Kiran Kumawat
Verified Expert in Engineering
Ruby on Rails Developer
Oakville, ON, Canada
Toptal member since January 24, 2025
Kiran is a Ruby on Rails developer with over eight years of experience specializing in tech upgrades, performance optimization, and building scalable solutions. She worked on a high-impact assignment with Samsung Ads, where she played a crucial role in upgrading legacy Rails applications, enhancing system performance, and ensuring code quality through comprehensive refactoring and optimization. Kiran also has experience with AWS and other cloud-based services for scaling and deployment.
Portfolio
Experience
- Ruby on Rails 6 - 9 years
- PostgreSQL - 9 years
- GitHub - 9 years
- Sidekiq - 6 years
- API Integration - 4 years
- Docker - 4 years
- Amazon S3 (AWS S3) - 3 years
- GraphQL API - 2 years
Preferred Environment
GitHub, GitHub Actions, Amazon S3 (AWS S3), Docker, Sidekiq, PostgreSQL, Postman, API Integration, GraphQL API, Ruby on Rails 6
The most amazing...
...thing I've spearheaded is the blueprint-to-implementation process for performing continuous upgrades, which was wildly successful.
Work Experience
Software Developer
Samsung Ads Canada
- Headed seamless Rails upgrades, ensuring zero production downtime. Configured GitHub Actions pipelines with Sentry integration for enhanced monitoring.
- Resolved campaign duplication page load timeout issues, reducing operation time from five minutes to 30 seconds and ensuring seamless functionality.
- Managed production deployments and ensured system reliability through on-call support, contributing to an uptime of 99.9%.
Senior Back-end Engineer
Pattern
- Optimized customer-facing APIs, reducing response time by 50% using complex raw queries to handle and manipulate data efficiently.
- Designed and implemented an extensible KPI metrics scorecard to streamline performance tracking.
- Managed backlog grooming sessions, prioritizing and refining 70 items, improving team efficiency, and reducing cycle time by 25%.
Senior Software Engineer
Metacube
- Improved data extraction accuracy for resumes using advanced regular expressions. Mentored over 10 junior developers, resulting in a 30% improvement in code quality and team productivity, and conducted over 50 technical interviews to hire top talent.
- Implemented Dockerized Airflow pipelines, scaling multi-server applications efficiently.
- Worked with regular expressions for personal information and sensitive content extraction.
Module Lead
Persistent Systems
- Conducted research and development to identify innovative solutions for authentication mechanisms, i.e., OAuth, Saml, and JWToken.
- Collaborated with the client-side technical team to troubleshoot the bugs and implement solutions.
- Served as the key person for implementing new functionalities for client product demos, delivering eight demos on schedule and contributing to increased client engagement.
Experience
Trending Topics Content Generator App
Social Media App for Video Creation
Skills
Libraries/APIs
REST APIs, Sidekiq, GraphQL API, React, Stripe, OpenAI API, Stripe API
Tools
GitHub, Postman, Apache Airflow
Frameworks
Ruby on Rails 6, Ruby on Rails (RoR), Ruby on Rails 4, Ruby on Rails 5, Angular
Languages
Ruby, SQL, Python, Regex, HTML, JavaScript
Paradigms
REST, ETL, Design Patterns, DevOps
Platforms
Amazon Web Services (AWS), Docker
Storage
Amazon S3 (AWS S3), PostgreSQL, Elasticsearch
Other
APIs, Web Development, GitHub Actions, API Integration, Data Engineering, Stripe Payments
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