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Top 10 Companies For React Developers In London - 2024

Updated on October 17, 2023

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Expert engineers at a fraction of the price. By building a global development team you get the utility of having a skilled developer at ⅓ of the price you will find locally, this is a complete game-changer.

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Innowise Group offers specialized React.js development experts who bring extensive experience in delivering impactful projects across various industries, such as finance, banking, EdTech, eCommerce, logistics, and entertainment.

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Wetelo stands as a dynamic software product development and blockchain solutions provider, boasting a dedicated team of over 50 experts who drive business transformations through cutting-edge technologies.

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In the modern competitive business world, freelance developers play a vital role in delivering web, mobile app, and custom software solutions. Their technical skills and experience turn ideas into reality, aiding companies in achieving their goals amidst a dynamic market. This guide unveils strategies to hire exceptional freelance programmers tailored to your project requirements

Discover the Best 10 Platforms for React Developers:

According to Our Online Hiring Platform Research



At, they’ve refined the process of hiring premier React developers down to a science. Central to their success is the rigorous technical vetting they employ.’s Talent Vetting Strategist, formerly an engineer at Tesla, has meticulously crafted their evaluation standards to ensure only the best join a company’s ranks. When a business decides to Hire React Developers or bring on React Developers, they’re tapping into a talent pool that’s been sifted with precision by Moreover,’s commitment to transparency in pricing sets them apart. While many in the industry mark up their rates by 3-4x, operates on slimmer margins. This approach ensures that clients receive outstanding value and the most competitive rates in the market. With, hiring isn’t just a task, but a strategic advantage.

  1. Extensive React Experience: Having successfully managed and developed 100s of React applications, possesses an unparalleled depth of knowledge in React Developers programming, ensuring the React Developers they recruit are best in class.
  2. Global React Talent Pool: Every month, over 2,000 engineers from around the world apply to become a part of Slashdev. This volume of applicants allows them to pick only the best of the best, ensuring that when a company decides to hire React developers from them, they get the Top 1% of React Developers Globally.
  3. Strategic Vetting: Their talent vetting strategist, a former software engineer at Tesla, has worked alongside the team to design a comprehensive vetting process. With best in class talent vetting, they can discover and screen top-tier React Developers better than anyone in the business.
  4. Experienced Engineers From Top Companies: Their network includes Senior React Developers from companies like Accenture and Microsoft, as well as rising stars from top universities around the world. A Remote React Developer from their network has, on average, 5+ years of professional working experience and has built 10+ React Apps.
  5. Value-Driven Pricing: While it’s common in the software engineering market for companies to charge 3-4x what they pay their engineers, prides itself on offering the most affordable pricing models on the market without compromising quality. This makes the decision to hire React developers from them both economically and strategically sound. They are entrepreneurs themselves, so they understand how vital it is to make every dollar count.
  6. Built By Software Engineers For Software Engineers: At, they’re software engineers, not recruiters. They understand the technical challenges of building a performant React App. Their deep engineering experience sets them apart as the Top React Development Company.

If a company needs to hire React Developers, it’s free to get started with, and it takes only a matter of days to meet an engineer. Clients will speak directly with’s Founder & CEO to craft the right React Engineering plan for their project.

  • Price: React Developers starting at $28-$38 per hour (for most standard engineering roles)
  • Quality 10/10: – Vetted React Developers with 5+ years of professional experience
  • Speed: Swift hiring processes – onboard Remote React Developers in just days
  • Flexibility: Catered to your needs – hourly, part-time, and full-time React contracts
  • True Partner & CTO: Direct contact with their CEO ensures transparency and fairness

Key Highlights:

  • Competitive hourly rates from Slashdev developers.
  • Enjoy a one-week risk-free trial.
  • Get matched with top developers at no cost.
  • Access flexible freelance contracts with fair hourly rates.
  • Focus on your strengths, not recruitment.

2. Innowise Group


Innowise Group is a dynamic and international full-cycle software development company with a global presence. Our primary delivery centers are strategically located in Europe, and we maintain offices across the world. With a team comprising over 1500 highly skilled IT professionals, we harness their extensive software engineering expertise to drive innovation and success for businesses like yours.

