CareerPlan

Manual QA Engineer – Senior

Warszawa, PLFull-time2026-10-12 → 2026-11-09

Core

Senior Manual QA Engineer responsible for end-to-end QA strategy, test design, and release ownership for a high-load casino games API platform.

Role type

Senior Manual QA Engineer (Backend/API)

Builds

High-load casino games API platform connecting operator platforms to remote game servers

Domain

iGaming / Online Gambling

Required skills

Test design & analysis, Risk-based prioritization, Exploratory testing, Microservice architecture understanding, API testing (Postman, REST), CI/CD pipeline reading, Database validation, Defect management, Troubleshooting, Log analysis (ELK, Grafana)

Preferred skills

ClickHouse, Web UI testing, Test automation tools (Selenium, JUnit, TestNG), AI for QA productivity, iGaming domain experience

Technologies

Postman, REST, GitLab CI, Jira, ELK, Grafana, ClickHouse, Selenium, JUnit, TestNG

Responsibilities

Own QA strategy and test cases, Measure product quality with meaningful metrics, Report QA status and risks, Review feature requirements for gaps, Lead releases and monitor production, Diagnose and track defects, Validate data in databases, Collaborate with product and infrastructure teams, Give product demos, Research and adopt new QA approaches including AI tools, Improve QA processes

Seniority

Senior, hands-on IC