Rodrigo Luis Virgilio da Silva
Senior Software Engineer — Full Stack Ruby on Rails
Professional Summary
Senior Backend Software Engineer with 12+ years of experience building and maintaining Ruby on Rails applications for companies in Brazil, Portugal, Germany, and the United States. Experienced in both monolithic and microservice architectures, REST and GraphQL API development, and Agile/Scrum delivery. Track record of improving system performance, reducing infrastructure costs, and delivering tested, maintainable code across fintech, e-commerce, healthcare, and Web3 domains.
Core Skills
- Programming Languages & Frameworks: Ruby, Ruby on Rails, Sinatra, JavaScript, React, Angular, Node.js, ERP Senior (LSP)
- Databases: PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Elasticsearch
- Messaging & Caching: Redis, Sidekiq, Kafka, AWS SQS, RabbitMQ
- Testing & CI/CD: RSpec, Capybara, Test-Driven Development (TDD), GitLab CI, CircleCI, Codeship, Semaphore, Jenkins, GitHub Actions
- APIs & Integrations: REST API, GraphQL, SOAP, Pusher
- Cloud & Infrastructure: Amazon Web Services (AWS), Google Cloud Platform (GCP), Docker, Kubernetes
- AI-Assisted Development: Claude Code (Anthropic), Codex (ChatGPT)
- Frontend: HTML, ERB, CSS, Sass, Bootstrap, Semantic UI, jQuery
- Methodologies: Agile, Scrum, Kanban
- Operating Systems: macOS, Linux, Windows
Professional Experience
Software Engineer — Bryj · January 2024 – Present
- Launched the Beam Studio project, converting websites into iOS and Android mobile applications within minutes.
- Designed, maintained, and developed backend features to streamline product operations and support business growth.
- Replaced Bitrise with custom GitHub Actions workflows for iOS (.ipa) and Android (.apk) builds, reducing company build costs.
Stack: Ruby on Rails · PostgreSQL · Redis · Kafka/AWS SQS · Sidekiq · Rspec · Jenkins · Docker · AWS
Software Engineer — RealFevr · November 2022 – December 2023
- Built backend features for a Web3 platform offering licensed sports digital collectible NFTs (non-fungible tokens).
- Developed the company’s marketplace Referral Program, integrating via API with an external tool to grow and engage customers.
- Refactored critical legacy code, improving application performance and long-term maintainability.
Stack: Ruby on Rails · PostgreSQL · MongoDB · Redis · Sidekiq · Rspec · Docker · DigitalOcean
Software Engineer — iCapital · May 2022 – October 2022
- Developed Ruby on Rails and React.js features for the Fund Finance team, supporting financial transaction processing (fintech).
- Collaborated from the Portugal office with an internationally distributed engineering team supporting a US-based company.
- Optimized existing codebase components, contributing to measurable performance improvements.
Stack: Ruby on Rails · React · PostgreSQL · Redis · Sidekiq · Rspec · Docker · AWS
Software Engineer — Nearshore Portugal (client: Voith) · April 2021 – April 2022
- Developed new features and platform adaptations for Voith’s learning management platform (Drive4YOU), serving multiple group clients.
- Maintained platform infrastructure on AWS, ensuring continuous availability for client instances.
Stack: Ruby on Rails · Bootstrap · MySQL · Redis · Sidekiq · Rspec · AWS
Software Engineer — Sysmatch / Glintt · March 2020 – April 2021
- Built and maintained the campaign management system for Sifarma Saúde, serving the Portuguese National Pharmacy Association (ANF).
- Developed multi-channel notification features (SMS, email, push) for partner clients.
- Maintained system integrations across platforms within the Glintt group.
Stack: Ruby on Rails · MySQL · Redis · Pusher · Sidekiq · Rspec · Microsoft Azure Cloud
Software Engineer — Neo Med · June 2019 – March 2020 (part-time through April 2023)
- Developed new features for a medical reports marketplace and SaaS platform, streamlining the diagnostic-to-patient workflow.
- Built a gateway service using REST API and a SOAP client for partner client communication.
- Continued contributing to the product on a part-time basis from March 2020 through April 2023.
Stack: Ruby on Rails · PostgreSQL · Redis · Sidekiq · Rspec · Gitlab CI/CD · Docker · Google Cloud (GCP)
Backend Developer — Codeminer42 · April 2016 – June 2019
- Worked as a backend consultant across multiple client projects, from greenfield development to legacy system maintenance.
- Delivered solutions across fintech, e-commerce, cryptocurrency, healthcare, hospitality, gaming, and investment domains.
- Contributed to Central CM42, Codeminer42’s open-source backlog management system.
- Client engagements: StartsPremium, Guide Investimentos, Omnitrade, Nexaas, Smart Fit / Bio Ritmo, Achieve Leap, Hospedin, Riot Games.
Stack: Ruby on Rails · PostgreSQL/MySQL · Redis · Kafka/AWS SQS · Sidekiq · Rspec · Jenkins · Docker · AWS/Google Cloud (GCP)
Backend Developer — PROTESTE Brasil · November 2013 – March 2016
- Joined the API development and integration team at PROTESTE, a Belgian-origin company focused on quality, metrology, and technology services.
Stack: Ruby on Rails · AngulasJS · PostgreSQL · Redis · Sidekiq · Rspec
Co-Founder / Developer — Cotar Agora · August 2013 – August 2014
- Co-founded and developed an online price quotation platform designed to reduce procurement costs for products and materials.
Backend Developer — Centro Universitário Claretiano · November 2010 – June 2013
- Developed modules for candidate selection, exam administration, and student management across a multi-branch university system.
ERP Developer — Jumil · February 2003 – October 2010
- Worked as an ERP developer (Senior Sistemas / LSP) for an agricultural implements manufacturer — first professional software development role.
Education
Bachelor of Information Systems — Centro Universitário Claretiano · 2006 – 2009
Certifications & Courses
Open Source Contributions