Key Features:

  • Global Reach: Innowise Group has established itself as a truly international player in the software development arena. With offices across the globe, we possess a unique ability to deliver our services wherever our clients need them, ensuring we are always within reach.
  • Top-Notch Talent: Our team is at the heart of our success. With over 1500 IT professionals onboard, we boast an extensive pool of top-notch talent. Each member brings their unique skills and expertise to the table, collectively working to provide innovative solutions.
  • Full-Cycle Services: We offer a comprehensive range of services that cover the entire software development life cycle. From ideation to development, testing, deployment, and maintenance, we have you covered at every stage of your project.
  • Innovation-Driven: At Innowise Group, we are passionate about fostering innovation. We go above and beyond to infuse creative and groundbreaking ideas into every project we undertake, ensuring that our clients stay ahead of the curve in their respective industries.
  • Customer-Centric: Our customer-centric approach means that we are dedicated to understanding your unique business needs and tailoring our solutions accordingly. Your success is our success, and we are committed to helping you achieve your goals.
  • Innowise Group: is your trusted partner for achieving innovation and success in the ever-evolving world of software and technology. With our extensive experience, global reach, and commitment to excellence, we are poised to help your business thrive and stay competitive. Let’s embark on this journey together, where innovation knows no boundaries.

3. Watelo


Wetelo is your trusted partner for software product development and cutting-edge blockchain solutions. With a dedicated team of over 50 experts, we are committed to revolutionizing businesses by harnessing the power of the latest and most innovative technologies.Wetelo is committed to driving innovation and transformation in businesses. We are here to help you navigate the ever-changing landscape of technology, ensuring that your organization remains competitive and future-ready. 

Key Features:

  • Expert Team: Our team of over 50 experts is at the forefront of technology. With deep expertise in software development and blockchain solutions, we bring a wealth of knowledge and experience to every project we undertake.
  • Cutting-Edge Technologies: At Wetelo, we are passionate about staying at the cutting edge of technology. We leverage the latest advancements in the field to provide our clients with innovative solutions that give them a competitive edge.
  • Software Product Development: We specialize in developing software products that meet the unique needs of our clients. Whether you have a specific vision or require a custom solution, we have the skills and expertise to bring your ideas to life.
  • Blockchain Solutions: Blockchain technology is transforming industries, and we are at the forefront of this revolution. We provide blockchain solutions that enhance security, transparency, and efficiency across various sectors.
  • Business Transformation: Wetelo is not just a technology provider; we are your partner in business transformation. We work closely with our clients to understand their goals and objectives, helping them achieve success through innovative technology solutions.

4. Wednesday Solutions


Wednesday is a leading digital product engineering agency known for our exceptional work in Data Engineering, Data-Centric AI (Generative & Applied), and Application Development. With a dedicated team of experts, we specialize in leveraging data and AI to create innovative and impactful solutions for our clients.

Key Features:

  • Data Engineering Excellence: At Wednesday, we excel in Data Engineering, ensuring that your data is collected, processed, and analyzed efficiently. Our expertise in data pipelines, warehousing, and analytics empowers businesses to make data-driven decisions.
  • Data-Centric AI: We are at the forefront of Data-Centric AI, both in generative and applied contexts. Our AI solutions unlock insights, automate processes, and create predictive models that drive business growth.
  • Application Development: We specialize in creating cutting-edge applications that leverage the power of data and AI. From web and mobile apps to custom software, our development team crafts solutions that deliver a seamless user experience.
  • Innovation: Innovation is at the core of what we do. We constantly explore emerging technologies and methodologies to ensure that our clients stay ahead of the curve. Our commitment to innovation drives the success of our projects.
  • Impactful Solutions: We don’t just build products; we create solutions that have a real impact on businesses. Whether it’s optimizing operations, improving customer experiences, or driving growth, our solutions make a tangible difference.

