Oscar Olivera

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Ruby Developer

AvenueCode

Jan 2022 - Jan 2024 (2 years 1 month)

• Analysis and resolution of the Content Security Policy layer for seven key applications, where my code was deployed on 2 of them. • Management and resolution of problems detected by automatic comprehensive integration tests through Rspec and GitHub Actions.

Fullstack Developer

Acid Labs

Jan 2021 - Jan 2022 (1 year 1 month)

• Peform backend and frontend improvements. • Work on e-Commerce spree for customers • Ensure quality and good coding practices. • Analysis and design of Rest API's services.

Ruby on Rails Developer

Evertec

Jan 2021

• Work as an external programmer integrated in the "Manantial" development team. • Responsibility for transforming its Spree based Ecommerce to its full functionality. • Use agile methodology on a daly basis.

Ruby on Rails Developer

WeDevelop

Jan 2021

• Work on a 4 months project for a real estate company in the US. • Provide help reducing the backend code so it will migrate into microservices.

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Ruby on Rails Developer

Show Me The Money

Jan 2020 - Jan 2021 (1 year 1 month)

• Migration of test and production environments from DigitalOcean to Azure. • Integration with HubSpot Client API Rest endpoints. • Implemented a new version of the skills report. • Successfully upload the data and designs from 2 new countries (Argentina and Ecuador). • New landing page with HTML/CSS and JavaScript. • Perform training in Rails, Git, DB, RSpec and best practices for junior developers.

Ruby on Rails Developer

SystemVan

Jan 2019 - Jan 2020 (1 year 1 month)

• Web Development for an Online Sales improvement project. • Work on a 10-point improvements project for an insurance Ecommerce based on Spree. • Using AWS EC2 instance as a staging environment.

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Ruby on Rails Developer

AcerosChile

Jan 2018 - Jan 2019 (1 year 1 month)

• Web developer for the SISPRO project. • Work on Ruby on Rails Web Application of the largest steel foundry in Chile. • Build from scratch an Information web application that aims to improve the information processes for each department of the production line..

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ROR Freelance Developer

NUBBE.NET

• Architect and implemented a multi-tenant structure using subdomain-based isolation, ensuring secure data segregation between academies. • Designed and optimized the PostgreSQL database schema to handle complex relationships between players, teams, matches, and seasons. • Developed RESTful APIs to integrate with React-based frontends and mobile clients through a Backend-for-Frontend (BFF) layer. • Implemented authentication and role-based access control for multiple user roles (TenantAdmin, Coach, AssistantCoach, TeamAssistant). • Built an Inscription module for managing team registrations by season and tournament category. • Integrated background jobs and caching strategies to optimize performance and scalability. • Configured CI/C

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Ruby Developer

PreUnic

• Update core Spree ecommerce backend application to version 4.8 • Update core spree gems to work flawlessly with new bump spree application. • Analysis and design of Rest API's services for new React micro pages applications.

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