Junior/Mid Level Frontend Developer
Junior/Mid Level Frontend Developer

Junior/Mid Level Frontend Developer

London Part-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Build fast, modern interfaces using React, TypeScript, and Next.js.
  • Company: Join a deep-tech company founded by top scientists, focused on AI platforms.
  • Benefits: Work onsite in London with a collaborative, mission-driven team.
  • Why this job: Be part of an exciting project that shapes the future of AI technology.
  • Qualifications: 1–4 years of frontend experience; expertise in React and TypeScript required.
  • Other info: Bonus points for knowledge of Tailwind, CI/CD pipelines, and micro frontends.

The predicted salary is between 36000 - 60000 £ per year.

We’re helping one of our deep-tech clients grow their frontend team — and they’re looking for a Frontend Engineer with a strong handle on React + TypeScript and a love for clean, scalable UI.

You’d be joining a sharp, collaborative engineering team that’s building the frontend of some seriously exciting AI platforms. If you’re into performance, state management, and making things look just right, this one’s for you.

  • Building fast, modern interfaces with React, TypeScript, and Next.js
  • Getting stuck into architecture, code reviews, and pair programming
  • Collaborating with backend and product teams to ship real features

Requirements:

  • 1–4 years of frontend experience
  • Know React + TypeScript like the back of your hand
  • Curious about things like micro frontends (Webpack/Rspack)

Bonus points if you’ve touched Tailwind, CI/CD pipelines, or love building clean, reusable components.

Onsite in London, working alongside a smart, mission-driven team that’s building cutting-edge AI products from the ground up.

Junior/Mid Level Frontend Developer employer: numi

As a Junior/Mid Level Frontend Developer in London, you'll be part of a dynamic and innovative team dedicated to pushing the boundaries of AI technology. The company fosters a collaborative work culture that encourages creativity and professional growth, offering opportunities for mentorship and skill development. With a focus on building clean, scalable interfaces and a commitment to employee well-being, this role provides a unique chance to contribute to groundbreaking projects while enjoying the vibrant atmosphere of London.
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Contact Detail:

numi Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Junior/Mid Level Frontend Developer

✨Tip Number 1

Familiarise yourself with the latest trends in frontend development, especially around React and TypeScript. Join online communities or forums where developers share their experiences and insights, as this can help you stay updated and make valuable connections.

✨Tip Number 2

Build a portfolio showcasing your projects that highlight your skills in React and TypeScript. Make sure to include examples of clean, scalable UI designs and any collaborative work you've done, as this will demonstrate your ability to work within a team.

✨Tip Number 3

Prepare for technical interviews by practicing coding challenges that focus on frontend technologies. Websites like LeetCode or Codewars can be great resources to sharpen your problem-solving skills and get comfortable with common interview questions.

✨Tip Number 4

Network with professionals in the industry, especially those who work with AI platforms or in similar roles. Attend meetups or tech events in London to connect with potential colleagues and learn more about the company culture at StudySmarter.

We think you need these skills to ace Junior/Mid Level Frontend Developer

Proficiency in React
Strong knowledge of TypeScript
Experience with Next.js
Understanding of state management
Familiarity with micro frontends
Knowledge of Webpack/Rspack
Ability to write clean, reusable components
Experience with Tailwind CSS (bonus)
Understanding of CI/CD pipelines (bonus)
Collaboration skills for working with backend and product teams
Code review experience
Pair programming experience
Attention to detail in UI design
Performance optimisation skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with React and TypeScript prominently. Include specific projects where you've used these technologies, and mention any relevant frameworks like Next.js or Tailwind.

Craft a Compelling Cover Letter: In your cover letter, express your passion for frontend development and clean UI design. Mention your interest in AI platforms and how your skills align with the company's mission and values.

Showcase Your Projects: If you have a portfolio or GitHub repository, include links to your best work. Highlight projects that demonstrate your ability to build scalable interfaces and collaborate with teams.

Prepare for Technical Questions: Anticipate technical questions related to React, TypeScript, and state management. Brush up on concepts like micro frontends and be ready to discuss your approach to code reviews and pair programming.

How to prepare for a job interview at numi

✨Showcase Your React and TypeScript Skills

Make sure to prepare examples of your previous work with React and TypeScript. Be ready to discuss specific projects where you implemented these technologies, focusing on the challenges you faced and how you overcame them.

✨Demonstrate Your Understanding of UI Principles

Since the role emphasises clean and scalable UI, be prepared to talk about your design philosophy. Discuss how you ensure usability and performance in your interfaces, and consider bringing a portfolio of your work to illustrate your points.

✨Engage in Technical Discussions

Expect to dive into technical topics during the interview. Brush up on state management, micro frontends, and any relevant tools like Webpack or Rspack. Showing your curiosity and willingness to learn will impress the interviewers.

✨Prepare for Collaborative Scenarios

As the role involves working closely with backend and product teams, think of examples where you've successfully collaborated with others. Highlight your experience in code reviews and pair programming to demonstrate your teamwork skills.

Junior/Mid Level Frontend Developer
numi
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  • Junior/Mid Level Frontend Developer

    London
    Part-Time
    36000 - 60000 £ / year (est.)

    Application deadline: 2027-05-15

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    numi

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