As a Senior Front-end Engineer, you will lead the development of sophisticated, user-centric interfaces using React. You will be responsible for architecting scalable front-end solutions, ensuring high performance across devices, and collaborating with cross-functional teams to deliver seamless digital products that redefine industry standards for performance and accessibility in the London market.
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Senior Front-end Engineer at Levels Tech
Join a high-performance engineering team in London building next-generation digital experiences. As a Senior Front-end Engineer, you will own complex React architectures and drive technical excellence for a product seeing massive traction. If you are a React expert looking to make a visible impact at a scaling tech firm with an innovation-first culture, this is the career-defining move you've been waiting for.
About this role
Role overview
About the company
Levels Tech
1-50 employees
High-growth London technology scale-up building next-generation digital experiences
What you'll do
What you will do
- Architect and implement robust, reusable React components to build complex and highly responsive web applications.
- Optimize application performance to ensure lightning-fast load times and smooth user interactions across all browser environments.
- Collaborate closely with designers and backend engineers to bridge the gap between visual design and technical implementation.
Who you are
Who this is a fit for
- Possesses extensive professional experience building large-scale web applications with a deep mastery of React and the modern JavaScript ecosystem.
- Demonstrates a strong eye for UI/UX detail and a commitment to writing clean, maintainable, and well-tested code.
- Proven track record of delivering high-impact features in a fast-paced, agile environment based in a major tech hub like London.
Why this role
Why this role is remarkable
- Work at the forefront of London's tech scene within a high-performance engineering culture that prioritizes technical excellence and modern best practices.
- Take ownership of complex front-end architectures for a product seeing rapid user adoption and significant market traction.
- Influence the long-term technical roadmap and mentor junior talent in a collaborative, innovation-first environment.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.