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Resume

Senior Software Engineer and Lead Engineer. 8+ years across backend platforms, multi-tenant SaaS, distributed systems, cloud infrastructure, and AI applications.

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Experience

  1. Senior Software Engineer · Lead Engineer · RoBenDevs

    Jan 2026 - present

    Lead backend engineering, architecture, and engineering standards for enterprise SaaS. Design AI agent and RAG architectures with tenant isolation and permission-aware retrieval, and provider-agnostic LLM integrations (OpenAI-compatible, Claude, Ollama, local models). Mentor engineers and run production incident analysis.

  2. Software Engineer IV · Lead Engineer · RoBenDevs

    Jan 2025 - Dec 2025

    Led backend and selected DevOps initiatives for data-driven SaaS platforms: scalable APIs, async workers, multi-tenant data models, event-driven workflows, clean-architecture boundaries, automated delivery pipelines. Prototyped AI-assisted workflows and local LLM services.

  3. Software Engineer III · RoBenDevs

    Sep 2023 - Dec 2024

    Designed APIs, microservices, and system architecture for enterprise applications. Built backend workflows with PostgreSQL, Redis, Elasticsearch, RabbitMQ, S3-compatible storage, and Kubernetes, plus CI/CD and production observability.

  4. Backend Engineer · Monstarlab

    Dec 2021 - Aug 2023

    Built and maintained backend applications and APIs with Node.js, TypeScript, NestJS, and cloud services: auth, integrations, background jobs, automated tests, structured logging, and production support.

  5. Software Engineer · Evaly

    Jan 2021 - Aug 2021

    Developed microservices across eValy, eFood, eLogistics, eHealth, and Flight Expert: order processing, merchant management, and airline-provider services with Node.js, Python, Golang, MongoDB, RabbitMQ, NATS, and Kubernetes.

  6. Software Engineer · Virtue5

    Feb 2018 - Dec 2020

    Web and mobile applications for client projects with Node.js, React, React Native, Laravel, MongoDB, AWS, WebRTC, and Twilio Video.

Selected projects

  • Local AI Agent Platform - local-first AI environments with Ollama, llama.cpp, vLLM, ChromaDB, JWT-protected gateways, and OpenAI-compatible endpoints
  • LocalLens - multi-agent business discovery: intent extraction, multi-source search, review aggregation, and grounded summarization with LangChain, LangGraph, and Ollama
  • Multi-Tenant Pricing & Indexation Platform - organization-scoped spreadsheet ingestion, PostgreSQL storage, RabbitMQ workers, and audit history
  • Audit Log SaaS & Notification Platform - event ingestion, Elasticsearch audit search, email/SMS/push delivery with retries and npm client packages
  • Under-Vehicle Scanning System - computer-vision pipeline: feature detection, homography estimation, and panoramic stitching

Education, awards, languages

  • MSc, Information Technology - Jahangirnagar University (2017 - 2018)
  • BSc, Food Process Engineering - Hajee Mohammad Danesh University of Science and Technology (2008 - 2015)
  • First Runner-up - Microsoft Imagine Cup 2011 Bangladesh
  • Publication - "Performance Evaluation of Small Scale Energy Efficient Mixed Flow Dryer for Drying of High Moisture Paddy"
  • Languages - Bangla (native), English (professional working proficiency)