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Fiverr Pro
English
$
USD
I will build scalable node js backend apis with nestjs or express
Kushagra Sharma
About this gig
I build complete, scalable web applications and business solutions from frontend to cloud deployment.
What I can help you with:
Full Stack Development
Node.js, Express.js, NestJS
React.js
Python
REST APIs and third party integrations
Authentication, RBAC and secure applications
PostgreSQL, MySQL, MongoDB and Firebase
AI and Automation
AI API integrations
AI powered features
Automation workflows
Real time data processing
️ Cloud and DevOps
AWS and GCP
Docker
CI/CD pipelines
Cloud deployment and server configuration
Performance optimization and monitoring
️ I can build from scratch, improve an existing application, fix bugs, integrate APIs, optimize performance, or deploy your project to production.
With 4+ years of professional experience, I focus on clean architecture, reliable solutions, maintainable code and understanding your actual business requirements.
Whether you need a website, SaaS application, API, dashboard, AI integration, cloud solution or complete product development, I can help turn your idea into a working solution.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Kushagra Sharma
Kushagra Sharma
- FromIndia
- Member sinceDec 2021
- Avg. response time1 hour
Languages
English
🚀 I build scalable backend & AI solutions that solve real business problems.
💻 Node.js | NestJS | Express.js | PostgreSQL | MongoDB
🤖 AI/ML integrations | IoT | Real-time data | Digital Twins
☁️ AWS | GCP | Docker | CI/CD
💳 Stripe | APIs | Third-party integrations
I can help with:
✅ Backend/API development
✅ Bug fixing & performance
✅ AI integrations
✅ Microservices & real-time systems
✅ Cloud deployment & optimization
✅ Existing codebase refactoring
With 4+ years of experience, I focus on understanding the problem, building the right solution, and taking it to production.
My Portfolio
FAQ
What technologies do you work with?
I work with Node.js, NestJS, Express.js, Python, ReacSut.js, PostgreSQL, MySQL, MongoDB, Firebase, AWS, GCP, Docker, Claude, Replit, Supabase and CI/CD
Can you build a complete web application from scratch?
Yes. I can handle frontend, APIs, database, integrations, cloud deployment and production setup.
Can you work on an existing project?
Yes. I can fix bugs, add features, refactor code, improve performance and maintain existing applications.
Can you integrate third party APIs or services?
Yes. I can integrate payment gateways, authentication services, AI APIs, email/SMS services and other third party APIs.
Do you provide deployment support?
Yes. I can deploy applications to AWS, GCP or other cloud platforms using Docker and CI/CD pipelines.
Can you build AI powered applications?
Yes. I can integrate AI models and APIs into web applications, automation workflows and business solutions.
Can you build custom APIs?
Yes. I can design and develop secure, scalable REST APIs based on your business requirements.
What do you need from me before starting?
Please provide your requirements, existing code or design, preferred technology if any, and access to required services or repositories
