Senior Software Engineer
GumGum is The Mindset Company™ transforming advertising. We’re an advertising technology company delivering results by matching brands with people in the right mindset in the moments that matter. Our platform is powered by the Mindset Graph™, our AI-driven data engine that processes billions of real-time contextual, creative, environmental, and historical signals to match every ad with the most receptive audience. The result is advertising that drives meaningful outcomes for advertisers and publishers, and is more relevant for consumers.
We were founded in 2008 and are headquartered in Santa Monica, California, operating in over 19 markets across North America, Europe, Japan, and Australia.
Our principles guide our work every day and are as follows:
- Customer-Obsessed: We’re focused on advertising solutions that solve needs and drive success for clients and partners.
- Make it Happen: We have a bias for action and take ownership to deliver results.
- Always Innovate: We push boundaries with creativity and technology.
- Foster Belonging: We ensure colleagues feel included, supported, and empowered to thrive.
To be a part of The Mindset Company™ transforming advertising, please visit www.gumgum.com/careers.
Overview
The Ad Exchange development team at GumGum is responsible for the technical development and operations of our Ad Exchange technology. The Ad Exchange software handles a high volume of requests (40 million requests per minute) and is a highly distributed Java web service. Our team currently uses technologies such as Java, Spring, MySQL, Kafka, Aerospike, ScyllaDb, Memcached, and more.
This role works with product managers and various engineering teams to deliver on priorities for the company, making a significant impact on a key revenue stream for the business. You’ll be expected to take ownership of complex features, mentor engineers, and influence technical direction while collaborating with cross-functional partners across Product, Design, DevOps, Data Engineering and other teams.
Note: This position offers the opportunity for remote work or 'work from home' as there isn't a nearby office. However, GumGum is excited to only consider applicants residing in India.
What You'll Achieve
- Design, build, and deliver highly scalable and low-latency services in Java using Spring and distributed data systems.
- Architect solutions with a focus on performance, maintainability, and reliability.
- Integrate with supply-side and demand-side partners and enhance core exchange workflows.
- Work closely with ML and data teams to integrate optimization models into the exchange.
- Mentor engineers within the India team, contributing to technical growth and best practices.
- Write high-quality, testable, and well-structured code.
- Troubleshoot and resolve production issues and contribute to improving system stability and latency.
- Collaborate with Product and internal stakeholders to define and execute technical priorities.
- Optimize infrastructure usage and improve the efficiency of the exchange.
- Conduct detailed code reviews and contribute to maintaining high engineering standards.
- Build a deep understanding of the Ad Tech ecosystem to help influence engineering direction.
- Implement ad tech features, privacy frameworks, and external partner integrations.
- Contribute to internal documentation and knowledge sharing across global engineering teams.
Skills You'll Bring
- Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
- 6+ years of experience as an engineer with understanding of programming languages, preferably Java and Spring Framework
- A history of successfully shipping products into production
- Experience in taking ownership of end to end product implementation and providing stakeholder updates
- Preferred experience in a high volume transaction system > 100k transactions/second
- Experience in Ad Tech, CTV and Real-Time bidding is a plus
- Excellent communication skills and demonstrated ability to work with cross-functional teams across timezones, including remote collaboration
- Fast learner with excellent problem-solving skills in highly complex multi-threaded applications
- Experience working with AWS and distributed systems such as Kafka, Aerospike or equivalent large scale data storage/processing systems
- Experience with MySQL or similar RDBMS systems
- Analytical thinking and understanding complex logic
- An understanding of RTB (Real Time Bidding protocol)
- Experience working with Git, Gradle, and CI/CD delivery pipelines
Awards
- 2025 & 2026 Digiday Media Awards Europe Best Contextual Targeting Offering
- 2025 AdExchanger Awards AI Innovators, Technology & Service Provider, Finalist
- 2025 MARKETECH APAC Marketing Technology Awards Silver Winner for Best Contextual Advertising Tech Platform
- 2025 Inc. B2B Power Partner
- 2025 ExchangeWire The Wires Global Best Client Services team winner (GumGum UK)
- 2025 and 2026 BuiltIn Best U.S. Midsize Companies to Work For
DEIB and EEO Statement
GumGum is proud to be an equal opportunity employer. We're committed to creating a workplace where people feel respected, supported, and able to do their best work. We believe different perspectives make us stronger and lead to better outcomes—for our teams, our partners, and our business. We strive to build an environment where individuals are treated fairly, opportunities are accessible, and everyone is held to a high standard of respect and accountability.
We're always learning and evolving as a company, and we continue to take thoughtful steps to support our people and strengthen our culture.
Follow Us on Social
- Instagram: @gumgum
- LinkedIn: https://www.linkedin.com/company/gumgum/
- YouTube: @GumGumInc
- TikTok: @itsgumgum