MUTASIM

Mutasim Billah Toha

Software Engineer

Dhaka, Bangladesh

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About

Software Engineer with experience in React, Python, .NET, and Angular. Passionate about data-driven software engineering and solving complex problems. Graduated from Shahjalal University of Science & Technology with a Bachelors degree in Software Engineering.
Dhaka, Bangladesh Software Engineer [email protected] +880 1534-771222
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More about my journey

Experience

Software Engineer

Optimizely · Dhaka, Bangladesh · Mar 2024 — Present
  • Architected Adaptive Block, a JSON-based framework enabling AI chat tools to display interactive forms across web, Teams, Slack, and mobile
  • Developed a React SDK enabling AI suggestions across 8 projects via declarative Surface wrappers, integrated with Optimizely Opal
  • Built Frontend Design System with 50+ accessible components (React, Radix UI, Vanilla Extract) supporting WCAG 2.1 AA-first practices

Associate Software Engineer

Orbitax · Dhaka, Bangladesh · Mar 2022 — Feb 2024
  • Developed a module enabling consultants to deliver customized client solutions; cut delivery time by 57% (.NET, Angular, MongoDB)
  • Designed a data-mapping algorithm that reduced mapping time from 2 hours to 10 minutes (.NET, Angular, MongoDB)
  • Launched a real-time client support platform reducing complaint resolution time from 3 days to 1 day

Junior Software Engineer

Orbitax · Dhaka, Bangladesh · Sep 2021 — Feb 2022
  • Migrated legacy .NET endpoints to a Gin-based Go service, improving API response times by 30%
  • Implemented a custom ORM in Go with MongoDB integration, cutting query time by 30%

Where I've worked

Skills

Languages

TypeScriptJavaScriptPythonC#GoJavaC++SQL

Frontend

ReactNext.jsAngularRadix UIVanilla ExtractTailwind CSS

Backend

Node.js.NETExpress.jsGinFlaskPython

Cloud & DevOps

AWSGCPDockerVercelGitHub Actions

Databases

MongoDBMySQLSpannerPostgreSQLRedisRabbitMQ

Tools & Other

GitHubDatadogSegmentOpenSearchDockerJiraJenkins

What I know

Projects

Axiom Design Library

An accessible React component library designed with accessibility as a core principle. Focused on efficiency, clear APIs, and comprehensive documentation for streamlined UI development.

ReactTypeScriptAccessibilityStorybook

Vizualgo

An interactive, educational web app that visualizes popular sorting algorithms in real-time with color-coded states, detailed descriptions, complexity analysis, and customizable inputs.

ReactTypeScriptFramer Motion

Project-X

Designed order lifecycle, admin dashboard, and role-based access for a local delivery platform.

MERN Stack

Prepare Yourself

Android GRE prep app with offline vocabulary practice and pronunciation drills.

Android

URL Shortener

Basic URL shortener using domain-driven design with hash-based short URLs.

.NETReact

What I've built

Achievements

Certifications

Algorithmic Toolbox

Mastered essential algorithmic techniques for designing efficient algorithms, solving complex problems, and implementing reliable solutions for real-world scenarios and technical interviews.

Namaste React

Comprehensive React course covering advanced concepts, best practices, and performance optimization techniques for building modern web applications.

Competitive Programming
CodeForces
500+
UVa
150+
CodeChef
70+
HackerRank
100+

What I've achieved

Education

Shahjalal University of Science & Technology (SUST)

Sylhet, Bangladesh · Jan 2018 — Jan 2023

B.Sc. in Software Engineering

CGPA: 3.43 out of 4.00

IELTS Academic

CEFR C1
Listening8
Reading8.5
Writing6.5
Speaking6.5
Overall: 7.5

Where I studied

Contact

[email protected]+880 1534-771222WebsiteLinkedInGitHub

Get in touch