Please note, this position is a part-time contract opportunity.

As a Bidder Specialist, you will support our Data Science team with in-depth analyses related to the features engineered for online real time bidder models. Your work will directly influence what features are built, the prioritization of the roadmap and the estimates developed for the expected return on these efforts.

You will create, develop, deploy, monitor, present and maintain machine learning bidder models, to support product efforts that drive user retention, in-game monetization, inventory sales and user acquisition. In addition to the product team, you will work closely with the Data Science, Data Engineering, Marketing, and Monetization teams to create actionable insights.


  • Help DS team to design/acquire better features.
  • Help DS team to implement better bidder algorithms.  
  • Perform preliminary data analysis using SQL query and python.
  • Create, develop, deploy, monitor and maintain data science models for various business use cases.
  • Extract valuable insights from model outputs and present visualization results to the leadership team
  • Work with our revenue and product teams to deliver insights into user acquisition, user engagement, user retention, user performance, and more
  • Work closely with the monetization team on continuous forecasting of various revenue models
  • Work with the data engineering team on data definition, ETL, data ingestion, data merge, data cleaning and trouble shoot issues for very large datasets


  • Advanced degree (Master or PHD) in a quantitative field with Modeling/Data Science coursework
  • Proficiency in Python, SQL (Optional: C++/C#, Java, R/Matlab)
  • Experiences in several machine learning frameworks such as Tensorflow, PyTorch and other alternatives
  • 3+ years of Experiences in developing machine learning algorithm from scratch
  • SQL and familiarity with relational databases, MS SQL, data transformation, data mining, and ad hoc analysis
  • Skilled in analyzing data and drawing appropriate conclusions. Able to effectively translate statistical findings to business strategies that positively impact the business and customer.
  • Can work with Database and Statistical applications; can automate routine procedures and create tools that increase productivity and efficiency.
  • Ability to work productively with others in a highly collaborative manner.

A Little Bit About Us:

MobilityWare is one of the leading mobile game publishers of card and puzzle games. With our headquarters in the heart of Orange County and a growing studio in Utah, we’re dedicated to our mission of bringing joy to others one game at a time. Ever since our flagship title Solitaire hit the Apple App Store on the day it opened in 2008, MobilityWare has been entertaining gamers around the world. With a product portfolio that includes beloved hits such as FreeCell, MONOPOLY Solitaire, Spades, Hearts, Mahjong, and Bubble Shooter Pop, our games have been downloaded over 400 MILLION times.

MobilityWare was recently named one of Built in LA’s Best Places to Work for the third year in a row and we’ve been recognized as one of the Best Places to Work in Orange County five times by the Orange County Business Journal and OC Register. While we’re proud to be the company behind some of mobile gaming’s most popular titles, our most important achievement is creating a work environment that encourages professional growth and prioritizes the wellness of all our team members.


Here are just some of the perks of working with us:

  • In the office we offer things like free lunch, free snacks, and free drinks.
  • Casual workplace that includes a relaxed dress code, plus a newly remodeled office in the heart of Irvine.
  • Growth, growth, growth - we are growing, and we would love for you to join us on the ride.


In compliance with local law, we are disclosing compensation for this role. Starting pay for a successful applicant will depend on a variety of job-related factors, which may include education, training, experience, certifications, location, business needs, or market demands. This range may be modified in the future. The hourly pay range for this position is $100 to $130 per hour.

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