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Fiverr Pro
English
$
USD
I will build a react next js and nest js web application
engineersworld
About this gig
Planning a new digital product or dealing with a web application that is slow, unstable, or difficult to extend? I can turn your requirements into a secure, production-ready system built for long-term use.
Im a Senior Full-Stack Software Engineer & AI Specialist with 8+ years of experience delivering SaaS products, business platforms, APIs, dashboards, and cloud-based applications. I work on both new builds and existing systems that need stronger performance, architecture, or reliability.
How I Can Help
- Build custom SaaS, ERP, and business platforms
- Develop responsive React interfaces and dashboards
- Create secure backend services and REST APIs
- Add authentication, subscriptions, payments, and user roles
- Connect third-party services and automate business processes
- Diagnose performance issues and repair existing applications
Core Technologies
- Frontend: React, JavaScript, TypeScript
- Backend: Node.js, Python, Django, Ruby on Rails
- Database: PostgreSQL
- Cloud: AWS, Microsoft Azure
- DevOps: Docker, Kubernetes, CI/CD
- AI: Machine learning and AI API integrations
Your Delivery Includes
- A complete application based on the agreed requirements
- Responsive behavior
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 engineersworld
engineersworld
Your all in one developer is available
- FromPakistan
- Member sinceOct 2018
- Last delivery5 years
Languages
Urdu, English
Senior Full-Stack Software Engineer with 8+ years of experience in Ruby on Rails, Python, React, Next.js, Node.js, REST APIs, GraphQL, PostgreSQL, AWS, Docker, Terraform, and CI/CD. I build and scale production-ready applications, optimize performance, and design reliable backend systems. I’ve launched 10+ production apps and mentored 15+ developers. Strong in architecture, APIs, cloud infrastructure, testing, and technical leadership. I focus on clean code, scalability, clear communication, and on-time delivery.
FAQ
Can you work on an existing application?
Yes. I can review an existing codebase, fix issues, add functionality, improve APIs, optimize performance, or extend the application.
Which technologies do you work with?
Ruby on Rails, Python/Django/FastAPI/Flask, React, Next.js, Node.js, PostgreSQL, REST APIs, GraphQL, Docker and cloud infrastructure.
Can you build an entire SaaS or MVP?
Yes. Please contact me before ordering so we can define features, integrations, architecture, milestones and delivery expectations.
Can you integrate third-party APIs?
Yes. I can work with payment systems, authentication providers, external APIs, webhooks and other integrations after reviewing their documentation.
Do you provide deployment?
Yes. Deployment can be included depending on the package or added through a custom offer.
Do you provide frontend and backend development?
Yes. I can handle the full stack or work only on the backend/API when that is what your project requires.
Should I contact you before ordering?
Yes, especially for an existing application or larger project. This allows me to confirm scope, timeline and the correct package before work begins.
