QA自動化エンジニア（派遣）

Only for candidates residing in Japan. Join an industry-leading technology company as a QA Automation Engineer and help ensure the quality, performance, and reliability of high-throughput web applications processing real-time global transactions. In this role, you will take ownership of the complete software testing lifecycle, from test planning and automation framework development to performance validation and final release sign-off. Working with global engineering teams, you will test complex microservices architectures, strengthen automated testing processes, and help prevent production incidents across mission-critical platforms. This is an excellent opportunity for an experienced QA Engineer in Tokyo to deepen their expertise in test automation, microservices, CI/CD, and performance testing within a large-scale international technology environment. Key Responsibilities Design, execute, and report on comprehensive functional and non-functional test plans to identify risks and prevent production incidents. Build, maintain, and enhance scalable test automation frameworks and automated scripts to improve software quality and accelerate release cycles. Conduct end-to-end QA for high-throughput microservices and web applications supporting real-time global transactions. Collaborate with global engineering teams and external development partners through technical discussions, test reviews, and quality improvement initiatives. Take ownership of the complete testing lifecycle, from requirements analysis and test strategy through execution, defect management, and final sign-off. Troubleshoot complex quality and performance issues while continuously improving QA processes and automation coverage. Required Skills and Qualifications Experience: Minimum of 5 years' experience in functional and non-functional test planning and execution for web applications. At least 3 years' hands-on experience testing microservices-based applications. At least 2 years' experience in QA automation, including test automation framework design and implementation. Experience testing complex, high-throughput, or mission-critical web applications. Hands-on knowledge of automated software testing practices across the development and release lifecycle. Soft Skills: Strong troubleshooting and problem-solving capabilities with a proactive approach to resolving technical blockers. High level of project ownership and accountability throughout the QA lifecycle. Adaptable and fast-learning mindset suited to a dynamic engineering environment. Strong collaboration skills for working effectively with global and cross-functional engineering teams. Language Requirements: Japanese: Basic level. English : Fluent / Business level, with TOEIC 800+ or equivalent preferred for global team collaboration. Preferred Skills & Qualifications Experience with test automation tools such as Cypress, Selenium, and Cucumber. Programming experience with Java, Python, JavaScript, or Go. Hands-on knowledge of microservices technologies and protocols including gRPC and GraphQL. Experience with Kafka, Elasticsearch, Redis, and MySQL. Experience integrating automated testing into CI/CD pipelines using Jenkins. Knowledge of performance testing and monitoring tools such as Gatling and Grafana. About the Company Our client is an industry-leading global technology company operating large-scale digital platforms that process billions of real-time transactions worldwide. Its engineering teams leverage modern microservices architecture, sophisticated fraud detection technologies, and advanced automation to deliver secure, reliable, and high-performance services to millions of users. Engineers work in an innovation-focused environment where solving complex technical challenges and continuously improving software quality are central to the culture. Why You'll Love Working Here Competitive hourly rate of ¥3,000-¥3,500. Flexible hybrid working model supporting a healthy work-life balance. Work on high-throughput, mission-critical platforms processing real-time transactions at global scale. Build advanced expertise in QA automation, microservices testing, CI/CD, and performance engineering. Collaborate with international engineering teams in an English - speaking environment. Enjoy an on-site employee food hall with meals provided. Comprehensive Japanese social benefits, including health, labour, and employment insurance, plus a monthly transportation allowance. Comfortable casual dress working environment. Don't Miss Out - Apply Now!...