Web3 Developer Jobs in Japan

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 300 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.About the RoleWe are seeking a highly skilled QA Automation Engineer to join our Asset&Wallet team. In this role, you will play a key part in ensuring the quality and reliability of our products across web, desktop, and mobile platforms. You will collaborate closely with engineers, product managers, designers, and operations teams throughout the entire software development lifecycle—contributing to test strategy, execution, and continuous improvement of our processes. This is an exciting opportunity to work with cutting-edge technologies, drive testing excellence, and help deliver world-class solutions in a fast-paced, global environment.

Responsibilities

• Participate in entire software development lifecycle, encompassing all stages from requirements analysis to test planning, execution, defect tracking, through to product delivery and maintenance.
• Work closely with fellow software engineers, product managers, user experience designers, and operation engineers, contributing insights and feedback on design optimization, and system implementation.
• Set up and manage testing environments (incorporating Java). Develop detailed, comprehensive, and well-structured test plans and cases. 
• Perform extensive testing, including black-box, white-box, security, automated scripts, performance, on multiple platforms such as Web, Windows, and Mobile OS.
• Stay ahead with the latest technology trends, persistently enhancing the team's testing process, methodologies, and efficiency.

Requirements

• At least 3 years of professional experience in QA Testing (Automation), ideally within a leading technology firm.
• Strong coding skills are required, with a solid understanding of Java and experience using popular automation frameworks. Exposure to iOS/Android development is an added advantage.
• Hands-on experience with mobile-specific testing techniques such as performance testing, Monkey stress testing, startup time measurement, frame rendering analysis, and network condition testing. Familiarity with secondary development tools will be considered a plus.
• Adept at designing and executing comprehensive test plans for complex projects.
• Proficient in root cause analysis to diagnose and resolve issues affecting software quality.
• Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders.

Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.