Mushfiqur Rahman Shishir
Principal Software Engineer, Architect of Scalable, Business-Driven Solutions!
I design and deliver high‑impact software that bridges complex technical challenges with clear business outcomes. With deep expertise in Web Applications and REST API—spanning Node.js, JavaScript, TypeScript, React, .NET Core, JAVA, and PHP Laravel—I specialize in building robust, scalable, and user‑centric platforms that stand the test of scale and change.
Over the past decade, I've led projects across e‑commerce, finance, insurance, and telecommunications, blending strategic vision with hands‑on engineering excellence. I thrive in fast‑moving environments, foster collaboration across diverse teams, and translate intricate technical concepts into actionable insights for stakeholders.
My work consistently drives measurable results—whether optimizing performance, enabling new revenue streams, or delivering mission‑critical systems that power business growth.
Work Experiences
Principal Engineer
Since August 2024, I have been part of AGT Software Partners, collaborating on multiple high‑impact projects across cross‑functional teams to drive innovation and deliver business‑aligned solutions.
Principal Software Engineer
Served as Principal Software Engineer at AsthaIT aka AIT (Mar 2023 – Aug 2024), embedded within Banglalink Digital as an augmented resource, leading the design and delivery of scalable web applications and REST APIs. Collaborated closely with cross‑functional teams to align technical solutions with business goals, optimize system performance, and ensure timely delivery of high‑impact digital initiatives.
Senior Software Engineer
Senior Software Engineer
I worked as a Full Stack Developer for NinetyPercent since October 2018 to February 2020. Prior to that, I worked as a Frontend Engineer on Buying House Management System from Feb 2018 to Sep 2018.
Software Engineer
I started as a Fresher Software Developer at Codemen. I learned a lot about Web Application Development using ASP.NET MVC, NodeJs and ReactJS. My responsibility varied from facing clients meeting to turn clients idea into business applications.
KEY Projects
MyBL CMS
It's been more than a year working with Banglalink, and partly led a team of Engineers responsible for the Content Management System of the MyBL App for Banglalink Digital. My role involves actively participating in development and managing all stages of the Software Development Life Cycle, from initial requirement gathering to final product delivery.
Key Contributions
- Component Architecture Design: Designed and implemented reusable and maintainable component libraries to streamline development and improve code consistency.
- Performance Optimization: Identified and resolved performance bottlenecks, optimizing React applications for faster load times and smoother user experiences.
- State Management: Expertly managed state using Redux, MobX, or Context API to ensure predictable and maintainable application state.
- Code Reviews and Mentorship: Conducted thorough code reviews to maintain high code quality and mentored junior developers to enhance team productivity and skill levels.
- Migration Projects: Led and executed migration projects from older frameworks or legacy code bases to modern React-based architectures, improving maintainability and scalability.
TaxRise
I worked on Client Portal, Admin Portal, Verifilink, and Lead Form of TaxRise.
Key Contributions
- Handling authentication on Frontend Applications
- Implemented User requested features on Client Portal
- Created Dashboard on Admin Portal
- Developed the Lead Form
PremiseSAAS
PremiseSAAS is a Saas platform for Real estate agencies to manage all their properties at one place. I worked on the frontend during the days at Codemen.
Key Contributions
- Initial project setup for React app
- Choosing CSS framework
- Creating Actions and Redux store
- Sampling Module implementation
- Orders Module implementation
- Writing REST API in ASP.NET Core
Buying House Management
I have worked on the frontend of the Buying House Management which handles orders and samples from marchandisers of Echo Sourcing.
Key Contributions
- Bootstrapping the project
- Designing Reusable UI components
- Creating Actions and Redux store
- Sampling Module implementation
- Orders Module implementation
NINETYPERCENT
I have worked as a Frontend Engineer for NINETYPERCENT.COM which is an E-commerce for a UK based clothing label. My daily responsibilities included reviewing UX provided by the designer, checking all the requirements with the stakeholders and turning them into code with my teammates.
Key Contributions
- Requirement collection from clients
- Reviewing the UX with the designer
- Product Details page implementation
- Cart Details page implementation
- Checkout Experience implementation
- Dividing large UI components into smaller React components