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Senior Software Engineer (Data Science)

Data Science/Analytics | London, United Kingdom | Full Time

Job Description


Position Title: Senior Software Engineer (Data Science)

Position Description:

Tapjoy's Optimization platform sits at the centre of Tapjoy's mobile advertising business, handling large scale (~1 billion requests a day), and making decisions about which ads to show which users. The challenge we have as a team is identifying users who are most likely to install an application, across the vast array of ad campaigns in our system. If you enjoy working on complex systems at scale, writing clean code, and contributing design changes to our architecture, this is the job for you! 

Our approach to technology is never set in stone; we’re always looking to use the best technologies to solve the problem at hand, and we make adequate time within our sprints to refactor when appropriate. Tapjoy seeks a Senior Engineer to join our Data Science group to help with this work.

As a Data Science Engineer you'll work in our experienced Java development team in London, designing and iterating on new features, on top of optimising existing code. You will collaborate closely with Data Scientists, as well as the ETL team to ensure models and platform optimisations are developed efficiently and scale well in production. We have an exciting roadmap of new features, our team is expanding, and we are growing as a product on a week by week basis.

You'll enjoy working collaboratively, have an eye for detail, strong software design skills, and be interested in working with high volume, low-latency systems. 

Responsibilities: 

  • Work with the Data Science team to design, build, and integrate new machine learning models

  • Write robust, scalable code, supported by tests

  • Refactor existing code where necessary

  • Integrate and use a variety of supporting systems, including Couchbase, MemSQL, S3, AWS SageMaker, Apache Kafka, NewRelic, SignalFX and others

Competencies: 

  • You possess strong computer science fundamentals, including knowledge of data structures, algorithms, and object-oriented design 

  • You have strong SQL understanding and some data analysis experience

  • You are proficient with Java, and integrating APIs 

  • Enjoy working collaboratively

  • You feel confident to plan out your own tasks and communicate progress, but willing to ask for help when needed

Requirements: 

  • B.S. or M.S. in Computer Science or related field

  • 5+ years of Java Software Engineering experience

  • Strong knowledge of data structures, SQL, software design patterns and algorithms

Bonus:

  • Knowledge of foundational machine learning and data mining concepts 

  • Experience in the ad tech industry is a big plus

Tapjoy is a leading mobile advertising and app monetization company. Our platform empowers advertisers to connect with over 1 billion monthly active users through value exchange advertising that drives awareness, engagement, and the metrics that matter most to their overall growth. Meanwhile, companies such as Scopely, Glu, Ludia, and many of the Top 200 grossing app publishers trust our platform to monetize their content, grow their audiences, and reward their users. Founded in 2007 and headquartered in San Francisco, Tapjoy is a global organization with offices in Santa Barbara, Boston, London, Beijing, Tokyo, and Seoul.

Tapjoy is an equal opportunity employer. We believe that diversity and inclusion lead to stronger, more innovative teams and better business results; we want to draw from the broadest talent pool possible and encourage qualified applicants. Tapjoy does not discriminate on the basis of sex, race, ethnicity, color, age, sexual orientation, gender (including identity and expression), disability (mental or physical), religion, national origin, citizenship, marital status, military or veteran status, or any other protected classification protected by applicable law; we will provide reasonable accommodations for qualified individuals with disabilities, and pursuant to applicable fair chance ordinances, we will consider for employment qualified applicants with arrest and conviction records.

For more information, please visit www.tapjoy.com