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QA Engineer
ReversingLabs
Quality Assurance, Software Engineering
Zagreb, Croatia
Posted on Sep 11, 2025
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 seeking a QA Engineer who is passionate about delivering secure, reliable, and high-quality software. As part of our cross-functional team, you will design and execute test strategies across UI, API, and backend systems. You will leverage automation frameworks (Playwright, Selenium, API test tools) and modern infrastructure (CI/CD pipelines, Docker, Kubernetes) to ensure that testing is efficient, scalable, and integrated seamlessly into our delivery process. Collaboration with developers, DevOps, and product managers will be key to building robust, customer-focused solutions.
Responsibilities
- Work closely with developers, DevOps, and product managers to define testing strategies and ensure smooth delivery in an Agile environment
- Design, document, and execute test cases (functional, regression, exploratory, performance) with clear traceability to requirements
- Monitor and report on product quality by identifying, documenting, and tracking defects in Jira
- Test and validate services across virtualized (e.g., VirtualBox), containerized (Docker, Kubernetes), and cloud-based environments (AWS)
- Build and maintain automated test suites for UI, APIs, and integrations using Playwright, Selenium
- Ensure tests are integrated into CI/CD pipelines for fast, reliable feedback
- Work closely with developers to ensure features are designed with quality and testability in mind from the start
- Contribute to QA knowledge sharing, tools evaluation, and QA improvements
- Proven experience as a QA Engineer in agile software development
- Proficiency in test design, documentation, and execution (manual + automated)
- Hands-on experience with automation frameworks (Playwright, Selenium, Cypress, or equivalent)
- Solid experience in API testing
- Knowledge of CI/CD processes and integrating tests into pipelines
- Familiarity with containerized test environments (Docker, Kubernetes)
- Programming/scripting skills in Python (preferred), JavaScript, or another OO/web language
- Strong analytical, debugging, and problem-solving skills
- Good knowledge of the English language
- Team player with a proactive, “can-do” attitude
Desirable
- Experience with Linux-based systems and shell scripting
- Experience with performance/load testing tools (Locust, JMeter, k6)
- QA certifications (e.g., ISTQB)
- Hybrid work options (paid accommodation & transportation to Zagreb during onboarding for remote employees)
- Flexible working hours
- Generous compensation and a bonus system based on annual performance
- Hefty personal education budget and the possibility to attend leading conferences and seminars in the field
- Company library and the possibility to order books of choice via Amazon
- Permanent contract in a fast-growing global company with Fortune 500 & governmental agencies as clients
- Challenging projects in a dynamic, collaborative team
- Opportunity to work on innovative solutions in malware analysis & software assurance, crafted in our very own Croatian R&D center
- Great career advancement opportunities - clear goals & internal promotions
- Employee referral bonus program: EUR 1,060 net for junior position, 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 for all employees