Vitor Haueisen Costa Ruas

Available to hire

Software Engineer with 7+ years of experience building scalable web and mobile systems for global brands like Nestlé, Coca-Cola, and Vale.

About

Software Engineer with 7+ years of experience building scalable web and mobile systems for global brands like Nestlé, Coca-Cola, and Vale. Skilled in full-stack development using Angular, React, .NET Core, Unity 3D and Python, with strong foundations in clean architecture, CI/CD, and cloud-based delivery.
I take ownership of end-to-end solutions, work well in agile teams, and align technical decisions with business goals.

  • 6 years' experience
  • Joined July 2025

Languages

  • PortugueseFluent
  • EnglishAdvanced

Industry experience

  • Gaming
  • Software & Internet
  • Education
  • Consumer Goods
  • Energy & Utilities

Work experience· 6 roles

Mobile Developer · IndustriALLMay 2022 – Oct 2022 · 6 mos

Migrated an IONIC 5 app to IONIC 6 and refactored its architecture for better scalability. Significantly reduced crash rates and improved overall performance. Deployed the system on-site at Veracel (Bahia) and provided technical training to the local team.

Game Developer · Roblox Corp. (Fall Accelerator Program)Aug 2021 – Nov 2021 · 4 mos

Worked as Game Developer & Project Manager on Hyperlight Wings, a game built during a 12-week program with no prior knowledge of the Roblox Platform. Collaborated with teams from all around the world.

Web Developer · Lyon EngenhariaAug 2021 – Apr 2022 · 9 mos

Developed a web system for managing training paths at Vale S/A. Updated a mobile Q&A app to support over 400 new questions across 8 topics. Built dashboards and automated KPI tracking for training performance.

Software Engineer & Entrepreneur · Rogue UnitFeb 2020 – May 2024 · 4 yrs 4 mos
Mobile Developer · Vale S/AOct 2019 – Aug 2021 · 1 yr 11 mos
Game Developer · IFES and Vale S/AMay 2017 – Apr 2019 · 2 yrs

Education

Bachelor · IFES – Federal Institute of Espírito Santo, Vitória Campus2016 – 2022

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