Victor Giraldes
Resume

Victor Giraldes

Backend Developer · 7+ years

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Summary

Backend developer with over 7 years of experience and deep expertise in Ruby and Ruby on Rails. Passionate about technology since childhood, I focus on building scalable, high-performance systems and applying distributed architecture best practices.

Skills

Languages

RubyNode.jsPython

Frameworks

Ruby on RailsNestJSDjango

Databases

PostgreSQLMySQL

Cloud & Infrastructure

AWSKubernetes

DevOps

CI/CDGitGitHub

Methodology

ScrumCode ReviewUnit Testing

Experience

Foxbit

Backend Developer

01/2025 — Present

São Paulo, Brazil (Remote)

  • —Building highly available and secure backend systems for crypto custody operations.
  • —Developing services using Ruby (Rails) and Node.js (NestJS), ensuring scalable architecture.
  • —Designing custody solutions including wallet integrations and risk/compliance modules.
  • —Optimizing API performance and database queries for high transaction volumes in real-time environments.
  • —Applying best practices in CI/CD, automated testing, and monitoring.

Getninjas

Backend Developer

02/2022 — 11/2024

São Paulo, Brazil (Remote)

  • —Optimized code performance by implementing efficient algorithms and data structures.
  • —Streamlined API integration for seamless communication between frontend and backend systems.
  • —Reduced server response time by optimizing database queries and indexing strategies.
  • —Proposed and implemented Hexagonal Architecture for improved maintainability.
  • —Saved $4,500/month on AWS SQS costs by refactoring legacy message queue infrastructure.
  • —Conducted code reviews and wrote unit tests to increase code coverage.

James Delivery

Backend Developer

02/2021 — 02/2022

Curitiba, Brazil (Remote)

  • —Developed a new login system using OTP technology.
  • —Implemented unit and functional tests to improve codebase quality.
  • —Optimized SQL queries for better performance.
  • —Collaborated with mobile developers to improve user experience.

EasyFarm

Full Stack Developer

10/2019 — 02/2021

Ribeirão Preto, Brazil (Remote)

  • —Integrated third-party APIs for a more robust platform.
  • —Implemented a new REST API to serve a Vue.js Single Page Application.
  • —Maintained and improved a legacy monolith application, resolving technical debt.

Dogme

Full Stack Developer

02/2018 — 11/2018 / 07/2019 — 10/2019

São Paulo, Brazil

  • —Developed responsive front-end interfaces and new application features.
  • —Planned a White Label site for Dog Walker clients.
  • —Refactored legacy codebase applying development best practices.

Education

UNIJALES — Centro Universitário de Jales

Bachelor of Information Systems

12/2013

Languages

Portuguese

Native (C2)

English

Intermediate (B2)

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