Performance Management Specialist
Bithumb helps users trade cryptocurrencies with Korean won through a centralized spot exchange with staking and lending services.
Funding history
Investors
About Bithumb
Bithumb is a cryptocurrency exchange platform serving South Korean and international traders with spot trading across multiple digital assets paired primarily with Korean Won. The platform provides trading tools including automated bots and API access, alongside payment services through Bithumb Cash that enable cryptocurrency transactions at retail merchants and e-commerce platforms. Users can generate passive income through staking programs and a coin rental service. Originally launched as Xcoin in 2014 and rebranded to Bithumb in 2015, the exchange operates as a licensed Virtual Asset Service Provider under South Korean financial regulators.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will establish performance testing strategies and plans, validate API, batch, and asynchronous systems, analyze the impact of architecture changes, identify bottlenecks, develop improvements, verify stability before production deployment, lead test data and environment preparation, and report results to stakeholders.
Requirements
- 10 or more years of performance testing and quality verification experience
- Experience leading work in a large-scale traffic environment
- Understanding of MSA, API Gateway, batch, Kafka, cache, and database architectures
- Ability to analyze synchronous and asynchronous bottlenecks
- RDB performance verification and analysis of queries, indexes, lock contention, and connection pool issues
- Ability to interpret TPS, latency, GC, and database execution plans using APM and monitoring tools
- Proficiency designing and performing tests with JMeter or LoadRunner
- Communication and reporting skills for working with development, DBA, infrastructure, security, and other stakeholders
- Experience in high-availability and high-traffic environments is preferred
- Experience verifying the performance of Kafka, MSK, Redis, WebSocket, FCM, KMS, and external API integrations is preferred
- Experience leading performance improvement and tuning projects is preferred
- Experience with deployment verification, incident reproduction, recovery scenarios, and circuit breaker policies is preferred
- Experience testing and estimating resources in AWS infrastructure is preferred
Responsibilities
- Establish performance testing strategies and plans
- Validate API, batch, and asynchronous system performance
- Analyze the impact of architecture changes
- Analyze bottlenecks and develop improvements
- Verify stability before production deployment
- Lead test data and environment preparation
- Report results and communicate with stakeholders
Benefits
- Flexible working hours
- Welfare points
- Commuting transportation support
- Breakfast provided
- Meal allowance
- Dinner meal support
- Holiday meal support
- Unlimited snacks and drinks
- Housing support
- Childcare support
- Holiday and Parents' Day gifts
- Health screenings for employees and family members
- Group accident insurance
- Employee club support
- Resort and condominium accommodation support