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Toptal’s ReactJS Development Services help you build high-performance, scalable web and mobile applications using a component-based architecture. From custom UI to full-stack solutions, we create seamless user experiences that help you achieve your business objectives.
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Get a Free Consultation NowOur ReactJS development experts, with experience at leading companies, develop and deploy tailored solutions to meet your business needs and unique industry demands for sustainable results and long-term success.
CEO, Technology ServicesAs Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 100 manufacturers.As Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 100 manufacturers.
Previously At
CEO, Technology Services
As Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 100 manufacturers.
Previously at
Technology Experience
35+ Years
Delivery Manager
Rachael serves as a Delivery Manager at Toptal with a focus on leading diverse global teams in developing innovative solutions for our clients. She works across multiple disciplines, including technology, marketing, and management consulting. Rachael specializes in managing people and client relationships, process optimization, and driving teams toward optimal business outcomes.
Previously Managed Client
Experience
9+ Years
9+ Years
of Experience
Oliver is a React expert who has worked with high-profile clients such as Facebook, Chess.com, and Diem and a full-stack developer who brings energy and intelligence to any team he joins. Oliver's clients value his rapid pace of development and high throughput. His love of programming comes from writing clean, elegant, and scalable solutions.
Previously at
15+ Years
of Experience
Ian is a knowledgeable product lead, seasoned marketer, and startup founder/CEO with more than a 15 years of product experience. He's worked in various capacities and led successful product teams at Amazon from C-suite presentations to writing his own MySQL queries for the data in the pursuit of making the best decisions. Ian also has an MBA from MIT, a BA from Yale, and was a Fulbright Fellow.
Previously at
21+ Years
of Experience
Dory is an innovative software engineer with 21+ years of success, building customer-centric technology products and solutions. He built systems powering a $100 million advertising business for one client and improved performance by 15X for another. Dory has hired and trained teams and turned MVPs into full products. He has experience across a broad ecosystem of software, tools, and platforms, including Python, AWS, JavaScript, and React, to drive effective end-to-end execution of projects.
Previously at
5+ Years
of Experience
Laurynas has more than five years of professional experience developing web and mobile applications with modern and efficient technologies. He is proficient in a diversified tech stack, including C#, .NET, Node.js, Python, TypeScript, JavaScript, React, and Angular. Laurynas has worked across the financial, e-commerce, video game, and software industries, and is willing to embrace new challenges.
Previously at
11+ Years
of Experience
Paula is an award-winning UX/UI designer, advisor, and illustrator with more than 11 years of hands-on experience in making complex interfaces delightful and user friendly. She has made a significant impact in large corporations, such as Amazon, Zillow, Google, as well as startups. Her mission is to create efficient, beautiful, innovative, and high-quality experiences for the greater good of society.
Previously at
12+ Years
of Experience
Dimitris is a QA automation architect focused on de-risking clients’ technical investments by upskilling teams and automating processes. He particularly enjoyed his four years at Novoda, the mobile agency, where he worked on challenging projects with no existing testing practices. Dimitris has set up clients’ QA teams from scratch and developed his leadership skills.
Previously at
10+ Years
of Experience
A seasoned front-end engineer, Sergei Garcia boasts more than a decade of impact. Notably, he orchestrated a dynamic overhaul at Typing.com through a 2.5-year front-end refactoring to React, revolutionizing UX for its 35+ million users. He is celebrated for creating high-performance applications with exemplary UX, and his empathetic leadership and zest for continual growth establish him as more than a tech maestro. He’s also an exceptional mentor who elevates every team he joins to new heights.
Previously at
11+ Years
of Experience
Rachel is a product designer passionate about enhancing human experiences through technology and user-centered design. With more than 11 years of experience, she has worked with startups and FAANG companies, leading research and product design efforts to align with business goals and address UX challenges. Rachel has worked across industries including autonomous vehicles, marketing automation, fintech, advertising, and recruitment platforms.
Previously at
22+ Years
of Experience
With more than two decades of experience, Vishal is a full-stack developer and an expert in JavaScript, Angular, React, and Node. He has led UI teams with a focus on best practices to deliver complex, mission-critical apps at companies like Delta Air Lines, Deloitte, and State Farm. He has also done extensive back-end work on Node for apps that scale to millions of daily users.
