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Experience

Hasibul Islam

Senior full-stack engineer. Backend, LLM/RAG, and production Node.js.

© 2026 Hasibul Islam. All rights reserved.

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Experience

Experience

Companies I've shipped for and the shape of the work in each. Promotions at the same company stack under one card.

ZMC Technologies Limited
- Mar 2026 to Present
  Senior Backend Architect
  Dhaka, BangladeshOn-site
  Lead backend architecture for a multi tenant SaaS ecosystem, delivering high performance APIs, AI powered search, cloud infrastructure, CI/CD, and distributed systems across ERP, CRM, and PropTech platforms.
- Sep 2025 to Mar 2026
  Senior Software Engineer, Backend
  Dhaka, BangladeshOn-site
  Served as the sole backend engineer across three SaaS products, building scalable APIs, microservices, background workers, cloud infrastructure, and CI/CD with NestJS, PostgreSQL, Kafka, RabbitMQ, BullMQ, and Docker.
WeWise
- Apr 2024 to Sep 2025
  Backend Lead
  Tel Aviv, IsraelRemote
  Led backend engineering for a WhatsApp marketing and CRM platform, building scalable messaging, lead automation, real time delivery, secure media storage, CI/CD, and cloud infrastructure with Node.js, Express, MongoDB, Redis, and Twilio.
Zubion Group
- Sep 2024 to Jul 2025
  Full-Stack Delivery Lead
  Dhaka, BangladeshHybrid
  Led end to end delivery of a real estate platform, owning backend architecture, CI/CD, cloud deployment, CRM, GraphQL APIs, payments, and multi channel communication with NestJS, Next.js, Prisma, AWS, and Docker.
Prokken Inc.
- Jan 2021 to Mar 2025
  Founder & Principal Engineer
  Dhaka, BangladeshRemote
  Founded and led Prokken, delivering full-stack SaaS for international clients while owning backend architecture and technical delivery. Built two SaaS products acquired by US companies in 2025, with details protected under NDA.
MessageMind
- Mar 2023 to Feb 2024
  Senior Backend Engineer
  Via Durazzo, ItalyRemote
  Built and scaled backend services for an AI powered customer communication platform, delivering real time messaging, microservices, AI integrations, workflow automation, payments, and enterprise security.

Experience · Hasibul Islam