Ramanathan is available for hire
Hire RamanathanRamanathan Sivagurunathan
Verified Expert in Engineering
Software Developer
Location
Sydney, New South Wales, Australia
Toptal Member Since
February 12, 2019
A polyglot programmer and an AI enthusiast, Ram relishes computer science challenges in any form. He's worked on a range of projects from developing embedded systems to full-stack applications. As a DevOps practitioner, he is a certified architect in all three major clouds: AWS, Azure. and GCP. Ram also holds a master's degree in big data and focuses on developing applications with AI capabilities.
Portfolio
Technium Pty Ltd
Jupyter, Packer, Terraform, Cassandra, Spark, Docker, Go, Node.js, Python...
Industrie IT
VMware vSphere, Kubernetes, Rancher, Azure, Amazon Web Services (AWS)...
Skyfii
JavaScript, Python, Scala
Experience
Availability
Part-time
Preferred Environment
Git, IntelliJ, Emacs
The most amazing...
...full-stack development that I've accomplished was developing end-to-end an embedded system in C, monitoring the back-end in Scala, and a UI in React/JavaScript.
Work Experience
Cloud Architect (Consultant)
2018 - PRESENT
Technium Pty Ltd
- Led the development of the REST API and analytics dashboard to gauge the development team's maturity across the organization.
- Containerized the existing Node.js-based microservices for the analytics back-end using Docker.
- Wrote a Terraform provider in Go for the private cloud and deploying the analytics platform using Terraform.
- Implemented a workflow for big data developers using Jupyter, Cassandra, and Spark.
- Established a DevOps practice in the team and implemented CI/CD for the analytics product.
Technologies: Jupyter, Packer, Terraform, Cassandra, Spark, Docker, Go, Node.js, Python, D3.js, React, JavaScript
Senior Developer | DevOps Engineer (Consultant)
2015 - 2018
Industrie IT
- Developed a Node.js-based chatbot for a developer self-service to create, destroy, and access various developer tools and servers.
- Worked on a Dockerized front-end for an insurance quote application using React and Node.js.
- Implemented a Go tool for deploying, accessing, and monitoring tools across hybrid cloud (vSphere and AWS).
- Installed an analytics pipeline using AWS Kinesis, SQS, S3, Hadoop/Redshift, Spark, Jupyter, and Presto.
- Led a DevOps team to containerize over 60 microservices running over a 500 server cluster.
- Led a DevOps team to handle uptime and availability of over 1,000 servers in development, test, and prod environments.
- Migrated applications from the private cloud to AWS.
Technologies: VMware vSphere, Kubernetes, Rancher, Azure, Amazon Web Services (AWS), Terraform, Go, JavaScript, Python
Systems Engineer
2014 - 2015
Skyfii
- Designed and implemented a highly available wireless analytics gateway back-end in Scala and Python.
- Worked on the full-stack development of a WLAN analytics platform.
- Customized the operating systems (OS) on embedded platforms for low-cost analytics gateway solutions.
- Developed over-the-air patching and backup strategy for thousands of access points.
Technologies: JavaScript, Python, Scala
Lead Developer
2011 - 2014
Cisco Systems
- Built a Cisco WLAN management system using Java, JavaScript, and HTML.
- Implemented a chatbot to configure and maintain routers using Python, Java, and XMPP for testers and support engineers.
- Created a CI workflow for CRS system using puppet (for deploying test machines) and Python.
Technologies: QNX, Linux, JavaScript, Python, C
Lead Developer and Engineer
2009 - 2011
Cavium Networks
- Led a team for developing an EMS solution for LTE servers and associated devices by determining which firmware upgrades to implement and how the monitoring should be performed.
- Implemented a web management module using HTML, CSS, and JavaScript for LTE devices.
- Developed a LTE protocol in C.
Technologies: JavaScript, Java, C, Python, Long-term Evolution (LTE)
Lead Developer
2006 - 2009
Aperto Networks
- Implemented a back-end for EMS software using Python.
- Built a front-end using JavaScript for device management.
- Deployed, maintained, and upgraded devices across the globe.
- Installed and supported a WiMax Protocol in VxWorks and Linux.
- Developed a testing framework for the regression testing of the WiMax protocol.
Technologies: Linux, C, JavaScript, CSS, HTML, Python
Systems Engineer
2005 - 2006
Huawei
- Developed a WLAN software stack on VxWorks for ARM Hardware.
- Built a web configuration system for WLAN devices using HTML, CSS, and JavaScript.
