QA Engineer

Job not on LinkedIn

🕒 April 22

🇵🇱 Poland – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔧 QA Engineer (Quality Assurance)

👻 Ghost score 38%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Railsware

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2007

💼 Consulting

📣 Marketing

💳 Fintech

Consulting • Marketing • Fintech

Railsware is a product studio that specializes in building innovative technology products using Ruby on Rails, React, and React Native. The company supports entrepreneurs and offers services that include web and mobile development, as well as artificial intelligence and machine learning solutions. Railsware is notable for its successful products like Mailtrap, Coupler, and TitanApps, and it aims to empower businesses by providing top-notch technical partnership and resources.

📋 Description

• Analyze requirements, test functionality, and identify defects and edge cases • Own investigation of complex customer issues through L3 support, driving root cause resolution • Validate third-party API integrations across testing and production environments • Partner with engineering and product to resolve issues and improve system reliability • Improve QA practices and elevate debugging and investigation standards • Support releases and ensure stable rollouts with active post-release follow-up

🎯 Requirements

• Strong experience with manual testing and end-to-end validation • Experience in investigating customer issues and performing root cause analysis • Experience in API testing (working with docs + real behavior, identifying inconsistencies) • Experience in building and improving QA processes • 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 • 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)