United States

Senior Performance Engineer

If you’re passionate about music and interested in shaping the future of how it’s consumed and monetized, Jelli is a great place to work. We are the tech engine for the largest audio company in America, iHeartMedia, and it’s our mission to help people more deeply enjoy music and audio experiences by providing platform technology that supports free listening through better audio advertising.

Jelli is hiring a Senior Performance Engineer for our Platform team. As a member of this team, you will have a key role in our product’s success. You will work with developers to measure and optimize our audio advertising solutions for our customers — from the biggest brands to your favorite local coffee shop. You will own feature delivery from design to deployment while working alongside a team of smart people who like to jump right into things and aren’t afraid to get their hands dirty.


Note: We are currently working remotely due to COVID-19

  • Desirable office locations in San Mateo, Boise, and New York
  • Tight-knit teams that value teamwork and collaboration
  • Company-sponsored virtual activities like yoga, meditation, and workouts
  • Virtual wine tastings and game nights
  • A stocked kitchen with coffee, snacks, and endless beverages
  • Foosball and ping pong tables to keep things fun


  • Our SaaS applications are powered by Ember.js on the front end and Java on the back end
  • We utilize Amazon AWS infrastructure to host our application servers (Java, Python) and database server (MySQL, DynamoDB, MongoDB)


  • Design and conduct tests with complex workloads and data shapes to expose potential bottlenecks and failure points
  • Analyze performance results to identify system inefficiencies and suggest optimizations to address the same
  • Analyze metrics and trends to glean opportunities for performance improvements
  • Conduct technical presentations to educate teams on how to improve system performance
  • Devise innovative solutions to improve performance engineering effectiveness


  • 6+ years of professional experience in performance engineering and benchmarking
  • Strong coding skills (Java, MySQL)
  • Strong experience in bottleneck analysis, profiling and tracing
  • Extensive hands-on experience with performance engineering, including the use of JMeter, LoadRunner or similar tools, as well as profiling tools
  • Strong hands-on experience on system monitoring tools and frameworks
  • Comfortable with Linux, Docker, AWS, git, Nexus

*Please note that estimated salary ranges on Linkedin are not always reflective of our actual salary