Justin Arulnathan

CAREER SUMMARY

› 10+ years developing web applications with a firm foundation in Python & Django.

› Strong understanding of infrastructure as code and automation of cloud infrastructure.

› Passionate about improving developer experience through continuous improvement of tooling and processes.

EMPLOYMENT HISTORY

Common Code - Senior Developer (full stack), DevOps Engineer

2016 - present

› Provided technical leadership on projects, making decisions around application design and architecture.

› Coordinated the delivery of projects using Agile or Scrum methodologies.

› Mentoring and/or coaching internal developers.

Full Stack Web Developer - New Atlas

2011 - 2016

› Developed internal and external-facing features for a heavily trafficked news site with an emphasis on SEO.

› Contributed to the design, development and migration from a bespoke PHP web application to a modern, standards-based CMS built using the Django framework.

RECENT PROJECTS

Utility Mapping

Oct 2020 – Nov 2021 | Technical lead, Full Stack Developer (React Native), DevOps Engineer

› Green-field project targeting Web, Android and iOS. Server-side infrastructure was built on ECS Fargate (AWS).
› Integration with multiple 3rd party REST and SOAP APIs.
› Implemented GitOps driven continuous integration and delivery process using Github Actions.

React Native • Expo • Mapbox • AWS • Terraform • Django Rest Framework • PostGIS • Github Actions

Karista

Nov 2021 – Feb 2022 | Technical lead, DevOps Engineer

› Application uplift - Migrated a Django + React app into a form which was deployable as Docker containers.
› Infrastructure uplift - Migrated application to ephemeral architecture, formalised in Terraform scripts and continuously deployed to staging and production environments via CI/CD pipeline.
› Migrated existing application CI/CD pipeline to Github Actions workflows.

Github Actions • ECS • Fargate • Terraform • CircleCI • Ansible

MedAdvisor

April 2020 – June 2021 | DevOps Engineer

› Provided platform support to enable the Australian team to rewrite the app and deploy it to ephemeral architecture on AWS.
› Worked within a mature DevOps team following principles such as the AWS Well-Architected Framework.
› Provided visibility across the application stack and infrastructure by instrumenting and configuring Datadog and Elastic monitoring agents.
› Upgraded application and infrastructure CI/CD pipelines to facilitate Blue-Green deployments.
› Remediated security and compliance issues identified by an external audit.

Octopus Deploy • TeamCity • AWS • Cloudformation • EC2 AutoScaling •Sceptre • Powershell • Jenkins • Chef • Hashicorp Vault • Packer • Elasticsearch • Datadog

EDUCATION

Swinburne University

2001 – 2004 | Bachelor of Information Technology

University of Melbourne

2005 – 2010 | Bachelor of Science - Behavioural Neuroscience

QUALIFICATIONS

Axis Agile

2017 - Certified Scrum Master

TECHNICAL SKILLSET

Languages & Frameworks - Professional Grade

I have authored software in production which utilise the following technologies

Git
Python
Django
Celery
Bash
Powershell
React
React Native
VueJS
Typescript
NodeJS
Docker
Docker Compose
Terraform
Cloudformation
Cloud Init
Sceptre
Vault
Octopus Deploy
Postgres
Redis
Jenkins

SaaS & PaaS Tools

Comfortable with these and have used them at least once in a professional context.

AWS
Azure
CircleCI
Github Actions
Bitbucket Pipelines
Sentry
Datadog
New Relic
Papertrail
Loggly
Elastic Cloud
Terraform Cloud
Balena.io
Expo
Cloudflare Tunnels & Access
Auth0
Nginx

Languages, Frameworks and SaaS - Hobby Grade

Some non-professional experience with the following: