Top React.js Development Companies
Are you searching for top React.js development companies for building a successful web application for your business? Goodfirms has listed top React.js developers who are experts in developing user interfaces with React. Given the popularity of React.js in the market today, a large number of software companies are claiming to be experts in React.js development services. Though all companies vie for supremacy, not all can be the best. To help prospects search for the best ones in the industry, Goodfirms thoroughly evaluated three vital criteria: Quality, Reliability, and Ability of each participating React.js development company. Explore the list of Goodfirms recommended React companies below:
List of Top React.js Development Companies & Developers
-
Hello ! We are Coderiver http://riverco.de/ - Frontend studio from Kyiv, Ukraine 🇺🇦 Working as a team we share knowledge and experience. Founded by Yuri Artiukh (https://twitter.com/akella) who creates content for frontend and creative developers, we are following all the latest innovations in development. We successfully complete complex tasks, always keeping high quality and sticking ... read Coderiver reviews & insights
$25 - $49/hr10 - 492012Kyiv, UkraineOutstanding Service!
- Gregg Swanson, PCC, NLP, Mental Performance Coach 🔥 Taking High Achievers to Greater Levels of Success | Experience True F at Warrior Mind Coach -
At The Tech Clouds (TTC), we are dedicated to empowering organizations of all sizes—from start-ups to high-end enterprises. Our commitment to our clients is unwavering, and we pride ourselves on delivering unparalleled value for both your money and time. Our extensive range of services includes web design, digital marketing, web app development, mobile app development, headless ecommerce, and software development ... read The Tech Clouds reviews & insights
< $25/hr10 - 492020Kolkata, IndiaSmooth PWA Development with Fast Delivery and a Supportive Team
- Ezekiel Oluwole, Founder at dominux -
Techventrix is one of India’s fastest growing IT companies focusing on providing end to end solutions on Mobile Application Development, Game Development, Web Application Development , Software Development, Web Design and many more. At Techventrix we believe in transforming client requirements to a brilliant real life solution by utilizing next generation technology, which ends up ... read Techventrix reviews & insights
< $25/hr10 - 492019Surat, IndiaTechventrix is reliable, innovative, and deeply invested in delivering high-quality mobile solutions
- Mohammed Smart -
GKN Collective is a strategy-led consulting firm that helps brands, startups, and enterprises build strong business foundations and scale sustainably. We work with leadership teams to solve complex business problems by combining proven consulting frameworks with practical execution and AI-driven enablement. Our approach is rooted in the belief that growth should be intentional—not accidental. We ... read GKN Collective reviews & insights
$100 - $149/hr10 - 492024Bengaluru, IndiaWorking with GKN Collective was a very transparent and professional experience.
- Arvind KumarWhy GKN Collective?
- Clear go-to-market strategy
- AI-integrated operations
- Innovation pipeline development
-
A glimpse about LEBAKA TECHNOLOGIES. Conceptualized with the notion that technology plays a major role in the day to day life of people, our goal and priority is to put ourselves in the customer's shoes, have an eye for detail and design products/services that will ideally cater to larger society. Whether you are building models or consuming ... read Lebaka Technologies reviews & insights
$50 - $99/hr10 - 492019Visakhapatnam, IndiaQuick response and faster deliverables along with that experienced team
- Shyam Zaveri Manchukonda's, Company Owner at at Manchukonda's Shyam Zaveri -
We are more than just a digital creative agency; we are architects of innovation, creators of captivating experiences, and partners in your digital journey. Our passion lies in crafting compelling narratives and bringing them to life through the seamless integration of design, technology, and strategy. At bdCalling IT, every project is a unique canvas waiting ... read BdCalling IT Limited reviews & insights
$25 - $49/hr250 - 9992013Dhaka, BangladeshExceptional Web Design Experience with BdCalling It Limited
- Shamiur Rahman, Project Manager at Backbencher Studio -
Starkflow is a platform for hiring and building remote teams while also offering payments, payroll processing, and all the accounting tasks services for businesses. They help founders to grow businesses while saving their time and money, simultaneously providing long-term career opportunities to talent. Companies don't have to be constrained to one location and hire talent ... read Starkflow reviews & insights
$100 - $149/hr10 - 492017Nassau, New YorkVery impressive work
- Nicholas Bradman, Technical Marketing Specialist at UpBuild, LLC -
Dataverse is a specialized Software House & ICT projects development company, offering outsourcing services locally & abroad, within long-term partnerships with our clients. Dataverse was established in 2007 by a team of highly experienced computer & software engineers, involved for more 20 years in large-scale web-design, ICT development & research projects for the public & private sector. Today it employs, on a full-time basis, over 80 software ... read Dataverse Ltd reviews & insights
$25 - $49/hr50 - 2492007Thessaloniki, GreeceTrustworthy tech partner
- Komveo IT Solutions LTD -
Asparrow Tech has a business office development center in Indore, India. We are a software development company, dedicated to building innovative app solutions for Mobile and Web. We have a team of Business Analysts, Developers, Designers, and QAs well versed with different technologies, tools, and best practices. We began our operations in Feb 2017 with ... read Asparrow Tech reviews & insights
$50 - $99/hr10 - 492017Indore, IndiaAsparrow Tech is reliable tech-partner for all mobile and web development needs.
