Software Engineer II Cloud Infra- Slack
Remote (US)
Mid-level · Full time
Posted 2 months ago

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Job Category

Products and Technology



Job Details

Job Details

Slack enables people around the world to communicate and collaborate together, from the world’s largest public companies to the smallest of startups. We take performance and reliability very seriously. A taste of our scale:

  • During the week, our users spend over a billion minutes a day active in our product.

  • At peak usage, a million messages a minute passed through Slack.

  • Every day we see over 15 million simultaneously connected users

  • For millions of people, Slack is their primary communication tool for work and more and they expect it to be exceptionally reliable and fast year-round.

About the Team

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 advise teams within Slack on how to maximize their value from the cloud and ultimately aim to build a culture where all our engineers are cost-conscious and building a business scalable for the long term. 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

  • Where needed, embed into our development teams, to help educate and improve their service performance/efficiency with an aim to reduce cloud costs

  • 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

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

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


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

  • You possess strong computer science fundamentals: data structures, algorithms, programming languages, distributed systems, and information retrieval

  • 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)

  • Extensive Terraform experience

  • Experience working with large scale AWS environments

Bonus Points:

  • A domain expert within the AWS ecosystem (S3 / IAM / EC2)

  • AWS professional certification(s)

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

  • Prior experience reducing cloud costs at scale


    Slack is an Equal Opportunity Employer and participant in the U.S. Federal E-Verify program. Women, minorities, individuals with disabilities and protected veterans are encouraged to apply. Slack will consider qualified applicants with criminal histories in a manner consistent with the San Francisco Fair Chance Ordinance.


    Come join us!

    Slack is registered as an employer in many, but not all, states. If you are not located in or able to work from a state where Slack is registered, you will not be eligible for employment.

    Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Salesforce will consider for employment qualified applicants with arrest and conviction records.

    For Colorado-based roles: Minimum annual salary of $104,600. You may also be offered a bonus, restricted stock units, and benefits. More details about our company benefits can be found at the following link:






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Posting Statement

At Salesforce we believe that the business of business is to improve the state of our world. Each of us has a responsibility to drive Equality in our communities and workplaces. We are committed to creating a workforce that reflects society through inclusive programs and initiatives such as equal pay, employee resource groups, inclusive benefits, and more. Learn more about Equality at Salesforce and explore our benefits. and are Equal Employment Opportunity and Affirmative Action Employers. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. and do not accept unsolicited headhunter and agency resumes. and will not pay any third-party agency or company that does not have a signed agreement with or


Salesforce welcomes all.




Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Salesforce will consider for employment qualified applicants with arrest and conviction records.
Slack is an enterprise software platform that allows teams and businesses of all sizes to communicate effectively.
Size:  1001-5000 employees
Funding Level:  Public
Symbol:  WORK
Year Founded:  2009
T. Rowe Price
Spark Capital
DST Global
General Atlantic
GGV Capital
Andreessen Horowitz
Initialized Capital
Dragoneer Investment Group
SoftBank Vision Fund
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