Sanjoy Kumar Das

Who Am I?

Hi I'm Sanjoy Kumar Das.

IT professional with over 16 years of experience as a Full Stack Developer, Database Administrator, and System Administrator. Skilled in delivering efficient, reliable, and scalable software solutions using Python (Flask), React JS, and SQL databases. Recently expanded expertise into Generative AI development, including integrating OpenAI APIs, LangChain, and prompt engineering into intelligent web applications. Adept at designing and deploying cloud-based, AI-driven systems that enhance automation and decision-making while supporting organizational goals.

PledgX Inc.

Full Stack Developer | Software Engineer 2022-till

Designing, building, and maintaining both frontend user interfaces using React.js and backend APIs and services using Python (Flask).
Integrating and optimizing databases (e.g., MySQL) and cloud services.
Managing server-side logic, data storage, and integration with external services.
Managing server(VM) setup, maintenance, and deployment.
Working with databases to store and access data.
Identifying and addressing performance bottlenecks in both frontend and backend.
Collaborating with UI/UX designers to translate designs into functional and visually appealing code.
Working closely with product managers, designers, and other developers throughout the development lifecycle.

Teletalk Bangladesh Limited

System Administrator | Operation Specialist 2016-2020

Performed regular maintenance, manage backups, and ensure systems are up-to-date.
Diagnosed and resolved technical issues for end-users and the overall Telecom's core infrastructure.
Monitored system performance and availability, and took steps to optimize it.
Installed, configured, and maintained hardware, operating systems (like Windows or Linux), and software applications.
Collaborated with manager to determine which data management systems to use and identify data for analysis, and IT team members on project goals.

Teletalk Bangladesh Limited

IT Analyst 2013-2016

Performed troubleshooting network and system issues.
Performed regular system updates and backups.
Assisted with data migration and recovery.
Installed, configured, and maintained hardware and software.
Managed user access and permissions.

Teletalk Bangladesh Limited

Juinor Database Administrator 2008-2013

Performed routine maintenance tasks and basic administrative duties.
Assisted with installing, configuring, upgrading, and patching database software.
Provided first-level support for user-related database queries and issues.
Monitored database performance metrics and report anomalies.
Assisted with tasks to optimize database efficiency.
Helped implement and verify backup and recovery procedures.
Maintained database systems’ security, including user access rights.

Hi! I'm Sanjoy Kumar Das

Over 16 years of experience as a Full Stack Developer, Database Administrator, and System Administrator, with a proven track record at Teletalk Bangladesh Ltd.(a state-owned mobile operator) and PledgX Inc.,Toronto,Canada

Who Am I?

My Skills

Languages & Frameworks:

Python (Flask)

JavaScript

SQL

React.js

AI & GenAI

OpenAI API

LangChain

Vector DBs (ChromaDB, FAISS)

Prompt Engineering

Machine Learning & Deep Learning:

Scikit-learn

TensorFlow

Keras

Scripting:

Python

Bash

Shell Script

Cloud Platforms:

AWS

Google Cloud Platform

Microsoft Azure

DevOps Tools:

Ansible

Git

Docker

Jenkins

GitHub

Networking:

Cisco Router

Cisco Switch

DHCP

DNS

Databases:

Oracle 11g

MySQL

MariaDB

MongoDB

Operating Systems:

Windows

Linux(Ubuntu, RedHat, CentOS)

Education

Work Experience

Full Stack Developer | Software Engineer 2022-till

System Administrator | Operation Specialist 2016-2020

IT Analyst 2013-2016

Juinor Database Administrator 2008-2013

Recent Work

Recent Certifications

Contact

Hi!
I'm Sanjoy Kumar Das