- Prabhat Choudhary, project manager at fresh mart -
Rubyroid Labs was founded in 2013 by two passionate Ruby developers. We've built Ruby on Rails software for enterprises such as Mastercard, Volvo, and Toyota. We’ve also partnered with 30 startups backed by Y Combinator, Seedcamp, and Capital Innovators accelerators. With a team of 50 full-stack developers we’ve: - built custom web and mobile apps - successfully ... read Rubyroid Labs reviews & insights
$25 - $49/hr10 - 492013Warsaw, PolandFindsYoucars and Rubyroid
- Guy Walker, CEO & Founder at FindsYou Ltd - FindsYou.com -
The Horixon Group is a Digital Marketing and Web Development company located in Sydney, Australia offering comprehensive business digital solutions. Our mission is to help you unlock your business's potential with our digital solutions and enhance technologies in your business. We combine creativity, technology & innovation to grow your brand. Let's transform your vision into reality and grow together.
NA10 - 492018Sydney, AustraliaNice Customer Support
- Prateek Shrestha -
Here are some unique value propositions that our company offering: 1. Tailored Solutions: We provides customized software solutions that are tailored to the specific needs of each client. This ensures that the software aligns with the client's business processes, resulting in increased efficiency and productivity. 2. Scalable Solutions: We provides software solutions that are scalable ... read Optimum Tech reviews & insights
NA10 - 492022Johor Bahru, MalaysiaGood support
- Lincoln -
At Admiral Studios, we go beyond the ordinary to provide comprehensive solutions for your website. Our custom website development services are carefully crafted to align with your unique goals and vision. Our cutting-edge web design ensures an engaging and seamless user experience that leaves a lasting impression. In a world where standing out is vital, ... read Admiral studios reviews & insights
$25 - $49/hr10 - 492020Stockholm, SwedenA Truly Great Experience!
- Alekseii Donskoii -
About JAMstack Vietnam JAMstack Vietnam is a leading digital solutions provider specializing in high-end website design, enterprise software development, and AI-driven business applications. Based in Ho Chi Minh City, we serve large corporations and premium clients who demand performance, security, and brand-defining digital experiences. What We Do Website Branding Solutions: Clean, modern, and high-performance websites ... read JAMstack Vietnam reviews & insights
$25 - $49/hr10 - 492020Ho Chi Minh City, VietnamThis partner provides professional and high-performing support with quick delivery.
