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Staff Software Engineer, Core Libraries - Slack

Salesforce

$211,500 - $334,600
Oct 9, 2025
Atlanta, GA, US
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To improve the performance and reliability of Slack's Webapp platform, and to support the development of infrastructure and product features

Requirements

  • Possess strong Computer Science fundamentals: data structures, algorithms, programming languages, operating system, distributed systems
  • Strong systems thinking abilities
  • Experience with Linux, including common debugging and profiling tools
  • Experience building large scale systems professionally for 8-10 years and can point to things you’ve worked on
  • Experience improving performance and reliability of a complex system
  • Experience with Software-as-a-Service (SaaS)
  • Write code that can be easily understood by others with an eye towards clarity and maintainability

Responsibilities

  • Collaborate with peers across Engineering to triage bugs and troubleshoot complex production issues across the stack, especially with respect to performance, memory, and stability
  • Write, review, or provide feedback on a technical design proposal
  • Maintain client libraries that allow backend engineers to access all the capabilities of the Webapp platform
  • Work with the Webapp Hack Language static analysis tooling (Hakana), health score tooling, legacy code migration, and metadata insights (Census) and error tooling infra (Sieve)
  • Get feedback on and own the direction and growth of the Webapp standard libraries, and Core Service client; comprising encryption, storage, caching and other features
  • Webapp customer engagement, including NPS survey and interviews, best-practices, and dev advocacy to understand at the core the challenges facing product developers at Slack
  • Troubleshoot complex production issues across the stack

Other

  • Are a very strong communicator
  • Are comfortable leading cross-functional projects and setting a vision for systems architecture
  • Are curious how things work and when things break you are eager and able to help fix them
  • Are comfortable mentoring and coaching engineers and sharing feedback
  • Bachelor's degree or equivalent experience