You will get Backend API Development for Web or SaaS Applications
Project details
You will get a secure, scalable, and production-ready backend API built using Node.js and NestJS, designed to support real-world web and SaaS applications.
I specialize in backend development, helping startups and businesses build clean REST APIs, reliable authentication systems, and well-structured databases using PostgreSQL or MongoDB. My focus is on performance, maintainability, and scalability, ensuring your backend can grow with your product.
Whether you need a new backend from scratch, additional API endpoints, or improvements to an existing Node.js application, I follow a structured development process with clear communication and timely delivery. I work with modern backend tools such as Redis, background job queues, and S3-compatible object storage when required.
This project is ideal for SaaS platforms, dashboards, admin panels, marketplaces, and MVPs that require a solid backend foundation. You will receive clean source code, properly organized APIs, and clear setup instructions so your frontend or mobile app can integrate easily.
I specialize in backend development, helping startups and businesses build clean REST APIs, reliable authentication systems, and well-structured databases using PostgreSQL or MongoDB. My focus is on performance, maintainability, and scalability, ensuring your backend can grow with your product.
Whether you need a new backend from scratch, additional API endpoints, or improvements to an existing Node.js application, I follow a structured development process with clear communication and timely delivery. I work with modern backend tools such as Redis, background job queues, and S3-compatible object storage when required.
This project is ideal for SaaS platforms, dashboards, admin panels, marketplaces, and MVPs that require a solid backend foundation. You will receive clean source code, properly organized APIs, and clear setup instructions so your frontend or mobile app can integrate easily.
Programming Languages
JavaScript, Python, TypeScriptWhat's included
| Service Tiers |
Starter
$10
|
Standard
$20
|
Advanced
$100
|
|---|---|---|---|
| Delivery Time | 1 day | 3 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 2 | 6 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Frequently asked questions
About Shaheel
Backend Engineer | Scalable APIs | Node.js, Python, FastAPI, Django
Rawalpindi, Pakistan - 2:37 pm local time
I am a Backend Engineer specializing in building backend systems for startups and growing businesses with strong expertise in API Development using Node.js Express.js Python FastAPI and Django I design clean backend architecture . with hands on experience in PostgreSQL MongoDB and Redis for database optimization and high performance data handling I build and deploy REST APIs and Microservices using Docker and AWS with fully automated CI/CD pipelines ensuring systems are easy to scale extend and adapt as product requirements evolve.
BACKEND & API ENGINEERING EXPERTISE
I design and develop high-performance backend services and APIs with a strong emphasis on scalability and security.
• RESTful API development using Node.js, Express.js, Django, and FastAPI
• Backend architecture following clean architecture and SOLID principles
• Authentication and authorization (JWT, OAuth2, Role-Based Access Control)
• Database schema design and query optimization
• Integration of third-party services and external APIs
• Microservices and event-driven backend systems
• Async processing and background jobs
DATABASES & CACHING
I design and optimize databases for performance, reliability, and scale.
• PostgreSQL (indexing, query optimization, migrations)
• MongoDB (schema design, performance tuning)
• MySQL
• Redis for caching, sessions, and background job queues
• Data consistency, transaction management, and performance monitoring
BACKGROUND JOBS, AUTOMATION & MESSAGING
• Queue-based background processing using Redis (Bull, Celery)
• Email automation systems and event-driven workflows
• Scheduled tasks and cron-based automation
• API-based data pipelines and backend automation scripts
DEVOPS, CLOUD & DEPLOYMENT
I ensure every backend system is production-ready and deployment-friendly.
• Docker and Docker Compose for containerized backends
• CI/CD pipelines using GitHub Actions and GitLab CI
• Linux server setup and Nginx reverse proxy configuration
• Cloud deployment on AWS (EC2, S3, RDS, IAM)
• Environment configuration, secrets management, and logging
• Monitoring and error tracking (Sentry, Prometheus fundamentals)
SECURITY, TESTING & RELIABILITY
• Secure authentication and authorization flows
• HTTPS/SSL configuration and API security best practices
• Unit and API testing (Pytest, Jest, Postman)
• Logging, monitoring, and backup strategies
• Performance optimization and load readiness
SPECIALIZED BACKEND SERVICES
• FastAPI microservices with Docker Compose
• Django REST APIs with advanced query optimization
• Node.js REST APIs for SaaS and internal tools
• Background job systems and queue-driven workers
• Serverless backend functions using AWS Lambda
• Real-time backend systems (WebSockets, SocketIO)
• Custom email APIs using AWS SES or SendGrid
• PostgreSQL performance tuning and optimization
WHY CLIENTS HIRE ME
• Strong backend-first mindset with real production experience
• Expertise across Nodejs and Python backend ecosystems
• Focus on scalability, security, and clean architecture
• Clear communication and reliable delivery
• Ability to improve existing systems or build from scratch
SKILLS
• API Development
• Node.js
• Express.js
• Python
• FastAPI
• Django
• PostgreSQL
• MongoDB
• Redis
• Docker
• AWS
• REST APIs
• Microservices
• CI/CD
If you are looking for a backend-focused engineer who can build, optimize, or scale secure and production-ready systems, feel free to message me. I’m happy to discuss your requirements and propose the right backend solution for your project.
Steps for completing your project
After purchasing the project, send requirements so Shaheel can start the project.
Delivery time starts when Shaheel receives requirements from you.
Shaheel works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Review & Scope Confirmation
I will review your requirements, clarify missing details, and confirm final scope, deliverables, and timeline before development starts.
API & Database Design
I will design the database schema and API structure (endpoints, request/response formats) based on your features and roles