C SivaSubramaniyam

Chennai, TamilNadu, India
byteshiva@gmail.com, @LinkedIn, @GitHub

Skills

  • designing and implementing scalable products and productivity tooling

  • planning long term objectives and working with teams to accomplish goals

  • scaling existing products, performance tuning application and infrastructure

  • automating using CloudFormation, Docker, Ansible, Python, or shell scripting

  • deploying, migrating and managing Linux-based systems

★★★★★ (5/5)

★★★★☆ (4/5)

★★★☆☆ (3/5)

Infrastructure

CloudFormation, EC2, ECS, ElasticSearch

Redshift, DynamoDB, RDS, ElastiCache

Ansible, Vagrant, Packer, Docker

Languages

Python, Java, Bash

JavaScipt, NodeJS

golang,

Backend

Flask, SQLAlchemy, Alembic

Hibernate, Liquibase, Google Web Toolkit

Android SDK, Spring, ExpressJS

Frontend

ReactJS

jQuery, UIkit, VueJS, Bootstrap

Analytics

Looker

Kinesis, CloudWatch

Professional Experience

  • 15+ years work experience as a software engineer.

  • 4+ years experience with cloud services.

  • 4+ years work experience as a Technical Architect

  • 6+ years experience with cloud services:

    • Amazon Web Services,

    • Google Cloud Platform, and

    • Heroku.

Stealth Startup

Founder/Technical Architect, July 2020 — present

Environment: MySQL, Java, Docker, AWS, Redis, Kafka, ElasticSearch, ReactJS, Looker

  • code contributor of record management system team emergency services software

  • authored ElasticSearch request for change, describing: risk, mitigation steps, short and long term goals

  • reduced ElasticSearch cluster capacity by roughly 40% (2TB+) without deleting any customer facing data

  • improved MySQL average query response time by optimizing internal notification service

  • overhauled State to Federal report exports to easily maintain code and rapidly on-board new customers

Kore.ai

Technical Architect, December 2019 — July 2020

Environment: Python, NodeJS, ExpressJS, ReactJS, MongoDB, Looker, Heroku, Stitch, Docker, RDS

  • led scrum, planning, grooming and retro meetings more effectively

  • setup local development for team with docker compose and selenium end-to-end testing

  • built out new CloudFormation ECS service stack to migrate cloud providers

  • helped build new api for rent guarantee claims service

  • secured AWS account with IAM stack groups and policies

  • reduced AWS costs from $250 to $40 USD per day — saving company more than $75,000 USD per year

  • improved looker no-SQL to SQL integration with stitch by adding MongoDB indices

  • took initiative to overhaul Looker analytics

Target Corp

Lead Consultant/ Technical Architect, August 2017 — December 2019

Environment: Java, Looker, CloudFormation, EC2, ElastiCache, Redshift, Kinesis, Data Pipelines, RDS, DynamoDB, Hibernate, Liquibase, Spring

  • automated zero-downtime deploy of rest api auto-scaling group rolling update

  • decoupled monolithic deploy: increase stability and speed for deploy during peak traffic

  • designed rolled-out company security policy for read-only and elevate user access

  • led team web frontend refactor to help deliver unified experience across company

  • replaced existing geo-location integration for improved accuracy and $100,000 USD per year in savings

  • on-schedule completion of core product: report authoring, providing customers with custom analytics

  • resolved outstanding rest api database throttling

  • built in-house tooling to improve developer and operation experience for team

Polycom

Senior Staff Engineer, January 2016 — August 2017

Environment: Python, Flask, SQLAlchemy, Alembic, PostgreSQL, Memcached, Redis, Ansible, Vagrant

  • implemented rest api ecommerce features

  • optimized offers engine and added couponing feature

  • on-call technical support for disaster recovery

  • providing hot-fix solutions to comply with service-level agreement

  • first to assess and troubleshoot issues affecting customer eCommerce experience

  • preparation and deployment of new software releases to staging and production environments

  • coordinating downtime and hardware upgrades for retailer environments

Education

Bachelor of Computer Science

University of Madras
Chennai, TamilNadu, India

Master of Software Engineerings

College of Engineering, Guindy,
Anna University, Chennai, TamilNadu, India

Certifications

AWS Certified Developer — Associate 2018

Programming Mobile Services for Android Handheld Systems — Comunication 2016

Corsera Course Certificates
Participated

Programming Mobile Services for Android Handheld Systems — Part 2, 2015

Corsera Course Certificates
Participated

Programming Mobile Services for Android Handheld Systems — Part 1, 2015

Corsera Course Certificates
Participated