Hire Expert Backend Developers - For Web Or Mobile Apps

Hire Backend Developers on a full-time, hourly, or fixed cost project basis and manage them as your extended team. With Capital Numbers, you can:

With Capital Numbers, you can:

  • Design, Build, Test, and Scale Custom Backend Solutions.
  • Work with Developers having Expertise in Your Choice of Technology.
  • Increase your profitability by over 50%.
  • Hire dedicated developers and manage them directly.
  • Ensure Data and IP protection. We’re ISO 27001 Certified.
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Are you interested to learn more about our backend development services?

What Happens Next


Our solution experts will answer your questions in a secure online meeting. You will get good information and honest advice in plain English. You are then free to choose how to move forward.

Our clients include 150 Global Brands, Silicon Valley Founders

Backend Development Services

Back-end developers are responsible for the server-side logic that powers web applications and mobile apps. It includes all the work needed to build out the database, server, and application. From database migrations to API integrations to set up the server-side technologies that make an application work, a back-end web developer is a quintessential role that you want to get your project off the ground.

Custom Development

Are you looking to build a custom backend? We’ve got you covered. First, we study your requirements and then make a tailor-made backend as per your business needs.

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Backend for Mobile and Web Apps

At Capital Numbers, we develop backends for websites, mobile apps, SPAs, PWAs, cross-platform apps, etc., to satisfy your users across all domains and industries.

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API Development

Do you have a legacy web application that you want to integrate with your other applications or third parties? Then hit us up. We'll develop and deliver a secure and scalable API layer for it.

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Cloud Integration

We can integrate your app with scalable Platform as a Service (PaaS) platforms like Amazon Web Services, which will significantly decrease your spendings on backend development and maintenance.

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Our certified Backend experts ensure maximum customization by fully utilizing the current processes of the applications. We use cutting-edge re-engineering processes to simulate views, screens, and procedures.

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Support and Maintenance

Be it emergency bug fixes, performance tuning, improvements, or upgrades. We provide it all so that your web and mobile apps are error-free, secure, and perform as per requirements.

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Dedicated Backend Developers

Hire dedicated backend developers to work as an extension to your team. Hire expert developers on PHP, Python, .NET, Node.js, Java, RoR, GoLang, and more.

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Backend Modernization

Modernizing your present backend systems is our specialization. Our backend developers work on your legacy architecture in a way that significantly improves the backend without disrupting the frontend.

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Custom Database Development

We work with various databases, including MySQL, PostgreSQL, MongoDB, and Redis, to maintain your backend. We also have expertise in BaaS products such as FireBase etc.

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Or, Use this form to share your requirements. Get guaranteed response within 8 Hrs.

Our Backend Technology Expertise

  • Powering over 80% of all websites, PHP is the most popular programming language with vast libraries for faster development. Learn More

  • Known for its simple syntax, Python is an open-source language that takes away the complexities of coding. Learn More

  • Node.js is a go-to choice for developers looking to build real-time, scalable apps and collaborative tools. Learn More

  • From mobile and web apps, desktop apps to microservices running on the cloud, .NET provides a solution for all. Learn More

  • Java is one of the most popular and influential languages. It is considered the most secure and reliable due to its 25 yrs old history. Learn More

  • Ruby on Rails is especially relevant for startups building MVP because of its clear syntax and code reusing. Learn More

Or, Use this form to share your requirements. Get guaranteed response within 8 Hrs.

We Offer Full Cycle Development Teams

People who excel at everything from planning and scheduling to progress tracking and workflow optimization.

Related tools and technologies:

Product Roadmap, Burndown Chart, Release Plan, Jira, TeamWork, Risk Register, Budget Tracker, Project Charter.

Our experienced business analysts will help you refine the project requirements and improve business processes through rigorous research and detailed documentation.

Related tools and technologies:

Storymap, Product Backlog, Business Model Canvas, Value Proposition.

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.

Related tools and technologies:

Sketch, Figma, inVision, Zeplin, Adobe CC, Story Map, Principle, Piece of paper, Pencil

Our frontend 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.

Related tools and technologies:

JavaScript, HTML, CSS, React, Vue, Angular, React Native, Ionic.

Our backend developers plan and develop the whole application architecture, decide which services and databases should communicate together, how API and external integrations should work and how to ensure the product is secure and stable.

Related tools and technologies:

PHP, Python, .NET, Node.js, Java, RoR, GoLang, Databases, SQL, Algorithms, Microservices, Architecture.

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.

Related tools and technologies:

AWS. Azure, Cloud Computing, Docker, Continuous Integration/Delivery, Kubernetes, Ansible, Terraform.

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.

Related tools and technologies:

JavaScript, Selenium, Cucumber, Cypress, TestCraft, Katalon, WebDriver, Appium, Jasmine, Apptester

Or, Use this form to share your requirements. Get guaranteed response within 8 Hrs.

Easy to choose pricing models

Hire a Dedicated Developer

Starting from $2400/month

8 Hrs/Day - 160 Hrs Per Month. Monthly Rolling Contract. 25% Savings over Fixed Price Projects.

Get a Fixed Price Quote

Starting from $20/hour

We'll provide a fully signed NDA for your project confidentiality.

Or, Use this form to share your requirements. Get guaranteed response within 8 Hrs.

Why Choose Capital Numbers

Reliable Service 100% in-house team.
No freelancers

Trusted by People Like You Over 100+ real, 5 star reviews on

Hire ExpertsWe employ only top 1% developers.

Modern Setup We have the best workplace in the industry.

Ai Driven Workflow We try to address issues before they occur.

Save up-to 50% We are better and yet cheaper than other solutions

Some Of Our Works


Development of Cost Management Tool and Dashboard for Landscaping Companies

Tech Stack: ReactJS, C#, SaaS

We created multiple cost calculators within the app to enable contractors to develop estimates, calculate forecasts, and manage their logistics easily.

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Integrating the Bella Chatbot With Amazon’s Virtual Assistant, Alexa

Tech Stack: Echo Device, NodeJS, API

Quit with Bella is a chatbot integrated with Alexa, Amazon's virtual assistant, to help people stop smoking. It gives contextual advicee to people trying to beat a smoking habit.

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Helping Life Happens with a Web App That Drives Financial Literacy

Tech Stack: Laravel, VueJs, CSS

This is a web app that helps insurance companies upload marketing/educational resources (e.g. flyers, brochures, videos, etc.) and drive financial literacy in society.

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Social Media Marketing and Management Tool Development

Tech Stack:Python, ReactJS, jQuery, PostgreSQL, Stripe, AWS

Our developers created a robust social media monitoring tool to help entrepreneurs and small firms strengthen their social presence on a budget.

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Workflow Solution for Australia’s Leading Digitization Company

Tech Stack: Laravel, Angular, Redis, Pusher, Gulp

They wanted to scale their production team in a cost-efficient way, and to ensure that the quality was up to standard for their government clients.

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Great Reviews

97 Out Of 100 Clients Have Given Us A Five Star Rating On Google & Clutch

Capital Numbers 5/ 5
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Capital Numbers 5/ 5
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We’d Love To Hear From You

Get Custom Solutions, Recommendations, Resumes, or, Estimates. Confidentiality & Same Day Response Guaranteed!

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  • Shovan
  • Dibakar
  • Indrajit
  • Avik
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