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Seniior Staff Software Engineer - Performance Engineering

Fivetran

Salary not specified
Dec 5, 2025
Oakland, CA, US
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Fivetran is looking to develop world-class enterprise capabilities and features in support of their largest and most sophisticated customers, ensuring their product base meets or exceeds performance standards.

Requirements

  • 10+ years of hands-on experience building and scaling high-throughput, low-latency distributed backend systems.
  • Deep expertise in Java performance engineering, including profiling, tuning, and garbage collection optimization.
  • Familiarity with performance testing frameworks, load simulation, and continuous benchmarking.
  • Strong understanding of algorithms, data structures, and systems design.
  • Hands-on experience with cloud-native infrastructure (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
  • Demonstrated experience influencing technical direction and engineering culture across teams.
  • Experience in JVM internals, async I/O frameworks (Netty, Vert.x), or reactive systems.

Responsibilities

  • Develop and Debug code to identify and fix performance issues
  • Analyze production workloads and system performance metrics to identify performance bottlenecks in our system.
  • Build proof of concepts and translate successful ones into solutions to maximize Fivetran product's performance and efficiency.
  • Build and maintain a platform that focuses on improving the performance, resilience and quality of Fivetran products.
  • Impact Fivetran business across product verticals through the work you do.
  • Develop deep expertise in Fivetran's Product, Infrastructure, and Platform.
  • Communicate, coordinate, and align strategy with the engineering team members; make recommendations to improve reliability, performance, best practices, and processes.

Other

  • 100% employer-paid medical insurance
  • Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
  • RSU stock grants
  • Professional development and training opportunities
  • Company virtual happy hours, free food, and fun team-building activities