You will get a custom full-stack web application with React, Node.js, Python & MongoDB
Rising Talent
Project details
Are you looking for a developer to build a modern, secure, and scalable web application?
I will develop a custom full-stack web application based on your business requirements, from frontend and backend development to database integration, APIs, authentication, and deployment.
What I can build
Business web applications
SaaS applications
Admin dashboards
Management systems
E-commerce platforms
Booking systems
Course/education platforms
REST APIs
AI-powered web applications
Custom integrations
MVPs and startup applications
What you'll get
Responsive and modern frontend
Secure backend
REST API development
Database integration
Authentication & authorization
Third-party API integration
Payment integration
Admin dashboards
AI/API integrations
Error handling and validation
Deployment assistance
Clean and maintainable source code
Technologies
Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS
Backend: Node.js, NestJS, FastAPI, Spring Boot
Database: MongoDB, MySQL, PostgreSQL
Cloud & DevOps: AWS, Docker, Kubernetes, Terraform, CI/CD
Authentication: JWT, OAuth 2.0
AI: OpenAI, LLM APIs, RAG, AI integrations
I will develop a custom full-stack web application based on your business requirements, from frontend and backend development to database integration, APIs, authentication, and deployment.
What I can build
Business web applications
SaaS applications
Admin dashboards
Management systems
E-commerce platforms
Booking systems
Course/education platforms
REST APIs
AI-powered web applications
Custom integrations
MVPs and startup applications
What you'll get
Responsive and modern frontend
Secure backend
REST API development
Database integration
Authentication & authorization
Third-party API integration
Payment integration
Admin dashboards
AI/API integrations
Error handling and validation
Deployment assistance
Clean and maintainable source code
Technologies
Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS
Backend: Node.js, NestJS, FastAPI, Spring Boot
Database: MongoDB, MySQL, PostgreSQL
Cloud & DevOps: AWS, Docker, Kubernetes, Terraform, CI/CD
Authentication: JWT, OAuth 2.0
AI: OpenAI, LLM APIs, RAG, AI integrations
Programming Languages
Python, Java, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$70
|
Standard
$150
|
Advanced
$250
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 2 | 4 | 4 |
Number of Pages | 2 | 5 | 10 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
About Vipun
Software Engineer | Backend, AI, APIs, Microservices & Cloud
Colombo, Sri Lanka - 2:11 am local time
With experience developing enterprise applications, cloud platforms, and AI-powered solutions, I specialize in designing backend systems that are reliable, maintainable, and built for growth. Whether you're launching a new product, modernizing a legacy application, or integrating multiple platforms, I deliver clean, high-quality solutions tailored to your business needs.
■ Backend Development
* Python (FastAPI, Flask)
* Java (Spring Boot)
* Node.js (NestJS, Express)
* RESTful APIs & GraphQL
* Microservices Architecture
* Secure Authentication (OAuth2, JWT, OpenID Connect)
■Cloud & DevOps
* Amazon Web Services (AWS)
* Microsoft Azure
* Google Cloud Platform (GCP)
* Docker & Kubernetes
* Terraform (Infrastructure as Code)
* CI/CD with GitHub Actions, Azure DevOps, and Jenkins
* Linux Server Administration
* Nginx & Production Deployments
■ AI & Automation
* AI Agents
* OpenAI & Large Language Models (LLMs)
* LangChain & Retrieval-Augmented Generation (RAG)
* AI Chatbots & Intelligent Assistants
* Document Processing & Knowledge Management
* Workflow Automation with n8n
■ API & Integration
* REST API Development
* Third-Party API Integration
* System Integration
* WSO2 API Manager & Integration Solutions
* OAuth2, OpenID Connect & SSO
* Event-Driven Architecture
* Kafka & RabbitMQ
■ Databases
* PostgreSQL
* MySQL
* MongoDB
* Firebase
* Database Optimization & Performance Tuning
■ Monitoring & Reliability
* Grafana
* Prometheus
* Logging & Observability
* Performance Optimization
* Security Best Practices
● What I Can Help You Build
* Custom Backend Applications
* Enterprise Software Solutions
* AI-Powered Applications
* OpenAI & LLM Integrations
* RAG Systems
* AI Agents & Chatbots
* API Development & Third-Party Integrations
* Cloud-Native Applications
* Microservices Platforms
* Docker & Kubernetes Deployments
* Infrastructure as Code (Terraform)
* DevOps & CI/CD Automation
* n8n Workflow Automation
* Database Design & Optimization
* Legacy System Modernization
* Secure Cloud Infrastructure
○ Professional Experience
I currently work as a Software Engineer at IfinityGlobal, where I develop enterprise-grade backend systems, banking integrations, cloud-native applications, APIs, automation platforms, and microservices for business-critical environments.
Previously, I worked as an R&D Software Engineer Intern at WSO2 Cloud Security Operations Center (SOC), contributing to cloud security automation, enterprise integration platforms, AI-driven research initiatives, and cloud-native software development.
These experiences have given me hands-on expertise in building scalable systems that meet enterprise standards for security, performance, and reliability.
⚪️Why Clients Choose Me
● Clean, maintainable, and well-documented code
● Scalable software architecture
● Strong communication and transparent project updates
● Security-first development approach
● Performance optimization and best engineering practices
● Reliable delivery and long-term support
Whether you need a backend API, AI-powered application, enterprise integration, cloud infrastructure, DevOps automation, or a complete software solution, I can help transform your ideas into reliable, production-ready systems that scale with your business.
Let's build something exceptional together.
Steps for completing your project
After purchasing the project, send requirements so Vipun can start the project.
Delivery time starts when Vipun receives requirements from you.
Vipun works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Planning
I will review your requirements, features, design, and technical needs.
Backend Development
I will develop the backend, APIs, authentication, business logic, and database integration.