Job Overview
Location
Ukraine
Job Type
Full-time
Category
Engineering
Date Posted
July 10, 2026
Full Job Description
đź“‹ Description
- • We’re building and scaling a high-growth D2C product in the LegalTech / Utilities space and are looking for a QA Engineer who takes real ownership of product quality.
- • This is a hands-on, manual QA–first role in a fast-moving environment where features ship often, experiments run continuously, and quality cannot be an afterthought.
- • You’ll work closely with Product and Engineering to ensure that what reaches users is stable, reliable, and works as expected across browsers, devices, and real-world scenarios.
- • We’re not looking for someone who only executes test cases. We’re looking for a quality owner — someone who thinks in user journeys, spots risks early, understands how systems break in production, and proactively raises issues before they impact customers.
- • This is not a checkbox or 9–5 role. The pace is high, expectations are clear, and your work will have direct impact on user experience, conversion, and trust in the product.
- • Core responsibilities include:
- • Strong understanding of modern web application architecture.
- • Deep knowledge of browser behavior, including cookies, sessions, localStorage, cross-tab and cross-device session handling.
- • Solid understanding of authentication mechanisms, including magic link / passwordless authentication, OAuth / SSO concepts (Google, Microsoft).
- • Experience testing subscription-based products (billing flows, access control, edge cases).
- • Good understanding of release cycles, regression testing, and risk-based QA.
- • Mandatory tools and technologies include:
- • BrowserStack (or equivalent) — mandatory for cross-browser and cross-OS testing, mobile emulation and real-device testing.
- • Browser DevTools for network inspection, basic console error analysis, cache and storage debugging.
- • Issue tracking tools (Jira, Plane, or similar).
- • Basic familiarity with analytics and logging tools (Mixpanel, Sentry, or equivalents).
- • Testing and QA approach includes manual QA–first mindset with strong attention to detail and edge cases, ability to think in real user scenarios, not just happy paths.
- • Strong regression mindset — ability to identify areas that break repeatedly.
- • Comfortable testing partially implemented or fast-changing features.
- • Able to validate fixes independently, without relying on step-by-step instructions.
- • Consistent focus on quality across environments and releases.
- • Technical awareness includes ability to read and understand API responses (REST / JSON), familiarity with HTTP status codes and common error types, awareness of common frontend and deployment-related issues.
- • Work style and collaboration includes clear, structured written communication of bugs and findings, ability to describe issues using steps to reproduce and expected vs actual behavior.
- • Proactive mindset — flags risks and potential issues early.
- • Comfortable working directly with developers and product managers.
- • Takes ownership of quality, not just test execution.
🎯 Requirements
- • Strong understanding of modern web application architecture.
- • Deep knowledge of browser behavior, including cookies, sessions, localStorage, cross-tab and cross-device session handling.
- • Solid understanding of authentication mechanisms, including magic link / passwordless authentication, OAuth / SSO concepts (Google, Microsoft).
- • Experience testing subscription-based products (billing flows, access control, edge cases).
- • Good understanding of release cycles, regression testing, and risk-based QA.
🏖️ Benefits
- • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
- • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
- • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
- • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
- • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities.
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Ruby Labs Ltd.
Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.
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