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Fiverr Pro
Français
$
USD
Abdul Mannan
@devmannan
Level 1
Expert Agentic AI, Langchain, GenAI, N8N, RAG, LLM, Full Stack Engineer
Pakistan
Espagnol, Anglais, Chinois, Japonais, Allemand, Français, Néerlandais, Italien, Suédois, Arabe, Norvégien, Danois
À propos de moi
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.
Compétences
Abdul Mannan
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Applications Web Full stack
I will develop full stack web app using react js next js node js express js
Automatisations et agents
I will be generative ai ml llm ai agent ai chatbot python and full stack developer
Portfolio
Expérience professionnelle
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AI Lead / Full Stack Engineer
Fiverr • Indépendant
Feb 2019 - Present • 7 yrs 5 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.
5 Avis
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Les plus pertinents
mary_gonzales1
États-Unis
Delivered exactly as required. The AI chatbot demo was clean, well-structured, and included FastAPI backend, RAG-style logic, OpenAI/Llama-ready setup, screenshots, and clear documentation.
Utile?
daviskyle1
États-Unis
Excellent work! Abdul delivered a clean AI-powered standalone e-commerce plugin/app with a React.js frontend, Node.js/Express.js backend, MongoDB structure, REST APIs, product listing, cart, checkout, and admin/product management. He also added OpenAI API and Claude API integration placeholders for AI...
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amin8698
États-Unis
Vet professional, easy to communicate & finish task on time.
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mahraalfalasi
Client récurrent
Émirats Arabes Unis
Well experienced, and delivered fast and exactly what I needed, recommended
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arslan_amin
Pakistan
Great communication skills and did the required work. Highly recommended
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