Hi, I'm Catharina. I have a solid background in software engineering, especially with Ruby on Rails, and I enjoy building scalable backend systems and efficient internal tools. I collaborate closely with teams to design microservices and help improve logistics and shipping operations. I'm passionate about using both backend and frontend technologies to create seamless user experiences. I also enjoy mentoring junior engineers and sharing knowledge to ensure best development practices. Outside work, I keep myself motivated by constantly learning new skills and contributing to meaningful projects.…

Catharina Komrij

Hi, I'm Catharina. I have a solid background in software engineering, especially with Ruby on Rails, and I enjoy building scalable backend systems and efficient internal tools. I collaborate closely with teams to design microservices and help improve logistics and shipping operations. I'm passionate about using both backend and frontend technologies to create seamless user experiences. I also enjoy mentoring junior engineers and sharing knowledge to ensure best development practices. Outside work, I keep myself motivated by constantly learning new skills and contributing to meaningful projects.…

Available to hire

Hi, I’m Catharina. I have a solid background in software engineering, especially with Ruby on Rails, and I enjoy building scalable backend systems and efficient internal tools. I collaborate closely with teams to design microservices and help improve logistics and shipping operations.

I’m passionate about using both backend and frontend technologies to create seamless user experiences. I also enjoy mentoring junior engineers and sharing knowledge to ensure best development practices. Outside work, I keep myself motivated by constantly learning new skills and contributing to meaningful projects.

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Skills

Experience Level

Ruby on Rails
Expert
PostgreSQL
Expert
Ruby
Expert
SQL
Expert
GitHub
Intermediate
GraphQL
Intermediate
JavaScript
Intermediate
Jira
Intermediate
Redis
Intermediate
SQLite
Intermediate
Bootstrap
Intermediate
CSS
Intermediate
Google Maps
Intermediate
HTML5
Intermediate
React JS
Intermediate
TypeScript
Intermediate
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Language

English
Fluent
Portuguese
Fluent
Spanish; Castilian
Intermediate

Work Experience

Software Engineer I at Freshly Inc
April 1, 2021 - March 31, 2023
Built internal tools within admin-facing Rails apps to support logistics and shipping operations, improving scalability and efficiency. Helped design and build a microservices-based shipping system, transforming the infrastructure from a monolithic architecture to a scalable, flexible microservices approach. Utilized gRPC for cross-platform communication and GraphQL as an API Gateway. Hands-on experience with React and TypeScript, contributing to UI components and API integration on the early development of a frontend portal designed to integrate with the evolving shipping microservice system. Led development of the Force Move Tool, automating rescheduling workflows and saving hours of manual work for engineering and DevOps. Actively participated in architecture discussions, explored implementation solutions while working closely with the team lead engineer, and supported new engineers by sharing insights and best practices. Used Jira, Trello, and Miro to track progress and facilitate

Education

Full Stack Developer at LE WAGON
February 1, 2019 - April 30, 2019
Bachelor's Degree at UNIVERSIDADE PAULISTA
January 1, 2003 - December 31, 2007
Bachelor's Degree at Universidade Paulista
January 1, 2003 - December 31, 2007

Qualifications

Full Stack Developer – 360 hour program
February 1, 2019 - April 30, 2019

Industry Experience

Software & Internet, Transportation & Logistics, Education, Professional Services
    paper RIDE SCORE API

    RESTful API Rails app for managing and ranking ride requests. Built address verification flow using service
    objects and the Google Maps API. Used caching to reduce external API calls, reducing overall compute cost.
    Wrote comprehensive tests with RSpec.