Najwan Octavian portrait

Portfolio

Najwan Octavian Gerrard.

Building scalable cloud systems and elegant interfaces with a quiet, editorial approach.

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Technical Skills

A compact view of the cloud, infrastructure, automation, data, and scripting tools I use most often in practical work.

cloud

Cloud

Platform and infrastructure orchestration across private and public cloud systems.

  • OpenStack
  • Kubernetes
  • Ceph
  • AWS
  • Traefik
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Automation

Provisioning, deployment, and release automation for repeatable delivery pipelines.

  • Ansible
  • Terraform
  • Jenkins
  • AWS CloudFormation
  • GitLab CI/CD
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Containerization

Lightweight packaging for portable workloads and reliable application delivery.

  • Docker
monitoring

Monitoring

Observability stacks to track system health, logs, and performance signals.

  • ELK Stack
  • Grafana
  • Prometheus
lan

Networking

Core network fundamentals for connectivity, segmentation, and secure traffic flow.

  • Routing
  • Switching
  • Subnetting
  • Firewalls
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Scripting

Shell-first tooling for automation, configuration, and operational scripting.

  • Linux
  • Bash
  • YAML
database

Database

Relational and NoSQL storage systems for applications, analytics, and cloud services.

  • MySQL
  • PostgreSQL
  • MongoDB
  • AWS RDS
  • AWS DynamoDB
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Programming

General-purpose programming for automation, data processing, and solution building.

  • Python
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Internet of Things (IoT)

Device-level prototyping with sensors and embedded development workflows.

  • Arduino
  • Sensor
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Data Science & Analytics

Practical analysis workflows from EDA and statistics to entry-level machine learning.

  • Pandas
  • NumPy
  • Matplotlib
  • Seaborn
  • SQL (SELECT, GROUP BY, Functions)
  • Statistics for Data Science
  • Exploratory Data Analysis (EDA)
  • Machine Learning

Last Project

The two most recent projects based on the dates defined in each project detail.

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n8n Automation: Microsoft Ecosystem to ADINUSA

Designing a seamless data automation workflow using n8n to integrate Microsoft Excel, SharePoint, and OneDrive directly with the ADINUSA platform.

Automationn8nIntegration
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Oracle Database 19c Technical Trainer

Delivering comprehensive training content for Oracle Database 19c administration, culminating in advanced enterprise backup and recovery strategies using RMAN.

OracleDatabaseTraining
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Selected Blogs

Thoughts on architecture, cloud systems, and delivery process.

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Serverless Async Architecture Integrasi ALB, Lambda, SQS, dan DynamoDB

Handling High Traffic dengan Gaya Asinkronus di AWS

Local Apps go to public with Traefik and Ngrok via Container Docker

Secure Gateway Ngrok - Bongkar Trik Path-Based Routing Traefik untuk Homelab/Dev Lokal agar public.

RedHat OpenShift Setup with CRC

Installing OpenShift on Local Machine using Ubuntu with CRC