DevOps & Backend Engineer Portfolio

devops@engineer@portfolio:~$ cat skills.txt

⚡ Tech Stack

► Languages & Frameworks

PHP / JavaScript
Laravel / Vue.js
Node.js / Express
jQuery / Bootstrap

► DevOps & Cloud

Docker / Kubernetes
AWS (EC2, S3, VPC, SQS)
Azure VPS / DigitalOcean
GitHub Actions / CI/CD

► Databases & Messaging

MySQL / Redis
RabbitMQ / AWS SQS
Redis Pub/Sub
Database Optimization

► Monitoring & Observability

Prometheus / Grafana
ELK Stack (Elasticsearch, Logstash, Kibana)
Cloudflare / CDN
Log Analysis & Alerting

devops@engineer@portfolio:~$ cat experience.log

💼 Experience

Software Engineer

Appnap Technologies Limited | March 2022 - Present

Backend Development

Developed and optimized REST APIs using Laravel with clean architecture principles
Managed Laravel jobs and queues for background processing, improving system reliability
Implemented Redis-based caching to reduce server load and improve response times
Integrated payment gateways (SSLCommerz, bKash, Nagad) for secure transactions
Designed microservice architecture for improved scalability and maintainability

DevOps & Cloud Infrastructure

Containerized applications using Docker for consistent deployments across environments
Deployed Laravel and Node.js services on Kubernetes (Deployments, Services, ConfigMaps, Secrets)
Implemented horizontal scaling strategies for handling traffic spikes
Built CI/CD pipelines with GitHub Actions, automating build, test, and deployment workflows
Maintained production servers on Azure VPS and worked with AWS (EC2, S3, VPC)
Integrated Cloudflare for DNS management, security, and performance optimization

Messaging & Asynchronous Processing

Implemented async job processing using Laravel queues and AWS SQS
Managed RabbitMQ for reliable inter-service communication
Developed real-time notification services using Node.js and Redis Pub/Sub

Monitoring & Observability

Implemented infrastructure monitoring with Prometheus and Grafana dashboards
Configured alerts for CPU, memory, network metrics and Kubernetes cluster health
Implemented centralized logging using ELK Stack for log aggregation and analysis
Improved incident response by correlating metrics with logs for faster debugging

Junior Software Engineer

Exelon Bangladesh Limited | January 2020 - February 2022

Developed Medical College ERP system using Laravel
Built REST APIs for mobile applications
Implemented accounting systems with report generation
Collaborated on database and query optimization

devops@engineer@portfolio:~$ ls -la projects/

🚀 Projects

k8s-autoscaler

GitHub → Kubernetes Go

Custom Kubernetes autoscaler that scales deployments based on custom metrics from Prometheus. Handles 50k+ pods across multiple clusters.

⭐ 128 stars 🍴 34 forks

terraform-aws-modules

GitHub → Terraform AWS

Reusable Terraform modules for AWS infrastructure (VPC, EKS, RDS, S3). Follows best practices with security-first approach.

⭐ 256 stars 🍴 89 forks

api-gateway-microservices

GitHub → Python FastAPI Docker

Microservices architecture with API gateway, service mesh (Istio), and distributed tracing. Includes CI/CD pipeline templates.

⭐ 67 stars 🍴 23 forks

monitoring-stack

GitHub → Prometheus Grafana AlertManager

Complete observability stack with pre-built dashboards, alert rules, and Slack/PagerDuty integrations. Deployed via Helm charts.

⭐ 94 stars 🍴 41 forks

devops@engineer@portfolio:~$ cat education.json

🎓 Education

Bachelor of Computer Science

Southeast University (SEU) | 2015 - 2019

Department: Computer Science and Engineering (CSE)
CGPA: 3.37 (out of 4.00)

Higher Secondary School Certificate

Sristy College of Tangail | 2012 - 2014

Department: Science
Board: Dhaka
GPA: 4.00 (out of 5.00)

devops@engineer@portfolio:~$ cat contact.json

📡 Contact

{
  "name": "MD AL-AMIN",
  "email": "alaminhossen899@gmail.com",
  "phone": "+880 1758845299",
  "linkedin": "linkedin.com/in/alamin899",
  "github": "github.com/alamin899",
  "location": "Dhaka, Bangladesh",
  "status": "Open to opportunities"
}

./send_email.sh

> Hello!