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Performance & Capacity Engineer

Posted: 6 May 2021 Closes: 5 Jun 2021
London, United Kingdom Competitive
Permanent & Full-time 843974581

Facebook is seeking a software engineer to join the Capacity Engineering & Analysis team to focus on site-wide performance and capacity projects. This person would be required to work cross-functionally with a number of teams to ensure optimal operation and growth of our computing resources from both a cost and technology perspective. Tens of billions of user requests, hundreds of peta bytes of data, thousands of giga bps of network flow. Help build one of the largest Internet services in the world! This position is full-time and based at our London office.

Performance & Capacity Engineer Responsibilities

  • Scale the largest web capacity in the world

  • Work with Product Engineering, Infrastructure Engineering, and Data Engineering teams to find the optimal way to scale the infrastructure

  • Own end-to-end product design, launch, and operation: Support the design and development of novel performance tooling and infrastructure

  • Tackle the state-of-the-art hardware/software performance issues: Analyze and debug difficult server performance issues (latest in industry), identify bottlenecks and optimize product/service performance to improve user experience

  • Solve the hardest software performance issues: Work with software developers closely to improve code base performance (e.g. algorithm redesign), reduce resource consumption and shorten request latency

  • Develop the coolest tools to monitor billions of user requests: Write monitoring, reporting, data-mining tools to do performance and capacity-related tests and analysis

  • Provide deepest visibility to what is going on for all products: Run capacity and performance experiments to determine scaling and utilization parameters for various service tiers

  • Find the game changers and bring them on: Work across engineering function to develop cutting-edge technologies for performance analysis and remediation

  • A lot of other cool work: Identify capacity-related issues proactively and work with systems, network, application operations and engineering teams to discover resolutions

Minimum Qualifications

  • BS degree in Computer Science, Electrical Engineering, Operations Research or other technical field

  • Solid experience in coding & scripting languages such as C, C++, C #, Java, PHP or Python

  • Experience in performance engineering or capacity engineering

  • Analytical, budgeting and planning skills

  • Interpersonal and communication skills

  • Experience working with cross-functional teams

Preferred Qualifications

  • MS or PhD degree in Computer Science, Electrical Engineering, Operations Research or other technical field


About the Facebook company

Facebook's mission is to give people the power to build community and bring the world closer together. Through our family of apps and services, we're building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together. Whether we're creating new products or helping a small business expand its reach, people at Facebook are builders at heart. Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways. Together, we can help people build stronger communities - we're just getting started.

Facebook is committed to providing reasonable support (called accommodations) in our recruiting processes for candidates with disabilities, long term conditions, mental health conditions or who are neurodivergent, and to candidates with sincerely held religious beliefs or requiring pregnancy related support. If you need support, please reach out to
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