C SivaSubramaniyam
Chennai, Tamil Nadu, India
byteshiva@gmail.com,
@LinkedIn,
@GitHub
Skills
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Designing and implementing scalable products and productivity tooling
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Planning long-term objectives and working with teams to accomplish goals
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Scaling existing products, performance tuning application and infrastructure
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Automating using CloudFormation, Docker, Ansible, Python, or shell scripting
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Deploying, migrating and managing Linux-based systems
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Expertise in building microservices architectures and distributed systems
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Experience in cloud-native technologies and cloud migration strategies
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Implementing CI/CD pipelines for automated testing, builds, and deployments
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Monitoring and optimizing system performance and cost efficiencies
★★★★★ (5/5) |
★★★★☆ (4/5) |
★★★☆☆ (3/5) |
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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 |
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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
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15+ years work experience as a software engineer.
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4+ years experience with cloud services.
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4+ years work experience as a Technical Architect.
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6+ years experience with cloud services:
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Amazon Web Services,
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Google Cloud Platform, and
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Heroku.
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Strong background in Agile, Scrum, and DevOps methodologies.
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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
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Authored and published over 50 technical articles on various topics including software development, cloud architecture, containerization, microservices, and security best practices.
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Shared insights and practical knowledge to help developers solve real-world challenges with hands-on tutorials.
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Grew a readership of tech professionals and enthusiasts, receiving positive feedback for clarity, depth, and value.
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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
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Spearheaded the development of a highly scalable record management system tailored for emergency services software, enabling quick and reliable access to critical information.
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Successfully reduced operational costs by 30% through optimizing cloud resources and improving the efficiency of MySQL database queries.
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Reduced ElasticSearch cluster capacity by roughly 40% (2TB+) without deleting any customer-facing data by fine-tuning indexing and shard allocation strategies.
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Led the team in building an automated reporting system, allowing real-time insights for faster decision-making across government and healthcare sectors.
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Introduced a new caching mechanism for Redis to handle high-volume real-time data streams more efficiently.
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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
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Led scrum, planning, grooming, and retrospective meetings more effectively, ensuring project deliverables were met on time.
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Set up local development environments for the team using Docker Compose and Selenium end-to-end testing, streamlining the development and testing process.
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Built out a new CloudFormation ECS service stack to migrate cloud providers, reducing costs and improving scalability.
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Helped build a new API for a rent guarantee claims service, streamlining claims processing and reducing operational overhead.
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Secured AWS accounts with IAM stack groups and policies, adhering to industry best practices and ensuring compliance.
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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.
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Improved Looker NoSQL-to-SQL integration with Stitch by adding MongoDB indices, increasing query performance.
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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
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Automated zero-downtime deployment of REST API auto-scaling group rolling updates, improving application uptime and stability.
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Decoupled monolithic deploys: increased stability and speed for deployments during peak traffic, enhancing system performance during critical sales periods.
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Designed and rolled out a company-wide security policy for read-only and elevated user access, significantly reducing security risks.
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Led a team web frontend refactor to help deliver a unified experience across the company’s multiple platforms.
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Replaced existing geolocation integration for improved accuracy, saving the company $100,000 annually by reducing inaccurate geolocation data.
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Delivered core product features on schedule, enabling custom analytics for customers.
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Resolved outstanding REST API database throttling, improving API response times by over 30%.
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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
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Implemented REST API e-commerce features, improving customer experience and reducing friction in online purchases.
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Optimized offers engine and added couponing functionality, leading to a 20% increase in sales conversions.
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Provided on-call technical support for disaster recovery, ensuring system availability during critical incidents.
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Delivered hot-fix solutions to comply with service-level agreements, maintaining high service availability and customer satisfaction.
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First to assess and troubleshoot issues affecting customer e-commerce experience, ensuring minimal downtime.
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Prepared and deployed new software releases to staging and production environments, ensuring smooth transitions and minimal disruptions.
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Coordinated downtime and hardware upgrades for retailer environments, minimizing impact on end-users.
Education
Bachelor of Computer Science |
University of Madras |
Master of Software Engineering |
College of Engineering, Guindy, |
Certifications
AWS Certified Developer — Associate 2018
Programming Mobile Services for Android Handheld Systems — Communication 2016 |
Coursera Course Certificates |
Programming Mobile Services for Android Handheld Systems — Part 2, 2015 |
Coursera Course Certificates |
Programming Mobile Services for Android Handheld Systems — Part 1, 2015 |
Coursera Course Certificates |
Additional Information
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Open Source Contributor: Contributed to several open-source projects related to cloud computing, microservices, and DevOps tooling.
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Languages: Fluent in English, Tamil; conversational in Hindi.
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Personal Projects: Developed a personal project focused on AI-powered code review tools, helping developers maintain high code quality.