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Hardik C.
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Hardik C.

AI Engineer | LLM Apps & AI Agents | OpenAI + Python

✅ 6+ Years of Backend Development Experience ✅ 20+ Projects Delivered Successfully with $40,000+ Earned on Upwork ✅ Specialized in OpenAI GPT, LLM Apps, RAG & Agentic AI and AI SaaS, Automation & Enterprise-Grade Backend ✅ Production-Ready Python, Django, FastAPI & API Architecture I build AI-powered applications, LLM apps, AI agents, and scalable backend systems using OpenAI GPT, Python, Django, FastAPI, RAG pipelines, vector databases, and secure cloud-ready architecture. I specialize in AI automation, OpenAI API integration, agentic AI systems, RAG systems, LLM architecture, and developing production-ready AI SaaS backends. Here’s what I deliver: ✔️ AI Applications & LLM Apps (OpenAI GPT, Claude, Gemini) – scalable AI-powered applications, custom GPT chatbots, LLM applications, conversational AI systems, knowledge assistants, AI SaaS products, AI product development, internal AI tools, and business automation platforms built with real production architecture. ✔️ OpenAI GPT & API Integration – OpenAI API integration, Azure OpenAI, GPT-powered workflows, Responses API, Agents SDK, function calling, tool calling, structured outputs, prompt engineering, AI response optimization, API integration, and custom AI features for SaaS platforms, dashboards, CRMs, and business systems. ✔️ RAG Systems & Vector Search – Retrieval-Augmented Generation pipelines, vector databases, embeddings, semantic search, vector search, document AI, PDF/document processing, knowledge base chatbots, Pinecone, Weaviate, Qdrant, FAISS, PostgreSQL vector search, LangChain, LlamaIndex, and custom knowledge retrieval systems. ✔️ Agentic AI & Multi-Agent Workflows – agentic AI systems, AI agents, multi-agent workflows, tool-using agents, autonomous task execution, AI workflow orchestration, decision-making agents, human-in-the-loop review, and intelligent AI systems connected with APIs, databases, dashboards, and external business tools. ✔️ Python, Django & Backend Development – scalable backend development using Python, Django, Django REST Framework, FastAPI, PostgreSQL, MySQL, Redis, Celery, REST APIs, WebSockets, background jobs, secure database architecture, Docker, AWS, Azure, Supabase, and cloud deployment. ✔️ AI Automation & Business Workflows – AI workflow automation for customer support automation, lead qualification, document processing, data extraction, reporting, analytics, internal productivity, CRM workflows, email automation, support deflection, operational efficiency, KPI tracking, and repetitive business processes. ✔️ AI SaaS & MVP Development – AI SaaS backend development, SaaS MVPs, admin dashboards, customer portals, analytics dashboards, subscription systems, Stripe integrations, multi-tenant SaaS architecture, role-based access control, user management, MVP launch, SaaS scalability, and product-market fit focused development. ✔️ Secure & Enterprise-Grade AI Architecture – secure API design, authentication, authorization, role-based access control, tenant isolation, audit logs, rate limiting, encryption, data privacy, GDPR-conscious development, HIPAA-aware architecture, SOC 2-ready architecture, compliance-aware backend, error handling, production monitoring, and maintainable code. ✔️ Machine Learning & NLP Integrations – generative AI features, natural language processing, text classification, summarization, chatbot intelligence, AI analytics, data-driven insights, machine learning API integrations, intelligent search, and AI-powered decision support systems. ⭐ Recent Client Feedback: “Hardik was very professional and diligent. He successfully accomplished every task he was assigned.” “Hardik completed his work relatively quickly and in accordance with what was requested.” Let’s have a 𝑭𝑹𝑬𝑬 consultation call to discuss your requirements, and you will get a complete AI application, LLM app, agentic AI, RAG system, automation platform, or Python/Django backend development plan from me.

🇮🇳Ahmedabad, India$27/hr100% JSS5.00 (22)Since Sep 2020

Earnings and projects

MRR
$1

Last 6 months ÷ 6

World#182,373 / 412k
🇮🇳Country#19,190 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $5

Total earnings
$42k

Billed in all: $45k

World#87,854 / 412k
🇮🇳Country#12,904 / 45.9k
Per project
$1.7k

$5 in the last 6 months

World#85,643 / 412k
🇮🇳Country#10,503 / 45.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
24

Across 29 contracts

45% fixed55% hourly
World#116,630 / 412k
🇮🇳Country#17,196 / 45.9k

Earnings, last 30 days

$44.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$44.0k$44.5k$45.0k$45.5kOct 8Oct 23Nov 7

Skill rankings: Top 34% in Django

Ranked by MRR among everyone on Upwork with the skill.

  1. #23Graph Database54 freelancers · 🇮🇳 #5Top 43%
  2. #78Cloud Development165 freelancers · 🇮🇳 #22Top 47%
  3. #582Vector Database1,142 freelancers · 🇮🇳 #144Top 51%
  4. #1,035Natural Language Processing2,688 freelancers · 🇮🇳 #196Top 39%
  5. #1,396CI/CD3,691 freelancers · 🇮🇳 #295Top 38%
  6. #1,409Large Language Model2,726 freelancers · 🇮🇳 #292Top 52%
  7. #1,462Prompt Engineering2,859 freelancers · 🇮🇳 #218Top 51%
  8. #1,864Back-End Development4,183 freelancers · 🇮🇳 #362Top 45%