: Senior Software Engineer Full Stack - MoPub Ad Serving
245 West 17th Street
New York, NY 10011

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.

Who you are:

As part of our Publisher Frontend Engineering team, you will work on entire web stack that directly drives publisher revenue. You will be developing the client-side web application with the latest tools like React, Redux, Webpack, and Babel. On the server-side, you will have the chance to work with Django, Python, and Postgres.

What you'll do:

  • Work on all levels of the web stack (JavaScript/React/Redux, Python/Django, HTML/CSS, Postgres)
  • Build, optimize, and maintain an easy-to-use, powerful web application using React and Redux
  • Work closely with product managers, designers, other engineers
  • Craft elegant solutions to fix bugs and solve problems
  • Actively look for ways to improve the MoPub's frontend UX and codebase
  • Help drive the direction of our growing architecture


  • BS or MS Computer Science or similar work experience
  • 4+ years developing on high-traffic websites
  • Broad knowledge of the JavaScript ecosystem
  • Disciplined approach to writing unit and integration tests
  • Proven understanding of the full web technology stack
  • Strong desire to craft performant web interactions
  • Passion for making beautiful, and delightful web experiences
  • Understanding of core CS concepts, such as, common data structures and algorithms
  • Ability to take on complex problems, learn quickly, and persist towards a good solution

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.