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Fiverr Pro
Nederlands
$
USD
Abdul Mannan
@devmannan
Level 1
Expert Agentic AI, Langchain, GenAI, N8N, RAG, LLM, Full Stack Engineer
Pakistan
Spaans, Engels, Chinees, Japans, Duits, Frans, Nederlands, Italiaans, Zweeds, Arabisch, Noors, Deens
Over mij
I am a Senior Software Engineer with 9+ years of experience in Web App Development and cutting-edge AI/LLM Integrations.
My expertise covers full stack AI development where I design, build, and deploy scalable applications while integrating advanced AI features into existing platforms.
I specialize in custom chatbots (RAG & Agentic RAGs using LangChain, LangGraph, LangFlow, LangSmith) and workflow automations with tools like n8n, Make.com, and Monday.com to simplify and optimize business processes.
Skills
Abdul Mannan
offline •
Gemiddelde reactietijd: 1 uur
Bekijk mijn diensten
AI websites & software
I will develop ai saas app ai chatbot ai web app ai agent ai application developer
Automatiseringen en agents
I will be generative ai ml llm ai agent ai chatbot python and full stack developer
Portfolio
Werkervaring
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AI Lead / Full Stack Engineer
Fiverr • ZZP
Feb 2019 - Present • 7 yrs 6 mos
Full-Stack Engineer, Solution Architect, and AI/ML Specialist with extensive experience designing and delivering scalable web platforms, cloud-native applications, and intelligent AI solutions. Full-Stack Development: React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Microservices, REST/GraphQL APIs, Event-Driven Architectures, Authentication (JWT/OAuth), Payment Integrations, Docker, Kubernetes, AWS, GCP, and Vercel. AI & Generative AI: LLM Integration (OpenAI, Claude, Gemini), RAG Systems, LangChain, LangGraph, AI Agents, Chatbots, Vector Databases (pgvector, Pinecone, Weaviate), Prompt Engineering, NLP, Computer Vision, Embeddings, and MLOps. Successfully delivered 50+ products including SaaS platforms, marketplaces, enterprise dashboards, AI assistants, e-commerce solutions, booking systems, recommendation engines, and knowledge-base chatbots for clients across North America, Europe, Asia, and Latin America. Led and mentored engineering teams of 3–30 developers, managing end-to-end product delivery from architecture and strategy to deployment and scale. Core Technologies: React, Next.js, Node.js, Python, FastAPI, LangChain, LangGraph, OpenAI API, Claude API, PostgreSQL, pgvector, Microservices, AWS.
22 Reviews
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1-5 van 22 reviews
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willardadk
Terugkerende klant
Verenigde Staten
Great Work, Technical feasibility plan was very useful and clearly explained the full talking avatar workflow, including LLM options, AI voice/TTS, lip-sync tools, computer vision role, APIs, risks, and MVP scope.
Nuttig?
daviskyle1
Terugkerende klant
Verenigde Staten
Really satisfied with the delivery. Abdul added a clean multi-provider AI integration layer for OpenAI, Claude, Perplexity, Gemini, and Grok, with reusable backend services, .env API key setup, provider switching, error handling, and fallback logic. The demo features for AI product descriptions, smart...
Nuttig?
lucasmason818
Terugkerende klant
Frankrijk
Very satisfied with the work. The LLM comparison was clear, well formatted, and covered GPT, Claude, Gemini, Llama, Mistral, and Qwen in a practical way. The recommendation was useful for deciding the right model for my AI feature, and the delivery was quick with good communication.
Nuttig?
anitakupka
Canada
The prompt review was really helpful and easy to understand. The rewritten prompts sounded much clearer and more natural, with useful suggestions for improving AI response quality and choosing the right model for my use case
Nuttig?
chaichan25
Terugkerende klant
Verenigd Koninkrijk
Really good work. The single-file Python AI news agent included RSS fetching, news categorization, OpenAI summaries, FastAPI dashboard, API endpoints, and clean error handling.
Nuttig?
