Performance Testing Engineer

We are currently looking for a Performance Testing Engineer to work with intelligent solutions that will allow our customers to accelerate discovery, obtain clinical insights and answer R&D questions.


Quantori is an international team: we have colleagues who work not only from offices but also remotely from all over the world.


  • Design, develop, and execute performance and scalability tests for a cloud-based data storage
  • Perform script load tests using a load generation tool
  • Conduct performance load tests, using increasing volumes of transactions and data volumes to profile software scalability
  • Analyze hardware utilization, response times, and throughput metrics
  • Assist in recording and documenting test results

What we expect:

  • Experience with performance and load testing of web applications (background in tools like Silk Performer, LoadRunner, JMeter, Gatling)
  • Background in software development (e.g. Java, C++/C#, JavaScript/TypeScript)
  • Hands-on experience with DB and SQL tuning (Oracle, SQL Server, PostgreSQL)
  • Skills in test result and resource monitoring analysis, as well as interpretation skills
  • Ability to apply methods of mathematical statistics
  • Excellent oral and written communication skills in English
  • Highly organized, structured, and motivated approach
  • “Can-do” attitude
  • Interest in web application relentless modelling for finding performance bottlenecks is a must
  • Degree in computer science, mathematics, or engineering, or equivalent experience in the software development industry

Nice to have:

  • Code profiling experience (e.g. JProfiler, vTune)
  • Experience with Amazon Web Services S3, Kubernetes
  • Prometheus and/or Grafana knowledge

We offer:

  • Part-time/ Full-time work
  • Highly competitive compensation
  • Remote or office work
  • Flexible working hours
  • Continuous education, mentoring and professional development programs
  • Strong management and tech expertise
  • Certifications paid by the company

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If you don't see an open position that suits your skills stack and/or professional background but you are interested in working with us — please send your CV to We will try to find something special and interesting for you!

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