Previously at
16+ Years
of Experience
Jose is a software architect and developer with desktop, web, mobile apps, and big data expertise. He worked at billing for Microsoft using Azure, power apps, flows, and the big data platform, one of the world's biggest clusters. He co-founded a last-mile delivery app called Encalientes that connects restaurants with customers and drivers. Jose's contributions to the app were critical for it to reach over 60,000 active users and become operational in four cities.
Previously at
16+ Years
of Experience
David is a software engineer and an adjunct computer science professor at Stevens Institute of Technology in Hoboken, New Jersey. They’ve been involved in a number of startup businesses and have worked in the financial services sector on high-bandwidth/high-transaction computing. David is an expert in C#/.NET and TypeScript, having used both since initial betas; they also do regular work with .NET Core and Node.js on the back end and React, Angular, Cordova, and Ionic on the front end.
Previously at
14+ Year
of Experience
Chris is a seasoned principal DevOps engineer with several years of experience building and managing applications. Formerly the director of DevOps/SRE at an AI company, Veritone, in Costa Mesa, CA, and a solutions architect at AWS. Chris has led numerous large-scale cloud architecture designs and implementations, including building a real-time serverless AI platform on AWS.
Previously at
19+ Years
of Experience
Claudio has 19+ years of software development experience and a cybersecurity degree. He has handled back-end, front-end, and full-stack development, DevSecOps, application security, penetration testing, and solutions architecture. With his combined expertise, Claudio focuses on helping companies by developing and architecting secure and resilient web and mobile applications.
Previously at
19+ Years
of Experience
Over the past 19 years, Ren has built and launched five successful digital products and businesses. He has worked across e-commerce, gaming, mobile apps, and SaaS platforms for a wide range of organizations, from Silicon Valley startups to Fortune 100 companies like Disney. Ren is passionate about building strong teams with the right culture, developing products with customers in mind, and guiding product strategy through data-driven insights.
Previously at
12+ Years
of Experience
Harish is a QA professional with more than 12 years in different QA roles (test lead, Scrum master), including in test automation, test management, test analysis, and manual testing. He specializes in different testing levels (unit/API/E2E) and testing types (functional, performance, security) for mobility, web, APIs, and legacy mainframes applications. With a solution-oriented mindset and a customer-centric focus, Harish is a team player who enjoys working with people following the Lean and Agile approaches.
Previously at
Looking for guidance about the perfect ReactJS development service for your needs?
Looking for guidance about the perfect ReactJS development service for your needs?
UNRIVALED EXPERTISE
Having previously worked with these leading global companies, our talent brings valuable insights and expertise to deliver world-class outcomes.
Discover the cutting-edge benefits our clients enjoy globally from the Toptal network.
Challenge: An HR software company needed additional ReactJS developers to handle an increased workload and meet new design guidelines for its web application redesign. It partnered with Toptal to create custom, high-quality ReactJS components.
Solution: Toptal quickly developed the unique components, ensuring high-quality code and alignment with new design guidelines. The team executed the project systematically, adapting to specific requirements and urgency levels to support an effective redesign kickoff.
Outcome: Toptal’s swift development allowed the company to meet design guidelines efficiently, streamlining UI development for feature teams. The Toptal team’s methodical approach enabled a smooth transition to the new designs, positioning the company for sustained growth and innovation.
Newsweek and Statista’s rankings were based on an independent survey of more than 2,400 decision-makers at Fortune 500s.
Methodology for the Rankings
How likely the respondent is to recommend the selected company to others.
Measures the convenience of interaction with the company and efficiency of processes.
Measures the company’s cost-effectiveness and quality relative to price.
Measures whether the company consistently meets or exceeds expectations in quality and timeliness of deliverables.
Measures the company’s ability to consistently fulfill commitments and maintain customer trust.
OUR THOUGHT LEADERSHIP
Explore insights from the React ecosystem, including routing, state management, testing, and component architecture.
A relatively recent addition to React, hooks have already changed React development for the better through improved code readability and state management. But how do we test them? In this article, Toptal React Developer Avi Aryan outlines why it is crucial to test hooks and introduces us to his React Hooks testing routine.
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