Senior QA Engineer (TradeZella product)

Project description We’re looking for a QA Engineer who cares about product quality end-to-end, someone who gets trading through real experience, professional or personal. Trading doesn’t need to be your career; a hobby or a past chapter counts, but long-term investing alone doesn’t. You’ll join TradeZella , our trading journaling and educational platform, and focus on how the product works in real conditions: testing functionality, investigating edge cases, and resolving complex issues together with engineering, product, and support teams. This role requires a genuine interest in the trading domain, along with strong UX testing skills. Required skills Testing & QA expertise 🔹 Testing & QA expertise: 🔹 Strong experience with manual testing and end-to-end validation 🔹 Solid UX testing skills beyond formal requirements (user acceptance testing, business acceptance testing, usability validation) 🔹 Hands-on day trading experience (any market: stocks, forex, futures, crypto), past or present, professional or personal, with the ability to walk us through at least one strategy you’ve traded 🔹 Experience in investigating customer issues and performing root cause analysis 🔹 Experience in building and improving QA processes Technical skills: 🔹 Strong debugging and problem-solving skills, including log analysis (CloudWatch, Logs Explorer) 🔹 Good understanding of networks, HTTP, APIs, and web/client architectures 🔹 Experience with version control systems (GitHub, GitLab, etc.) 🔹 Experience using AI tools for workflow optimization Communication & mindset: 🔹 Ability to translate technical concepts for different audiences (engineering ↔ non-technical) 🔹 Strong sense of ownership and accountability 🔹 Structured, detail-oriented approach 🔹 Fluent English (written and spoken) As a plus 🔸 Experience with Playwright (TypeScript) We offer 🌎 Full-remote from any location or in one of our offices (Kyiv/Krakow/Warsaw) bit.ly/rw-remotecollab 💸 Competitive compensation, access to savings program, and deposit policy 💻 Thanks to our hardware policy, we use the best equipment and can regularly update it 🌴 34 days a year as paid time off (24 standard days + 10 more to cover public holidays) 🏋🏼 Health policy budget that will cover your private sports and healthcare expenses 🎤 Participate in our online and offline events ⌨️ Our offices are equipped with modern ergonomic chairs and standing desks 🍪 You can always find fresh food and drinks in our kitchen 🤝 In Ukraine, we collaborate through Diia.City 🤩 More about our benefits and how we work Responsibilities 🔸 Analyze requirements, test functionality, and identify defects, confusions, and edge cases 🔸 Own investigation of complex customer issues through L3 support, driving root cause resolution 🔸 Partner with engineering and product to resolve issues and improve system reliability 🔸 Improve QA practices and elevate debugging and investigation standards, including AI adoption practices 🔸 Support releases and ensure stable rollouts with active post-release follow-up