- Bui Ngoc, Product Owner @Easy AI | AIaaS for Businesses | Driving AI Innovations at Easy AI Co.,ltd -
IDAP is a Ukrainian full-service software development company. We build native applications for iOS, Android, and WEB from square one. IDAP began guiding companies into mobile in 2012 and has completed 200+ projects even since. We work with startups, established businesses and well-known brands nearly in all spheres including retail sales, finances, healthcare, entertainment, ... read IDAP LLC reviews & insights
$25 - $49/hr50 - 2492012Kharkiv, UkraineProfessional and capable team
- Cou Kalantary, Founder at DarwinBeats, Inc. -
Cynoteck is a Microsoft Gold Partner, Adobe Bronze Partner and Salesforce Appexchange Partner Company. A team of 80+ employees working from Minneapolis and India offices providing CRM (MS Dynamics 365+ Salesforce CRM), MS Dynamics ERP System Development, Web and Mobile application development services. Our employees have achieved certifications in their respective technologies of specialization like ... read Cynoteck Technology solutions Pvt.Ltd. reviews & insights
< $25/hr50 - 2492008Saint Paul, MinnesotaHighly skilled team who I have worked with on multiple projects
- Alexander Chase Castillo, Plastic Surgery Resident at UTMB -
DeviceBee is a leading mobile apps development company in Dubai that is focused on empowering business with cutting-edge technology solution. Since 2011.We have a team of experienced developers who can help you build high-quality, user-friendly apps that will meet your business needs.
$50 - $99/hr10 - 492012Dubai, UAEE Commerce App Marketplace
- Lia Augustan, Marketing Manager at Souq.com -
Established in 2014, we build AI-driven, scalable web applications tailored to enterprise needs. With deep expertise in custom software development, we help businesses accelerate digital transformation and turn ambitious ideas into reliable, future-ready solutions. AREA OF EXPERTISE: - AI Development & Integrations We design and integrate AI-powered solutions that enhance business applications with capabilities such ... read JustAddWater reviews & insights
$25 - $49/hr10 - 492014Jaipur, IndiaSatisfied with their work and their communication.”
- Shyam Bhati -
Sysway Technologies is an information technology consulting and outsourcing company leverages its industry - wide experience and technology expertise with a vertically aligned business model provides the best service to its clients.
< $25/hr10 - 492014Bhadrak, IndiaQuality delivery with precision and excellence
- Chakradhar Tarivitla, Founder & Managing Partner at Tech and Gopher -
Animink began in 1998 as an Animation and Digital Ink & Paint Studio, thus the convergence of these services to form the name ‘Animink’. The internet was beginning to emerge at this time, giving us an amazing platform to create very dynamic websites using our creative abilities in traditional & digital media.Fast forward almost 20 ... read Animink Inc reviews & insights
$25 - $49/hr2 - 91998Charlotte, North CarolinaGreat working with Markus and his team
- Jeremy Lee -
MobMaxime is an established Web and Mobile Application Development Company delivering Xamarin Mobile Application Development & Enterprise Mobility Services of any complexity to clients worldwide. We’ve been in the IT business for over 9+ years now and have a strong team of 50+ skilled IT experts. Our customers are companies of all sizes from start-ups ... read MobMaxime reviews & insights
< $25/hr50 - 2492010New Jersey, New JerseyWhen demands are high for new capabilities, their team is willing to take on another challenge even with constraints.
- Chaks Appalabattula, Founder & CEO at of Bloomz Inc -
Greelow provides software services and professional guidance for Startups and Businesses specializing in mobile app development and tech solutions for businesses of all sizes. Our services include Outsourcing, Staff Augmentation and Dedicated Teams. Headquartered in Buenos Aires with offices around the world, Greelows senior specialists in mobile app development and tech solutions are in extremely ... read Greelow reviews & insights
$25 - $49/hr10 - 492017Miami, FloridaAmazing team
- Felipe Herrera Zoppi -
Innovantes IT Solutions LLP is a globally recognized trusted technology partner providing digital transformation solutions to over 40+ global organizations including Fortune 500 clients. Combining our digital expertise with a client-centered approach, Innovantes solves its clients’ toughest business challenges. Our technology solutions have enabled our clients to generate industry-leading top-line and bottom-line growth in their respective sectors. ... read Innovantes IT Solutions LLP reviews & insights
$25 - $49/hr10 - 492016Chandigarh, IndiaWonderful job on the Employee Learning & Engagement Application. Highly recommend
- Prachir Gangwar, Training Development Manager at Nissan Motor Corporation -
We are a Technology & Innovation agency that designs and builds amazing digital products and services that people love to use. We are here to build digital businesses that blow your mind and that make an impact to the world. We have the most amazing team with the most extraordinary tech and human capacities and ... read Humantech Innovation Agency reviews & insights
