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sadman_2022

Sadman Sakib

@sadman_2022

Full Stack Application Developer

Bangladesh
English, Bengali, Hindi
About me
Hi! I’m Sadman, a Full Stack Developer with 3+ years of experience.I specialize in React, Next.js, JavaScript, Node.js, Mongodb, SQL, PHP, Python, AWS, Stripe, & AI driven development. I also work with Firebase, Tailwind, Express, REST APIS, GraphQL, MySQL, WebSockets, Git, & third-party integrations. I’ve served clients across eCommerce, education, telecom, healthcare, & more. Let’s discuss your project in a friendly, and collaborative environment!... Read more

Skills

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sadman_2022
Sadman Sakib
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will develop custom web application
From$60 / projectMore details
Full Stack Web Applications
I will develop payment gateway with stripe and next js
From$50 / projectMore details

Work experience

CompileQ

Full Stack Developer

CompileQ • Full-time

Jul 2025 - Present • 1 yr 3 mos

Architected backend system for Qamla job marketplace. Optimized external job API integration reducing per-request cost by 70% through intelligent caching and batching. Designed database schema handling concurrent load. Contributed to frontend features collaboratively with the frontend developer. Developed an email server to send bulk email to users using nodemailer and AWS SES service.

Alchemy

Software Engineer

Alchemy • Full-time

Apr 2022 - Jan 2025 • 2 yrs 9 mos

Designed real-time chat system architecture using Socket.io and MongoDB. Implemented WebSocket connection pooling to handle concurrent users efficiently. Built bulk SMS sender integrating Twilio API with rate limiting and retry logic to handle API throttling gracefully. I also made a website in Next.js for this app. I have developed a bulk SMS sender application integrating twilio api & socket io.