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Hassan A.
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Hassan A.

Conversational AI & Python Engineer | Rasa, LangChain, FastAPI, DevOps

Expert Vetted Developer I build conversational AI systems that actually ship, scale, and hold up in production, not demos that break under real traffic. With over a decade in the industry including the last 3+ years focused on conversational AI, I have designed and deployed chatbots and voice assistants that handle millions of messages for startups and enterprise teams across the US, helping them cut support costs, automate lead capture, and run 24/7 customer interactions without adding headcount. What I bring to your project: - Conversational AI & LLM Engineering Production bots with Rasa, Dialogflow, and LangChain. RAG pipelines, intent and entity design, context handling, multi-turn flows, and LLM integrations (OpenAI, Anthropic, open-source models) wired into real business logic, not just a chat window. - Backend & APIs High-performance services in Python with FastAPI. Real-time messaging over WebSockets, Redis for caching, queues, and session state, plus Twilio for SMS, WhatsApp, and voice channels. - DevOps & Scale I ship and own the full pipeline: Docker, Kubernetes, CI/CD with GitHub Actions and Jenkins, deployed on AWS and GCP. Your bot stays fast, monitored, and online as usage grows. Why clients keep working with me: - Clear communication and predictable delivery. You always know status. - I think about cost, latency, and maintenance, not just "does it work today." - Clean, documented, handoff-ready code your team can build on. If you need a conversational AI product or a Python backend built right the first time, send me a message with what you are trying to achieve. I will tell you honestly how I would approach it and what it takes. Available for both fixed-scope projects and ongoing engagements. Skills Conversational AI, Chatbot Development, Python, FastAPI, LangChain, Rasa, Dialogflow, LLM, RAG, NLP, DevOps, Docker, Kubernetes, CI/CD, AWS, GCP, Twilio, WebSockets, Redis, API

🇺🇸Reston, United States$80/hr100% JSS4.98 (62)Since Sep 2012

Earnings and projects

MRR
$5.9k

Last 6 months ÷ 6

World#3,949 / 412k
🇺🇸Country#1,422 / 62.1k
Revenue, last 30 days
$8.9k

Last 6 months: $36k

World#1,842 / 412k
🇺🇸Country#801 / 62.1k
Total earnings
$812k

Billed in all: $829k

World#951 / 412k
🇺🇸Country#400 / 62.1k
Per project
$9.6k

$7.1k in the last 6 months

World#16,822 / 412k
🇺🇸Country#2,844 / 62.1k
Projects, last 6 months
5
20% fixed80% hourly
World#41,746 / 412k
🇺🇸Country#5,872 / 62.1k
Projects in all
85

Across 131 contracts

28% fixed72% hourly
World#34,169 / 412k
🇺🇸Country#5,357 / 62.1k

Earnings, last 30 days

$829k+$8.9k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$815k$820k$825k$830kOct 8Oct 23Nov 7

Skill rankings: Top 0.44% in Data Mining

Top 1% in 3 of 15 skills, ranked by MRR among everyone on Upwork with the skill.

  1. #8Amazon MWS129 freelancers · 🇺🇸 #3Top 6%
  2. #21Ruby965 freelancers · 🇺🇸 #5Top 2%
  3. #34Scripting2,145 freelancers · 🇺🇸 #12Top 2%
  4. #36Ruby on Rails1,811 freelancers · 🇺🇸 #12Top 2%
  5. #40Data Mining9,150 freelancers · 🇺🇸 #14Top 0.44%
  6. #43Golang2,195 freelancers · 🇺🇸 #8Top 2%
  7. #65Software Architecture & Design1,465 freelancers · 🇺🇸 #10Top 4%
  8. #86C++4,442 freelancers · 🇺🇸 #22Top 2%