5. Tech Alchemy

Tech Alchemy

Tech Alchemy is a prestigious software design and development agency located in the vibrant Shoreditch area of London. With a remarkable track record, we have earned the trust of a diverse clientele, ranging from prominent large organizations and established brands to the most innovative and ambitious startups. Our portfolio includes products that have not only been embraced by millions but have also garnered widespread critical acclaim.

Key Features:

  • Award-Winning Excellence: At Tech Alchemy, we take pride in our commitment to excellence, which has earned us prestigious industry awards. Our dedication to quality and innovation sets us apart in the competitive landscape.
  • Trusted by Leading Organizations: Major organizations and well-known brands rely on Tech Alchemy to deliver cutting-edge solutions. Our ability to meet the needs of established entities underscores our expertise and reliability.
  • Startup-Friendly: We are passionate about supporting startups on their journey to success. Tech Alchemy provides startups with the technical prowess and creative thinking needed to turn their bold ideas into reality.
  • Proven Track Record: Our portfolio speaks volumes about our capabilities. The products we’ve designed and developed have not only achieved massive user adoption but have also received acclaim from critics and users alike.
  • Strategic Location: Situated in the heart of London’s tech hub, Shoreditch, we are well-connected to the city’s innovation ecosystem. This prime location enables us to stay at the forefront of industry trends and emerging technologies.

6. Marzee


We are a dynamic web development agency dedicated to crafting, designing, and constructing impactful web experiences. Our mission is to empower organizations worldwide by delivering robust technical support that drives their digital success. At the forefront of technology, we take pride in guiding our clients towards the future of digital transformation.

Key Features:

  • Architects of Impact: As web development architects, we don’t just create websites; we craft digital experiences that leave a lasting impression. Our focus is on delivering solutions that resonate with your audience and drive your organization’s mission forward.
  • Global Empowerment: We extend our services and expertise to organizations around the globe. Whether you’re a local business or a multinational corporation, our solutions are tailored to meet your specific needs.
  • Tech Pioneers: We stay at the cutting edge of technology trends and innovations. Our team is composed of forward-thinkers who are passionate about exploring the latest tools and techniques to ensure that your digital presence remains ahead of the curve.
  • Digital Transformation Partners: We understand the challenges and opportunities presented by the digital age. As your partner in digital transformation, we work alongside you to identify areas for improvement, implement cutting-edge solutions, and elevate your organization’s digital strategy.
  • Solid Tech Support: We provide unwavering technical support, ensuring the stability and reliability of your digital assets. Our goal is to empower you with the technology you need to achieve your goals, backed by a team of experts dedicated to your success.

7. Simply Technologies

Simply Technologies

At Simply Technologies, we take pride in being a premium-level Software Development and Innovation company dedicated to providing on-demand end-to-end software development services and market-ready solutions. With our specialization in multifunctional web and multi-platform mobile apps, large-scale web services, and cutting-edge conversational chatbots, we are at the forefront of technology and innovation.

Key Features:

  • Premium Quality: We are committed to delivering nothing but the best. Our focus on premium quality ensures that every product and solution we offer meets the highest industry standards.
  • End-to-End Solutions: From concept to execution, we provide end-to-end solutions for your software development needs. Whether it’s web applications, mobile apps, or chatbots, we’ve got you covered at every stage of the development process.
  • Innovation at Its Core: Innovation is in our DNA. We embrace the latest technologies and trends to create solutions that not only meet your current needs but also anticipate future challenges and opportunities.
  • Market-Ready Solutions: We don’t just stop at development; we deliver market-ready solutions. Our goal is to ensure that your product is not only functional but also ready to make an impact in the market.
  • Multi-Platform Expertise: Our expertise spans across multiple platforms, ensuring that your solutions are accessible to a wide range of users across different devices and operating systems.

8. Callstack

At our company, we take pride in being leaders in React and React Native services, with a strong focus on delivering cutting-edge technology solutions to our clients. With years of experience and a dedicated team of experts, we are your trusted partner for all things related to React and React Native development.When you partner with us, you’re not just getting a development team; you’re getting a dedicated team of experts who are committed to helping you achieve your technology and business goals.

