Top React Developers
-
Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
Focus Areas
See all 86 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
$25,000+$50 - $99 / hr50 - 249Białystok, PolandServices provided
Focus Areas
See all 31 projectsPagepro is a web development company specializing in custom website development, full-stack web development, and front-end development. The company is highly regarded for its expertise in technologies such as React and Next.js, with 100% of reviewers praising their technical skills and proactive communication. Clients consistently highlight their professionalism, ability to meet deadlines, and value for cost, though some suggest improvements in timeline accuracy.
-
UndisclosedUndisclosed2 - 9New York, NY
Services provided
Focus Areas
Massive Dynamics USA is a social media marketing agency. The firm is headquartered in New York, New York. Their team specializes in Social Media Marketing and Email Marketing.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
Focus Areas
EZ Dev is a CRM consulting and SI company. Located in Givat Brenner, Center, Israel, the team specializes in CRM consulting and SI and Custom Software Development.
Read more -
$5,000+$25 - $49 / hr10 - 49Mumbai, India
Services provided
Focus Areas
See all 9 projectswebsmith solutions is a web development company specializing in custom website development, web design, and complex web application development. Overall, 100% of the feedback is positive, highlighting their ability to deliver user-friendly platforms and solve complex problems. Clients commend their project management skills, flexibility, and willingness to find innovative solutions. However, some mentioned the need for improved speed and code reuse.
-
UndisclosedUndisclosed10 - 49Mumbai, India
Services provided
Focus Areas
See all 1 projectsDigiXHUb - Out of Business specialized in Website Development and Web Programming, offering services to enhance website performance, responsiveness, and security. Reviews highlighted their efficient project management, transparent processes, and timely delivery, with clients expressing satisfaction over improved website outcomes and clear communication.
-
UndisclosedUndisclosed2 - 9
Services provided
Focus Areas
Digital Strategy company FounderTraction is in. Their services include Digital Strategy and Search Engine Optimization.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
Focus Areas
Natslime is a social media marketing company. Established in 2023, the agency is in Lahore, Pakistan. Their team focuses on Social Media Marketing and Search Engine Optimization.
Read more -
$10,000+$25 - $49 / hr50 - 249New Delhi, India
Services provided
Focus Areas
See all 9 projectsRed Apple Technologies is a versatile development company specializing in web and mobile app development, custom UI/UX design, and web application development. Reviewers consistently highlight their timely delivery and strong project management, with 100% positive feedback on communication and responsiveness. Additionally, 67% of reviewers commend their proactive problem-solving approach and alignment with client values.
-
$5,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
Focus Areas
See all 28 projectsWilson Wings is a proficient web development company offering comprehensive services including Web Design, Custom Website Development, and Full-Stack Web Development. Across their reviews, they are consistently praised for their professionalism, timely delivery, and ability to meet project requirements, with 100% positive feedback highlighting their excellent communication and problem-solving skills. Clients particularly appreciate their competent project management and value for cost.
-
$25,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 4 projectsSourceter is a web development company specializing in back-end and cloud services architecture. The feedback highlights their excellent project management, with 100% of reviewers noting on-time delivery and effective communication. Impressively, both clients appreciated Sourceter's flexibility, creativity, and professionalism, with no areas for improvement mentioned.
-
UndisclosedUndisclosed10 - 49Paris, France
Services provided
Focus Areas
Launched in 2013, Spark-it is a small UX agency based in Paris, France. Their team focuses on UX/UI Design and IT strategy consulting.
Read more -
UndisclosedUndisclosedFreelancer
Services provided
Focus Areas
Launched in 2017, Robocoder is a custom software development company. The team offers Custom Software Development and Web Development.
Read more -
UndisclosedUndisclosedFreelancerArden, NC
Services provided
Focus Areas
Super Distros LLC is a website development company. Their team is headquartered in Arden, North Carolina and provides Web Development and Branding.
Read more -
UndisclosedUndisclosedFreelancerMcCordsville, IN
Services provided
Focus Areas
Kick Studios, LLC, a cloud consulting & SI company, provide cloud consulting & SI and Custom Software Development. They were founded in 2010.
Read more -
UndisclosedUndisclosed2 - 9Torino, Italy
Services provided
Focus Areas
Modalsource is a small software development firm. Launched in 2008, the team focuses on Custom Software Development and Web Development.
Read more -
$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
Services provided
Focus Areas
See all 12 projectsWeb 3.0 India is a proficient web development company specializing in custom website development and full-stack web development, known for its flexible approach and exceptional communication skills. With a 100% positive feedback rate, clients commend their project management efficiency and value for money, while minor language barriers are effectively managed by their project managers.
-
UndisclosedUndisclosed10 - 49Bogotá, Colombia
Services provided
Focus Areas
Bluesoft Technology SAS is a cloud consulting & SI company. Established in 2014, the agency provides cloud consulting & SI and E-Commerce Development.
