Senior Software Engineer II (Ad Tech)

Mobilityware
Irvine, CA

The Adtech Team at MobilityWare is building a suite of client and server technologies to deliver advertising to our huge audience of engaged players worldwide. This Senior Software Engineer role is responsible for design and development of mission critical components of a distributed Ad serving platform, where performance, high quality and precision are revered values. You will design, code, troubleshoot, and support scalable services in a high volume and low latency environment. This is a 100% hands-on role and we are looking for an exceptional and experienced coder first. In addition to being a strongly motivated individual contributor, you will also be responsible for mentoring remote engineers and guiding them to deliver high impacting products and services. The solutions you create would drive step increases in monetization across the suite of MobilityWare’s apps and ensure relevant ads are served to Mobilityware's customers.

Responsibilities:


  • Design, develop and maintain high scalable, high performance and low latency distributed system using Java.

  • Coordinate with offshore dev team to align on architecture design and ticket requirement, perform detailed code reviews and technical mentorship.

  • Deploy, monitor and scale ad server system on Kubernetes in cloud environments.

  • Participate in technical design reviews, contribute to architecture decisions and drive long-term platform improvements

  • Troubleshoot production issues, optimize performance and drive technical analysis

  • Ensure observability and operational excellence using monitoring and logging tools such as Grafana, Prometheus and Opensearch

Qualifications for Position:


  • Bachelor’s degree in computer science or equivalent practical experience.

  • 5+ years of experience as backend engineer, strong knowledge of object-oriented programming and experience in Java, Javascript, Python, spring boot, Netty, Jetty.

  • Hands-on experience with Kubernetes, Docker and cloud infrastructure(AWS/OCI)

  • Experience with high scalable, high performance, high concurrency and low latency distributed system.

  • Experience with both SQL(Mysql) and NOSQL(aerospike, redis, dyanmoDB) databases.

  • Experience with building REST based APIs and writing API specs in Swagger or similar.

  • Familiar with CICD, bitbucket or Git.

  • Strong ability to lead code reviews, mentor engineers and maintain consistent engineering quality standards

  • Preferred: Master’s degree in computer science or equivalent practical experience.

  • Preferred: AdTech related experience in DSP/SSP/Ad exchange/Mediation SDK is a big plus.

  • Preferred: Experience with machine learning model building and development.

  • Preferred: Experience with snowflake and kafka.

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 600 MILLION times.

MobilityWare was recently named one of Built in LA’s Best Places to Work for the fifth 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 of our team members.

Do we have your attention yet? Here are just some of the perks of working with us:


  • We offer medical (100% paid option), dental (100% paid), vision (100% paid), unlimited PTO/Vacation, life insurance (100% paid), and a 401K with competitive contribution.

  • Annual, all-inclusive company trip for you and a guest. Previous destinations include Hawaii, a Mexican Riviera Cruise, Las Vegas and Los Cabos!

  • 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.

  • Annual Game Jam to show off your creative chops!

In compliance with local law, we are disclosing compensation for this role. The range listed is just one component of MobilityWare’ s total compensation package for employees, which may include short- and long-term incentives and program-specific awards. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. Starting pay for the 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 is based on a full-time position. This range may be modified in the future. The annual base salary pay range for this role is $160,000-$900,000.

Posted 2025-11-28

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