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QA Engineer

Warszawa, mazowieckie💼 Full-time💰 $13,000–$16,000🗓 2026-06-19 → 2026-08-10

Core

Mid-level QA Engineer focusing on database test analysis, data validation, and web application testing for data-driven and web applications.

Role type

Mid-level QA Engineer (Data & Web)

Builds

Automated database tests, E2E/UI tests, and manual feature testing for data processing and web applications.

Domain

Data quality, Web applications, Telecommunications/Network performance

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Test automation, Python, SQL, Database testing, Manual testing, Defect reporting, Logical thinking, Data analysis

Preferred skills

Playwright, TypeScript, CI/CD pipelines, Cloud environments, AI tools in QA

Technologies

Python, SQL, PostgreSQL, BigQuery, Playwright, TypeScript, JavaScript, React, Node.js, Express, Docker, Kubernetes, GCP

Responsibilities

Analyze and maintain automated database tests, verify data correctness using SQL, create and maintain automated tests, perform manual feature and regression testing, report and track bugs in Jira, support releases and QA feedback loops.

Seniority

Mid-level, hands-on IC

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