Summary
Overview
Work History
Education
Skills
Timeline
ZAHEDUL ALAM

ZAHEDUL ALAM

Mirpur DOHS, Dhaka

Summary

Lead Backend Engineer with 10+ years of experience working on SaaS products, video streaming platforms, petroleum data systems, and food delivery apps. Skilled in microservices, cloud-based systems, and real-time applications using NestJS, Node.js, Python, AWS, and modern databases. Experienced in leading teams, improving performance, and connecting third-party systems to deliver reliable solutions.

Overview

14
14
years of professional experience
4
4
years of post-secondary education

Work History

Lead Software Engineer

Flarie
Dhaka, Bangladesh
07.2023 - Current
  • Migrated 12+ microservices from Node.js 14 to Node.js 20 in 4 weeks, fixing security issues, boosting performance, and reducing developer effort; improved build time by 20×.
  • Built 12+ CRM integrations (HubSpot, Mailchimp, Salesforce, Zoho, etc.), reducing sales team workload by 5%. Applied Strategy and Factory patterns to streamline development, cutting integration time down to ~2 days.
  • Added multilingual support and standardized database design, improving NPS by 20% and reducing language-related support tickets.

Software Development Engineer II

Craftsmen
Dhaka
12.2020 - 06.2023
  • Collaborated with architects to optimize DAZN’s live sports streaming platform, implementing fixes and performance improvements that boosted streaming efficiency by 3% and enhanced user experience.
  • Automated repetitive tasks with Python scripts, improving developer productivity by approximately 20%.

Lead Application Engineer

iDare Bangladesh
Dhaka
05.2020 - 11.2020
  • Led development of the iDare Engine using Python, Django, FastAPI, PostgreSQL, and RabbitMQ.
  • Set up AWS infrastructure (EC2, Lambda, Databases) and automated deployments with Ansible, enabling first production release.

Sr. Software Engineer

Portonics Technology Consultant
Dhaka
03.2019 - 05.2020
  • Enhanced Portwallet gateway with a subscription model and merchant features, boosting recurring revenue by 20%.

Sr. Software Engineer

Inovio LLC
Dhaka
10.2015 - 02.2019
  • Launched two food delivery platforms (Urbanchef – Dubai, Akly – Qatar) with iOS apps.
  • Urbanchef: Developed with MeteorJS and MongoDB, enabling real-time order updates and smooth restaurant–customer workflows.
  • Akly: Built with ExpressJS, ReactJS, MongoDB, and PubNub for real-time communication and order tracking.

Sr. Software Engineer

Workspace Infotech
Dhaka
06.2013 - 06.2015
  • Improved system reliability by integrating Sentry, identifying memory leaks, and fixing critical issues, reducing crashes from 2–3 per week to zero.
  • Streamlined developer onboarding, cutting environment setup from 7 days to under 1 hour and improving team productivity.

Software Engineer

Bengal Solutions Limited
Dhaka
06.2011 - 05.2013

Education

Bachelor of Science - Computer Science and Engineering

International Islamic University Chittagong, Dhaka, Bangladesh
03.2007 - 05.2011

Skills

Programming & Frameworks

  • JavaScript, TypeScript, Nodejs, NestJS, Expressjs
  • Python, Django

Databases

  • DynamoDB, MongoDB
  • MySQL, PostgreSQL, MongoDB
  • Redis, RabbitMQ

Cloud & DevOps

  • AWS (EC2, Lambda, S3, RDS, DynamoDB, Docker, CloudWatch, SNS/SQS, Step Function, etc)
  • Terraform (IaC), Ansible
  • Jenkins CI/CD, Git

Architecture & Design

  • Microservices architecture
  • Strategy and factory patterns
  • Real-time systems (PubNub, WebSockets)
  • Database design and optimization

Other

  • Team leadership and cross-functional collaboration
  • Performance optimization and scalability
  • Multilingual system support
  • CRM integrations (HubSpot, Salesforce, Mailchimp, Zoho, Klaviyo, Brevo, Apsis, etc)
  • Jira, Confluence, Datadog

Timeline

Lead Software Engineer - Flarie
07.2023 - Current
Software Development Engineer II - Craftsmen
12.2020 - 06.2023
Lead Application Engineer - iDare Bangladesh
05.2020 - 11.2020
Sr. Software Engineer - Portonics Technology Consultant
03.2019 - 05.2020
Sr. Software Engineer - Inovio LLC
10.2015 - 02.2019
Sr. Software Engineer - Workspace Infotech
06.2013 - 06.2015
Software Engineer - Bengal Solutions Limited
06.2011 - 05.2013
International Islamic University Chittagong - Bachelor of Science, Computer Science and Engineering
03.2007 - 05.2011

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ZAHEDUL ALAM