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- Tasks: Lead the development of an AI-powered platform and shape its architecture.
- Company: Join a founder-led HR tech business with exciting growth potential.
- Benefits: Competitive salary, bonus, hybrid working, and opportunities for professional growth.
- Other info: Be part of a small team where your voice truly matters.
- Why this job: Make a real impact by building innovative solutions from the ground up.
- Qualifications: Experience in Next.js, Vercel, and integrating AI tools 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
Lead Full-Stack Engineer Requirements:
- 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
Why apply as a Lead Full-Stack Engineer?
- 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.
Lead Fullstack Engineer in Cornwall employer: Formula.
Contact Detail:
Formula. Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Lead Fullstack Engineer in Cornwall
✨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 personal introduction can make all the difference 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 understanding the company's product and its market. Be ready to discuss how your experience with Vercel, Supabase, and LLM APIs can directly contribute to their growth. We want to see your passion!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in being part of our team and the exciting journey ahead.
We think you need these skills to ace Lead Fullstack Engineer in Cornwall
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your experience with Next.js and any relevant projects you've worked on. We want to see how you can own a frontend codebase and what you've done in serverless environments.
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. Mention your hands-on experience with Vercel, Supabase, and integrating LLM APIs.
Be Yourself: We’re looking for someone who fits into our team culture. Don’t be afraid to let your personality shine through in your cover letter. Share your passion for AI and how it relates to workforce capability or assessment products.
Apply Through Our Website: For the best chance of getting noticed, make sure to apply directly through our website. It helps us keep track of applications and ensures you’re considered for this exciting opportunity!
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 you'll need to demonstrate your technical prowess. Be ready to discuss how you've used these technologies in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous roles, especially around integrating LLM APIs or managing infrastructure. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your problem-solving abilities.
✨Demonstrate Your Leadership Qualities
As a Lead Full-Stack Engineer, you’ll be expected to take ownership of architecture decisions. Share examples of how you've led teams or projects in the past, and be prepared to discuss how you would approach decision-making in this role.
✨Express Your Passion for AI and Innovation
Since the company is focused on AI-powered solutions, show your enthusiasm for AI literacy and workforce capability. Discuss any relevant projects or interests that align with their mission, and be ready to share your thoughts on the future of AI in HR technology.