NA10 - 492018San Isidro, PeruGreat seamless experience, good value for the investment we did
- Natalie Gil, Chief Executive Officer, Co-Founder at Darshana -
Nascenture is one of the renowned Software development companies with a core focus on designing and developing web and mobile solutions for our clients worldwide. Being active for more than 10 years, we have successfully delivered hundreds of projects to our clients by using the latest cutting-edge technologies. Our core specialties are web design and development, ... read Nascenture reviews & insights
$25 - $49/hr10 - 492013Mohali, IndiaWorking with Nascenture was a great experience! Loved the website design
- Owner at Law office of Mayank Dhingra -
JS Panther is a software development company in Raleigh, NC. You can hire software developers from the agency or seek end-to-end development services. The company also specializes in software support and maintenance services, addressing issues like troubleshooting, version updates, third-party integrations, and more. We have a team of professional developers in a range of programming ... read JS Panther reviews & insights
$25 - $49/hr50 - 2492018Raleigh, North CarolinaOur experience with JS Panther for developing our fully-interactive eCommerce app was exceptiona
- Yukta Bhist, Digital Project Manager at Freelancer.com -
Primocys is an exceptional Mobile App Development Company that provides an excellent framework for development. With cutting-edge technology and advanced features, we offer the best platform for mobile app development, humanizing the design of products and assisting companies in leveraging technology to enhance their workflows. As a leading Mobile App Development Company in the USA, ... read Primocys reviews & insights
$25 - $49/hr10 - 492019Ahmedabad, IndiaThe project aimed to develop an e-commerce website.
- kapil khatri, PHP Laravel Developer at Primocys -
Netclubbed is your trusted software development partner, dedicated to delivering innovative solutions that drive growth. Our team of skilled developers excels in custom software development, Shopify, React Native, WordPress, e-commerce, and software testing. we're committed to transparency, open communication, and delivering results that exceed your expectations. Let's partner on your next project and achieve digital ... read Netclubbed reviews & insights
$25 - $49/hr10 - 492023Noida, IndiaNetClubbed's expertise in web design and development elevated our restaurant's online presence significantly.
- Amit Yadav, Founder at Rubaab Restaurant -
Turf Dev is a preeminent technology solutions company, devoted to empowering businesses to thrive in the digital landscape. We specialize in providing comprehensive and dependable technology services that optimize operations, fortify security, and capitalize on growth opportunities. At Turf Dev, we envision a world where organizations leverage technology to drive innovation, efficiency, and sustainable growth. ... read Turf Dev Private Limited reviews & insights
$25 - $49/hr2 - 9Jaipur, IndiaI am very satisfied with turf dev
- Bhavesh Kalathiya, Business development manager at Sphereplugins -
At Digital Scientists, we are driven to transform the way people think about product design and development. Born in the heart of the Atlanta metro area, we help companies of all sizes – from small startups to unicorns – build and launch new products and features by leveraging a fast, disciplined product design & development ... read Digital Scientists reviews & insights
$150 - $199/hr10 - 492007Alpharetta, GeorgiaDigital Scientists represents a top-level company, from their communication to development!
- BJ Pilling, Assistant Vice President at Huddle Inc. -
Blockchain, dApps and mobile technology are moving fast. From intelligent hardware devices (IoT) to app-enhanced car dashboards, every industry can now participate in the smart, customer-driven app revolution. We help our clients and partners keep pace and thrive. As an engineering team, we specialize in building hardware-integrated mobile apps and the backend systems to power them. As ... read Concise Software reviews & insights
$50 - $99/hr50 - 2492011Berlin, GermanyDedicated Team
- Daniel Navarro Melendo, Vice President of Information Technology at ExaMotive -
Empite is an information technology company that specialises in building integrated tech solutions across mobile, web and cloud technologies that are innovative, fast, efficient and scalable. We operate globally with our head office based in Melbourne, Australia. Our passionate and talented team of professionals work with you to transform your ideas into reality. We partner ... read Empite Pty Ltd reviews & insights
$50 - $99/hr10 - 492011Colombo, Sri LankaGreat Service Providers
- Care Collaborator -
We are an organization of pure software professionals. No hierarchy, no politics. We have previously worked in demanding sectors like Investment Banks, Hedge funds and Retail and 100% of our clients are happy with our work. This company is born out of our passion to deliver great work.
