Bangla Trac Group

Responsibilities

• Design and maintain CI/CD pipelines to automate build, test, and release cycles, improving delivery speed and consistency across teams.
• Reduced deployment time by 70% through automation of CI/CD pipelines using Jenkins and GitLab CI.
• Implement and manage Infrastructure as Code (IaC) with Terraform to provision and version cloud resources.
• Dockerize applications and deploy to Kubernetes using Helm and ArgoCD, enabling GitOps-based, auditable releases.
• Manage 100+ Docker containers and 20+ EC2 instances across production and staging environments.
• Drive cost-optimization initiatives across EC2, S3, and RDS, reducing monthly AWS spend by 30% through rightsizing and resource cleanup.
• Monitor system performance and lead troubleshooting of production incidents, achieving 99.9% uptime for critical systems.
• Partner with development teams on database migrations and application architecture, improving system reliability and reducing production incidents by 25%.
• Embed security practices across the development lifecycle, including secrets management and access control.
• Mentor junior engineers on DevOps best practices and lead cross-functional teams to align infrastructure decisions with business goals, improving deployment efficiency by 15%.

Bangla Trac Group

Responsibilities

• Utilized AWS cloud services and DevOps practices to streamline and secure application deployments.
• Planned and delivered RESTful APIs with JWT-based authentication and authorization, securing 30+ endpoints against unauthorized access.
• Developed and enhanced applications using the Laravel PHP framework, with front-end interfaces in Vue.js and jQuery.
• Managed and streamlined MySQL databases, ensuring data integrity while reducing average query response time by 25%.
• Deployed Firebase push notifications with secure communication and data handling, improving user re-engagement by 20%.
• Hardened application security through environment configuration, secret management, and access controls.

Silicon Orchard Ltd

Responsibilities

• Administered and scaled AWS cloud services to improve availability and reliability.
• Created and executed RESTful APIs for system integration and external communication, connecting 10+ partner systems.
• Incorporated GPS tracking devices with backend systems for real-time data processing.
• Engineered real-time communication features using PHP Sockets (ReactPHP), reducing message latency by 30%.
• Maintained and extended applications built with CakePHP, CodeIgniter, and Laravel.

Nexdecade Technology Ltd

Responsibilities

• Developed 10+ applications following the MVC architectural pattern, integrating seamlessly with Oracle Database to support 500+ concurrent users.
• Improved application performance through refined database design and query tuning, cutting average page load time by 20%.
• Built responsive front-end interfaces using Bootstrap, jQuery, HTML5, and CSS3.
• Blended Google Maps and Firebase into the application to extend functionality and user experience.

Global Star Ltd

Responsibilities

• Collaborated on requirement analysis with stakeholders to define application behavior, user experience, and system design.
• Applied modular web solutions using the CodeIgniter PHP framework, following MVC principles to accelerate feature delivery.
• Structured and refined database schemas and queries, improving query performance by 30% and strengthening data integrity.
• Created responsive front-end interfaces to enhance usability and cross-device consistency.
• Debugged and resolved application issues through structured testing and code review.
• Documented technical specifications and coordinated with team members to ensure consistent coding standards.

SureSoft Technology Ltd

Responsibilities

• Translated business requirements into well-planned, user-centric web applications, delivering 15+ client projects through structured analysis and collaboration.
• Built and maintained backend functionality using the CakePHP framework.
• Crafted responsive, accessible front-end interfaces, improving usability and cross-browser compatibility across 5+ major browsers.
• Partnered on SQL database integration and optimization to ensure data integrity and performance.
• Delivered content-driven, customizable web solutions using WordPress.
• Participated in code reviews and testing cycles to maintain application quality prior to release.
• Provided ongoing maintenance and bug fixes for deployed applications based on client feedback.

Cloud Platforms

AWS

Azure

EC2, S3, RDS, ALB, IAM, VPC

Containers & Orchestration

Docker

Kubernetes

Helm

Docker Compose

Kustomize

GitOps & CI/CD

ArgoCD

GitLab CI

GitHub Actions

Jenkins

Infrastructure as Code

Terraform

Ansible

Monitoring & Observability

Prometheus

Grafana

ELK Stack

CloudWatch

Datadog

Security & DevSecOps

Vault

IAM & RBAC, Consul, Secrets Management, Security Hardening

SRE Practices

Incident Management, Root Cause Analysis, Site Reliability Engineering (SRE), On-Call Troubleshooting

Networking

Nginx

TCP/IP, DNS, HTTP/HTTPS, VPC, SSL/TLS, Load Balancers

Scripting & Languages

Bash

Python

PHP

Go

Java

C

C++

Databases & Messaging

MySQL

PostgreSQL

MongoDB

Oracle

Redis

RabbitMQ

ClickHouse

Frameworks

Laravel

CakePHP

CodeIgniter

Vue.js

Symfony

Version Control & Collaboration

Git

GitHub

GitLab

Bitbucket

Slack

Trello

SVN, ClickUp

APIs & Integration

RESTful API Design, JWT & OAuth2 Authentication, WebSockets (ReactPHP), Firebase Cloud Messaging, Google Maps API

Frontend & CMS

HTML5

CSS3

Bootstrap

jQuery

WordPress

SASS

AJAX, LESS

Development Tools

PhpStorm, NetBeans, Visual Studio, MySQL Workbench, HeidiSQL