I'm Md. Abu Zahid — a Senior Full-Stack Engineer & Solutions Architect with 7+ years building scalable SaaS and enterprise systems in Laravel, React, and AWS DevOps. I'm now an AI-native builder too: agents, RAG, vector databases, and LLM automation (cloud and local Ollama). Because I own the full stack — cloud infrastructure, backend architecture, and frontend — I deliver intelligent products end-to-end, not just prototypes.
I design AI systems the way a senior engineer should — with guardrails, cost control, and a human in the loop. My agents don't push to main; my RAG systems are budget-aware; my LLM features degrade gracefully when an API is down.
Understand the goal, data, and constraints. Define what "done" looks like.
Architecture for the AI layer — model choice, retrieval, agents, guardrails.
Ship iteratively with working demos you can test at every stage.
Cost controls, monitoring, docs, and deployment — ready for real users.
Leading architecture, backend, and DevOps across SaaS, fintech, banking, and government systems.
May 2023 – Present
Sep 2018 – Apr 2023
Mar 2018 – Sep 2018
Full-stack product engineering, cloud DevOps, and AI — pick a problem and I'll solve it end-to-end.
Production web apps and SaaS platforms with Laravel, React, Next.js & Vue — REST APIs, system design, and scalable architecture.
AWS / DigitalOcean setup, Docker, and CI/CD pipelines (Jenkins, GitHub Actions) for reliable, high-uptime deployments.
Support bots, internal knowledge assistants, and Q&A over your documents — with vector search and grounded, accurate answers.
Autonomous agents that use tools, follow workflows, and complete real tasks — single agents or coordinated multi-agent teams.
Add AI to your existing app — summarization, scoring, classification, image understanding, extraction, generation — using OpenAI, Claude, OpenRouter, or local Ollama models.
Resume screening, candidate ranking, and automated interviews with transcription and structured scoring.
n8n flows, Telegram bots, and browser extensions that capture leads, route data, and run hands-off processes.
Internal AI tools, dev-automation bots, and chat-driven operations to make your team faster.
Tell me what you want to automate or build. I'll reply with a clear plan and an honest estimate — and we can start small to prove it works.