives, Cornwall, where you will have the opportunity to lead the development of an innovative AI-powered SAAS platform. With a strong emphasis on employee growth and a collaborative work culture, you'll enjoy hybrid working arrangements, direct access to the founder for impactful decision-making, and the chance to shape the future of a product poised for market leadership. This role offers not just a competitive salary and benefits, but also the unique advantage of being part of a small, agile team where your contributions truly matter.
StudySmarter Expert Advice🤫
We think this is how you could land Lead Fullstack Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who might know someone at the company you're eyeing. A friendly introduction can go a long way in getting your foot in the door.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using Next.js and AI integrations. This gives potential employers a taste of what you can bring to the table.
✨Tip Number 3
Prepare for the interview by brushing up on your knowledge of Vercel, Supabase, and modern deployment practices. Be ready to discuss how you've tackled challenges in previous roles, especially in fast-paced environments.
✨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 that extra step to connect with us directly.
We think you need these skills to ace Lead Fullstack Engineer
Some tips for your application 🫡
Show Off Your Skills:Make sure to highlight your experience with Next.js and any relevant tech you've worked with. We want to see how you can own a frontend codebase and what you've done in serverless environments.
Be Authentic:Let your personality shine through! We’re looking for someone who’s not just technically skilled but also a good fit for our team culture. Share your passion for AI and how it relates to your work.
Tailor Your Application:Don’t just send a generic CV. Tailor your application to reflect the specific requirements of the Lead Full-Stack Engineer role. Show us how your experience aligns with what we’re looking for.
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 us!
How to prepare for a job interview at Formula.
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Next.js, Vercel, and Supabase. Brush up on your JavaScript and TypeScript fundamentals, as well as your experience with LLM APIs. Being able to discuss your hands-on experience confidently will show that you're the right fit for the role.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects, especially those involving architecture decisions or integrating modern technologies. Use examples that highlight your ability to think critically and adapt in an early-stage environment.
✨Demonstrate Your Passion for AI
Since this role involves working with AI-powered tools, express your interest in AI literacy and how it relates to workforce capability or assessment products. Share any relevant projects or ideas you have that could contribute to the company's vision.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s growth plans, product direction, and team dynamics. This not only shows your genuine interest but also gives you a chance to assess if the company aligns with your career goals.
