C SivaSubramaniyam

Chennai, Tamil Nadu, 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

  • Expertise in building microservices architectures and distributed systems

  • Experience in cloud-native technologies and cloud migration strategies

  • Implementing CI/CD pipelines for automated testing, builds, and deployments

  • Monitoring and optimizing system performance and cost efficiencies

★★★★★ (5/5)

★★★★☆ (4/5)

★★★☆☆ (3/5)

Infrastructure

CloudFormation, EC2, ECS, ElasticSearch

Redshift, DynamoDB, RDS, ElastiCache

Ansible, Vagrant, Packer, Docker

Languages

Python, Java, Bash

JavaScript, NodeJS

Go

Backend

Flask, SQLAlchemy, Alembic

Hibernate, Liquibase, Google Web Toolkit

Android SDK, Spring, ExpressJS

Frontend

ReactJS

jQuery, UIkit, VueJS, Bootstrap

Analytics

Looker

Kinesis, CloudWatch

Prometheus, Grafana

Security

IAM, AWS KMS, AWS Secrets Manager

OAuth, JWT, SSL/TLS, Penetration Testing

OWASP Top 10 best practices

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.

  • Strong background in Agile, Scrum, and DevOps methodologies.

  • Proven track record in leading cross-functional teams and delivering projects on time.

Technical Writer/ Blogger

Technical Writer/ Blogger, July 2020 — present

Environment: Medium https://byteshiva.medium.com

  • Authored and published over 50 technical articles on various topics including software development, cloud architecture, containerization, microservices, and security best practices.

  • Shared insights and practical knowledge to help developers solve real-world challenges with hands-on tutorials.

  • Grew a readership of tech professionals and enthusiasts, receiving positive feedback for clarity, depth, and value.

  • Delivered a series of tutorials on building serverless applications with AWS Lambda and API Gateway.

Stealth Startup

Founder/Technical Architect, July 2020 — present

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

  • Spearheaded the development of a highly scalable record management system tailored for emergency services software, enabling quick and reliable access to critical information.

  • Successfully reduced operational costs by 30% through optimizing cloud resources and improving the efficiency of MySQL database queries.

  • Reduced ElasticSearch cluster capacity by roughly 40% (2TB+) without deleting any customer-facing data by fine-tuning indexing and shard allocation strategies.

  • Led the team in building an automated reporting system, allowing real-time insights for faster decision-making across government and healthcare sectors.

  • Introduced a new caching mechanism for Redis to handle high-volume real-time data streams more efficiently.

  • Implemented a robust backup and disaster recovery strategy to ensure data availability and minimize downtime.

Kore.ai

Technical Architect, December 2019 — July 2020

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

  • Led scrum, planning, grooming, and retrospective meetings more effectively, ensuring project deliverables were met on time.

  • Set up local development environments for the team using Docker Compose and Selenium end-to-end testing, streamlining the development and testing process.

  • Built out a new CloudFormation ECS service stack to migrate cloud providers, reducing costs and improving scalability.

  • Helped build a new API for a rent guarantee claims service, streamlining claims processing and reducing operational overhead.

  • Secured AWS accounts with IAM stack groups and policies, adhering to industry best practices and ensuring compliance.

  • Reduced AWS costs from $250 to $40 USD per day, saving the company over $75,000 USD annually by optimizing infrastructure and scaling resources based on demand.

  • Improved Looker NoSQL-to-SQL integration with Stitch by adding MongoDB indices, increasing query performance.

  • Led an initiative to overhaul Looker analytics, enhancing the company’s data visualization capabilities and decision-making.

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 deployment of REST API auto-scaling group rolling updates, improving application uptime and stability.

  • Decoupled monolithic deploys: increased stability and speed for deployments during peak traffic, enhancing system performance during critical sales periods.

  • Designed and rolled out a company-wide security policy for read-only and elevated user access, significantly reducing security risks.

  • Led a team web frontend refactor to help deliver a unified experience across the company’s multiple platforms.

  • Replaced existing geolocation integration for improved accuracy, saving the company $100,000 annually by reducing inaccurate geolocation data.

  • Delivered core product features on schedule, enabling custom analytics for customers.

  • Resolved outstanding REST API database throttling, improving API response times by over 30%.

  • Built in-house tooling to improve the developer and operations experience, increasing team productivity.

Polycom

Senior Staff Engineer, January 2016 — August 2017

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

  • Implemented REST API e-commerce features, improving customer experience and reducing friction in online purchases.

  • Optimized offers engine and added couponing functionality, leading to a 20% increase in sales conversions.

  • Provided on-call technical support for disaster recovery, ensuring system availability during critical incidents.

  • Delivered hot-fix solutions to comply with service-level agreements, maintaining high service availability and customer satisfaction.

  • First to assess and troubleshoot issues affecting customer e-commerce experience, ensuring minimal downtime.

  • Prepared and deployed new software releases to staging and production environments, ensuring smooth transitions and minimal disruptions.

  • Coordinated downtime and hardware upgrades for retailer environments, minimizing impact on end-users.

Education

Bachelor of Computer Science

University of Madras
Chennai, Tamil Nadu, India

Master of Software Engineering

College of Engineering, Guindy,
Anna University, Chennai, Tamil Nadu, India

Certifications

AWS Certified Developer — Associate 2018

Programming Mobile Services for Android Handheld Systems — Communication 2016

Coursera Course Certificates
Participated

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

Coursera Course Certificates
Participated

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

Coursera Course Certificates
Participated

Additional Information

  • Open Source Contributor: Contributed to several open-source projects related to cloud computing, microservices, and DevOps tooling.

  • Languages: Fluent in English, Tamil; conversational in Hindi.

  • Personal Projects: Developed a personal project focused on AI-powered code review tools, helping developers maintain high code quality.