At a Glance
- Tasks: Build and architect a core platform in a fast-paced startup environment.
- Company: Join a stealth-mode startup at the intersection of healthcare, fintech, and AI.
- Benefits: Competitive salary, equity, and unique startup perks.
- Other info: Opportunity for leadership as the company grows and dynamic problem-solving.
- Why this job: Take ownership of your work and make a real impact from day one.
- Qualifications: 4+ years of fullstack development experience with strong backend and frontend skills.
The predicted salary is between 100000 - 140000 € per year.
Hybrid – 2–3 days/week in London (near London Bridge) £100k–£140k + great equity + startup perks.
Neulinx is hiring on behalf of a stealth-mode startup operating at the intersection of healthcare, fintech, and AI. We’re looking for a Founding Fullstack Engineer to help build their core product from scratch. This is the startup’s first technical hire — an opportunity for someone who wants full ownership, fast pace, and real impact.
You’ll work directly with the technical founder (ex-healthtech scaleup) to design, build, and ship the MVP. It’s a hands-on engineering role now, with a clear path to a leadership position as the company grows.
What You’ll Do
- Architect and build the core platform — backend, frontend, infrastructure
- Own scalability, performance, security, and deployment
- Architecting and scaling LLM-powered applications
- Work side-by-side with product and ops to solve meaningful problems fast
- Shape engineering culture, processes, and future team structure
What We’re Looking For
- ~4+ years of fullstack development experience, ideally in startups or product-led teams
- ~ Strong backend expertise, especially with Node
- Solid frontend skills — React, TypeScript
- Proven experience building and maintaining production systems
- Bias toward shipping, iterating, and solving problems — not just perfecting code
- Experience in architecting and scaling LLM-powered applications desirable
- Strong communicator who’s comfortable in an unstructured, high-ownership environment
Nice-to-Haves
- Background in fintech, healthtech, or AI-powered products
- Experience working with LLMs, chat interfaces, or emerging AI tools
Why It’s a Unique Opportunity
- You’ll own the build — from architecture to first users
- You’ll solve real-world complexity in healthcare and finance
- You’ll have early equity in a venture with long-term growth potential
If you're a fullstack engineer who wants to help launch something meaningful — and own a big piece of the journey — reach out via Neulinx to learn more or apply.
Full-Stack Developer, Python, React.js in London employer: Neulinx
Neulinx offers an exceptional opportunity for a Fullstack Engineer to join a stealth-mode startup at the forefront of healthcare, fintech, and AI. With a hybrid work model in London, employees benefit from a dynamic work culture that fosters innovation and ownership, alongside competitive compensation and equity options. As the first technical hire, you'll have the chance to shape the engineering landscape and drive meaningful impact while enjoying the perks of a startup environment.
StudySmarter Expert Advice🤫
We think this is how you could land Full-Stack Developer, Python, React.js in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those in startups or related fields. A personal introduction can make all the difference when you're aiming for that founding engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Python and React.js. This is your chance to demonstrate your hands-on experience and problem-solving abilities directly to potential employers.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common interview questions and be ready to discuss how you've tackled challenges in past projects — they want to see your thought process!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to connect with us directly.
We think you need these skills to ace Full-Stack Developer, Python, React.js in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your full-stack development experience, especially with Python and React.js, and don’t forget to mention any relevant projects or roles in startups.
Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality and passion for the role. Explain why you’re excited about building something from scratch and how your background aligns with our mission in healthcare, fintech, and AI.
Showcase Your Problem-Solving Skills:In your application, give examples of how you've tackled challenges in previous roles. We want to see your bias towards shipping and iterating, so share specific instances where you’ve solved problems effectively.
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 about the hiring process.
How to prepare for a job interview at Neulinx
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially Python, React.js, and Node. Brush up on your full-stack development skills and be ready to discuss how you've used these technologies in past projects.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled complex problems in previous roles. Since this startup is looking for someone who can solve meaningful problems quickly, be ready to share specific instances where you’ve made a significant impact through your solutions.
✨Demonstrate Ownership and Leadership Potential
As the first technical hire, they want someone who can take ownership. Talk about times when you’ve led projects or initiatives, and express your enthusiasm for shaping the engineering culture and processes as the company grows.
✨Be Ready for a Dynamic Environment
This role is in a fast-paced startup, so highlight your adaptability and comfort with ambiguity. Share experiences where you thrived in unstructured environments and how you managed to deliver results despite challenges.
