Software Engineer - Quality

Boulder, CO

Who We Are

Our mission is to make this ever-expanding universe of social media data available via a consistent and reliable architecture so the world can realize the full potential of this amazing stream of information. If you're interested in building products that customers use daily to make key business decisions, resolve their own customers’ concerns, and drive groundbreaking research, read on.

Our software collects, processes, enriches and delivers hundreds of billions of activities a day through a wide variety of social media APIs. Our products are highly available, scalable, optimized, respectful of Twitter's user base, and truly essential for our customers who build their businesses on Twitter data. We work closely with our product managers and customers to make sure we build the right products at the right time.

DES products include:

Real time streaming access to Twitter data

Historical and sync access to archived Twitter data

Enrichments on Twitter objects derived from the latest machine learning technologies

Flexible access to aggregate data

End to end developer experience

What You’ll Do

If this sounds like a team you want to be a part of, great! We are looking for an engineer who loves writing code, is passionate about quality, and wants to collaborate with teammates who are committed to serving their customers. More specifically, you will

  • Add value to the whole software development lifecycle by crafting software solutions to increase quality and confidence
  • Create automated testing solutions for key risk areas such as privacy and security
  • Collaborate with product managers, designers, and engineers across the company
  • Craft elegant solutions to solve problems focused on validating high throughput data pipelines
  • Help drive the direction of our growing architecture

Who You Are:

  • You enjoy focusing your engineering talent on mitigating risks in architecture and services that serve our customers
  • You have an eye for exercising a system from end to end; not just the happy path
  • You have an interest in deepening your knowledge of testing methodologies and tools.
  • You enjoy consulting with customers to build and deliver end to end systems with purpose that are well tested and flexible
  • You wish to collaborate with smart people who will challenge you on a daily basis
  • You're proficient in an object oriented or functional programming language and familiar with the JVM
  • You want to help test APIs that work with tremendous scale in an effort to make it easy for customers to generate insights about their business
  • You're excited to ramp up on new technologies to build awesome things with us!

In addition, it would be a bonus if:

  • You have experience building tools to test software
  • You have experience and passion with validating data flows across stateful systems at scale
  • You are an expert in concurrency and memory management in the JVM
  • You have a working knowledge of Scala
  • You have experience working with big data processing (Hadoop, Scalding etc)
  • You've had previous experience designing and building scalable and highly concurrent distributed systems


  • MS or BS in Computer Science
  • 3+ years of industry or equivalent programming experience
  • Understanding of core CS concepts, such as, common data structures and algorithms
  • Experience with software engineering best practices (e.g. unit testing, code reviews, design documentation)

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 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.


Personal Information

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U.S. Equal Employment Opportunity Information  (Disclosure is voluntary. If you do not wish to disclose, please select "Withold/Decline to Disclose")

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 select “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.

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