Web/App Test Engineer

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 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.

Key Responsibilities: Design and maintain comprehensive Web/App test cases and test plans covering functionality, compatibility, and interaction Develop and maintain UI/API automated tests using Java, Python, or JavaScript to ensure high coverage and reliability Combine automation and manual exploratory testing to validate user scenarios and discover potential experience issues Perform root cause analysis on test failures and production issues, and drive fixes to closure Identify blind spots in test coverage and continuously improve automation effectiveness Participate in testing for new features — define expected behaviors, system impact, and risk points from a user-experience perspective Conduct App compatibility testing across devices, OS versions, and screen sizes, as well as Web cross-browser and cross-resolution testing Participate in performance testing (page load time, App cold start / warm start, etc.) and ensure stability under high-concurrency and weak-network scenarios

Requirements: Strong coding ability in at least one of Java, Python, or JavaScript (live coding assessment required) Extensive Web/App automation testing experience with tools such as Selenium, Appium, Playwright, etc. Solid understanding of Web/App testing methodologies and automation framework design Proficiency in SQL for data validation and issue troubleshooting Proven root cause analysis ability to solve complex quality problems Familiarity with Web front-end technologies (HTML/CSS/JS) and mobile platform fundamentals (Android/iOS architecture and characteristics) Experience building testing tools, platforms, or quality infrastructure

Ideal Candidate Profile: Background:

1–5 years of QA or test development experience, including at least 1 year of Web or App automation testing Strong coding skills — able to write code from scratch, not just scripts Proficient in SQL for independent data validation and troubleshooting Hands-on mobile or Web testing experience

Core Competencies:

Automation capability: Can design and develop automation frameworks, not just use existing tools Root cause analysis: Can trace test failures or production issues back to their root cause SQL & data validation: Can write complex SQL to verify data consistency and troubleshoot data-related bugs Cross-platform understanding: Understands Web/App architecture, including front-end/back-end interaction, network requests, cache mechanisms, and WebView UX sensitivity: Can identify experience issues from the user's perspective, not just whether functionality works Test tooling: Experience building test platforms, tools, or quality infrastructure Collaboration drive: Can push developers to fix issues rather than passively waiting

Soft Skills:

Rigorous and detail-oriented "Destructive thinking" mindset — adept at finding system weaknesses Strong communication — bridges developers and product managers Quality ownership mentality — treats quality as personal responsibility

Bonus Points: Payment, transaction, or financial system QA experience AI tooling usage experience Crypto / Web3 industry background Hands-on App compatibility testing experience using cloud device platforms such as Testin or WeTest Weak-network testing experience using tools such as Charles or Fiddler