Read more -
UndisclosedUndisclosed10 - 49Milano, Italy
Services provided
Focus Areas
Established in 2021, CØDESTORM is a software development firm. The company offers Custom Software Development and Web Development, and is small.
Read more -
$1,000+< $25 / hr50 - 249Kolkata, India
Services provided
Focus Areas
See all 33 projectsDesun Technology Pvt Ltd is a web development company that excels in delivering customized, high-quality solutions, including full-stack web and mobile app development. Reviews highlight their efficient project management and strong communication, with 100% of reviewers noting timely delivery and responsiveness. However, some suggest improvements in initial communication and expanding expertise in emerging technologies.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 5 projectsMediacamp Digital Marketing Agency is a comprehensive digital marketing agency offering services such as SEO, social media management, and influencer marketing. With a notable 100% client satisfaction, they are praised for their engaging video content and effective social media campaigns. However, clients note occasional scheduling issues and the need for clearer communication on design expectations.
-
UndisclosedUndisclosed2 - 9Torino, Italy
Services provided
Focus Areas
True Flava, a web design company, was launched in 2011. The team focuses on Web Design and Search Engine Optimization and is located in Torino, Italy.
Read more -
UndisclosedUndisclosed2 - 9Grand Rapids, MI
Services provided
Focus Areas
Innereactive is a small graphic design company founded in 2003. Their services include Graphic Design and Advertising.
Read more -
UndisclosedUndisclosed2 - 9Bloomington, MN
Services provided
Focus Areas
In Bloomington, Minnesota, BOOM! Digital Marketing is an Advertising company. The team provides Advertising and Search Engine Optimization.
Read more -
UndisclosedUndisclosed2 - 9South Brisbane, Australia
Services provided
Focus Areas
Advertising company Thinkroom is in South Brisbane, Australia. Their services include Advertising and Digital Strategy.
Read more -
UndisclosedUndisclosed2 - 9Toronto, Canada
Services provided
Focus Areas
Launched in 2009, Postmedia Solutions is a small Advertising company. Their services include Advertising and Content Marketing.
Read more -
UndisclosedUndisclosed2 - 9Toronto, Canada
Services provided
Focus Areas
Seen Advertising is a small branding company based in Toronto, Canada and Ottawa, Canada. The team focuses on Branding and Market Research.
Read more -
UndisclosedUndisclosed2 - 9Bologna, Italy
Services provided
Focus Areas
Based in Bologna, Italy, Donads is a Digital Strategy company. Their services include Digital Strategy and Social Media Marketing.
Read more -
UndisclosedUndisclosed2 - 9New York, NY
Services provided
Focus Areas
BD Grow is a social media marketing firm. Launched in 2022, the team specializes in Social Media Marketing and Email Marketing. The firm is in New York, New York.
Read more -
UndisclosedUndisclosed2 - 9Lawrenceville, GA
Services provided
Focus Areas
Kahnputers, LLC is a small big data analytics company. Founded in 2007, the team specializes in BI & big data consulting & SI and Custom Software Development.
Read more -
UndisclosedUndisclosed2 - 9Waukesha, WI
Services provided
Focus Areas
Headquartered in Waukesha, Wisconsin, DPA Software is a small software development firm. The team provides Custom Software Development and Digital Strategy.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
Focus Areas
Founded in 2023, Ericson Development is a small API Development company based in Erie, Colorado. Their team offers API Development and cloud consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9New York, NY
Services provided
Focus Areas
6PS Group, LLC is a New York, New York-based website development firm. Their services include Web Development and Mobile App Development.
Read more -
UndisclosedUndisclosed2 - 9Macomb, MI
Services provided
Focus Areas
UX company Mutare Group, LLC was launched in 2023. The small team specializes in UX/UI Design and IT strategy consulting.
Read more -
UndisclosedUndisclosed2 - 9McKinney, TX
Services provided
Focus Areas
Nice Global Solutions Inc is a web design agency. They are located in McKinney, Texas and have small team. They offer Web Design and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9Eagan, MN
Services provided
Focus Areas
99 Technologies is a social media marketing company. The firm is headquartered in Eagan, Minnesota and Rawalpindi, Pakistan. Their team provides Social Media Marketing and Generative AI.
Read more -
UndisclosedUndisclosed2 - 9Badalona, Spain
Services provided
Focus Areas
UX design company Sawa Tech was founded in 2016. The team focuses on UX/UI Design and Web Development.
Read more -
UndisclosedUndisclosed2 - 9Morgantown, WV
Services provided
Focus Areas
Korevariance is a small mobile application development firm launched in 2014. Their team focuses on Mobile App Development and Branding.
Read more -
UndisclosedUndisclosed2 - 9Yerevan, Armenia
Services provided
Focus Areas
Launched in 2012, Dunice LLC is a small web design company. Their services include Web Design and UX/UI Design.
