Software Engineer Ii, Cloud Infrastructure - Slack

Salesforce Salesforce · Enterprise · Washington DC Metro, VA · Remote

Salesforce is seeking a Software Engineer II for their Cloud Infrastructure team at Slack. This role focuses on building and maintaining the core infrastructure that supports Slack's global operations, ensuring reliability, performance, and cost-efficiency. The engineer will own software projects end-to-end, architecting and building next-generation internal platforms, leveraging AWS services, and implementing infrastructure-as-code using Terraform. The role involves partnering with development teams to optimize performance and cloud efficiency, and driving significant cost savings.

What you'd actually do

  1. Own software projects end-to-end — from scoping and design through delivery and iteration
  2. Architect and build a next-generation internal platform that gives engineering teams a powerful foundation to innovate quickly
  3. Deliver cutting-edge solutions leveraging containerization, virtualization, and a broad suite of AWS services
  4. Author, extend, and improve Terraform modules that power infrastructure-as-code across Slack
  5. Design and implement an in-house system to deploy, manage, and scale applications for service owners

Skills

Required

  • Proven ability to analyze, optimize, and improve reliability in high-traffic, production internet applications
  • Deep, hands-on AWS experience — broad familiarity across many services with deep expertise in at least a few
  • Demonstrated experience deploying cloud applications and managing infrastructure-as-code using Terraform and/or CloudFormation
  • A track record of professional software development you're proud of — you can point to real-world systems you've built and improved
  • Strong computer science fundamentals: data structures, algorithms, distributed systems, programming languages, and information retrieval
  • Proficiency in one or more functional or imperative programming languages — Python, Go, or PHP preferred
  • Extensive, production-grade Terraform experience
  • Hands-on experience operating and optimizing large-scale AWS environments

Nice to have

  • Deep expertise in core AWS services such as S3, IAM, EC2, Lambda, or EKS
  • AWS Professional or Specialty certification(s)
  • Experience designing or operating large-scale, high-volume distributed systems
  • A proven history of driving significant cloud cost reductions at scale
  • Familiarity with observability tooling (e.g., Datadog, Prometheus, OpenTelemetry) and SRE practices

What the JD emphasized

  • U.S. Citizenship or Permanent Residency (Green Card holder). We are unable to provide visa sponsorship for this role.