ReversingLabs is hiring a Senior Test Automation Engineer passionate about automation and quality engineering. You will play a key role in designing and implementing automated test solutions to ensure the reliability, scalability, and performance of our cybersecurity products. You’ll work in an Agile environment alongside developers, QA engineers, and product managers to drive quality from concept to release.

What You'll Do

Design, build, and maintain robust automated test suites using Selenium, Playwright, and Pytest in Python
Develop end-to-end, functional, regression, and integration tests across web and backend systems
Collaborate with developers and QA peers to define test strategies and identify automation opportunities
Integrate automated tests into CI/CD pipelines and ensure fast, reliable feedback on code changes
Own the quality of deliverables through thoughtful test design, execution, and defect analysis
Perform manual testing when needed to support exploratory efforts and validate edge cases
Actively participate in Agile ceremonies and contribute to a culture of continuous improvement

What We're Looking For

5+ years of experience in software quality engineering, with a focus on test automation
Proficient in Python for test automation
Solid experience with Selenium and Playwright for web UI testing
Strong understanding of software testing principles, methodologies, and best practices
Experience working with REST APIs and validating them using tools like Postman, REST-assured, or Python requests libraries
Familiarity with CI/CD tools (e.g. Jenkins, GitHub Actions, GitLab CI) and integrating test automation
Excellent debugging and troubleshooting skills across the test stack
Effective communicator with the ability to work in a cross-functional, agile team environment

Nice to Have

Experience of Pytest framework
Experience in Linux environments, scripting, and CLI-based testing
Familiarity with containerization tools (e.g. Docker, Kubernetes) for managing test environments
Exposure to performance or load testing tools (e.g. JMeter, Locust)
Background in cybersecurity or testing security-focused applications is a plus

Technical Stack

Languages/Frameworks: Python, Pytest
Web Automation: Selenium, Playwright
API Testing: REST APIs, Postman, REST-assured
CI/CD: Jenkins, GitHub Actions, GitLab CI
Infrastructure: Linux, Docker, Kubernetes
Performance Testing: JMeter, Locust

Team & Environment

You will be working in an Agile environment alongside developers, QA engineers, and product managers.

Benefits & Compensation

On-site, hybrid, and remote work as options
Paid accommodation and transportation to Zagreb during onboarding for remote employees
Flexible working hours
Generous compensation and a bonus system based on annual performance
A hefty personal education budget and the possibility to attend leading conferences and seminars in the field
Permanent contract with a fast-growing global company with Fortune 500 and government agencies as clients
Opportunity to work on innovative solutions in malware analysis & software supply chain security
Great career advancement opportunities – clear goals and internal promotions
Company library and the possibility of ordering books of choice via Amazon
Employee referral bonus program: EUR 1,060 net for junior positions, EUR 2,123 net for mid to senior positions, and EUR 2,654 net for principal/managerial positions
Multisport card, annual health checkup, newborn child allowance, rent-cost, and 3rd pillar pension benefits
Wellness Weekends – quarterly, company-wide three-day weekend, starting with a company-paid Friday off for all employees
Fully covered car garage in Radnička cesta for all employees