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Mainul Fahim

@mainulfahim

Frontend Engineer at Itransition who built data-dense React interfaces and an offline-sync package for a React Native app.

Bangladesh

Message

At Itransition, I built data-dense enterprise interfaces in React and TypeScript, including prioritized queues, multi-panel detail screens, and document review workflows with real-time updates. I also built and maintained a custom offline-sync package for a React Native app, handling conflict resolution and background data reconciliation.

At ERMG, I developed mobile-first product features and built parts and digital libraries alongside a project-scoped communication suite. At Avijatrik, I built a tourism web app with Next.js SSR and TypeScript; performance profiling and image optimization reduced page load times by 40%.

Experience

Work history, roles, and key accomplishments

Software Engineer — Frontend and Mobile

Itransition

Nov 2023 - Nov 2025 (2 years)

Built data-dense enterprise interfaces in React and TypeScript, including prioritized queues, multi-panel detail screens, and form-heavy workflows. Developed an offline sync package for a React Native app using Redux Toolkit, RTK Query, and MMKV.

React TypeScript Redux toolkit Redux RTK Query MMKV React Native REST APIs CI CD Jest Playwright Agile

Frontend Engineer (Part-Time)

Avijatrik

Sep 2022 - Jan 2023 (4 months)

Built the company tourism web app with Next.js SSR, TypeScript, and Tailwind CSS, including interactive dashboards and third-party REST API integration for payments. Improved responsive design and optimized rendering, reducing page load times by 40%.

Next.js TypeScript Tailwind REST APIs Performance Optimization Responsive Design

Software Development Engineer

ERMG

Dec 2021 - Nov 2022 (11 months)

Designed and developed product features using a mobile-first approach with React, Material UI, and Chakra UI. Built a Parts Library and Digital Library for modular product composition and a communication suite for real-time collaboration.

React Material UI Chakra UI Responsive Design Mobile First Development

Education

Degrees, certifications, and relevant coursework

North South University

Bachelor of Science, Computer Science and Engineering

2016 - 2020

Grade: 3.16 / 4.0

B.Sc. in Computer Science and Engineering with a CGPA of 3.16/4.0. Coursework included Machine Learning, Deep Learning, Data Structures, Algorithms, Software Engineering, OOP, and SQL.