$50 - $99/hr2 - 92011London, United KingdomTop notch experience
- Anabelle Lewis -
Helping industry tech leaders spark innovation and creativity by developing and securing the applications that empower their businesses. Cyrex is a native cybersecurity scaleup that specializes in penetration (security) testing, load (scalability) testing, and software development services with a very strong focus on the online gaming, blockchain, and SaaS industry. We have always been, first and foremost, ... read Cyrex Ltd. reviews & insights
NA50 - 2492015Dublin, IrelandGreat proffesional company and results were perfects. Good experience with them
- Antonio Pera, CEO at Webpsilon -
Xsure LTD is a top software development company with offices in the UK, Romania and the USA. We offer full-stack digital solutions for teams or businesses through outsourcing services in Romania. With a +12 years of experience, we provide cost-effective software development services at high standards for enterprise.
$25 - $49/hr50 - 2492006Galati, RomaniaXsure delivered a top-notch e-commerce platform that exceeded our expectations in every aspect.
- Manager at Baterie Externa -
In this ever-changing environment, keeping a competitive edge means being able to anticipate and respond quickly to changing business conditions. Our team is committed to providing IT Services with: • App development, Software development and Games development depending on trending market patterns. • Support Businesses on Technology, Innovation, Market Analysis. We ... read TrillionBits Ltd. reviews & insights
$25 - $49/hr10 - 492017Dhaka, BangladeshI'm really satisfied after their delivery.
- Tanvir Hasan, Product Manager at Kagoj Barta -
DunRite Technologies is a dedicated Florida based Web, Software, Chatbot & Mobile App Development Company. Our Web Developers in Florida can build highly dynamic, responsive & user-friendly web applications. And this helps to increase the downloads of App on mobile & the visibility of your online business.
$25 - $49/hr10 - 492016Sarasota, FloridaWorking with Dunrite Technologies has been effortless.
- Jayaraman Kesavan, Senior Web Developer at Zcodia Technologies -
We solve complex business problems with easy-to-use custom enterprise software to simplify your workflows and integrate your systems. That means we build web applications for managing your operations more efficiently, mobile apps for data entry in the field, and server and desktop apps for integrating data and providing powerful business utilities. Our expert team of ... read Pell Software reviews & insights
$100 - $149/hr10 - 492019Denver, ColoradoA great development team.
- Norah Khan , Project Manager at NDA -
Avishkar IT Services is one of the leading and trusted IT service providers from India. Our core competencies are Bespoke Software Development, Technology Consulting, Digital Transformation, Cloud Adoption, and more. We have got remarkable efficiency from time, cost, and quality perspectives.
< $25/hr10 - 492018Vadodara, IndiaIt has been a very rewarding experience and a pleasure working with the team assigned to us
- Goh Wei Hao , MBA, PMP, Head of Product at Rapid Ventures -
At HyperBeans, we provide innovative, highly functional, visually appealing and user-friendly web, mobile applications, ERP’s as well as digital marketing solutions that drive organizational growth. We are Experts in big data engineering, product transformation, and eCommerce and software. We ensure that our customers get measurable results, beautiful and unforgettable user experience, provide Personalize IT solutions ... read HyperBeans reviews & insights
< $25/hr10 - 492011Bellevue, WashingtonPortfolio Designing
- Subhansu Singhvi -
Noisiv Consulting has mastered the art of helping new businesses identify the noise (problems) and provide them the vision to accelerate in the right direction. Over 50+ small to medium businesses have consulted Noisiv to understand their service requirement and identify their vision through our solutions.
< $25/hr10 - 492021Delhi, IndiaSuper satisfied with project delivery, timeline and quality.
