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k4mrul/Readme.md

Hi! I'm Abdul Hannan, you can call me Kamrul 👋

Platform Engineer and AI enthusiast with 5 years of experience in Cloud, Microservices, Linux, and Kubernetes.


🙋‍♂️ About Me

  • 💼 I'm a DevOps Engineer, experience in Linux, Kubernetes, cloud infrastructure, microservices and automation

  • ⚙️ I regularly build automation solutions to reduce manual work and improve operational efficiency

  • 🚀 I'm passionate about solving infrastructure challenges and delivering reliable, secure, and scalable solutions

  • 🧠 Currently learning Machine Learning, MLOps, model training, and production AI systems


💼 Work Experience

DevOps Engineer, weDevs

  • Built & operated production Kubernetes platforms on GCP and DigitalOcean — 99%+ availability, seamless scaling through traffic spikes
  • Built an AI-powered Kubernetes assistant (LangChainGo, OpenAI, Streamlit) — cut platform-team dependency
  • Established GitOps with FluxCD — cut manual deployment activity ~70%, improved consistency
  • Scaled a microservices-based SaaS platform on Kubernetes — supported customer interactions via resilient, horizontally-scalable architecture
  • Built a Golang custom domain management platform — streamlined customer onboarding, reduced config effort
  • Automated build/test/release with GitHub Actions — cut manual release times by 80%
  • Used KEDA for intelligent autoscaling — optimized infra cost
  • Built observability & alerting (Grafana, Prometheus, Alertmanager, Sentry) — caught incidents before customer impact

Site Reliability Engineer, MailerLite

  • Contributed on building enterprise-grade CI/CD with GitHub Actions — cut release cycles ~75%
  • Ran production workloads on GKE — 99%+ availability through high-traffic periods
  • Established GitOps with FluxCD — cut manual deployment overhead ~70%, improved consistency & auditability
  • Standardized Kubernetes app lifecycle with Helm — faster environment provisioning
  • Automated config & infra management with Ansible & Terraform — cut manual config errors ~80%
  • Increased platform security with WAF & secret management — reduced risk, improved compliance
  • On-call participation, incident response & postmortems — cut MTTR ~80% via better monitoring & runbooks

DevOps Engineer, Mayalogy

  • Monitored & optimized infra/apps (CloudWatch, Prometheus, Grafana, New Relic, Sentry) — improved availability, error tracking
  • Designed & ran highly available Kubernetes clusters on AWS EKS — zero-downtime deploys, robust auto-recovery
  • Containerized & migrated Laravel/Python apps to Docker/Kubernetes — improved scalability & maintainability
  • Tuned NGINX & OS/kernel params, backed by load testing — boosted performance
  • Automated deployments with GitHub Actions; managed AWS via Terraform
  • Built infra automation & serverless functions in Bash/Python, including AWS Lambda
  • Partnered with dev & QA teams — kept platform reliable for millions of users

📊 GitHub Stats

GitHub Streak


💻 Tech Stack:

Infrastructure & IaC

Kubernetes Terraform Ansible Helm

CI/CD & Version Control

GitHub Actions GitLab CI CircleCI ArgoCD FluxCD

Cloud Providers & Services

AWS Google Cloud DigitalOcean Hetzner

Web Servers

Nginx Caddy

Monitoring & Logging

Prometheus Grafana Alertmanager CloudWatch OpenTelemetry Evidently AI Elasticsearch Logstash Kibana Seldon

Databases & Storage

MongoDB MySQL AWS RDS AWS S3

Data & Workflow Orchestration

Kubeflow Databricks

Model Lifecycle

Pandas NumPy scikit-learn PyTorch SageMaker MLflow

LLM & RAG Systems

RAG FAISS Prompt Engineering

Feature/Artifact Store & Versioning

MinIO AWS S3

EDA & Visualization

Matplotlib Seaborn

Programming Languages

Go Python


Pinned Loading

  1. digitalocean-alpine digitalocean-alpine Public

    Forked from kennwhite/digitalocean-alpine

    Script to install Alpine Linux on a Digital Ocean droplet

    Shell 7 2

  2. kubernetes-lxd kubernetes-lxd Public

    Shell 3 5

  3. kubeflow-mnist kubeflow-mnist Public

    Recognizing Digits with Kubeflow

    Jupyter Notebook

  4. alibi-drift-outlier-detection alibi-drift-outlier-detection Public

    Jupyter Notebook