Friday, October 17, 2014

Lumosity - Senior Software Engineer - Performance/Scalability

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Senior Software Engineer - Performance/Scalability

San Francisco
Engineering
Full-time

It ain't easy running a web app with over 60 million users, but we do it anyway. We're a lean team of engineers that operates one of the largest RoR applications, uses agile methodologies and relies on data to test and iterate quickly.

YOU ARE

    • A curious and ambitious engineer that has a knack for taming traffic and scaling applications
    • A great problem finder and solver, who loves to work at scale
    • A RoR guru who understands the shortcomings of the Rails framework
    • Opinionated on gem costliness/efficacy

YOU WILL

    • Work closely with DevOps and Rails Engineers to establish performance pain points
    • Profile and optimize app start-up time
    • Create a performance test suite which can track the run-time of common controller actions
    • Profile and optimize GC usage/object creation/memory leaks
    • Mentor team on scalability best practices

YOU HAVE

    • Previous experience at scale with high-availability, consumer-facing Rails applications
    • Previous experience with testing, patching, and incorporating RoR fixes/updates
    • Created benchmarking systems to target performance and optimization issues
    • Pro-active security awareness and implementation experience

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