Senior Software Engineer (Front End) - MoPub

San Francisco, CA

Who We Are: 
MoPub is the world’s largest mobile application advertising exchange and complete ad serving platform. From individual developers to the largest names in mobile apps and games, our customers span the globe and generate tens of billions of ad requests a day. 

What You'll do:

  • Work on all levels of the web stack (JavaScript, Python/Django, HTML/CSS, Postgres)
  • Build and maintain an easy to use and powerful web application using React and Redux
  • Work closely with product managers, designers, other other engineers
  • Rapidly fix bugs and solve problems
  • Proactively look for ways to improve the MoPub frontend UX and codebase
Who You Are: 
As a part of our Publisher Frontend engineering team, you will work on our web application that directly drives publisher revenue. You will use the latest development tools such as React, Redux, Webpack, and Babel. You will also work on our full web stack running Django and Postgres.

  • BS/MS Computer Science or similar work experience
  • Broad knowledge of the JavaScript ecosystem. Ideally with React and Redux experience.
  • Disciplined approach to writing unit and integration tests
  • Solid understanding of the full web technology stack
  • Ability to take on complex problems, learn quickly, and persist towards a good solution
  • Passion for making beautiful and delightful web experiences
  • Understanding of core CS concepts such as common data structures and algorithms

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.

Hiring Process

Step 1

After you apply, a recruiter may reach out to you for an introductory call.

Step 2

If your background is a match for the role, you may phone interview with 1-2 people.

Step 3

If you continue through the process, you will come onsite 1-2 times to interview with a total of 5-10 people.


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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