Lead Software Engineer - Capacity Planning

San Francisco, CA

Who We Are

The Capacity Planning team builds and maintains Twitter’s capacity planning platform that manages 10’s of thousands of physical machines and millions of CPU cores and disks. The capacity planning platform monitors critical services across all of twitter.com, our advertising business, and our internal infrastructure. We are a small, highly collaborative group working with and across all key areas of what makes Twitter work. Our focus is on solving the right problems for our internal customers while maintaining operational scalability and accuracy. We are strongly committed to automating as much of capacity planning as possible using machine learning, other internal tools as well as other tools available on the market.

Who You Are

You have a strong passion for identifying and solving performance and scalability challenges. You are well experienced in design and algorithms as well as strong analytical and debugging skills. You have worked directly with business users to translate requirements into design and ultimately develop and deploy cutting-edge solutions.


  • 5+ years experience in an infrastructure demand or capacity planning position with algorithms, data structures, complexity analysis, and software design
  • Experience writing software in one or more languages, such as Java, Python, Go, JavaScript or C++
  • Experience with design and developing conceptual, logical and technical architectures
  • Ability to assimilate the customer’s business strategy and objectives and develop innovative technology solutions to meet those goals
  • Develops specifications for interfaces from existing to new systems Preferred qualifications Strong communication skills (including listening, speaking and writing) and ability to work well in a diverse, team-focused environment with other SRE’s, developers, Product Managers

We are committed to an inclusive and diverse Twitter. Twitter is an equal opportunity employer. We do not discriminate based on race, ethnicity, color, ancestry, national origin, religion, sex, sexual orientation, gender identity, age, disability, veteran status, genetic information, marital status or any other legally protected status.

San Francisco applicants: Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Engineering Hiring Process

Step 1

Once your application is received, a recruiter will reach out pending your qualifications are a match for the role.

Step 2

If your background is a match, you may have 1-2 technical phone interviews or be given the chance to provide a work sample depending on the role.

Step 3

If the phone interviews go well or your work sample is strong, the final step includes interviews with 5-6 people held onsite in our office.


Personal Information

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U.S.  Equal Employment Opportunity Information  (Completion is Voluntary)

At Twitter, we have a bold aspiration to reach every person on the planet. We believe that goal is more attainable with a team that understands and represents different cultures and backgrounds and we are committed to an inclusive and diverse Twitter.

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Twitter is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status.

You can view the ‘EEO is the Law’ poster here.

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