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devmannan

Abdul Mannan

@devmannan
5,0(5)

Level 1

Expert Agentic AI, Langchain, GenAI, N8N, RAG, LLM, Full Stack Engineer

Paquistão
Espanhol, Inglês, Chinês, Japonês, Alemão, Francês, Holandês, Italiano, Sueco, Árabe, Norueguês, Dinamarquês
Algumas informações são exibidas no idioma inglês.
Sobre mim
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. ... Saiba mais

Habilidades

d
devmannan
Abdul Mannan
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Aplicações Web Full Stack
I will develop full stack web app using react js next js node js express js
5,0(1)
Automações e Agentes
I will be generative ai ml llm ai agent ai chatbot python and full stack developer
5,0(1)

Portfólio

Experiência profissional

Fiverr

AI Lead / Full Stack Engineer

Fiverr • Autônomo

Feb 2019 - Present7 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 Avaliações
5,0

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Classificação detalhada
  • Nível de comunicação do freelancer
    5
  • Qualidade da entrega
    5
  • Valor da entrega
    5
1-5 fora das 5 avaliações
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    M

    mary_gonzales1

    US

    Estados Unidos

    5

    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.

    Até US$ 50

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    6 dias

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    Útil?
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    D

    daviskyle1

    US

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    5

    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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    4 dias

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    image-docs

    amin8698

    US

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    5

    Vet professional, easy to communicate & finish task on time.

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    mahraalfalasi

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    AE

    Emirados Árabes Unidos

    5

    Well experienced, and delivered fast and exactly what I needed, recommended

    Útil?
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    arslan_amin

    PK

    Paquistão

    5

    Great communication skills and did the required work. Highly recommended

    Imagem de amostra
    Útil?
    Sim
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