You will get Custom API Solutions with Django Rest Framework | Scalable & Secure

Haradhan S.Status: Offline
Haradhan S. Haradhan S.
4.9
Top Rated

Let a pro handle the details

Buy Other Web Programming services from Haradhan, priced and ready to go.
Haradhan S.Status: Offline
Haradhan S. Haradhan S.
4.9
Top Rated

Let a pro handle the details

Buy Other Web Programming services from Haradhan, priced and ready to go.

Project details

🚀 Unlock the Power of Scalable APIs with Django Rest Framework 🚀

🏆 Basic Tier
✔️ Initial consultation to define your API needs
✔️ Develop up to 5 endpoints with basic CRUD operations
✔️ Comprehensive API documentation and usage guide
✔️ Docker deployment for easy scalability

🏆 Standard Tier
✔️ All Basic Tier features
✔️ Expand to 10 endpoints with advanced features like authentication, pagination, and filtering
✔️ SQL database integration for optimized data management
✔️ Enhanced documentation and setup support

🏆 Premium Tier
✔️ All Standard Tier features
✔️ Up to 20 endpoints with complex business logic
✔️ Role-based access control for enhanced security
✔️ Integration with third-party APIs and services
✔️ Full deployment with Docker & Nginx for load balancing and security
✔️ 1-month post-delivery support

🔍 Why Choose Me?
With extensive experience in Django Rest Framework, I specialize in crafting custom, scalable, and secure APIs that drive business growth. My services are designed to meet your unique requirements, ensuring seamless integration and optimal performance.

Let’s build a robust API tailored to your needs.
Web Programming Project
API Development, API Integration
Programming Languages
Python
What's included
Service Tiers Starter
$500
Standard
$900
Advanced
$2,400
Delivery Time 7 days 14 days 21 days
Number of Revisions
111
Source Code
4.9
11 reviews
91% Complete
9% Complete
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

GO

Geoff O.
5.00
Aug 28, 2025
Prototype Development for Python/FastAPI/HTMX Compliance App

AS

Ayesha S.
5.00
Jul 19, 2025
OpenCart Setup and Custom Admin Pages Great work done. Haradhan Sharma is an one army with very professional work. I would like to work long-term. Thanks

HS

Hakon Levi S.
5.00
Mar 17, 2025
Deployment of Python Script for Data Processing

MA

MUBARAK A.
5.00
Apr 19, 2024
Development of API Requirements List He has a methodology at work that I like, and he is keen on perfecting his work

SL

Serge L.
5.00
Feb 1, 2022
Apparel development designer Tuesday, February 01, 2022

When we had initiated our cap project, although specific instructions were clearly specified, however, many of the freelancers hadn’t a clue on how to design this product.

Once we got a reply from Haradhan, we knew immediately he was our man for this project.

Haradhan is a superb freelancer, a good listener, aside from being very talented in his field. Pays attention to detailed instructions and implement them.

Wed are very pleased with this freelancer , as we will use him for other incoming projects.

Anders Johannsen

Protecto Products
Haradhan S.Status: Offline

About Haradhan

Haradhan S.Status: Offline
Full-Stack Architect | Python Backend Expert | Business Automation
100% Job Success
4.9  (11 reviews)
Dhaka, Bangladesh - 7:02 am local time
**Sovereign AI & RAG Architect | Full-Stack Python | Django, Django-Ninja, PostgreSQL | Custom ERP & Industrial Automation | Algorithmic Trading | DevOps & Cloud Hardening**

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### 🔥 SPECIAL ATTRACTION: SOVEREIGN AI & AGENTIC RAG (CURRENT TRENDS)
Stop paying the "AI Tax" and risking your intellectual property. I specialize in the global shift toward **Sovereign AI**—building intelligent, high-accuracy systems that *you* own and host.

* **Enterprise Agentic AI & Sovereign RAG Pipelines:** I build "Sovereign RAG" (Retrieval-Augmented Generation) systems that act as expert employees. By grounding AI in your private data using **pgvector** or **Pinecone**, I ensure 100% factual accuracy and zero-trust security.
* **OpenClaw & AnythingLLM Gateways:** I deploy turnkey, web-accessible AI command centers. Your team can use GPT-4, Claude, or local models (**Llama 3, Hermes, Gemma**) through a secure, hardened interface without per-user subscription fees.
* **Specialized RAG Solutions:** Implementation of niche-specific intelligence, including **Lawyer RAG** for legal discovery, medical research assistants, and industrial manual synthesis.
* **Private AI Employees:** Deploy 24/7 autonomous agents using **Ollama** and **OpenClaw** for SEO crawling, market research, and lead generation—all living on your private VPS with zero recurring API costs.

