MasteringBackend Engineering & Scale.

Hi! I'm Abu Sadat Md. Sayem. a software developer from Bangladesh. Currently working as a Senior Software Engineer at bKash Limited.
I have 6.5+ years of scalable software design and development experience. During this time, I have developed applications on different verticals including Fintech, Messaging, Audio/Video streaming, EdTech, HealthTech and so on.

Abu Sadat Md. Sayem
Building solutions for companies like ✨

Professional Journey

Creating impact through code, one commit at a time.

June 2023 - Present

bKash Limited

Senior Engineer, Software Development, Research & Engineering

Working on secure backend solutions to support bKash's Visa Add Money feature, designed for scalability.

JavaSpring BootDynamoDBRedisMavenDocker
June 2022 - May 2023

Durbin Labs Ltd.

Senior Software Engineer

Developed scalable Learning Management Systems and Telemedicine applications with cutting-edge technology

Led a web team in developing and maintaining web applications consisting of 4 developers.

GoNode.jsTypeScriptNest.jsExpress.jsWebSocketsReact.jsMongoDBRedisDockerAWSNGINX
March 2021 - May 2022

TigerIT Bangladesh Ltd.

Software Engineer

Built a modern enterprise video communication cloud platform with cutting edge technology

PythonNode.jsPython-FlaskMQTTReact.jsPostgreSQLRedisCeleryTwilioVoIP
September 2019 - February 2021

Durbin Labs Ltd.

Software Engineer

Built next-generation cloud solutions for the international market.

Actively involved in full-stack development in cloud platforms using Node.js, Vue.js, and WebRTC.

Node.jsExpress.jsWebSocketsVue.jsMongoDBRedisReact.jsAWSNGINX

Technical Arsenal

Tools and technologies I use to bring ideas to life.

Go
Go
5 years
AWS
AWS
3 years
Node.js
Node.js
5 years
Git
Git
5 years
React
React
3 years
JavaScript
JavaScript
5 years
Express.js
Express.js
5 years
Problem Solving
Problem Solving
700+ solved
Docker
Docker
5 years
MongoDB
MongoDB
5 years
PostgreSQL
PostgreSQL
3 years
Redis
Redis
5 years
TypeScript
TypeScript
2 years
DS & Algo
DS & Algo
6 years
Python
Python
3 years
Flask
Flask
1 year
WebSocket
WebSocket
5 year
Nginx
Nginx
5 years
HTML
HTML
5 years
CSS
CSS
5 years
Linux
Linux
5 years
Nest.js
Nest.js
2 year

Featured Projects

A selection of projects that showcase my engineering capabilities.

💳

Card Platform

Engineered RESTful APIs for bKash wallet fund addition and card management.

JavaGoDynamoDBSpring Boot+4
🔍

Intentify

AI-Powered Product Search & Recommendation API.

FastAPIPythonPostgreSQLSQLAlchemy+5
📝

Notion Todo CLI

A Go-based CLI for managing Notion todos directly from the terminal.

GoPromptUIBubble TeaCobra+1
🏥

eDoktor

eDoktor is a telemedicine platform that connects patients with doctors

Node.jsTypeScriptNest.jsMongoDB+6
💬

CommChat

A multiplatform supported video communication application.

Python-FlaskReact.jsMQTTRedis+3
🎓

RetinaLMS

An admission coaching-centric scalable learning management system.

Node.jsExpress.jsMongoDBRedis+8