Full Stack Engineer (Python and React) in London

Full Stack Engineer (Python and React) in London

London Full-Time 70000 - 180000 £ / year (est.) No home office possible
Harnham - Data & Analytics Recruitment

At a Glance

  • Tasks: Develop AI-powered legal tools and design scalable APIs for global use.
  • Company: Fast-growing legal-tech startup revolutionising the IP lifecycle with Generative AI.
  • Benefits: Competitive salary, equity options, and a dynamic work environment.
  • Other info: Exciting opportunity for career growth in a rapidly scaling team.
  • Why this job: Join a profitable startup making a real impact in the legal tech space.
  • Qualifications: Strong skills in Python, TypeScript, and React; full-stack experience preferred.

The predicted salary is between 70000 - 180000 £ per year.

A fast-growing legal-tech startup applying Generative AI to the entire IP lifecycle - patents, trademarks, and legal documentation. They build real production systems used by 400+ IP teams globally, including top law firms and major enterprises.

Why they stand out:

  • Series B funded, £55m raised
  • 10x+ ARR growth in the last year, now eight figures
  • Already profitable
  • Scaling rapidly: ~20-60 people in London this year

What You'll Work On:

  • AI-powered legal drafting & document editing
  • Vector search & citation systems
  • Patent litigation tools (claim charts, large-scale analysis)
  • Professional-grade legal workflows (not just chat UIs)

The Role:

  • Hiring senior Full Stack Engineers, open to backend- or frontend-leaning profiles.
  • Build and scale core backend foundations
  • Design APIs and data systems for global scale
  • Work closely with founders on product direction
  • Own complex UIs for AI-driven legal workflows
  • Heavy work with WYSIWYG editors (TinyMCE / CKEditor)
  • Still hands-on with backend to deliver end-to-end features

What They're Looking For:

  • Strong Python and/or TypeScript and React
  • Solid full-stack fundamentals
  • Top academic background preferred
  • Comfortable moving fast in a startup environment
  • Happy being in the office 5 days a week

Full Stack Engineer (Python and React) in London employer: Harnham - Data & Analytics Recruitment

Join a dynamic and innovative legal-tech startup in London, where you'll be at the forefront of applying Generative AI to revolutionise the IP lifecycle. With a strong focus on employee growth, a collaborative work culture, and the opportunity to work closely with founders, this company offers a unique environment for Full Stack Engineers looking to make a meaningful impact while enjoying competitive compensation and equity options.
Harnham - Data & Analytics Recruitment

Contact Detail:

Harnham - Data & Analytics Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Full Stack Engineer (Python and React) in London

✨Tip Number 1

Network like a pro! Reach out to people in the industry, especially those working at legal-tech startups. A friendly chat can lead to insider info about job openings and even referrals.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Python and React. This is your chance to demonstrate your full-stack prowess and make a lasting impression.

✨Tip Number 3

Prepare for technical interviews by brushing up on your coding skills. Practice common algorithms and system design questions, and don’t forget to review the specific tech stack mentioned in the job description.

✨Tip Number 4

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 directly with us.

We think you need these skills to ace Full Stack Engineer (Python and React) in London

Python
TypeScript
React
Full Stack Development
API Design
Data Systems Design
WYSIWYG Editors (TinyMCE / CKEditor)
Backend Development
Frontend Development
Startup Environment Adaptability
Collaboration with Founders
Complex UI Development
LegalTech Knowledge
Generative AI Understanding

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Full Stack Engineer role. Highlight your Python and React expertise, and don’t forget to mention any relevant projects or achievements that showcase your full-stack capabilities.

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to tell us why you’re excited about working in LegalTech and how your background aligns with our mission. Be genuine and let your personality come through!

Showcase Your Projects: If you've worked on any cool projects, especially those involving AI or legal tech, make sure to include them. We love seeing real examples of your work, so links to GitHub or personal websites are a big plus!

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’re considered for the role. Plus, it shows us you’re keen to join our team!

How to prepare for a job interview at Harnham - Data & Analytics Recruitment

✨Know Your Tech Stack

Make sure you’re well-versed in Python and React, as these are crucial for the role. Brush up on your full-stack fundamentals and be ready to discuss how you've used these technologies in past projects.

✨Understand the Company’s Mission

Familiarise yourself with the legal-tech landscape and how Generative AI is transforming it. Knowing the company’s products and their impact on IP teams will show your genuine interest and help you stand out.

✨Prepare for Technical Questions

Expect to dive deep into your coding skills. Practice common algorithms and data structures, and be ready to solve problems on the spot. It’s also a good idea to review API design principles since that’s part of the role.

✨Show Your Startup Spirit

This company is scaling rapidly, so they’ll want to see that you can thrive in a fast-paced environment. Share examples of how you’ve adapted to change or taken initiative in previous roles to demonstrate your fit.

Full Stack Engineer (Python and React) in London
Harnham - Data & Analytics Recruitment
Location: London

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