Infatica.io is a integral provider of proxy and DaaS solutions. We're looking for a hands-on Senior QA Engineer to work across two product lines: our web/SaaS product and our technology platform for scraping, data, and AI. The role combines manual testing, automation, and the development of engineering quality practices.

Key Responsibilities:

Product Testing

Conduct functional, integration, regression, and smoke testing of web products
Test APIs, integrations, and microservice interactions
Create and maintain test cases, checklists, and regression suites
Write and maintain automated tests in Python and TypeScript/JavaScript
Integrate automated checks into the CI/CD pipeline
Collaborate with product managers, developers, and designers on implementation quality

Data, Scraping & AI Product Testing

Test scraping processes, data pipelines, and distributed services in live environments
Test retries, rate limits, partial failures, degradation of external sources, and process recovery
Perform load and performance testing of critical services




Contribute to automated quality gates and quality metrics
Apply AI tools for test generation, log analysis, edge-case discovery, and regression automation

Requirements

6+ years of experience in QA / Quality Engineering
Strong hands-on manual testing experience with complex web and SaaS products
Test automation experience in Python and TypeScript/JavaScript
Solid understanding of API testing, microservices, and distributed systems
Experience with CI/CD and Docker
Experience with Grafana, Jaeger, OpenTelemetry, or similar observability tools
Performance testing experience
Comfort working with logs, metrics, and production incidents

Nice to Have

Understanding of HTTP, DNS, TLS, proxy networks, caching, queues, retries, and rate limiting
Experience testing scraping, data platform, or high-load API products
Experience with Kubernetes
Experience integrating automated tests into CI/CD pipelines
Practical experience using AI in test auto

📌 Senior QA Automation Engineer (España)
🏢 Infatica.io
📍 España