Abdul Mannan

@devmannan
5,0(22)

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
Certaines informations sont présentées en anglais.
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. ... Plus d’infos

Compétences

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devmannan
Abdul Mannan
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Sites web IA & Logiciel
I will develop ai saas app ai chatbot ai web app ai agent ai application developer
5,0(10)
Automatisations et agents
I will be generative ai ml llm ai agent ai chatbot python and full stack developer
5,0(7)

Portfolio

Expérience professionnelle

Fiverr

AI Lead / Full Stack Engineer

Fiverr • Indépendant

Feb 2019 - Present7 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 Avis
5,0

(22)
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Détails de la notation
  • Niveau de communication avec le freelance
    5
  • Qualité de la livraison
    5
  • Valeur de la livraison
    5
1 à 5 avis sur 22
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Les plus pertinents
    W

    willardadk

    Client récurrent

    US

    États-Unis

    5

    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.

    Jusqu’à 50 $US

    Prix

    7 jours

    Durée

    gig

    Sites web IA & Logiciel

    Utile?
    Oui
    Non
    D

    daviskyle1

    Client récurrent

    US

    États-Unis

    5

    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...

    Jusqu’à 50 $US

    Prix

    7 jours

    Durée

    gig

    Applications Web Full stack

    Utile?
    Oui
    Non
    L

    lucasmason818

    Client récurrent

    FR

    France

    5

    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.

    Jusqu’à 50 $US

    Prix

    3 jours

    Durée

    gig

    Automatisations et agents

    Utile?
    Oui
    Non
    A

    anitakupka

    CA

    Canada

    5

    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

    Jusqu’à 50 $US

    Prix

    7 jours

    Durée

    gig

    Automatisations et agents

    Utile?
    Oui
    Non
    C

    chaichan25

    Client récurrent

    GB

    Royaume-Uni

    5

    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.

    Jusqu’à 50 $US

    Prix

    7 jours

    Durée

    gig

    Sites web IA & Logiciel

    Utile?
    Oui
    Non