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Sr. Software Engineer, Cloud Infrastructure - Slack



Software Engineering, Other Engineering
Multiple locations
Posted on Monday, November 20, 2023

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts.

Job Category

Software Engineering

Job Details

About Salesforce

We’re Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too — driving your performance and career growth, charting new paths, and improving the state of the world. If you believe in business as the greatest platform for change and in companies doing well and doing good – you’ve come to the right place.

The Cloud Engineering team is composed of Cloud Engineers, Financial Analysts and AWS Subject Matter Experts, working to make Slack more performant, available & cost-efficient each day. We are constantly perfecting and improving our AWS stance in order to make Slack performant and available to each and every one of our millions of daily active users. We take on unique scaling problems for a global customer base and write software to provide maximum visibility into our cloud infrastructure. We get excited about making Slack scaling, highly available and resilient whilst ensuring we use the right technology stack.

Slack has a positive, diverse, and supportive culture—we look for people who are curious, inventive, and work to be a little better every single day. In our work together we aim to be smart, humble, hardworking and, above all, collaborative. If this sounds like a good fit for you, read on ahead!

What you will be doing

  • Leading software projects, from start to finish, where the scope is mostly understood

  • Design and develop a new platform to provide our engineering teams a foundation to work and innovate

  • Develop and code cutting edge solutions to deliver the best possible platform leveraging containerization, virtualization and AWS services

  • Writing, enhancing and extending Terraform modules

  • Implementation of a home-grown system to deploy, maintain and scale applications for service owners

  • Proactively build great relationships with service owners with ideas

  • Educate others and provide ideas/tips on how to improve our overall platform efficiency and performance

  • Scaling the impact of our team through direct mentorship of our more junior team members

  • Be responsible for saving millions of dollars every year and keeping our cloud costs under control

  • Participate in our on-call rotation and collaborate with our operations team to triage and resolve production issues

  • Build tools efficiently to allow engineers to identify system bottlenecks

  • Build monitoring and introspection tools efficiently to allow engineers to quickly introspect a system

What you should have:

  • Curiosity about how clouds work and love to share that knowledge with others

  • The ability to analyze and optimize reliability in high-traffic internet applications

  • A mentoring mindset and love to model standard methodologies for unit tests, code review, design documentation, debugging, and troubleshooting. You've been developing and operating web sites professionally and can point to things you’ve worked on

  • Hands-on experience with AWS. You have a broad knowledge of many services and a deep knowledge of a few of these services

  • You have deployed applications to the cloud and have used Terraform/Cloudformation to ensure software is deployed as code

  • Ability to troubleshoot and debug issues across infrastructure, applications, and distributed systems

  • Strong problem solving skills


  • 5+ years professional experience in cloud engineering, working in a team environment

  • Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience

  • Experience with functional or imperative programming languages — e.g., PHP, Python or Go (used without frameworks)

  • Experience with software engineering, scripting, automation and orchestration tools (Bash, Chef, Jenkins, Terraform)

  • Experience provisioning, configuring and maintaining cloud computing services (AWS)

  • Experience managing large K8s systems (EKS or Bare Metal)

  • Experience working with large scale AWS environments

Bonus Points:

  • A domain expert within the AWS ecosystem (EKS / EC2 / IAM / Fargate)

  • AWS professional certification(s)

  • Prior experience with or knowledge of large scale, high volume systems

  • Prior experience reducing cloud costs at scale

  • Comfortable working in a globally distributed team including collaborating across multiple time zones


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