---

### ABOUT ME
I am a Full-Stack Python Developer and AI Automation Specialist with **15+ years of experience** and **150+ projects** delivered worldwide. I don't deliver "demos" that break; I engineer production-grade, Dockerized, and secured ecosystems. My systems are built for long-term stability, featuring automated monitoring, Cloudflare WAF protection, and high-performance architecture.

---

### CORE SERVICES

**1. Enterprise RAG & Agentic AI Orchestration**
Implementation of high-scale vector indexing and "Agentic Tool-Calling." I use **LangChain** and **LlamaIndex** to build systems that don't just "chat"—they actually book meetings, update CRMs, and generate reports.
*Starting at $1,499.*

**2. OpenClaw Enterprise AI Gateway**
Secure, browser-based multi-model routing. I handle the infrastructure hardening (Nginx, Docker, SSL) and model orchestration, allowing your team to switch between OpenAI and local LLMs via a unified, sovereign dashboard.
*Starting at $699.*

**3. High-Concurrency Backend Engineering**
Transitioning sluggish systems into High-Performance Async Python engines. I optimize Django/FastAPI for **sub-50ms latency** and handle 10K+ concurrent users through deep PostgreSQL query tuning and Redis-backed task queues.
*Starting at $899.*

**4. Industrial Intelligence & Custom ERP**
Specialized Manufacturing ERPs for Garments, Textiles, and Heavy Industry. Includes real-time shop-floor visibility, QR/Barcode traceability, and IoT integration (MQTT) to replace manual spreadsheets with a "God-eye view."
*Starting at $4,999.*

**5. Sovereign Business OS (ERPNext & CRM)**
Achieve operational independence with ERPNext or Odoo. Get world-class Accounting, HR, and Supply Chain management with **unlimited users** and zero "per-seat" license fees.
*Starting at $3,999.*

**6. High-Conversion Full-Stack Ecosystems**
Building ultra-lean, SEO-dominant web apps using **Island Architecture (Astro)** and **Nuxt 3**. I eliminate "JavaScript Fatigue" by using HTMX and Alpine.js for instant-load, high-revenue digital storefronts.
*Starting at $2,999.*

**7. Algorithmic Trading & FinTech Automation**
Institutional-grade trading engines for MT5, Binance, and TradingView. Featuring vectorized backtesting (Pandas/NumPy), low-latency WebSockets, and automated risk-management modules.
*Starting at $1,499.*

**8. Cloud Hardening & Zero-Downtime DevOps**
Building unbreakable foundations with GitHub Actions CI/CD, Cloudflare Zero-Trust, and self-healing Dockerized environments.
*Starting at $699.*

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### TECHNOLOGIES I WORK WITH
* **AI/ML:** RAG Pipelines, LangChain, LlamaIndex, Ollama, Gemma 4, Hermes, AnythingLLM, OpenClaw, Vector DBs (pgvector, Pinecone, Weaviate).
* **Backend:** Python (Asyncio), Django Ninja, FastAPI, Celery, Redis, RabbitMQ.
* **Frontend:** Astro (Island Architecture), Nuxt 3, VueJS, HTMX, Alpine.js, TailwindCSS.
* **Database:** PostgreSQL, MariaDB/ERPNext, MongoDB, Redis, Supabase.
* **DevOps/Security:** Docker, GitHub Actions, Nginx Hardening, Cloudflare WAF, Linux VPS, MQTT/IIoT.
* **FinTech:** MQL5, MetaTrader 5, Binance API, Pandas, Pine Script.

---

### WHY HIRE ME?
* **150+ Projects Delivered:** 100% satisfaction and 5-star reputation.
* **Data Sovereignty First:** I build systems that *you* own, ensuring your data never leaves your control.
* **Transparent Pricing:** Fixed deliverables, defined timelines, and zero "ghosting."
* **Priority Support:** Post-delivery documentation, training, and a 2-hour res

Steps for completing your project

After purchasing the project, send requirements so Haradhan can start the project.

Delivery time starts when Haradhan receives requirements from you.

Haradhan works on your project following the steps below.

Revisions may occur after the delivery date.

Initial Consultation and Requirements Gathering

We'll start with a detailed consultation to understand your API requirements and gather all necessary materials. This includes endpoint specifications, business logic, database schemas, and any third-party integrations.

API Design and Planning

Based on the gathered requirements, we'll design the API structure and plan the development process. This includes defining endpoints, data models, and authentication mechanisms.

Review the work, release payment, and leave feedback to Haradhan.