- Masroor Lodi, Founder at unlock.fit -
WFX (World Fashion Exchange) is the leading provider of software solutions for the fashion, apparel, home furnishing, and related industries. Since 2000, WFX has empowered fashion brands, manufacturers and sourcing companies across the world to digitally transform their business with modern, comprehensive and easy-to-use cloud-based enterprise software solutions. WFX’s key product offerings include: Fashion PLM ... read World fashion exchange reviews & insights
NA250 - 9992000Gurgaon, India -
Nopio is a software house offering high quality web services to a wide variety of businesses. Our combined experience in many domains e.g. publishing, travel, healthcare and a myriad of technologies we work with, allows us to provide you with a service that let's you worry about what you need to - and not how ... read Nopio reviews & insights
$50 - $99/hr10 - 492010Krakow, PolandPatten Studio website
- James Patten, TED Fellow at TED -
Solvios Technology is a US-based full-stack development agency that helps businesses solve complex problems with powerful, scalable, and intelligent digital solutions. From modernizing legacy systems to building AI-powered platforms from scratch, we transform the way organizations operate, compete, and grow. Our solutions go beyond just writing code — we bring together full-stack expertise, cloud-native architecture, ... read Solvios Technology reviews & insights
$25 - $49/hr10 - 492012Boca Raton, FloridaAn outstanding DevOps firm ensuring rapid and reliable delivery.
- Michael Felvia, CEO and founder at Solve and Optimize -
Founded in 2020 by young entrepreneur Riddhi Parekh in Surat, India, TechStaunch has grown into a dynamic software development company with a strong focus on AI, automation, and intelligent digital solutions. With a talented team of 40+ professionals, we combine modern engineering with automation-driven strategies to help businesses operate smarter, faster, and more efficiently. Serving ... read TechStaunch reviews & insights
$25 - $49/hr10 - 492020Surat, IndiaEnjoyable experience resulting in realising our ambitions for the project.
- Iain Thomson, Director Global Talent at anymoment.com -
Flux Technologies Inc. is an all-inclusive software design & development boutique providing full life-cycle consulting services. By leveraging years of experience Flux is able to identify requirements and provide custom-made solutions through transparent collaboration and strategic partnership. Flux delivers a wide range of specific business automation solutions in the fields of education and online video ... read Flux Technologies reviews & insights
$50 - $99/hr50 - 2492015Yerevan, ArmeniaGreat job in converting an idea into a deliverable product
- Farzad Alemi, M.D., Co-Founder & CEO at Stealth Startup -
NSS is a design and development company that specializes in building solutions for web and mobile that drive innovation and transform industries and lives. They hold expertise in state-of-the-art technologies like React, React Native, Flutter, Angular, Vue, NodeJS, Python, .Net, and more. We take pleasure in counting startups, entrepreneurs, SMEs and even Fortune 500 enterprises ... read NSS Private Limited reviews & insights
$50 - $99/hr50 - 2492008Delhi, IndiaHighly engaged, passionate and collaborative team across the board -- very good experience.
- Abdul Hussein -
Bluetelecast offers affordable and top-notch custom software development. Our skilled team works with big companies, medium-sized businesses, and startups. Using flexible methods, we handle software projects of any size and difficulty quickly and cost-effectively. Our 110+ experienced experts work together from our two global locations, assisting clients throughout the whole process of creating software.Choosing us ... read Bluetelecast reviews & insights
NA2 - 9New Haven, ConnecticutMy experience with Bluetelecast has been outstanding, with their expert team delivering a seamle
- Nasima Shams, Director of Engineering for Delivery Platform at durollabs
Confused about which partner to choose?
Let our experts study your requirements and send a curated list of trusted companies.
Get a shortlistWhy Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 110,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 110,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.
Outsourcing Software Development: A Practical Decision Framework for Startups
Get a decision framework for outsourcing software development for your startup, where outsourcing delivers maximum value. Also, a practical approach to decide.
How Much Does Software Development Services in UAE Cost?
Planning to build software in the UAE? Explore real development costs, timelines, salary benchmarks, and proven ways to stay within budget.
Why the U.S. Software Services Market Is Booming — and Where to Find the Top Firms
This article covers everything you need to know about why the U.S, software services market is booming and where to find the top software development firms in the U.S,