Key Features:

  • Cutting-Edge Technology: We are at the forefront of technology trends. Our commitment to staying updated with the latest developments in React and React Native ensures that your projects benefit from the most advanced solutions.
  • Enterprise to Startups: We work with a diverse range of clients, including enterprises, small and medium-sized companies, and startups. Our expertise is tailored to meet the unique needs of each client, regardless of their size or industry.
  • Custom Solutions: While we have a deep understanding of React and React Native, we don’t believe in one-size-fits-all solutions. We specialize in delivering both custom and out-of-the-box ideas, providing you with tailored solutions that align with your business goals.
  • Complex Project Expertise: No project is too complex for us. We thrive on challenges and are well-equipped to handle even the most intricate and demanding projects. Our team’s expertise and problem-solving capabilities are second to none.
  • Client-Centric Approach: We put our clients at the center of everything we do. Our client-centric approach ensures that your vision, requirements, and goals are fully understood and implemented in every project.

9. Otrofy


At Otrofy Inc., we are a forward-thinking software development agency dedicated to harnessing cutting-edge technologies to craft exceptional web and mobile applications. Our passion lies in pushing the boundaries of innovation and delivering transformative digital experiences to our clients.

Key Features:

  • Technology Pioneers: We thrive on technology innovation and are always at the forefront of emerging trends. Our team’s expertise spans a wide range of cutting-edge technologies, allowing us to provide state-of-the-art solutions to our clients.
  • Web and Mobile Excellence: Our core focus is on web and mobile application development. We excel in creating robust, user-friendly, and feature-rich applications that cater to the diverse needs of businesses across various industries.
  • Innovation-Driven: Innovation is in our DNA. We actively seek out new and innovative ways to solve complex challenges and elevate the digital experiences we deliver. Our commitment to pushing the boundaries sets us apart.
  • Client-Centric Approach: We understand that each client is unique. Our client-centric approach ensures that we listen closely to your requirements, objectives, and vision to tailor our solutions accordingly.
  • Customized Solutions: One size does not fit all. We specialize in delivering customized solutions that align perfectly with your business goals. Whether you need a web application, a mobile app, or a combination of both, we’ve got you covered.

10. Magora


Magora is a leading Web & Mobile Development Company dedicated to delivering top-notch digital services to businesses across diverse industries. Our expertise extends to sectors such as Pharma & Medtech, Edtech, eLearning, and eCommerce. Whether your project caters to B2C or B2B markets, iOS or Android platforms, we prioritize a comprehensive understanding of your objectives, product, and the needs of your end-users.

Key Features:

  • Client-Centric Approach: We start every project by immersing ourselves in your goals, product intricacies, and the specific requirements of your target audience. Our approach is anchored in placing your needs at the forefront.
  • Cross-Industry Specialization: With a versatile portfolio, we serve clients across diverse industries, enabling us to adapt our skills and knowledge to meet the unique demands of your sector.
  • User-Centric Development: At Magora, we believe that user satisfaction is paramount. Our development cases are marked by user-centric design and functionality, ensuring convenience and delivering real value to your business.
  • Bespoke Solutions: We don’t offer one-size-fits-all solutions. Every project we undertake is tailored to your specific requirements, aligning perfectly with your business goals and vision.
  • Mobile Excellence: Whether it’s iOS or Android app development, we excel in crafting mobile solutions that captivate users, enhance customer engagement, and drive business growth.
  • Innovation at the Core: We thrive on innovation and constantly seek out new technologies and approaches to elevate the digital experiences we create for our clients.
Author - Senior Software Engineering Expert

Author | Michael Ballard | Founder & CEO of Global Software Companies

Michael is an experienced software strategist and entrepreneur, who brings a wealth of expertise in hiring developers across diverse industries. He has recruited over 10,000 engineers around the world to build 100s of software products in technologies like React, React Native, Node, Laravel, Python, Flutter, iOS, Android, PHP, WordPress, Shopify, Vue, Svelte, Rust, C#, Machine Learning, Data Science, and more. He has solidified his reputation as a trusted authority in identifying and recruiting top tech talent. His insights extend to advanced techniques for talent identification, crafting effective hiring strategies, software architecture, and offering valuable expertise in IT Recruiting, Tech, and Marketing.

