TL/DR: Renato Augusto Viço Elias is a software developer from Sorocaba, São Paulo, Brazil, currently in Vigo, Galicia, Spain.

CTO @ Voyon | MBA @ PBS | Developer for life

Hello! I'm Renato.

CTO and Senior Technologist with 18+ years building scalable, cloud-native platforms across travel, tourism, and e-commerce. I lead teams, integrate complex ecosystems, and turn MVPs into reliable, revenue-driving products.

My goal is to employ my skills and experience where I can drive technological innovation for a better world, build high-performing teams, and deliver exceptional results.

Contact

• +34 664236504 (Work)
• renato@s2n.com.br
• LinkedIn Profile

Top Skills

• Technology Leadership
• Technical Staff & People Management
• Complex Integrations & Scalable Architecture

Core Technologies

Ruby on Rails 7, PostgreSQL/PostGIS, Redis, Sidekiq, AWS (Fargate, Aurora), GCP, Kubernetes, Hotwire (Turbo/Stimulus), React, TypeScript, FFmpeg, Mule ESB, pgvector, LLMs (OpenAI & AWS Bedrock).

Certifications

• The Complete SQL Bootcamp: Go from Zero to Hero
• Linguagem Ruby Para Iniciantes: POO, BD, Jogos 2D E Mais!
• React Profissional
• The Digital MBA 22/23
• SQL

Made With

• Zola is a fast static site generator in a single binary with everything built-in.
• Juice Theme Inspired by juice theme
• CSS Tricks For Favicon
• PxToEM the best way of responsive works
• PxToEM SCSS a little trickery for css + px to em
• SVGRepo Inspired SVG
• Modern Font Stacks Use native fonts please!

My Education

• The Digital MBA 22/23 @ PBS (October 2022 - July 2025)
• Computer Science @ Anhembi Morumbi (2019-2023) - Bachelor's degree
• Computer Science @ Anhembi Morumbi (2012-2015) (Not-finished for move to Rio de Janeiro)
• Design Graphic @ Uniso (2006-2007) (Not-finished for move to São Paulo)

Experience — Recruiter Snapshot

• VOYON — CTO (Jan 2024–Present)

  • Built AI‑driven CX SaaS on AWS Fargate (Rails, Aurora, Redis, Sidekiq); 4k+ daily interactions with up to 30% conversion; scaled to 13 clients; secured AWS Activate.

• S2N — Technology Consultant (Jan 2005–Jan 2024)

  • Boutique consultancy delivering payments, B2B travel APIs, multi‑tenant SaaS, and e‑commerce performance tuning; clients in media, retail, edtech, and travel.

• Dinheirow — Senior Developer (May–Dec 2023)

  • −80% memory on critical microservice via event‑driven architecture; shipped no‑code risk engine (React/TypeScript) integrated with legacy core.

• Hurb — Senior Software Developer → Technical Lead (2014–2022)

  • Led 10+ engineers; integrated global suppliers and payment gateways (Adyen, Braspag, Cielo); re‑architected checkout/payments to microservices on GCP.

• upLexis — Senior Software Developer (Mar–Jul 2014)

  • Sidekiq‑based crawlers at scale; observability dashboard for performance and errors.

• HOTWords — Rails Developer (Aug 2013–Mar 2014)

  • Back‑office ads support for video; FFmpeg media encoding pipelines.

• Concrete Solutions — Senior Software Developer (Jan–Jul 2013)

  • Connectors for MercadoLibre/Rocket platforms; scalable spider architecture; Agile delivery.

• Codeminer42 — Rails Developer (Apr 2012–Jan 2013)

  • Olook catalog improvements; Eduk MVP (Vimeo API, Backbone.js).

• Concrete Solutions — Software Developer (Jan 2011–Mar 2012)

  • E‑commerce for Imprensa Oficial; payment gateway; Dafiti frontend content refactors.

• Apontador — Software Developer (Jul 2007–Nov 2009)

  • Product refactor driving growth from 1K→6K DAU; GIS/Maps projects; high‑availability devops (99.99% uptime).

• Dias Publicidade — Graphic Designer (Oct 2005–Jun 2006)

  • Flash websites and campaign assets for music festivals.

• DS Filmes — Computer Technician (Jan 2004–Oct 2005)

  • VFX/video workflows; workstation builds; custom production workflow system.

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