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Manual QA Engineer

Ruby Labs Ltd.

Job Overview

Location

Ukraine

Job Type

Full-time

Full Job Description

📋 Description

• Manual QA Engineer role focused on ensuring stability of a payments platform during frequent releases and urgent hotfixes, critical for maintaining trust in financial transactions.
• Day-to-day responsibilities include manual testing of Web UI and APIs, risk-based testing of payment flows, API/E2E validation using Postman/Newman, data validation in PostgreSQL, maintaining regression/smoke suites, converting production incidents into test cases, collaborating with engineers/PMs, and providing concise release reports.
• Ruby Labs is a leading tech company creating innovative consumer products across health, education, and entertainment industries, with a focus on driving the future of consumer-led solutions through agile, continuous delivery practices.
• The role offers opportunity to deepen expertise in payment systems, API testing, financial domain knowledge (auth/capture, refunds, 3DS, SCA), and incident-driven test improvement while working in a fast-paced, Kanban-based environment with high autonomy and impact.

🎯 Requirements

• 3+ years in QA with strong manual testing fundamentals
• Strong API testing skills (Postman/Newman, curl, Swagger/OpenAPI)
• Practical understanding of auth vs capture, refunds, webhooks, idempotency, retries
• Basic SQL (PostgreSQL) for validating records, joins, and state transitions
• Experience with logs/monitoring tools (Grafana, Kibana/ELK, Sentry or similar)
• Comfortable working in Kanban / no-sprints / fast-changing requirements
• Good English (written + spoken) for remote async collaboration

🏖️ Benefits

• Remote Work Environment: freedom to work from anywhere, anytime
• Unlimited PTO: unlimited paid time off for well-being
• Paid National Holidays: time off to recharge on national holidays
• Company-provided MacBook: top-notch Apple hardware for productivity
• Flexible Independent Contractor Agreement: autonomy, tax advantages, and entrepreneurial flexibility

Skills & Technologies

Ruby

PostgreSQL

REST

Pytest

Remote

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Ruby Labs Ltd.

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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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