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Top 10 Software Developement Companies In London

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The Ultimate Guide to Hiring Freelance Developers - 2024

Looking to hire startup developers but not sure where to begin? Struggling to find local talent for your company app? Your search ends here. Our comprehensive guide will lead you through the essential steps to hire top-notch developers for your startup.

Unlocking the Potential of Freelance Developers: Their Impact on Your Company

Before diving into the hiring process, it’s crucial to recognize the substantial contributions freelance developers can offer to your startup. Their expertise in high-demand services and cutting-edge technologies empowers businesses of all sizes to enhance their online presence, create innovative mobile apps, and develop tailored software solutions. By leveraging their skills, companies can gain a competitive edge, meet customer demands, and optimize their operations effectively.

Startups seek developers for various reasons, including:

  • Establishing a Tech Stack
  • Achieving Rapid Growth
  • Staying within Budget
  • Building a Strong Team

However, hiring developers for startups presents several challenges, such as:

  • Limited Local Talent Pool
  • Competition with Larger Corporations for Talent
  • Budget Constraints
  • Recruitment Challenges

To address these hurdles, consider the advantages of hiring remote developers:

  • Access to a Global Tech Talent Pool
  • Expedited Recruitment Process
  • Flexibility in Team Structure
  • Cost-Efficiency
  • Greater Experience and Expertise

Notably, a remarkable 70% of U.S. SMBs have engaged with freelancers, underlining their widespread adoption. An impressive 81% of these businesses intend to rehire freelancers, attesting to their satisfaction with the value freelancers bring. These statistics underscore the pivotal role freelancers play in helping SMBs achieve their growth objectives.

7 Steps to Secure Your Ideal Developer for Your Startup

While there isn’t a one-size-fits-all approach to finding and hiring exceptional programmers, we’ve outlined several effective steps to help you in the process:

  1. Define Your Business Needs: Before you start hiring developers, clarify your project requirements and specifics. Determine the type of developer(s) necessary to meet your project goals.
  2. Choose the Hiring Model: Decide whether your project requires a project-based, dedicated team, or extended team model.
  3. Explore Talent Sources: Utilize online talent platforms like Toptal, Upwork, and Fiverr to discover qualified developers. Filter potential candidates based on their skillset, experience, and location if relevant.
  4. Review CVs & Portfolios: Assess the quality and caliber of their previous work to evaluate their technical capabilities. Understand the range of tools and technologies they are experienced with, and whether they are accustomed to working independently or with project managers. If you use services like Toptal, they may handle this vetting process for you.
  5. Engage with Shortlisted Freelance Developers: Schedule calls with potential candidates to gauge their personality and compatibility with your team. Inquire about their past experiences working on similar projects and assess their problem-solving abilities.
  6. Detailed Project Discussion: Break down your project and explain its objectives and functionality. Provide context by describing the project’s main purpose.
  7. Commence Development: Once you’ve selected a developer, initiate the work on deliverables. Establish regular check-ins and milestone discussions to ensure the project stays on track

What's the Price Tag for Hiring a Freelance Developer?

Breaking Down the Cost of Hiring a Freelance Developer

According to Upwork, the cost of hiring a freelance developer can vary significantly based on several factors. For a full custom site code, typically enterprise-level, involving building a website design from scratch with custom code and design elements, the average hourly rate ranges from $75 to $150 or more. Conversely, a basic one-page site, such as a lead-gen page or landing page, will cost an average hourly rate of $15 to $40 or more.

The following factors play a crucial role in determining the cost of hiring a freelance developer:

  1. Skill Demand: The specific skills in high demand can impact the hourly rate.
  2. Project Complexity: The complexity and scope of project requirements influence pricing.
  3. Geographic Location: The location of qualified candidates may affect rates.
  4. Expertise and Experience: Developers with extensive expertise and experience often command higher rates.
  5. Past Work and Brand Associations: Developers with a track record of working with well-known brands may charge more for their services.