- Implemented a testing framework using C++ and python for WLAN protocol testing across hundreds of access points.
- Designed and implemented an LWAPP protocol and 802.1x protocol.
Technologies: JavaScript, HTML, Linux, WLAN, Python, C
Experience
Runner Up in the NSW Hackathon 2016
Here, I implemented a visualization tool using D3.js, React, and Electron for NSW Transport to view their current spread of buses and trains and their utilization and to help them decide on where to optimize their usage.
React Front-end for Insurance Quotes
For this project, I created a React-based front-end for an insurance quote application.
Team Risk and Productivity Analytics
On this project, I created a React-based interactive dashboard for displaying risk and productivity analytics for teams.
Microservices Migration
For this task, I led a team on a project to break the monolithic insurance product to several microservices and migrated them to AWS to deploy on a Rancher cluster.
Python Application for Centralized Server Management
Here, I wrote a Python application for centralized server configuration management—similar to Ansible and Ansible Tower—to maintain hundreds of access points and servers across the world. This is in the pre-Ansible era.
Scala-based RADIUS Server
Here, I implemented a RADIUS server in Scala and integrated it with an existing cloud solution for access point management
Chatbot for Networks
I implemented chatbots using Node.js for remote configuring your network devices and servers.
Open Source Contributions
Over the years, I've contributed to various OSS projects like goorgeous, libhttp-parser for OpenWRT, the Rancher catalog, Cscope plugin for Sublime Text, RightScripts, GNUSim8085, Quassel, and TLDR.
Kubernetes Azure Service Operator
https://github.com/bee-projects/azure-service-operatorI implemented in Go, an Azure service operator to deploy Azure services using the Kubernetes API when deploying microservices.
Protocol Testing Using Python and TTCN
I've also implemented a WiFi protocol testing framework using Python and TTCN.
eCloud
https://github.com/techniumlabs/ecloudThis is an Emacs plugin for interacting with your cloud resources in Azure, AWS, and GCP.
Distributed KNN Using Spark
Here, I've mplemented using PySpark, a distributed K nearest neighbor using a Voronoi partition.
Hugo Tracks Theme
https://github.com/ageekymonk/hugo-tracks-themeI've also created a port of tracks theme in Hugo.
Python Tutorial in Tech.io
https://tech.io/playgrounds/3524/journey-to-master-python-wip/journey-to-master-pythonI've also developed a Python tips-and-tricks tutorial in Tech.io.
Skills
Languages
Python, JavaScript, C, HTML, Go, Scala, CoffeeScript, Kotlin, CSS3, Emacs Lisp, CSS, Java
Frameworks
Jest, Selenium, Redux, Spark, Hadoop, Flask, Bootstrap
Libraries/APIs
Pthreads, Lodash, Pandas, D3.js, React, Puppeteer, Redux-Saga, Flask-RESTful, Reactstrap, Node.js, Moment.js, Scikit-learn, NumPy, Redux Form
Tools
Puppet, Ansible, AWS CLI, AWS SDK, Emacs, Packer, Terraform, Vault, Bamboo, TeamCity, Jenkins, Git, Jupyter, Valgrind, GCC, JSS, Traefik, NGINX, Grafana, Splunk, Babel, Webpack, VMware vSphere, IntelliJ, ELK (Elastic Stack), Graylog, Redux Thunk
Paradigms
REST, Functional Programming, Concurrent Programming, Test-driven Development (TDD), DevOps
Platforms
Linux, Amazon EC2, Azure, Docker, Rancher, Kubernetes, AWS Lambda, VxWorks, Amazon Web Services (AWS), Apache Pig
Other
RightScale, GoCD, Serverless, User Interface (UI), User Experience (UX), Prometheus, WLAN, Long-term Evolution (LTE), QNX, Enzyme
Storage
PostgreSQL, Neo4j, Redis, Cassandra, MongoDB, Apache Hive
Education
2014 - 2015
Master of Science (MSc) Degree in Information Technology
University of Sydney - Sydney, Australia
2001 - 2005
Bachelor of Technology Degree in Electronics and Communication Engineering
National Institute of Technology Tiruchirappalli - Tiruchirappalli, India
Certifications
NOVEMBER 2018 - PRESENT
Google Certified Architect Professional
JANUARY 2018 - PRESENT
AWS Solutions Architect Professional
AWS | Amazon Web Services
DECEMBER 2016 - PRESENT
Azure Certified Professional 70-533
Microsoft