I will develop scalable web applications for your business using mern Stack

Starter API, Bug Fix

Quick backend fixes or small API endpoints with clean and reliable code

Delivery Time
2 Days
Package Includes: see all
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Service details

I offer professional web and software development services focused on building reliable, scalable, and easy to use applications. As a MERN stack and software developer, I help clients convert ideas, requirements, or existing systems into fully functional and production ready solutions.


This service includes requirement analysis, planning, development, testing, and final delivery. Whether you need a complete web application, backend functionality, frontend features, or improvements to an existing system, I focus on clean structure, logical flow, and long term maintainability. My goal is to deliver software that works smoothly and can be easily extended in the future.


I work closely with buyers to clearly understand their objectives and business needs before starting development. Based on this understanding, I design efficient application logic, secure data handling, and responsive user interfaces. Performance optimization, proper validation, and security best practices are part of every project to ensure stability and reliability under real usage.


You will receive regular updates, clear communication, and timely delivery throughout the project. I also assist with bug fixing, feature enhancements, and basic documentation so you can confidently manage or grow the application after delivery. My problem solving approach is backed by strong logical and mathematical thinking, allowing me to design efficient and well organized solutions.


If you have a specific feature request or technical challenge, this service can be adapted to meet your exact requirements.

Key details

  • Programming Language
    JavaScript
  • Expertise
    DatabasesAlgorithms & Data StructuresDebuggingPerformanceSecurity
  • Frontend Framework
    JqueryVue.jsReact.jsPreactNext.js
  • Backend Framework
    Node.jsNext.jsExpress.jsFlaskKoa
Special note from freelancer
I focus on clean backend architecture, reliable APIs, and scalable solutions delivered on time.
FAQs
What information do you need before starting a project?

I usually need a brief description of your project, required features, preferred technology if any, and access to existing code or documentation if available.

Do you develop custom APIs for web applications?

Yes. I develop custom REST APIs & use other APIs like socket, fetchEventSource, GraphQL using Nodejs and Express that can connect your frontend, database, or third party services.

Can you integrate third party APIs into my application?

Yes. I can integrate payment systems, authentication services, external APIs, and other third party platforms into your backend.

Do you fix bugs in existing backend code?

Yes. I can analyze existing code, identify issues, and implement fixes or improvements to make the system stable and efficient.

Devansh Singh

Devansh Singh

MERN Developer |Software developer |Mathematics Enthusiast

I’m a MERN Stack and Software Developer with a strong mathematical and problem-solving mindset. I specialize in building modern web applications, REST APIs, and scalable backend systems. I focus on clean architecture, performance, and timely delivery. I work closely with clients to understand requirements and provide practical, production-ready solutions.

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