ISO 9001 & 27001 Certified with over 98% 5-Star Rating
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Capital Numbers is a leading custom company providing interactive React.js development services to create modern, interactive, and reliable user interfaces across all business domains. Our Developers require extremely low supervision and each one of our Developer is proficient enough to work remotely and contribute as an active member of your development process.
Hire dedicated React.js experts and engineers from us and save over 50% on development costs. The developers become part of your team and work directly under your control.
Partner with us to ensure that your UI/UX is compliant and secure. Also, compete with confidence as we bring your React.js architecture up to date and speed.
Our React.js architects create state-of-the-art web interfaces that tick all the right boxes regarding a positive user journey and experience.
React Web Development We develop tailor-made React Web Applications for all the niches. We have delivered applications for several industries, including healthcare, e-commerce, manufacturing, retail, travel, finance, and education.
Our developers use Jest and Enzyme to write test cases to ensure the correctness of React codebase. This ensures your React app is stable and error-free.
Whether you have an application running in any other framework or built using a template system, we can help you migrate your app to React. Our teams can also assist with the creation of APIs as needed.
Whether you want to build a Progressive Web App (PWA) or a Single Page Application (SPA), we know how to give you an edge through responsive designs that resonate with your users.
Have a legacy React.js app? We’re here to help. From debugging and maintenance to feature development and DevOps, we'll tailor a development plan to meet your needs.
Do you need help setup CI/CD pipeline for your React.js based applications? Our seasoned DevOps have expertise in working with all major cloud platforms such as AWS, Azure, and GCP.
A great option if you want a React-based static-site generation, server-side rendering, and serverless deployment Learn More
Gatsby is an extremely popular static site generator based on React and offers many famous developer-friendly plugins.Learn More
No framework? No Problem. Our expert React.js developers can handcraft your applications as per your needs.Learn More
Using TypeScript with React can increase development speed, improve code readability, and much more.Learn More
An excellent choice for creating mobile apps that can be deployed on Apple and Google Play stores.Learn More
For writing applications that behave consistently, run in different environments (client, server, and Native), and are easy to test. Learn More
We have a team of 100+ React.js developers. You can interview and shortlist candidates from our in-house tech pool and decide who joins your team.Want to start with this step? Request Resumes >>
Our developers have now become a part of your team. They work dedicatedly for you, and you can communicate with them directly. You can start assigning them tasks and get daily updates along with a timesheet.Have you got questions about working with remote developers? Book a no-obligation call >>
We also let you scale on-demand, grow your team during high-volume periods, and ramp down team size when needed. In short, we make it easy for you at every step like a true partner on whom you can rely.
We Match Your NeedsBy partnering with Capital Numbers, you'll get access to our 700+ in-house developers and will be able to fill any role immediately.
You’re in controlYou get a dedicated React.js development team entirely under your control but without the administrative issues and hassles. You control your team’s work, and all processes are fully transparent, so you know exactly who’s doing what, when, and why.
Work with ExpertsWe’ll help you hire React developers with a deep understanding of Web / Mobile Development, React.js, React Native, JavaScript, TypeScript, UI/UX, Git, and Agile.
Hassle-free productionOur HR specialists, office managers, and system administrators make sure your development team’s working conditions are perfect.
Low AttritionCorporate outings, regular training, engagement activities, career counseling, grievance handling – our HR veterans will sure every developer you hire with us stays motivated to try hard to make you successful.
Zero OverheadsPayroll, taxes, benefits, sick days, and vacations for your team – we’ve got you covered.
50% Cost reductionOur clients have been able to save up to 50% in labor costs.
4.8/5 Rating on ClutchOur clients highlight our ability to build great personal relationships with them, except for the excellent code quality.
75% of the company – senior and middle developersWe invest in attracting the best talent from the market. We hire only strong middle and senior React.js developers and no juniors.
ISO 27001 Information SecurityCapital Numbers adheres to ISO 27001 certified information security standards to ensure that your IP and investment are protected.
People who excel at everything from planning and scheduling to progress tracking and workflow optimization.
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Our experienced business analysts will help you refine the project requirements and improve business processes through rigorous research and detailed documentation.
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Our Designers help you transform your product vision into user-friendly designs and create user journeys optimized for the best user experience and highest conversion rates.
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Our front-end developers create the part of your application that the users see and directly interact with. They make sure the experience is equally smooth and user-friendly to every person who uses the app.
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Reducing the time needed to integrate changes while improving the quality is a tremendous competitive edge in today’s world. We employ the best CI/CD practices to minimize the number of errors during integration and deployment to streamline your project.
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From meticulous manual testing to writing complex automated testing solutions, our bright QA engineers and scrupulous testing teams will ensure your software solution is free from any performance, stability, or functionality issues.
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Capital Numbers is an ISO 9001 and ISO 27001 certified digital solutions company with 650+ experts working full time across 3 Delivery Centres. Established in 2012, Capital Numbers are headquartered in Kolkata, India, with offices in the US and Australia. We are winners of multiple awards from Duns and Bradstreet, Clutch, GoodFirms, Deloitte, Financial Times, Nikkei, Economic Times, and Bengal Chamber of Commerce (The oldest chamber of commerce in India).
We are incredibly proud to have over 100+ Five Star Reviews on platforms like Clutch, Google, and GoodFirms which is the most compared to any of our peers in the industry.
We thoroughly screen our React JS developers to ensure we only match you with the talent of the highest caliber. Of the more than 10000 people who apply to join Capital Numbers each year, fewer than 5% are selected for interviews, and only 1% are hired. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.
We make sure that each engagement between you and your React.js developer starts with a trial period of up to one week. This means that you have time to verify the arrangement will be successful. If you're delighted with the results, you can continue for as long as you'd like. If you're not entirely convinced, you won't be invoiced for the time spent. From there, we can either part ways, or we can assign another developer who may be more suitable and with whom we will commence another, no-risk trial.
We have a total of 40+ React.js developers who are having an average of 5+ years of experience in React.js development.
Yes, our developers will be matched with your needs, and we will share their profiles with you for review. You can conduct an interview with our developers before selecting them.
If, in any circumstance, if you are not satisfied with our developers, then we will replace the developer ASAP.
Yes, We sign a Non-disclosure agreement to secure the confidentiality of the source code and project idea.
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Capital Numbers - A leading offshore IT outsourcing company offers Custom Web, Mobile App & Software development services all over the globe. Also, we allocate dedicated expert teams to help agencies and businesses scale their Development, Design & Digital Marketing capabilities.
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