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Data Engineer

| Greater Boston Area

About Hopper

Hopper is the smart way to book travel on your phone. Combining massive amounts of data and advanced machine learning algorithms, Hopper predicts and analyzes airfare and accommodation to save users money and enable them to travel more often.

Since its launch in 2015, Hopper has become one of the fastest growing travel apps ever with over 25 million installs to date. It is now the most downloaded flights booking app in North America and travelers have booked hundreds of millions of dollars in flights and hotels around the world using Hopper.

The app has received accolades such as Fast Company’s Most Innovative Company in Travel 2018, the Google Play Award for Standout Startup of 2016, and Apple’s App Store Best of 2015.

Who we need

You care deeply about formalism & correctness; you have strong software and data modeling skills. Data is at the core of what we do at Hopper, both in providing data-driven travel advice to our users, and in analyzing our user behavior to improve the product experience and enable us to best manage our business.

We’re looking for a data-savvy individual to join our Data Science team as a Data Engineer to design and build a data environment that is robust, high-quality, and provides fast access. You’ll work with a highly skilled and motivated team and your efforts and expertise will have a direct impact on framing and solving some of the most challenging problems in mobile commerce at a scale and complexity that few organizations can match.

As a Data Engineer, you will:

  • Design high-performance database schemas and optimize SQL queries to support business analyst and data science needs.
  • Interface with the engineering team to model, extract, transform, and load data from a wide variety of data sources.
  • Establish, maintain and document high data quality standards in our core data pipelines, datasets and databases.
  • Interface with large, distributed no-SQL databases
  • Investigate data problems and identify patterns
  • Work closely with business stakeholders to support Hopper’s analytics community in data-driven decision making.

A perfect candidate has:

  • University degree in Computer Science, Mathematics or Statistics
  • Experience with designing and building large-scale data pipelines in distributed environments with technologies such as Hadoop, Cassandra, Kafka, Spark, HBase, etc.
  • Demonstrable experience with SQL, HQL, CQL, etc.
  • Backend development experience with Scala, Java, Python, Unix shell scripting
  • 3+ years relevant experience in the field
  • Excellent written and spoken communication skills

Not required, but great if you have:

  • Working knowledge of basic analytics and machine learning concepts
  • Experience with BI administration and report authoring, e.g. Tableau, BIRT, Qlik etc
  • Masters or PhD degree


  • Well-funded and proven startup with larger ambitions, competitive salary and stock options
  • Dynamic and entrepreneurial team where pushing limits is everyday business
  • Access to comprehensive medical, dental, vision, disability and life insurance, all on us
  • In Cambridge, work in a historic factory building near Kendall Square; in Montreal, work in an artist’s loft in the Mile End
  • Easy commute with a paid-for public transportation or paid parking
  • IATA Travel Agent Card for discounts in the travel industry
  • Fully stocked kitchen with: coffee/tea, beer, bagels and healthy snacks
  • Team lunches, off-site activities and much more!


  • Google’s “Most Beautiful Apps” of 2016
  • Google Play Award 2016 - Standout Startup
  • Webby Award 2016 + 2018 - Mobile Travel + People’s Choice
  • Fast Company’s Innovation by Design Award 2016 - Nominee
  • Apple App Store Best of 2015 - #7 Best App of the Year
Read Full Job Description

Technology we use

  • Engineering
    • KotlinLanguages
    • PythonLanguages
    • ScalaLanguages
    • SwiftLanguages
    • ReactLibraries
    • AngularJSFrameworks
    • HadoopFrameworks
    • SparkFrameworks
    • CassandraDatabases
    • HBaseDatabases
    • MySQLDatabases


275 Third Street, Cambridge, MA 02142

What are Hopper Perks + Benefits

Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Retirement & Stock Options Benefits
Employee Stock Purchase Plan
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Remote Work Program
Vacation & Time Off Benefits
Unlimited Vacation Policy
Paid Holidays
Paid Sick Days
Perks & Discounts
Beer on Tap
Casual Dress
Commuter Benefits
Company Outings
Stocked Kitchen
Pet Friendly
Relocation Assistance
Professional Development Benefits
Job Training & Conferences
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