QA Performance Engineer

QA · Tampa, Florida
Department QA
Employment Type Full-Time

About Celsius Network

Celsius addresses the financial needs of today’s consumers worldwide through a democratized interest income and lending platform accessible via mobile and desktop app. With a mission to put unparalleled economic freedom in the hands of the people, and a core belief that financial services should only do what is in the best interests of the community, Celsius is a modern earning and lending platform where membership provides access to curated financial services that are not available through traditional financial institutions. Crypto holders can earn yield on the digital assets in their account with Celsius, and can borrow fiat or stablecoins against their crypto collateral at the lowest interest rates in the space.

The Celsius team is committed to doing good and doing well. We believe in the power of disruption and the importance of decentralization to create a new system that acts in the best interest of everyone. Each member of our team brings something unique and innovative to the table, but the common thread that links us together is our passion for blockchain, equality, and leading the next financial revolution that changes the equation to bring power back to the people.


Celsius is looking for a great QA Performance Engineer who will join our company’s ongoing efforts for better software. It's an exciting position where you'll be responsible for designing, implementing, and supporting performance testing systems and strategies. The primary focus will be on our backend APIs. You will work closely with our developers, product, and other teams. 


  • Design, code, test, deploy and maintain performance testing solutions that provide automated test coverage of business functionality for the team.
  • Working closely with backend team and Product on features, system integration, and performance testing
  • Maintain test suites within team
  • The Scripting and execution of Performance testing within the project framework
  • Diagnose defects and track them from discovery to resolution. 
  • Remains positive and focused when faced with change in direction.
  • Reporting to the QA Lead 


  • 2+ years of hands-on experience in performance testing - Must
  • Must have proven experience with jMeter and blazeMeter - Must
  • Expertise in writing, updating, maintaining performance testing scripts.
  • Proven experience in designing, implementing and maintaining workload models based on infrastructure.
  • Thorough knowledge of Agile software delivery models (Scrum, Kanban etc.)
  • Knowledge of build tools and continuous integration using Bitbucket, Maven, Jenkins, Sonar, GitHub etc.
  • Experience in AWS – Advantage
  • Hands on experience in any one of the following language: Java, JavaScript, Python
  • Detailed and effective written communication skills for documenting the features tested and bugs found 
  • Experience reviewing architecture and design principles, and providing recommendations for improving application/system performance
  • Highly organized, detail-oriented, extremely responsive, and able to prioritize a large number of tasks 
  • Self-motivated work well independently and with others 
  • Ability to quickly learn new concepts and software 
  • Very good verbal communication skills

Thank You

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  • Location
    Tampa, Florida
  • Department
  • Employment Type