
Aleksandre Z.
QA Engineer and Developer: Web, Mobile Apps and Reverse Engineering
Habilidades

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Porfolio
Experiencia laboral
Casino Game Developer
freelance • Freelance
Feb 2026 - Present • 8 mos
- Built browser casino games for iGaming projects in TypeScript with PixiJS, plus React, Three.js, Phaser and GSAP. - Wrote Node.js back ends with Fastify, Express and Socket.IO on PostgreSQL and Redis, including real-time multiplayer rounds. - Worked on game maths (RTP tuning and simulations, provably fair rounds) and fixed maths and engine logic on an Elixir/Phoenix remote game server. - Deployed with Docker, nginx and GitHub Actions, and tested with Vitest and Playwright.
Database Programmer & QA Tester
Aversi
Aug 2021 - May 2026 • 4 yrs 9 mos
- Tested 1C:Enterprise modules after every release with functional, regression and integration test cases written from business requirements. - Checked backend data and report accuracy with SQL, catching data errors before they reached users. - Tested APIs in Postman for responses, status codes and error handling. Pairing API and data checks cut issue resolution time by about 20%. - Logged defects in Jira, joined sprint planning and QA reviews, and wrote PowerShell scripts that checked report generation after updates.