Essential Skills to Seek When Recruiting a Startup Developer

As eloquently put by the distinguished software engineer, Martin Fowler: “Any fool can write code that a computer can understand. Good programmers write code that humans can understand.”

This quote underlines the significance of not only possessing fundamental technical knowledge but also the skill to produce clean, maintainable, and comprehensible code. Employing developers who embrace this perspective can significantly enhance project success and team efficiency. When seeking a freelance developer, it’s crucial to identify someone with a broad spectrum of technical competencies, which may include:
  1. Coding Languages:
  2. Web Frameworks:
    • ReactJS, Angular, and others Systems Architecture
  3. Database Technologies:
    • MySQL, MongoDB, and others Cloud Computing
  4. DevOps Tools:
    • Docker, Kubernetes, and more
In addition to technical skills, soft skills are equally important, such as effective communication and the ability to deliver solutions promptly and efficiently.

Selecting the Ideal Platform for Recruiting Developers

Exploring the Advantages of Employing Freelance Developers Leveraging freelance developers for your project offers numerous advantages:
  1. Access to a Global Talent Pool
  2. Increased Likelihood of Finding Developers with Specific Skills
  3. Potential Cost Savings, Eliminating Payroll Taxes, Benefits, and Overhead Expenses
  4. Flexibility through Contractual Commitments
  5. Coverage Across Multiple Time Zones
The practice of hiring remote and freelance developers is gaining widespread acceptance, with numerous websites claiming to be the optimal resource for finding such talent. Each platform comes with distinct structures and assurances, so it’s essential to be comfortable with a specific site’s parameters. We have compiled a list of recommended top sites for locating developers with diverse skills, but how do you determine which type of site aligns best with your requirements?

Services Specializing in Talent Matching

Not everyone possesses the technical expertise to screen and validate developers’ qualifications. Platforms like Toptal and Hired take on these responsibilities and exclusively endorse top-tier developers. Leveraging talent-matching sites allows you to efficiently and swiftly discover developers tailored to your project’s requirements. This not only saves time and resources but also guarantees that your developer team possesses the qualifications necessary for project success.

Marketplaces for Freelance Developers

Marketplaces provide a platform for skilled developers to showcase their services. While most of these sites do not perform extensive developer screening or vetting, some do offer such services. If you are working under time constraints or lack the confidence to evaluate a candidate’s qualifications independently, this type of site may not align with your needs.

Job Boards for Developers

If your preference is to post your project description and job openings, consider utilizing a developer job board. These platforms enable interested developers to submit applications, and they may also offer assistance in the selection process.

Services Specializing in Talent Matching

Not everyone possesses the technical expertise to screen and validate developers’ qualifications. Platforms like Toptal and Hired take on these responsibilities and exclusively endorse top-tier developers. Leveraging talent-matching sites allows you to efficiently and swiftly discover developers tailored to your project’s requirements. This not only saves time and resources but also guarantees that your developer team possesses the qualifications necessary for project success.

Where to Locate Freelance Developers Available for Hire

Talent-matching services like Toptal and Arc prove to be excellent platforms when you seek verified and pre-vetted tech talent, particularly for those placing trust in experienced tech professionals. On the flip side, freelance marketplaces such as Upwork, People Per Hour, Fiverr, and Freelancer enable direct hiring of programmers.

Each of the job boards, marketplaces, and matching services mentioned earlier offers distinct advantages, but the ideal choice depends on your specific circumstances, including:

  1. Project Timeline
  2. Urgency of Hiring
  3. Developer Expertise
  4. Number of Dedicated Developers Required
  5. Emphasis on Quality
  6. Project Complexity
  7. Comfort with Remote or International Outsourcing
  8. Budget Constraints
  9. Platform Reputation

By adhering to the strategies outlined in this comprehensive guide, you can effectively recruit outstanding freelance developers capable of propelling your projects to success. Appreciate their value, formulate a tailored hiring strategy, leverage reputable talent platforms, consider pricing considerations, and assess critical technical and soft skills. With the right freelance developers onboard, you can unleash your company’s full potential, maintain competitiveness, and attain your business goals with efficiency.

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