Read more -
$5,000+< $25 / hr10 - 49Vadodara, India
Services provided
Focus Areas
See all 15 projectsKode Creators Pvt. Ltd. is a web development company specializing in full-stack web and mobile application development, with expertise in Flutter and Laravel. Reviews highlight their strong project management, responsiveness, and effective use of communication tools like Trello. Approximately 100% of clients commend their swift response to feedback, although some suggest improvements in testing processes.
-
$1,000+$100 - $149 / hr10 - 49Toronto, Canada
Services provided
Focus Areas
See all 13 projectsEdifian is a web development company specializing in modern, SEO-optimized, and user-friendly website solutions. With a focus on Web Design, Custom Website Development, and Full-Stack Web Development, they have consistently improved clients' online presence and sales, achieving results like a 500% increase in online revenue. Approximately 100% of reviewers highlight their efficient project management and clear communication.
-
$5,000+$50 - $99 / hr10 - 49Yerevan, Armenia
Services provided
Focus Areas
See all 5 projectsSCD Company is a web development firm specializing in backend and web application development, utilizing technologies such as Java, Python, and React Native. With 100% positive feedback, clients laud their technical expertise, timely project delivery, and effective team composition. Reviewers frequently highlight their strong developer training program and ability to maintain high-quality standards without unnecessary staff expansion.
-
$5,000+$25 - $49 / hr10 - 49Rupnagar, India
Services provided
Focus Areas
River City Corporation is an UX company established in 2009. Headquartered in Rupnagar, India, the team provides UX/UI Design and Web Development.
Read more -
UndisclosedUndisclosed10 - 49Alexandria, VA
Services provided
Focus Areas
SimonComputing, Inc. Is a software development company. Located in Alexandria, Virginia, the team offers Custom Software Development and Cybersecurity.
Read more -
$1,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
Natures Agency is a social media marketing firm located in Sydney, Australia. Founded in 2021, the team offers Social Media Marketing and Search Engine Optimization.
Read more -
UndisclosedUndisclosed10 - 49
Services provided
Focus Areas
RVA Fintech Solutions is a software development company in Kyiv, Ukraine. They focus on Custom Software Development and Blockchain.
Read more -
UndisclosedUndisclosed10 - 49Ternopil, Ukraine
Services provided
Focus Areas
Future Processing Ukraine is an user experience agency established in 2017. The team offers UX/UI Design and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49Toronto, Canada
Services provided
Focus Areas
TapLane Inc. Is a cloud consulting & SI company. Headquartered in Toronto, Canada, the agency was established in 2010. Their services include cloud consulting & SI and Web Development.
Read more -
$5,000+< $25 / hr50 - 249Jaipur, India
Services provided
Focus Areas
See all 11 projectsWDP Technologies Pvt. Ltd. is a highly regarded web development company specializing in Website Development, Web Application Development, and Full-Stack Web Development. The company consistently receives positive feedback for its strong leadership, technical expertise, and dedication to client needs, with approximately 90% of reviews highlighting their responsiveness and ability to meet project requirements effectively. Clients commend their professionalism and cost-effective solutions.
-
$10,000+$25 - $49 / hr50 - 249Ho Chi Minh City, Vietnam
Services provided
Focus Areas
See all 14 projectsRelia Software is a web development company specializing in custom website development and web application development. With high client satisfaction, they are praised for delivering projects on time and maintaining effective communication. A notable 100% of reviews mention their reliability and commitment to delivering promised results, with clients experiencing significant improvements in project outcomes.
-
UndisclosedUndisclosedFreelancer
Services provided
Focus Areas
Founded in 2023, NO Blockchain Development is a software development firm. Their services include Custom Software Development and Web Development.
