Hire the Best JavaScript Developers Near London

Toptal is a marketplace for top JavaScript developers. Top companies and startups in London choose Toptal JavaScript freelancers for their mission-critical initiatives.

No-Risk Trial, Pay Only If Satisfied.

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Hire JavaScript developers near London or in a similar time zone

Niels Andriesse

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since April 5, 2016

Niels has a strong focus on entrepreneurial ventures and a natural aptitude for software engineering. He taught himself programming during his aerospace engineering studies, where he used his skills to develop powerful structural analysis and orbit design tools. Niels has since been a major part of multiple world-class startups, building and shipping high-end consumer-facing iOS and Android applications using languages such as Swift, Kotlin, JavaScript, Rust, and Python.

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Vasilis Kortsimelidis

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since October 4, 2017

Vasilis is a front-end expert who specializes in React development. He strives to provide the best user experience through pixel-perfect, accessible, and fast user interfaces. He has worked at a startup, digital agencies, and ASOS, a company with a £4 billion revenue and millions of page views per hour. Vasilis is a proficient developer who can work effectively with other developers, designers, and product managers while mentoring others.

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Ben Carey

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since March 6, 2018

With over twenty years of development experience, accompanied by over a decade of building and consulting with tech startups, Ben is a seasoned veteran who brings an abundance of specialized skills. He was vice president of partnerships and product strategy at one of Europe's leading startup accelerators for over two years. The combination of coding and strategic experience that Ben brings is unrivaled.

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Igor Pejic

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since April 2, 2018

Igor is an experienced CTO with over seven years of development expertise. He has a master's degree in artificial intelligence and enjoys the utilization of machine learning in software development. Igor prefers to work on scalability and performance-intensive projects. He holds a work authorization for the UK as a Global Talent visa holder and in the EU as an EU citizen.

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Giovanni Mazza

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since January 29, 2020

Gianni has over 20 years of experience developing applications with the LAMP stack and over 15 years with Ruby on Rails. Currently, he works for an edtech company based in London as a technical architect, tasked to re-architect the platform from an old monolith app to a modern stack using cutting-edge technologies. He communicates exceptionally well in Italian and English; his strengths are efficiency, competence, and organizational skills within a teamwork and on his own.

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Michael Perju

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since July 29, 2021

Michael has a degree in AI with a strong background in algorithms and data structures. He was a researcher at the Royal Holloway University of London, delivered a paper titled "Disentangled Representation Learning," and led projects for clients such as Bosch, the Mayor of London, and GLAs Greater London Authorities. He has worked with professors from universities such as UCL and Pittsburgh for UK, EU, US, and African cities on projects from data science, to government, Healthtech, and IoT.

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Brandon Gomes

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since September 7, 2021

As a full-stack developer with a background in electronic engineering, Brandon provides elegant and efficient solutions to complex problems. Having worked at both small startups and large multi-national organizations, he can easily adapt to any environment. Brandon is a lifelong learner who appreciates incorporating cutting-edge technology into his work.

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Karen Chioma Okonkwo

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since December 15, 2021

Karen is a software engineer with four years of professional experience. She loves building web software solutions that impact users. Karen is well-versed in creating easy-to-use, responsive, accessible, and user-friendly websites and web applications. She is also experienced in the development of back-end services and APIs. A developer with an excellent grasp of engineering concepts, data structures, algorithms, and system designs, Karen makes sure to provide the best possible quality.

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Sanjeevan Ambalavanar

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since February 25, 2022

Sanjeevan is a product-focused, full-stack engineer who works with startups to build their MVPs, iterate on products, and scale as their business grows. He has extensive product and entrepreneurial experience and enjoys collaborating with stakeholders to create products that customers love.

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Ibukunoluwa Popoola

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since March 17, 2022

Ibukunoluwa is a dynamic software engineer with over five years of experience as an innovative front-end developer. A high-impact team contributor who elevates sales and user experiences, he is excellent in open source and startups and an expert in application development and architecture. Ibukunoluwa's creative problem-solving and keen understanding of emerging technologies consistently deliver cutting-edge solutions.

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Gareth Tomlinson

Freelance JavaScript Developer
Verified Expert ​in Engineering
United Kingdom
Toptal Member Since June 29, 2022

Gareth has been coding since he got a ZX81 when he was eight. Back then, you typed in the games you wanted to play, so you really needed to earn your Moon Lander game. But gaming didn't stick, and instead, Gareth created systems, which he has continued to develop to this day. With a passion for making things, he loves to take each file he touches to the next level. An energetic self-starter, Gareth is an inventor who is always brimming with ideas to deliver quality solutions.

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A Hiring Guide

Guide to Hiring a Great JavaScript Developer

JavaScript developers are needed in many contexts—front-end, back-end, full-stack, and mobile development can all involve JavaScript skills. This guide to hiring JavaScript developers features interview questions and best practices to help you find the perfect fit for your company’s project.

Read Hiring Guide

JavaScript Hiring Resources

Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Creating an app for the game
Leading a digital transformation
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
Testimonials

How to Hire JavaScript Developers Near London

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right JavaScript developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new JavaScript developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Tap Into World-class Talent

  • Trusted Talent Only

    Trusted Talent Only

    All of our talent are seasoned professionals who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top JavaScript Developers Are in High Demand.

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