Murukesh Mohanan (ムル)

Paidy, Inc. Tokyo Platform Engineer May 2021 – present

Production Engineering

Change Management and Infrastructure Control

• Rotation on production change management process and on-call duty
• Manage and upgrade IaC for AWS (Terraform deployed on CircleCI)
• Maintain internal tooling in Python using CircleCI, Jira, PagerDuty APIs
• Evaluate new services (Terraform Cloud, JupiterOne) to improve process
• International team with members currently in Japan, India, and EMEA

Community

Stack Overflow

Extensive contributions to Stack Overflow and other Stack Exchange sites

• 190,000+ reputation in Ask Ubuntu, 70,000+ in Unix & Linux
• Over 4000 answers posted in the past 9 years
• https://stackexchange.com/users/1042873/muru?tab=top

NABLAS, Inc. Tokyo Software Engineer July 2019 – April 2021

iLect v2 and PyGrade

Development of e-learning and training platforms

• Part of backend team using Python (Flask) and Kubernetes API
• Developed a scaling system in Go complementing GKE Autoscaler
• Codified cloud infra for both GCP and AWS in Terraform
• Deployed on EKS, GKE, and Azure using GitHub Actions and Cloud Build

ML Research Platform

Set up and maintain computing infrastructure for R&D team

• JupyterHub on a cluster of on-premise GPU boxes using Docker Swarm
• Configuration using Ansible, monitoring using Prometheus and Grafana
• Install and manage VPN (OpenVPN), intranet DNS (BIND)

Yahoo! JAPAN, Inc. Tokyo DevOps Engineer October 2016 – June 2019

NoSQL Team

Setup and administration of Cassandra database clusters on CentOS

• Develop distributed monitoring system (Go daemon, Python client)
• Automation of cluster management (Chef, Fabric, Screwdriver on Jenkins)
• Test deployment on self-managed Kubernetes on OpenStack VMs

Open Source

Apache Cassandra

• Minor contributions to Cassandra-related projects (CCM and drivers)
• Mentored Yahoo! JAPAN interns in contributing to OSS in 2017 and 2018

Talks given

Cassandra and Scylla at Yahoo! JAPAN

• Presented at Distributed Data Summit 2018 and Scylla Summit 2018
• Overview of Cassandra usage at Y!J and results of testing ScyllaDB

Dept. of Computer Science, IIT Bombay Mumbai July 2013 – July 2016

System Administrator

Part-time, 20 hrs/week

• Enforced management of configuration via git (etckeeper) and Puppet
• Managed dozens of on-premise servers, both physical and virtual (KVM)
• Set up an instance of GitLab for department usage

Volunteer projects

https://mlsearch.ai (Machine Learning Tokyo)

Website for searching and sharing ML resources July 2020 – December 2022

• Part of an international group of volunteers based in Europe and Asia
• To be launched and open-sourced by late 2022, currently in public beta
• Backend development in Python (Flask), frontend in React
• Deployed using AWS Lambda over S3, API Gateway, and DynamoDB
• Set up IaC using Terraform and CD using GitHub Actions

Education

Other professional experience

Application Developer

iNautix Technologies India Pvt. Ltd., Chennai. June 2012 – June 2013

• Maintenance of legacy C back-end and migration to C++ and Java

Skills

Natural languages

• English
• Japanese (N2)

Programming languages

• Fairly well: Python, Bash, Go, Awk
• Somewhat: JavaScript, C++, Java

Technologies

• Recent: Terraform, Docker, Kubernetes, Ansible
• Past: OpenStack, Puppet, Chef, Debian/RPM packaging

Academic projects

RSA: Side Channel Attacks Master’s project

Prof. Bernard Menezes, IIT Bombay Autumn 2015 – Spring 2016

Implemented the Flush+Reload side-channel attack against the RSA public-key cryptographic algorithm, to extract the private key by monitoring the time taken to perform various operations involved in RSA, augmented using lattice algorithms