Frontend Engineer

2 weeks ago

London, Greater London, United Kingdom Jack & JillExternal ATS Full time £60,000 - £120,000 per year

This is a job that we are recruiting for on behalf of one of our customers.

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.

Title: Frontend Engineer (+ Equity) at Thema - Deep-tech AI Company

Company Description: Thema - Deep-tech AI company, backed by top-tier investors.

Job Description:
Join Thema, a rapidly growing deep-tech AI company, as an early Frontend Engineer. You'll build and innovate web applications, shape systems, and contribute to a category-defining platform understanding economic connections. This role offers significant ownership and the chance to grow with a cutting-edge team.

Location: London, UK or Lisbon, Portugal

Why this role is remarkable:

  • Join pre-Series A with meaningful equity and exceptional growth opportunities in a category-defining company.

  • Work at the frontier of AI with a deep-tech company building foundational infrastructure, backed by top-tier investors.

  • Take real ownership of core systems, shaping the product, team, and culture alongside exceptional engineers and founders.

What you will do:

  • Build and maintain sophisticated web applications, collaborating to define, scope, and plan new features.

  • Innovate on user interfaces and data visualisations using tools like or , focusing on elegant UX.

  • Champion frontend best practices, continuously developing skills and implementing modern coding, testing, and deployment.

The ideal candidate:

  • Possesses 3+ years of TypeScript development experience in modern web apps, including React, and skilled at consuming REST services.

  • Demonstrates deep knowledge of CSS, semantic markup, and building accessible interfaces with a strong eye for clean UX.

  • Proven ability to write clean, testable, and maintainable code, with strong communication, autonomy, and a continuous learning mindset.

How to Apply:
To apply for this job speak to Jack, our AI recruiter.
Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

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