QA Automation Engineer (JavaScript)
New
Warszawa, Rondo Daszyńskiego, Kraków, Aleja Pokoju 18, Lisbona, R. Saraiva de Carvalho 1C, Belgrad, Prince Michael 1, Sofia, ul. "Hristo Maksimov" 1, Warszawa, Country code: PLFull-TimeMiddle
Salary2500 - 3000 USD per month gross
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Job Details
- Languages
- English (Intermediate+)
- Experience
- 3+ years
- Required Skills
- PHPPostgreSQLJavascriptAPI testingJSONPrompt EngineeringPlaywright
Requirements
- 3+ years of experience as a QA Automation Engineer (JavaScript).
- Strong hands-on experience with AI/LLM pipelines and AI agents.
- Understanding of prompt engineering and structured outputs (JSON/schema).
- Experience working with MCP tools and data retrieval mechanisms.
- Solid backend/system-level understanding: APIs, JSON data models, and Async flows (queues, events).
- Understanding of PHP/Laravel architecture.
- Knowledge of database concepts, including PostgreSQL, multi-tenant configurations, and environment/configuration management.
- Advanced Playwright automation experience (fixtures, storage state, network interception, async flows/debugging).
- Ability to create reusable and scalable automation flows.
- Strong debugging skills across the entire system (AI output to test layer to API to application).
- Experience troubleshooting authentication/cookies/session issues and environment-related problems.
- Intermediate+ English level.
Responsibilities
- Designing, developing, and maintaining advanced automated test solutions using Playwright.
- Extending and supporting AI-driven testing pipelines and automation integrations.
- Working with LLM-based workflows, AI agents, and structured AI outputs.
- Developing reusable automation components and scalable testing frameworks.
- Validating and debugging end-to-end system flows across AI, backend APIs, and application layers.
- Analyzing and troubleshooting complex system-level issues.
- Collaborating with cross-functional teams including backend engineers and AI specialists.
- Supporting automation integration into existing TSR extension flows.
- Working with API testing, async events, and data validation scenarios.
- Ensuring automation stability, maintainability, and scalability.
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