
Job Overview
Location
Remote - APAC
Job Type
Full-time
Category
QA Engineer
Date Posted
May 16, 2026
Full Job Description
📋 Description
- • Responsible for end-to-end testing of blockchain products including functionality, performance, security, and automation across the entire development lifecycle.
- • Participate in requirement analysis to evaluate the rationality and testability of product specifications, ensuring testability is embedded from early design stages.
- • Contribute to major product requirement and architecture design reviews to validate technical feasibility and identify testing risks prior to implementation.
- • Design, develop, and maintain automated test cases, testing tools, and testing platforms to enhance testing efficiency, coverage, and reliability of blockchain systems.
- • Execute DApp testing covering functional validation, performance benchmarks, and security assessments to ensure robustness of decentralized applications.
- • Conduct browser-based testing for blockchain-integrated web environments, applying knowledge of blockchain-compatible browsers to identify interface, compatibility, and transaction flow issues.
- • Gain deep expertise in blockchain protocols and systems to identify and solve complex testing challenges unique to decentralized environments.
- • Establish and evolve a scalable blockchain testing framework that standardizes processes, improves defect detection, and supports institutional-grade adoption.
- • Collaborate with engineering, product, and security teams to ensure quality standards align with institutional and regulatory expectations for real-world asset (RWA) on-chain platforms.
- • Research emerging blockchain technologies and testing methodologies to stay ahead of industry advancements and integrate best practices into the testing pipeline.
- • Analyze and report defects with precision, providing clear reproduction steps, impact assessments, and suggested fixes to accelerate resolution.
- • Work within a fully remote APAC-based team to deliver high-quality testing outcomes across distributed development cycles and time zones.
- • Maintain and update test documentation to reflect system changes, ensuring transparency and knowledge transfer across teams.
- • Contribute to continuous improvement of testing processes by identifying bottlenecks, proposing automation opportunities, and measuring test effectiveness through metrics.
- • Engage with open-source blockchain projects and community tools to validate testing approaches and contribute back improvements where applicable.
- • Translate technical specifications from English documentation into actionable test plans and execute tests with minimal supervision.
- • Advocate for quality culture by mentoring junior engineers and promoting test-driven development principles across engineering teams.
Skills & Technologies
About Windranger Labs Pte. Ltd.
Windranger Labs is a Singapore-based blockchain technology company focused on building decentralized infrastructure for the BitSong ecosystem. The company provides validator services, staking solutions, and governance tools for Cosmos SDK-based networks. Founded in 2021, Windranger operates as a core contributor to the BitSong blockchain while offering professional validation services and developer tools for Web3 applications.
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