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William Grah
From Brazil
$11/hr or $21,000/yr

Active over a week ago


Member since Mar 2026

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QA Engineer

Quality Assurance Engineer
Available for hire
Experience level
Mid-level
Available from
12 Apr 2026

Software developer with 14 years of experience transitioning to QA. Technical background in gaming, proptech, and agtech. Seeking Junior/Mid-level QA positions where I can leverage my debugging expertise and end-to-end development knowledge to ensure software quality.

Employment History

Game Developer at V12 Engine 2022 - 2024
∙ Contributed to the development and maintenance of 20+ casino games using Lua on top of V12's proprietary engine ∙ Fixed critical bugs and developed new features across multiple titles in a cross-platform codebase (Windows, iOS) built on C/C++, OpenGL, and DirectX ∙ Worked within a gambling-focused development environment, writing code with strict attention to regulatory compliance requirements ∙ Delivered all work remotely from Japan, collaborating asynchronously with teams in Brazil across significant time zone differences
Software Engineer at QuintoAndar 2021 - 2022
∙ Maintained ETL pipelines processing 500k+ listings per hour (a throughput I helped scale significantly pre-acquisition), scraping and cleaning public data to surface high-value opportunities for sales teams ∙ Developed automation tools for growth and sales teams, reducing manual effort across go-to-market operations ∙ Championed test-driven development practices within the team
Software Engineer at Spinver 2021 - 2021
Integral part in the technical analysis and execution of the product pivot from social media sentiment analysis to a lead matchmaking engine ∙ Ensured system reliability throughout the paradigm migration, keeping the platform stable while the core product was being fundamentally transformed ∙ Helped architect, build, and test the asynchronous processing pipeline using Celery — the foundation that would later be optimized to handle 500k+ listings per hour ∙ Served multiple major clients across real estate and job markets, including QuintoAndar, Loft, Indeed, and InfoJobs ∙ Contributed directly to the product positioning and technical maturity that made Spinver an acquisition target

Education

No education history.