Software Engineer (Systems) - Consumer Product

San Francisco, CA

Who We Are:

Our Infrastructure engineering teams are responsible for the services and infrastructure that connect hundreds of millions of active Twitter users to real-time information about what’s relevant in their lives and the world we live in. Apart of 'Consumer Product' we work on the core features of think of timelines, tweets, search, trends, notifications, tweet details/permalink, and more! And we’re responsible for creating value from all of the data created and operating our services at massive speed and scale. If working with real time data and services excite you, and you’re looking to work for one of the very few companies in the world that operates at this kind of scale and speed, we’d love to chat with you!

We're hiring for the following teams:

  • Onboarding - Helping new and existing users understand the value of Twitter. We work on user facing experiences like sign up flow and algorithms to recommend the best accounts to follow.
  • ​Search Quality - Responsible for all real-time search on Twitter whether that’s for tweets, users, news, or videos.
  • Recommendations - Combining real time relevance, richer timelines, and recommendations, to put the most interesting content in front of the user at all times.  
  • Abuse - Through a mix of user-facing features and automated detection, we work to make Twitter a safe platform for everyone to share their views with the world.

What You’ll Do:

As a software engineer at Twitter, you will help us build, scale and maintain these systems, all of which have a direct impact on the lives of our users and the success of our business.

Who You Are:

  • You will build and maintain high-performance, scalable systems

  • You will improve the reliability and efficiency of Twitter's core systems

  • You will support Twitter’s internal APIs and user-facing products

  • You will develop elegant solutions to complex problems

  • Code using  Java, C/C++, Scala


  • Extensive experience with backend infrastructure, distributed systems, performance analysis, and/or large-scale data processing

  • Experience with standard software engineering methodology (e.g. unit testing, code reviews, design documentation). Strong algorithms and data structures background

  • BS, MS, or PhD in Computer Science or equivalent work experience

Desired (not required):

  • Experience designing fault-tolerant distributed systems in a service-oriented architecture

  • Experience with Hadoop or other MapReduce-based architectures

  • Experience with Cassandra, Redis, Memcached or MySQL

  • Contributions to the open-source community

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, 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 Opportunity Employment 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.

This is where you come in! Please take a few minutes to provide us with your information. You are not required to provide this information and you may decline to disclose. Your decision to provide information (or not) will not affect your employment or opportunities at Twitter.

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.

Twitter does not accept any unsolicited resumes from recruiting agencies and will not pay fees associated with any such resumes. Agencies, please do not send resumes to any Twitter location, employee, or email address.

Twitter, Inc. is committed to working with and providing access and reasonable accommodations to applicants with physical or mental disabilities. If you need an accommodation in order to apply for open job opportunities, please submit a description of your accommodation request to This email is only for accommodation requests related to the application process.

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