Senior Software Engineer II

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The Adtech Team at Mobility Ware 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 monetisation across the suite of Mobility Ware’s apps and ensure relevant ads are served to Mobilityware's customers.

• Design, develop and maintain highly scalable, high‑performance and low‑latency distributed systems using Java.
• Coordinate with offshore dev teams to align on architecture design and ticket requirements, perform detailed code reviews and provide technical mentorship.
• Deploy, monitor and scale ad server systems on Kubernetes in cloud environments.
• Participate in technical design reviews, contribute to architecture decisions and drive long‑term platform improvements.
• Troubleshoot production issues, optimise performance and drive technical analysis.
• Ensure observability and operational excellence using monitoring and logging tools such as Grafana, Prometheus and Open search.

• Bachelor’s degree in computer science or equivalent practical experience.
• Hands‑on experience with Kubernetes, Docker and cloud infrastructure (AWS/OCI).
• Experience with highly scalable, high‑performance, high‑concurrency and low‑latency distributed systems.
• Experience with SQL (MySQL) and No
  
  SQL (Aerospike, Redis, Dynamo
  
  DB) databases.
• Experience building REST‑based APIs and writing API specifications in Swagger or similar.
• Familiar with CI/CD, 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.
• Preferred:
  Experience with machine‑learning model building and development.
• Preferred:
  Experience with Snowflake and Kafka.

Mobility Ware 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, Mobility Ware has been entertaining gamers around the world.

With a product portfolio that includes beloved hits such as Free Cell, MONOPOLY Solitaire, Spades, Hearts, Mahjong, and Bubble Shooter Pop, our games have been downloaded over 600 million times.

Mobility Ware 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 prioritises the wellness of all of our team members.

• Medical (100% paid), dental (100% paid), vision (100% paid), unlimited PTO/vacation, life insurance (100% paid) and a 401(k) 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‑office free lunch, snacks and drinks.
• Casual workplace with a relaxed dress code and a newly remodeled office in the heart of Irvine.
• Growth opportunities – we are growing and would love for…