Mahamudul Hasan Mithhu

Skyscanner — Software Engineer 2

August 2026 - Present

Agoda — Senior Software Engineer (Frontend / Full-Stack)

September 2025 - July 2026

• Developed user-facing React and TypeScript applications, covered by Playwright E2E tests, for a white-label partner integration platform (RocketMiles, Citi Bank).
• Developed scalable backend services using Node.js and .NET/C# powering frontend functionality.
• Migrated frontend build from Webpack to Rspack, achieving 3.5x faster builds (70s → 20s) and 35% smaller bundles with sub-second hot reloads via a dual-bundler CI/CD pipeline.

Axi Trading — Software Development Engineer II

February 2024 - August 2025

• Led the development of the onboarding flow for the Axi Trade site using React, TypeScript, and Tailwind CSS, achieving a 20% faster load time and ensuring a seamless, responsive UX across devices.
• Implemented BFF pattern using Auth0 for authentication and authorization, enhancing security and efficiency by providing a dedicated backend that handles client-specific logic and API orchestration.

Innovations Group — Software Engineer

October 2022 - January 2024

• Developed and maintained an Instant Messenger app for Windows and macOS, achieving a milestone of 100K+ daily logins using WebSocket, React, Redux Toolkit, Electron.js, and SQLite.

Pluang — Senior Software Engineer

November 2021 - October 2022

• Built a chat site and mobile app using GetStream API, React and implemented spam prevention features that led to a 10% increase in daily active users, higher retention, and reduced spam reports.

Evaly — Software Engineer

June 2020 - October 2021

• Led integration of multiple rider services, resulting in a 30% revenue increase.

TiGrow — Junior Software Engineer

August 2019 - February 2020

• Developed a productivity tool, including task management, project timelines, file sharing, and team communication tools, enhancing work organization and collaboration.

Circle Fintech — Software Engineer Intern

March 2019 - July 2019

• Developed a local payment gateway system for a commercial bank using React, Redux, and React Router.