Ygor Sad

Full Stack Engineer

Vienna, Vienna, Austria

About

Hey there! I'm a Brazilian developer with 5+ years of experience solving problems by building software. My interests include testing, functional programming and distributed systems. Regardless of the problem or the technology, I'm always eager to dive in, take ownership and make an impact.

Experience

  • Senior Full-Stack Developer at Meister
    Feb 2024 - Present · 2 yrs 6 mos

    • Worked on improvements to MeisterTask’s licensing and packaging model, including rollout, backend work, and ongoing reliability follow-up. • Led and delivered several product features end-to-end, from specification through delivery and tracking outcome. • Took ownership of parts of the MeisterTask backend (Ruby/Rails), maintaining stability, documentation, dependencies and reviews. • Contributed across teams — helping with customer facing issues, technical troubleshooting, onboarding, and unblocking work when needed. • Participated in hiring processes for backend and frontend roles. • Grew responsibilities around DevOps and architecture discussions, helping guide decisions and reduce technical friction. • Mentored teammates on engineering practices and participated in design discussions.

  • Full Stack Engineer at cBook by CREATE
    May 2021 - Dec 2025 · 4 yrs 8 mos

    • Mentoring and assistance to peer developers in technical matters. • Management of the team's daily affairs, ie prioritization and assignment of tasks, roadmap steering, and so on. • Development of educational software, making use of microfrontend architecture, with strong focus on accessibility as defined by the Web Content Accessibility Guidelines (WCAG). • Development of microservices written both in Clojure and Ruby on Rails using hexagonal architecture. • Rewriting of legacy frontend applications in order to provide compliance with WCAG. • Development of several microservices written both in Clojure and Ruby on Rails using hexagonal architecture. • Maintenance of legacy, client-specific applications using a variety of languages, databases and technologies. • Management and improvement of DevOps routines, including CI/CD pipelines, containerization, server administration, among others.

  • Software Engineer at Revelo
    Aug 2019 - May 2021 · 1 yr 10 mos

    • Mentoring of peer developers, as well as assistance
to product managers with experiments and business inquiries. • Design and implementation of Ruby on Rails services and RESTful APIs using agile techniques. • Development and maintenance of legacy, monolithic applications, improving performance and stability, as well as their conversion into small domain-specific SPAs using backend-for-frontend (BFF) techniques. • Development of a design system and a VueJS component library to standardize the company's brand. • Participation in the development of an internal CLI tool, that was meant to simplify daily activities of devs, such as orchestrating multiple Docker containers, aggregating logs, updating codebases, etc. • Improvement of workflows using automation and processes like code analysis tools, CI/CD services, code-review, monitoring, etc. • Integration with third-party tools such as CV parsers, payment gateways, search engines, among others.

  • Software Engineer at Antes de Mim
    Jan 2017 - Aug 2019 · 2 yrs 8 mos

    • Design and implementation of a Ruby on Rails-backed e-commerce platform using Spree framework, as well as some purpose-specific Laravel microservices. • Design and implementation of a Laravel-backed auctioning system. • Development of SPA front-ends using VueJS. • Implementation and management of AWS infrastructure, using services such as EC2, as well as introduction of some DevOps routines. • Integration with third-party tools such as payment gateways, search engines, among others.