| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Binance | Hong Kong, Hong Kong |
| |||
Brave | San Francisco, CA, United States | $90k - $120k | |||
Fin | New York, NY, United States | $125k - $250k | |||
Okx | Remote | $90k - $100k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Launchpadtechnologiesinc | Latam | $81k - $90k | |||
LI.FI | Remote | $60k - $90k | |||
Kraken | London, United Kingdom | $86k - $91k | |||
Copperco | Remote | $54k - $77k | |||
Bitpanda | Remote | $106k - $114k | |||
Bitcoindepot | Remote | $112k - $117k | |||
Binance | Taipei, Taiwan |
| |||
Kraken | London, United Kingdom | $98k - $106k | |||
Rampnetwork | Remote | $74k - $98k | |||
CoinTracker | United States | $130k - $160k | |||
Freedx | Remote | $94k - $120k |
Senior Performance QA Engineer
Responsibilities
- Translate business and technical requirements into concrete performance test plans.
- Design and implement architecture-level and code-level optimizations to enhance system throughput and stability.
- Work closely with DevOps to ensure production-level high availability across distributed systems.
- Build and execute performance testing strategies covering load, stress, scalability, and reliability.
- Independently troubleshoot real-time performance issues, identifying root causes and delivering solutions end-to-end.
- Develop internal tools for automated performance monitoring, testing, and issue analysis.
Requirements
- Strong ability to identify performance bottlenecks at system, service, and code levels, with actionable solutions.
- Hands-on experience troubleshooting microservice performance issues.
- Deep expertise in Java performance tuning, profiling, and JVM-level optimization.
- Proficiency with relational and NoSQL databases (MySQL, MongoDB).
- Familiarity with performance analysis for middleware such as Kafka, Redis, RabbitMQ.
- Practical experience setting up performance test environments.
- Experience with containerization and orchestration (Docker, Kubernetes).
- Solid Linux skills, both command-line and system-level troubleshooting.
- Strong passion for building systems that excel in performance, scalability, and reliability.
- Practical experience using performance engineering tools such as K6 or JMeter.
- Programming language requirement: Java (must). Rust experience is a plus.
- Hands-on experience with public cloud platforms (AWS, Azure, GCP, AliCloud).
- Experience setting up monitoring/observability stacks (Prometheus, Grafana).
- Prior experience conducting performance tests in production environments.
- Experience triaging and resolving production performance incidents.
- Linux kernel or OS-level performance analysis skills.
- Experience working within distributed, remote teams.
- Ability to leverage APM tools effectively for performance troubleshooting.
What is a QA in a job?
QA stands for Quality Assurance, which is a process or department in a company responsible for ensuring that products or services meet a certain level of quality
In a job, QA may refer to the role of a Quality Assurance Engineer or a Software Testing Engineer, who is responsible for designing and implementing quality control procedures to ensure that products or services meet the company's quality standards
A QA Engineer may be involved in various stages of the product or service development cycle, from designing and planning quality control procedures to executing testing and analysis to identify and address issues or defects
They may also work closely with other departments, such as engineering, product management, and customer support, to ensure that customer needs are met and that products or services meet the desired level of quality
In the context of Web3, Quality Assurance (QA) refers to the process of testing decentralized applications (DApps), smart contracts, and other blockchain-based solutions to ensure their functionality, security, and performance
The role of a QA Engineer in Web3 may involve designing and implementing testing strategies to identify and fix bugs, vulnerabilities, and other issues that could affect the user experience, data integrity, or network security
Some of the specific responsibilities of a QA Engineer in Web3 may include:
- Developing test cases and scenarios for DApps, smart contracts, and other blockchain-based solutions
- Conducting automated and manual testing to identify and fix issues
- Collaborating with developers, product managers, and other stakeholders to ensure the quality of the product
- Ensuring that DApps and smart contracts are compatible with different blockchain networks and standards
- Contributing to the development of tools and frameworks for testing Web3 applications.