You will get custom Back-End Development | Node.js | Express.js
Project details
Looking for a reliable back-end developer? I specialize in building strong web applications using Node.js, Express.js, Nest.js, Mongoose, and TypeORM.
Technologies I use: Node.js | Express.js | Nest.js | MongoDB | TypeORM
• Custom Back-End Development: I build secure, scalable applications that are tailored to your needs.
• API Development: I create functional APIs that improve your app’s performance.
• Database Management: I integrate MongoDB and TypeORM for efficient database handling.
• Ongoing Support: I provide updates, bug fixes, and optimizations as needed.
Technologies I use: Node.js | Express.js | Nest.js | MongoDB | TypeORM
• Custom Back-End Development: I build secure, scalable applications that are tailored to your needs.
• API Development: I create functional APIs that improve your app’s performance.
• Database Management: I integrate MongoDB and TypeORM for efficient database handling.
• Ongoing Support: I provide updates, bug fixes, and optimizations as needed.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$99
|
Standard
$349
|
Advanced
$649
|
|---|---|---|---|
| Delivery Time | 3 days | 6 days | 9 days |
Number of Revisions | 2 | 4 | 4 |
Number of Pages | 1 | 5 | 8 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | - | - | |
Source Code | - |
Frequently asked questions
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AJ
Amisha J.
Dec 1, 2025
Full-Stack Developer (MongoDB, Express, Angular, Node.js)
IM
Ivana M.
Nov 26, 2025
LLM Agent Developer
It was a pleasure working with this freelancer. Communication was smooth, deadlines were respected, and the overall collaboration was professional and efficient. I would definitely consider working together again in the future. Recommended!
BA
Bilal A.
Apr 13, 2025
Full-Stack Developer Needed for a Subscription-Based Fitness App
He has been quite good, understands the tech and went beyond his capacity to complete the application. Will be working with him again soon
About Shees
AI Developer | Python & React Expert | AI Chatbot & AI Agent | LLM
100%
Job Success
Islamabad, Pakistan - 7:35 am local time
What I Build:
Custom AI Solutions: Tailored systems that solve real business problems with precision.
Generative AI Apps & Chatbots: Built on GPT, LangChain, and Pinecone with context, memory & retrieval.
AI-Powered Dashboards & SaaS Platforms: Real-time analytics, insights, and automation for teams.
LLM Integrations: Embeddings, RAG pipelines, and vector-based memory workflows.
Predictive Analytics & NLP Models: Using TensorFlow, PyTorch, and Scikit-learn.
Cross-Platform Apps: Scalable web, mobile, and SaaS solutions.
Automated Data Workflows: Data pipelines, web scrapers, and orchestration tools with n8n or custom code.
Cloud-Native Systems: AWS, GCP, or Azure — optimized for performance and scale.
My Tech Stack
AI/ML: GPT-4, OpenAI, LangChain, LlamaIndex, Pinecone, Hugging Face, TensorFlow, PyTorch, Scikit-learn, Transformers, RAG, Vector Databases
Backend: Python (FastAPI, Django, Flask), Node.js, REST APIs
Frontend: React.js, Next.js, TypeScript,
Databases: PostgreSQL, MongoDB, Firebase, Redis
Automation & Scraping: Selenium, Playwright, Puppeteer, BeautifulSoup, Scrapy
Low/No Code: n8n, Zapier, Retool, Bubble, Airtable
Cloud/DevOps: AWS, GCP, Azure (AI + Serverless), Docker, Kubernetes, GitHub Actions
Why Clients Choose Me:
Deep understanding of AI workflows and Python architecture
Strong frontend development with React.js for seamless AI UI/UX
Proven success building LLM-based applications and chatbots
Clean code, modular systems, and future-proof solutions
Transparent communication and reliable project delivery
Let’s bring your AI product to life. Whether you’re launching a new platform or upgrading your existing system, I’ll help you build something intelligent, scalable, and future-proof.
Send me a message or invite me to your project I’d love to collaborate and build the future of AI together.
Steps for completing your project
After purchasing the project, send requirements so Shees can start the project.
Delivery time starts when Shees receives requirements from you.
Shees works on your project following the steps below.
Revisions may occur after the delivery date.
Planning and Requirements Gathering
We’ll discuss your project goals and collect any design files and technical details you have. I’ll create a plan that includes timelines and the steps we’ll take to keep everything organized.
Development and Integration
I’ll begin building the backend of your application using Node.js and Express.js. This includes creating APIs and integrating the necessary databases to make sure everything works together.