Full-Stack Web Engineer - LiveVideo (London)



Twitter.com is one largest and most popular websites in the world. Our code operates at massive scale and speed, serving billions of requests per day, connecting hundreds of millions of active Twitter users to real-time information about their lives and the world we live in. 

Come be a part of our team!


The Live Video team is working on delivering live streams of great events like Wimbledon, US Political Conventions and Thursday Night Football to millions of users around the world.  Live Video is at the heart of our Creators organization.


You will be joining a team of highly-skilled, enthusiastic and passionate engineers working in this leading edge space. We’ll both challenge and support you to do the best work of your career. You’ll have the opportunity to have a truly global impact, working on a product that touches hundreds of millions of users.



Who We Are:


The team is made up of talented people from all over the world, and from many different backgrounds. We work together in our beautiful Central London location to build products that reach every person on the planet. Often we’ll relax together too – perhaps sharing lunch or a coffee, talking about what we’re doing, listening to and learning from one another. You’ll be a part of a close-knit team working in concert with a focused organisation comprised of other Engineers, Designers and Product Managers.


At Twitter, we believe that good system designs require collaboration so that the end result is simple yet sophisticated. We also promote openness by contributing to open source and sharing our data through Twitter’s API (learn more here - https://dev.twitter.com/ads/overview). Our team sizes are kept small to encourage big contributions from each team member and promote meaningful collaboration. Our technology stack is mainly based on Scala and Java on the backend and JavaScript, CSS, HTML on the frontend. We are mobile, with deep iOS and Android experience.


Who You Are:

  • You are an extraordinary engineer with a passion for helping Twitter change the world
  • You are curious, looking to go deeper into the backend stack and learn new platforms
  • You are passionately motivated to ship products used by hundreds of millions of people around the world, every day
  • You are a Frontend Engineer with a solid understanding of the full web technology stack (e.g. HTTP, cookies, headers, asset loading / caching) and a broad knowledge of the JavaScript ecosystem. 
  • You're someone who excels at user-centric product development and has a passion for making beautiful, smooth, delightful web experiences on desktop and mobile. 




  • Full Stack Development Experience - this is a fullstack role with a Bias on Front End
  • A strong technical background coding in JavaScript, HTML, and CSS
  • Proficient in writing server-side application logic a JVM-based environment (we are a Scala environment so Scala is a nice to have,  you will learn Scala here)
  • Experience Implementing new features and optimizing existing ones from server-side controller logic to browser code
  • Experience working closely across a variety of teams including product management, interaction designers, and backend engineers
  • Technical depth that allows you to rapidly fix bugs 
  • A dedicated and enthusiastic approach to solving problems
  •  Advocacy of the principles of accessibility and the ability to build interfaces accessible to users with disabilities
  • A detailed approach to writing tests and quality assurance
  • Knowledge of core CS concepts such as: common data structures and algorithms, profiling/optimization



  • B.S. or higher in Computer Science (or equivalent work experience)

Bonus Points:

  • Prior experience in video-related technologies
  • Prior experience working for a consumer Internet company


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



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.


By applying you expressly make the following representations and warranties and give your consents as described below:
Twitter, Inc. collects your personal data for the purposes of managing Twitter, Inc.’s recruitment related activities as well as for organizational planning purposes globally. Consequently, Twitter, Inc. may use your personal data in relation to the evaluation and selection of applicants including for example setting up and conducting interviews and tests, evaluating and assessing the results thereto and as is otherwise needed in the recruitment processes including the final recruitment. 
Twitter, Inc. does not disclose your personal data to unauthorized third parties. However, as a global corporation consisting of multiple affiliated companies in various countries, Twitter, Inc. has international sites and Twitter, Inc. uses resources located throughout the world. Twitter, Inc. may from time to time also use third parties to act on Twitter, Inc.’s behalf. You agree to the fact that to the extent necessary your personal data may be transferred and/or disclosed to any company within Twitter, Inc. group of companies as well as to third parties acting on Twitter, Inc.’s behalf, including also transfers to servers and databases outside the country where you provided Twitter, Inc. with your personal data. Such transfers may include for example transfers and/or disclosures outside the European Economic Area and in the United States of America.

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Twitter does not accept and 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.

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