Software Engineer (Back End) - Ads Billing & Payments
Who We Are:
Our engineering teams are responsible for monetizing 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. We work on some of the world’s largest distributed systems -- our core infrastructure receives hundreds of millions of tweets per day and serves tens of billions of API requests, all with an uptime in excess of 99.9%. Our advertising systems operate at a similarly staggering scale: we serve over 2+ billion search queries per day, render hundreds of millions of ad impressions, process hundreds of terabytes of log and interaction data daily to drive billions in bottom-line revenue.
Within Core Advertising, we are a fairly small team filled with mostly senior-level engineers and are responsible for high-availability systems that impact all $2B+ of our revenue. We provide advertisers with a variety of funding sources, such as credit cards, insertion orders, credit lines, and others to enable flexible ways of funding advertising campaigns.
We then build scalable and reliable ads spend computation pipelines that efficiently process every single cent generated by Twitter Ads products funded by the very instruments we enable -- making our data the source of truth for the ads revenue numbers.
Additionally, we're in charge of the billing & payments related advertiser experience at ads.twitter.com and invalid engagements detection and processing (traffic quality), ultimately ensuring that advertisers get accurately charged.
What You'll Do:
- Billing -- our goal is to ensure our architecture is horizontally scalable and can reliably handle ever growing amounts of data we need to process. In addition to scaling everything out, you will also help us make sure our system can "absorb" billing events from future acquisitions and be able to process them accordingly. Our vision is to have a generic billing event processing infrastructure that can support all of Twitter's monetization efforts.
Payments -- you’ll help us build reliable and secure payment systems that allow our customers to choose from a variety of payment methods enabling Twitter to rollout ads globally with market-specific needs. We integrate with third-party payment providers to enable flexibility to our internal and external customers to support various business scenarios.
Billing and Payments advertiser experience (AdEx) -- you will help us provide intuitive and proactive UI’s to the advertisers to enable frictionless experience. Advertisers will rely on our UX to make important campaign funding decisions, and obtain crucial details about transactions and spend in general.
- Good foundation in object-oriented software development, databases, and distributed systems
- Good background with non-trivial algorithms and complex data structures
- Software generalist who is comfortable working throughout our tech stack (although most of your work will be on the back end)
- BS, MS, or PhD in Computer Science or equivalent work experience
- Experience with payment systems
- 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, 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.
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
Once your application is received, a recruiter will reach out pending your qualifications are a match for the role.
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.
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.
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