Read more -
UndisclosedUndisclosedFreelancerPtuj, Slovenia
Services provided
Focus Areas
REWORQ Digital, a social media marketing agency, is based in Ptuj, Slovenia. They offer Social Media Marketing and Search Engine Optimization and were established in 2020.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
Compare Top 15 React.js Developers
-
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development50% React50% Other -
$50,000+$150 - $199 / hr10 - 49Los Angeles, CA
Ability to deliver
38.5/40.019/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development100% React50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development40% React30% Other -
$50,000+$150 - $199 / hr50 - 249Vancouver, Canada
Ability to deliver
37.4/40.018.4/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
45% Web Development100% React55% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development54% React65% Other -
$10,000+$50 - $99 / hr10 - 49Katowice, Poland
Ability to deliver
36.6/40.017.2/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
80% Web Development100% React20% Other -
$50,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Web Development20% React80% Other -
$25,000+$150 - $199 / hr10 - 49Providence, RI
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Web Development100% React70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% React60% Other -
$5,000+$25 - $49 / hr10 - 49Poltava, Ukraine
Ability to deliver
35.6/40.017/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
65% Web Development80% React35% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development30% React70% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development25% React50% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development30% React85% Other -
$100,000+$150 - $199 / hr50 - 249Somerville, MA
Ability to deliver
35.4/40.016.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% Web Development100% React60% Other -
$10,000+$50 - $99 / hr50 - 249Dover, DE
Ability to deliver
37.8/40.019.6/20 Reviews9.6/10 Clients & Experience8.7/10 Market PresenceService focus
15% Web Development76% React85% Other -
$25,000+$25 - $49 / hr50 - 249Rickmansworth, England
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development30% React40% Other -
$1,000+< $25 / hr1,000 - 9,999Ahmedabad, India
Ability to deliver
38.5/40.020/20 Reviews8.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development19% React80% Other -
$25,000+$25 - $49 / hr250 - 999Vitória, Brazil
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Web Development35% React90% Other -
$10,000+$25 - $49 / hr50 - 249Cherkasy, Ukraine
Ability to deliver
38.8/40.019.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
35% Web Development37% React65% Other -
$50,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development20% React60% Other -
$10,000+$50 - $99 / hr250 - 999Sofia, Bulgaria
Ability to deliver
39.1/40.019.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% React80% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development33% React60% Other -
$50,000+$150 - $199 / hr250 - 999New York, NY
Ability to deliver
39.4/40.019.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Web Development23% React80% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development14% React50% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Antipolo, Philippines
Ability to deliver
36.9/40.017.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Web Development50% React90% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development20% React90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Boca Raton, FL
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development20% React90% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% React70% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.6/40.018.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development25% React55% Other -
$5,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Web Development10% React50% Other
React.js Development Company FAQs
React.js development companies specialize in building user interfaces and single-page applications with Facebook’s React library. Their engineers create reusable components, optimize rendering performance, and integrate front-end code with back-end APIs. Many of these firms also provide discovery workshops, UI/UX design, QA testing, and post-launch maintenance to deliver a polished, end-to-end product.
React.js development companies are focused on delivering cutting-edge applications and solutions. If you are planning to hire one of these experts, here’s a list of services you can expect:
- Custom web app or SaaS development
- Migration from legacy frameworks (e.g., Angular JS) to React
- React Native or Expo mobile apps
- API design and integration (REST, GraphQL)
- Performance audits and code refactoring
- Staff augmentation for in-house teams
- DevOps, CI/CD, and cloud hosting setup
One more thing to remember, some of these agencies broaden their scope into full “web app development agency” solutions by pairing React with Node.js, Python, or .NET back ends.
According to data gathered by our team at Clutch, the average hourly rate of React.js development companies range between $49 – $99 but prices can fluctuate based on key variables like region and industry. For instance, a simpler MVP may cost clients around $20,000 – $40,000, while enterprise-grade platforms can go as high as $250,000. Other technical factors impacting cost include:
- Feature complexity and third-party integrations
- Design requirements and number of unique screens
- Team composition (full-time vs. part-time specialists)
- Ongoing support or SLAs after launch
Lastly, request detailed estimates and compare line-item breakdowns before signing.
Focus on three pillars when selecting the right React.js development partner for your project — expertise, process, and culture fit.
- Expertise – Review case studies that mirror your tech stack or industry. Confirm the team has launched apps at a similar scale.
- Process – Ask about Agile ceremonies, sprint cadences, and QA protocols. Providers with mature workflows often hit deadlines more reliably.
- Culture fit – Compare client reviews on Clutch to see how they work with clients, identify key strengths and weaknesses in their approach. Strong communication, time-zone overlap, and shared values reduce friction. Schedule a discovery call to gauge collaboration style.
- Guaranteed timelines without discovery: Complex builds need scoping.
- No access to code repositories: You should own your IP.
- Outdated portfolio: Few recent React projects may signal limited expertise.
- Lack of testing culture: Minimal unit or integration tests lead to costly bugs.
- Poor transparency: Vague estimates or evasive answers during Q&A.
- Which React projects have you shipped in the past 12 months?
- What is your approach to state management (e.g., Redux, Zustand, Context API)?
- How do you measure and improve app performance (Lighthouse scores, bundle analysis)?
- Will I have access to the project repo and task board?
- How do you handle post-launch support and bug fixes?
- Can you provide client references who built similar products?
Freelancers offer affordability and flexibility for small features or quick prototypes. Meanwhile, a specialized agency brings cross-functional teams—project managers, designers, QA analysts—under one roof, allowing them to deliver full-cycle “react js development services” with higher accountability and faster scaling.
Agencies typically track metrics such as page-load speed, conversion rate improvements, user engagement, and maintenance cost reductions post-migration. They may set KPIs during discovery, then use analytics dashboards or A/B testing to demonstrate business impact.