Tahir Khan
Nagpur, India
Tahir Khan
Full-Stack Web & Mobile App Developer
Category : Web development
I’m a Full-Stack Software Developer with 3+ years of experience building professional websites, web applications, mobile apps, SaaS products, and blockchain solutions.
I work with React, Next.js, Node.js, NestJS, Java Spring Boot, MongoDB, PostgreSQL, MySQL, and modern cloud technologies. I can manage the complete development process—from planning and UI implementation to backend development, API integration, testing, deployment, and ongoing maintenance.
My services include:
• Business and personal-brand websites
• Custom web application development
• SaaS and MVP development
• Mobile application development
• REST API and third-party integrations
• E-commerce and WordPress development
• Blockchain, Web3, and wallet integrations
• Database design and optimization
• Bug fixing, performance improvements, and maintenance
I focus on clean code, responsive design, security, scalability, and clear communication. Whether you need a new product built from scratch or improvements to an existing application, I can deliver a reliable solution aligned with your business goals.
I work with React, Next.js, Node.js, NestJS, Java Spring Boot, MongoDB, PostgreSQL, MySQL, and modern cloud technologies. I can manage the complete development process—from planning and UI implementation to backend development, API integration, testing, deployment, and ongoing maintenance.
My services include:
• Business and personal-brand websites
• Custom web application development
• SaaS and MVP development
• Mobile application development
• REST API and third-party integrations
• E-commerce and WordPress development
• Blockchain, Web3, and wallet integrations
• Database design and optimization
• Bug fixing, performance improvements, and maintenance
I focus on clean code, responsive design, security, scalability, and clear communication. Whether you need a new product built from scratch or improvements to an existing application, I can deliver a reliable solution aligned with your business goals.
Portfolio
Working hours
- Monday:09h00 To 22h00
- Tuesday:09h00 To 22h00
- Wednesday:09h00 To 22h00
- Thursday:09h00 To 22h00
- Friday:09h00 To 22h00
- Saturday:09h00 To 22h00
- Sunday:09h00 To 18h00
![I will design a modern and high-converting website UI]()
I will design a modern and high-converting website UI30 $ - Per hourI will create a modern, professional, and user-friendly website design that clearly communicates your offer and helps convert visitors into customers. This service is suitable for coaches, ...![I will develop a professional Android and iOS mobile application]()
I will develop a professional Android and iOS mobile application30 $ - Per hourI will design and develop a professional, responsive, and scalable mobile application for Android and iOS. This service is ideal for startups, entrepreneurs, and businesses that need a mobile MVP, ...![I will integrate third-party APIs and automate your business workflow]()
I will connect your application with third-party platforms and automate repetitive business processes. This service is ideal for businesses that want to reduce manual work, synchronize information ...![I will develop a Web3 dApp or integrate blockchain features]()
I will develop a Web3 dApp or integrate blockchain features30 $ - Per hourI will develop a secure Web3 application or integrate blockchain functionality into your existing website or application. This service is suitable for startups and businesses working on wallets, ...![I will deploy and configure your application on AWS cloud]()
I will deploy and configure your application on AWS cloud30 $ - Per hourI will deploy, configure, and optimize your website, backend, API, or full-stack application on AWS. This service is suitable for businesses and development teams that need a reliable production ...![I will create a professional and responsive business website]()
I will create a professional and responsive business website30 $ - Per hourI will create a modern, responsive, and professional website that presents your business clearly and helps convert visitors into customers. This service is ideal for coaches, consultants, startups, ...![I will build a scalable full-stack web application or SaaS MVP]()
I will build a scalable full-stack web application or SaaS MVP30 $ - Per hourI will design and develop a complete, production-ready web application based on your business requirements. This service is suitable for startups, entrepreneurs, coaches, consultants, and businesses ...
• Designed and developed a scalable microservices architecture using NestJS, enabling seamless ingestion of lead data from Google Ads, Facebook Ads, and Instagram Ads for marketing analytics and re-targeting.
• Built and maintained RESTful APIs using NestJS and Node.js, integrating MySQL for efficient patient data management and WhatsApp-based appointment booking workflows, improving user engagement by 50%.
• Implemented event-driven communication using WebSockets within NestJS services to support real-time updates and notifications across distributed systems.
• Collaborated with frontend teams to integrate backend services with React.js / React Native applications, ensuring high performance and smooth API consumption.
• Optimized backend performance by restructuring services and database queries, improving API response time and system reliability.
• Built and maintained RESTful APIs using NestJS and Node.js, integrating MySQL for efficient patient data management and WhatsApp-based appointment booking workflows, improving user engagement by 50%.
• Implemented event-driven communication using WebSockets within NestJS services to support real-time updates and notifications across distributed systems.
• Collaborated with frontend teams to integrate backend services with React.js / React Native applications, ensuring high performance and smooth API consumption.
• Optimized backend performance by restructuring services and database queries, improving API response time and system reliability.
• Developed and maintained backend services using NestJS and TypeScript, focusing on modular architecture, dependency injection, and clean code practices.
• Engineered a high-performance audio and screen recording backend system, reducing application crashes by 30% through efficient state and resource management.
• Designed and optimized complex SQL queries achieving response times under 10ms for large datasets.
• Built scalable backend modules in the Node.js ecosystem, including tele-calling features and real-time processing services.
• Engineered a high-performance audio and screen recording backend system, reducing application crashes by 30% through efficient state and resource management.
• Designed and optimized complex SQL queries achieving response times under 10ms for large datasets.
• Built scalable backend modules in the Node.js ecosystem, including tele-calling features and real-time processing services.
• I contributed to various projects, crafting Smart Contracts
for secure token transfers and auction functionalities.
• I also helped design and implement an advanced token swap
feature, improving liquidity by enabling smooth token management.
• This role honed my technical expertise and problem-solving skills in blockchain development.
for secure token transfers and auction functionalities.
• I also helped design and implement an advanced token swap
feature, improving liquidity by enabling smooth token management.
• This role honed my technical expertise and problem-solving skills in blockchain development.
- Generative AI Tools 01/05/2025
![Generative AI Tools]()
- Full Stack MERN 01/03/2025
![Full Stack MERN]()
- Fullstack Web Development +DSA Training Program 01/01/2025
![Fullstack Web Development +DSA Training Program]()
- Frontend Web Development 01/01/2025
![Frontend Web Development]()
- React - The Complete Guide 2024 (incl. Next.js, Redux) 01/09/2024
![React - The Complete Guide 2024 (incl. Next.js, Redux)]()
- HTML CSS & JS 01/08/2024
![HTML CSS & JS]()
- Introduction to AWS Solutions 01/03/2024
![Introduction to AWS Solutions]()
- Machine learning & it's Application using Python 01/08/2021
![Machine learning & it's Application using Python]()
- 🇬🇧 English
- 🇮🇳 Hindi
Please sign in as a customer to give your feedback
Sponsored professionals
Need a service ?
Do you want to hire the services of this Professional ?
Post your need and you will receive dozens of proposals from the Professionals of the community.
