Senior Test Automation Engineer

Description

At ReversingLabs, our software supply chain security and threat intelligence solutions have become essential to advancing cybersecurity maturity around the globe. We're on a journey to expand adoption and accelerate growth by hiring top talent across the security industry.

Notable breaches such as SolarWinds, CircleCI, and 3CX have elevated software supply chain security as a top initiative across every organization developing or purchasing software. Only ReversingLabs delivers the software package analysis speed and intelligence needed to protect against this critical area of risk.

Our vision is clear. Arming every company with end-to-end insights to ensure development releases securely, IT purchases safely, and the SOC can effectively detect, isolate, and respond. 

We are looking for a Senior Test Automation Engineer who is 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 products. This role requires deep expertise in Python, Selenium, Playwright, and Pytest, along with strong collaboration and problem-solving skills.

You’ll be working in an Agile environment alongside developers, QA engineers, and product managers to drive quality from concept to release.

Key Responsibilities:

• 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

Requirements

• 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

Desirable:

• 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

Benefits

• On-site, hybrid, and remote work as options (paid accommodation and transportation to Zagreb during onboarding for remote employees), and 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, crafted in our very own Croatian R&D center
• 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