Senior QA Automation Engineer

Sofia, Sofia City Province, bg💼 Full-time🗓 2026-08-31 → 2026-09-26

Core

Create and maintain automated tests for iGaming slot games, validating game logic, mathematical output, and feature mechanics.

Role type

Senior QA Automation Engineer (SDET)

Builds

Automated test suites for game mechanics and validation

Domain

iGaming / Online Casino / Slot Games

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Java, API/backend testing, JSON validation, test design, debugging, Git, mathematical modeling, statistical distribution

Preferred skills

Node.js, iGaming domain knowledge, game mechanics (free spins, respins, multipliers)

Technologies

Java, Git, JSON

Responsibilities

Create and maintain automated tests for games, adapt automation frameworks for new mechanics, execute and analyze large simulation samples, identify root causes of automation failures, improve framework speed and reliability, define test coverage for new features

Seniority

Senior, hands-on IC

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About Evolution

Evolution is a multinational business at the forefront of the online gaming industry. We have an extensive track record of number 1s and are always looking for great people to help us create the next big product hit. Our team of 1,000+ engineers operates out of 8 engineering hubs running code 24/7/365 to serve users around the world. This is run through a modern software stack supporting over 250 fully automated releases per month to our main live environment. We believe in building in-house competence and agile work processes so that we can deliver on our Engineering mission: A flawless playe