Job Title: Senior QA Engineer
Location: APAC (Remote)
Employment Type: Full-time
Job Overview
Windranger Labs, the growth engine behind Mantle Network, is seeking a highly skilled Senior QA Engineer with a deep understanding of blockchain technologies to lead and execute quality assurance efforts across decentralized applications (DApps), blockchain infrastructure, and public chain environments. This role offers a unique opportunity to be part of a DAO-led Layer 2 (L2) Ethereum project shaping the next phase of Web3 infrastructure.
About Windranger Labs
Windranger Labs supports the growth and success of the Mantle Network, a modular Ethereum Layer-2 rollup that combines high performance with low costs, while inheriting Ethereum's battle-tested security. As part of a decentralized organization, Windranger partners with top builders and communities to accelerate innovation across Web3, DeFi, and Metaverse ecosystems.
Our mission is to empower builders by providing robust infrastructure and operational support, enabling decentralized governance, and helping craft future-forward technology that is accessible and secure for all.
Key Responsibilities
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Lead functional, performance, security, and automation testing for blockchain-based products and services.
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Participate in end-to-end project lifecycles, from requirements analysis to final release validation.
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Write and maintain automation test cases, develop testing platforms, and create custom testing tools to improve QA efficiency.
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Collaborate with engineers and architects during design reviews to validate testability and technical soundness of proposed features and systems.
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Deeply research and tackle critical technical challenges in blockchain testing, building out long-term test strategies.
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Perform DApp testing across major dimensions: functionality, security, and scalability.
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Conduct blockchain browser testing, especially in tools designed to interface with smart contracts and L2 networks.
Your Craft (Requirements)
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Bachelor's degree or above in Computer Science, Software Engineering, or a related field.
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2+ years of experience in blockchain testing, with direct exposure to DApp environments.
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Hands-on experience with testing tools like Hardhat, Foundry, and frameworks such as Mocha, Chai, Cypress.
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Proficient in JavaScript/TypeScript, and comfortable working with Python, Golang, and Solidity.
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Strong background in Ethereum or other public chain protocols, with practical experience in public chain testing.
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Strong problem-solving and self-learning capabilities, with an ability to read and apply insights from English-language technical documentation.
Preferred Qualifications
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Deep familiarity with modular blockchain architectures.
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Experience working in DAO-governed environments or Web3-native organizations.
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Passion for open-source culture and decentralized collaboration.
Why Join Windranger Labs?
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Be part of a pioneering DAO-led Layer-2 initiative redefining scalability on Ethereum.
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Work with a globally distributed team driving some of the most innovative projects in Web3.
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Contribute to impactful, long-term advancements in the blockchain ecosystem.
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Enjoy the flexibility of remote work, open culture, and high-growth opportunities.
Ready to shape the future of decentralized technologies with a global Web3 leader?
Apply now to join Windranger Labs and make your mark in blockchain innovation.
- Company Name: Windranger Labs
- Average Salary Offered (for Current Role):12-15 LPA
- Must-have skills (in bullet points):
- Experience in blockchain testing and development (2+ years)
- Familiarity with testing tools like Hardhat, Foundy
- Knowledge of automated testing tools (Mocha, Chai, Cypress, etc.)
- Proficiency in JavaScript/TypeScript, Python, Golang, Solidity
- Understanding of Ethereum or other public chain projects
- Strong research abilities and self-driven personality
- Ability to read English documentation
- How to prepare for the Interview?
- Review your knowledge of blockchain technology, Ethereum, and other public chains
- Brush up on your skills in programming languages like Solidity, JavaScript/TypeScript, Python, and Golang
- Familiarize yourself with testing tools like Hardhat, Foundy, Mocha, Chai, and Cypress
- Prepare to discuss your experience in blockchain testing, DApp testing, and automated testing projects
- Be ready to showcase your research abilities and self-driven approach
- How to prepare the resume for this job description?
- Highlight your relevant experience in blockchain testing and development
- Emphasize your proficiency in the required programming languages and testing tools
- Showcase any projects or contributions related to blockchain testing or DApp testing
- Demonstrate your strong research abilities and self-driven personality through relevant examples
- Ensure your resume is well-structured, easy to read, and free of errors
- Links to prepare for the interview:
Remember, preparation is key to acing the interview and showcasing your skills and experience effectively.