Kiran Kumawat, Developer in Oakville, ON, Canada
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Kiran Kumawat

Verified Expert  in Engineering

Ruby on Rails Developer

Oakville, ON, Canada

Toptal member since January 24, 2025

Expertise
Ruby on RailsWeb DevelopmentRubyREST APISQLAWSData EngineeringGitHubPostgreSQLDockerElasticsearchAmazon S3
Bio

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

Samsung Ads Canada
Ruby on Rails 6, PostgreSQL, Docker, GitHub Actions, GitHub, Sidekiq, Ruby...
Pattern
Ruby on Rails 6, Ruby, APIs, Ruby on Rails (RoR), Web Development...
Metacube
Amazon S3 (AWS S3), Python, Data Engineering, Regex, Apache Airflow, ETL, Ruby...

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

Availability

Full-time

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

2022 - 2024
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%.
Technologies: Ruby on Rails 6, PostgreSQL, Docker, GitHub Actions, GitHub, Sidekiq, Ruby, APIs, Design Patterns, Ruby on Rails (RoR), Web Development, Amazon Web Services (AWS), REST APIs, JavaScript, Ruby on Rails 5, REST, SQL

Senior Back-end Engineer

2022 - 2022
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%.
Technologies: Ruby on Rails 6, Ruby, APIs, Ruby on Rails (RoR), Web Development, Amazon Web Services (AWS), REST APIs, HTML, JavaScript, Ruby on Rails 4, SQL, Stripe API

Senior Software Engineer

2020 - 2022
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.
Technologies: Amazon S3 (AWS S3), Python, Data Engineering, Regex, Apache Airflow, ETL, Ruby, APIs, Ruby on Rails (RoR), Web Development, Amazon Web Services (AWS), REST APIs, HTML, Stripe, Angular, REST, SQL, Stripe API

Module Lead

2018 - 2019
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.
Technologies: Ruby on Rails 6, Ruby, APIs, Ruby on Rails (RoR), Web Development, REST APIs, HTML, JavaScript, Ruby on Rails 4, REST, SQL

Experience

Trending Topics Content Generator App

Developed an application that automates the creation of blog posts based on real-time trending topics, pulling data from Twitter and top headlines. The app generates a draft using a spin-writer tool, providing users with ready-to-publish content for blogs and social media channels.

Social Media App for Video Creation

A Ruby on Rails API based application to create videos in different emotion-based categories and engagements, including smiley and share reactions. The admin dashboard allows you to take control of all the entities. AI completion is used to generate title and description suggestions and restrict offensive videos by filtering transcripts and images.

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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