Senior QA Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior QA Engineer (Web) based in Argentina. This is a senior quality assurance role focused on ensuring the reliability and quality of business-critical web features from technical hand-off through production release. You will own testing strategy and execution across functional, exploratory, regression, UI/UX, cross-browser, and end-to-end API scenarios. The role combines strong web testing expertise with close collaboration across Product, Front-End, Back-End Engineering, and Architecture. You will help establish thorough test coverage, identify defects early, and ensure releases meet high standards for stability and user experience. You will also contribute to production validation, monitoring, and continuous improvement of QA processes and metrics. The environment is fully remote, international, and collaborative, with opportunities to contribute to test automation and modern quality practices. This is an opportunity to have meaningful ownership over product quality while working with a globally distributed technology team. \n Accountabilities Drive quality assurance for business features from technical hand-off through successful production release, ensuring functionality, stability, and user experience meet expected standards. Review technical specifications, identify testing requirements, prepare test plans, and create comprehensive test cases and checklists before stabilization begins. Estimate testing efforts accurately, communicate expectations clearly, and consistently deliver committed QA work within agreed timelines. Execute functional, exploratory, regression, UI/UX, cross-browser, responsive, and end-to-end API testing across modern browsers and viewport configurations. Validate web applications across Chrome, Safari, Firefox, Edge, and mobile-responsive environments, identifying browser-specific and device-related issues. Perform API testing using REST and GraphQL interfaces, including test-data preparation and validation of backend behavior. Support web test automation initiatives and contribute to automated coverage where appropriate, including through frameworks such as Playwright, Cypress, or Selenium. Maintain thorough test documentation, participate in peer reviews, and review test automation code when involved in automation activities. Collaborate closely with Product Managers, Front-End and Back-End Engineers, Architects, and other stakeholders throughout the development lifecycle. Support production releases by validating builds, conducting smoke and regression testing, and monitoring live application errors and performance after deployment. Investigate defects using browser developer tools and debugging proxies, helping teams identify root causes and reproduce issues efficiently. Track and improve key QA metrics, including escaped defect rates and test coverage, using data to identify opportunities for continuous improvement. Contribute to the ongoing evolution of QA processes, standards, documentation, and testing practices across the product development lifecycle. Requirements Strong foundation in QA methodology, test design, defect management, and the overall software testing lifecycle. Demonstrated experience testing modern web applications, with a solid understanding of client-server architecture and technologies including HTTP/HTTPS, REST, DOM, cookies, cache, and local storage. Hands-on experience with cross-browser and responsive testing across Chrome, Safari, Firefox, Edge, and mobile viewports. Comfortable using browser DevTools and debugging or interception proxies such as Proxyman, Charles, Fiddler, or equivalent tools. Practical API testing experience with Postman, REST and/or GraphQL, including the ability to work effectively with test data. Experience using Jira, Allure TestOps or a similar test management platform, and Git. Experience with web test automation using Playwright, Cypress, or Selenium is a strong advantage. Basic scripting knowledge in JavaScript/TypeScript or Python is a plus, particularly for supporting automated testing and QA tooling. Strong attention to detail, analytical thinking, and problem-solving skills, with the ability to identify issues systematically and assess their potential impact. Excellent time management and organizational skills, with the ability to prioritize multiple testing activities and meet delivery commitments. Clear and effective communication skills, with the ability to collaborate across technical and product teams. Fluent Russian and good English are both required for effective communication within the international working environment. Benefits Fully remote, full-time work from Slovenia. The initial compensation level or salary range will be communicated to candidates during the recruitment process and before employment begins. 28 calendar days of vacation per year. 7 wellness days annually, providing additional paid time off for personal matters, recovery, or household needs without requiring sick leave. Referral bonuses of up to $5,000 for successfully recommending candidates who join the organization. 50% reimbursement for professional training, international conferences, and professional meetings. Corporate discounts for English-language lessons. Health support of up to $1,000 gross per year per employee where corporate medical insurance is not available, which can be used toward self-purchased health insurance or eligible medical expenses for the employee and close relatives. Workplace setup support, including an equipped workplace and necessary equipment in available offices or coworking locations. Reimbursement of home-office or coworking expenses of up to $1,000 gross once every three years, based on eligible expenses, including desk, chair, internet, or coworking costs. Internal gamified recognition and appreciation system, allowing employees to receive rewards from colleagues and exchange them for merchandise, team-building activities, massage certificates, and other benefits. International and fully distributed working environment with opportunities to collaborate across cultures and regions. Professional development opportunities through training, conferences, language learning, and knowledge-sharing activities. \n How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1