QA Tester at CNDT

Full Time 1 month ago

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Employment Information

Industry Development

Job level Experienced Professional

Salary Attractive

Experience 7 Year

Job type Full Time

Location 深圳, Remote

Apply Before 20 Dec, 2026

Job Description

We are looking for a skilled Blockchain Test Engineer to join our team. The ideal candidate will be responsible for ensuring the quality and reliability of our blockchain-based trading systems through comprehensive testing methodologies.

Conduct testing for on-chain trading systems, including functionality testing for trading, quoting, routing, transaction status, ledger data, user wallets, and asset data.
Perform testing for decentralized wallets and hardware wallets.
Focus on the complete transaction lifecycle, including transaction initiation, routing, submission, on-chain confirmation, status updates, and ledger/wallet balance changes.
Test various transaction exception scenarios such as failed transactions, pending status, insufficient balance, insufficient Gas, Nonce exceptions, RPC exceptions, and duplicate submissions.
Utilize packet capture tools, logs, databases, and Linux systems for troubleshooting and issue identification, assisting developers in analyzing transaction failures and production anomalies.
Develop test scripts to automate core trading processes and data validation, improving testing efficiency and coverage.
Participate in production releases and regression testing, tracking and facilitating issue resolution to ensure system stability.

Job Requirements

2+ years of software testing experience, with preference given to candidates with blockchain, wallet, DEX, Swap, trading systems, or financial trading systems experience.
Practical experience with on-chain transactions and understanding of fundamental concepts like Transaction, Gas, Nonce, Pending status, Transaction Hash, and block confirmation.
Familiarity with common on-chain transaction scenarios and ability to interpret transaction statuses (success, failure, pending) through Transaction Hash analysis.
Proficiency in API testing using tools like Postman, Apifox, Charles, or Fiddler for issue analysis and troubleshooting.
Experience with MySQL or PostgreSQL, including writing SQL queries to validate transaction data, ledger data, and user assets.
Basic Linux operations knowledge for log review, process querying, service troubleshooting, and production issue analysis.
Programming skills in at least one language: Python, Java, Go, or JavaScript for test script development.
Preferred experience with automated API testing, regression testing, and tools like pytest, JMeter, or Postman Collection.
Strong attention to detail, data accuracy, and transaction anomalies with excellent problem-solving skills.
Effective communication and teamwork abilities to drive issue resolution and verification.

Preferred Qualifications

Experience with EVM, Ethereum, BSC, Base, Arbitrum, Solana, or other public blockchains.
Testing experience with wallets, DEX, Swap, cross-chain solutions, or trading bots.
Knowledge of automated test framework development or continuous integration testing.
Familiarity with Docker, Redis, Kafka, or similar technologies.
Experience with high-concurrency trading or stability testing.

Benefits

High-performance incentives
Remote work options
Quarterly bonuses
Project profit sharing

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AI Job Analysis

Intelligent Job Recommendations Based on Deep Learning

Ready for Analysis

Analyze Job Core Requirements

The QA Tester position at CNDT requires a specialized skill set in blockchain technology, particularly in testing trading systems and decentralized wallets. The role emphasizes comprehensive testing methodologies, automation, and troubleshooting within a blockchain environment.

2+ years of software testing experience, preferably in blockchain, wallet, DEX, Swap, or financial trading systems.
Proficiency in API testing tools (e.g., Postman, Charles) and SQL for data validation.
Programming skills in Python, Java, Go, or JavaScript for test script development.
Understanding of blockchain fundamentals (Transaction, Gas, Nonce, etc.) and ability to analyze transaction statuses.
Experience with automated testing frameworks (e.g., pytest, JMeter) and Linux systems for troubleshooting.

Understand Employer Recruitment Intent

CNDT is likely a blockchain-focused company, possibly involved in decentralized trading systems or financial technologies. The detailed job description suggests they are building or maintaining high-reliability blockchain-based trading platforms. The emphasis on testing decentralized wallets, on-chain transactions, and exception scenarios indicates a need for robust quality assurance in a complex, high-stakes environment. The preference for candidates with experience in EVM, Ethereum, and other public blockchains further underscores their focus on cutting-edge blockchain technologies. The benefits package, including remote work and performance incentives, aligns with tech startups or innovative fintech firms aiming to attract top talent in a competitive market.

MyJob Interviewer Says

As an interviewer for this role, I would prioritize candidates who demonstrate hands-on experience with blockchain testing, particularly in trading systems or decentralized applications. Key areas of evaluation would include their ability to troubleshoot transaction failures, automate test scripts, and validate ledger data. Strong problem-solving skills and attention to detail are critical, given the complexity of blockchain transactions. I would also assess their familiarity with tools like Postman, Linux, and SQL, as well as their ability to collaborate with developers to resolve production issues. Candidates who show initiative in improving testing efficiency and coverage through automation would stand out.

AI Matching Suggestions

To optimize your application for this QA Tester role at CNDT, focus on highlighting your blockchain testing experience and technical proficiencies. Tailor your resume and cover letter to align with the job requirements.

Emphasize any experience with blockchain technologies (Ethereum, BSC, Solana, etc.) and decentralized trading systems.
Detail your proficiency in API testing tools (Postman, Charles) and SQL for data validation.
Showcase your programming skills (Python, Java, Go, JavaScript) and any test automation projects.
Highlight your ability to troubleshoot transaction exceptions and analyze logs in Linux environments.
Prepare to discuss specific scenarios where you improved testing efficiency or resolved complex issues in previous roles.