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Abdul Mannan
@devmannan
Level 1
Expert Agentic AI, Langchain, GenAI, N8N, RAG, LLM, Full Stack Engineer
Pakistan
Spanisch, Englisch, Chinesisch, Japanisch, Deutsch, Französisch, Niederländisch, Italienisch, Schwedisch, Arabisch, Norwegisch, Dänisch
Über mich
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.
Kompetenzen
Abdul Mannan
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Automatisierungen und Agenten
I will be generative ai ml llm ai agent ai chatbot python and full stack developer
KI-Websites & -Software
I will develop ai saas app ai chatbot ai web app ai agent ai application developer
Portfolio
Arbeitserfahrung
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AI Lead / Full Stack Engineer
Fiverr • Selbstständig
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.
14 Bewertungen
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Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
1–5 von 14 Bewertungen
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daviskyle1
Wiederkehrender Kunde
Vereinigte Staaten
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...
Hilfreich?
anitakupka
Kanada
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
Hilfreich?
lucasmason818
Frankreich
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.
Hilfreich?
chaichan25
Wiederkehrender Kunde
Großbritannien
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.
Hilfreich?
mary_gonzales1
Wiederkehrender Kunde
Vereinigte Staaten
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.
Hilfreich?
