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Mid LevelFull-timeTypeScriptGitAIAPI
Salary Range
$102,000 - $138,000 /year
This salary is estimated based on similar roles. The actual salary may vary.
We’re looking for a QA Engineer who cares about product quality end-to-end. You’ll work on Coupler.io — a no-code data integration and analytics platform that provides instant access to 400+ sources and processes millions of records daily, helping ensure its reliability, accuracy, and smooth integrations.
You’ll focus on how the product works in real conditions: testing integrations, investigating edge cases, and resolving complex issues together with engineering, product, and support teams
What are we looking for?
Testing & QA expertise:
• 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
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)
Would be a plus
• Experience with Playwright (TypeScript)
Your responsibilities
• 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
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About Railsware
Railsware is a software development company specializing in creating innovative solutions for businesses across various industries. Headquartered in Ukraine, the company has established itself as a trusted partner for organizations seeking to leverage cutting-edge technologies to drive growth and efficiency. With a strong focus on agile methodologies and client-centric approaches, Railsware has built a reputation for delivering high-quality software products tailored to meet the unique needs of its clients. Since its inception, the company has been committed to fostering long-term partnerships and delivering measurable results through its technical expertise and dedication to excellence. Railsware offers a comprehensive suite of services, including custom software development, mobile app creation, and web application design. The company's solutions are characterized by their scalability, performance, and user-friendly interfaces, ensuring that clients can seamlessly integrate new technologies into their operations. By employing a team of skilled developers, designers, and project managers, Railsware ensures that each project adheres to the highest standards of quality and functionality. Their target audience primarily consists of startups, SMEs, and large enterprises looking to enhance their digital presence and streamline their business processes through bespoke software solutions. Over the years, Railsware has achieved significant milestones, including successful collaborations with international clients and the delivery of award-winning projects. The company's market position is strengthened by its ability to adapt to evolving technological trends and its commitment to continuous innovation. What sets Railsware apart is its unique value proposition of combining technical proficiency with a deep understanding of client business objectives, ensuring that every solution not only meets but exceeds expectations. This client-focused approach has cemented Railsware's reputation as a reliable and forward-thinking software development partner.
