.GumGum is a contextual-first, global digital advertising platform that uses advanced AI technology to serve captivating creative ads that drive consumer attention, without the use of personal data. At GumGum, we don't need to know who you are to deliver relevant and engaging ads that align with your active frame of mind. We believe that a digital advertising industry based on context rather than personal data builds a more equitable and less invasive future for the internet and is better for consumers, publishers and advertisers alike. Our blueprint for the future, The Mindset Matrix, combines the power of context and creative in digital advertising to deliver superior attention and drive consumer action without sacrificing personal data.The Ad Exchange engineering team is responsible for the technical implementation and operations of our Ad Exchange technology. The Ad Exchange software handles a high volume of requests (30 million requests per minute) and is a highly distributed Java web service. Our team currently uses technologies such as Java, Spring, MySQL, Kafka, DynamoDB, ScyllaDB, ElastiCache, etc.As a **Senior Software Engineer**, your focus will be on maximizing revenue for one of the core business lines for GumGum. You will be responsible for optimizing millions of Real-Time Bidding (RTB) auctions happening in the exchange and implementing various algorithms to increase bid rates from Demand Side Platforms (DSPs), maximize revenue, and reduce the cost of processing inventory impressions. This role requires an extensive knowledge of and experience with AdTech concepts such as RTB, as the team will work closely together to brainstorm ideas and test their theories.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 the local area listed in the job description for business needs including some or all of the following: client interaction, team interaction, timezone, etc.Li-remote**What You'll Achieve**- Develop and Optimize Web Services: Design high-traffic web services using Java, Spring, MySQL, Scylla (Cassandra), and DynamoDB, with a focus on performance, latency reduction, and cost optimization on AWS.- Real-Time Bidding (RTB): Work with machine learning and distributed computing to enhance RTB metrics and build algorithms to optimize key KPIs like Fill Rate, TMAX, Win Rate, Revenue, and Cost.- Collaborate on AdTech Features: Innovate in ad tech, implementing privacy frameworks and partner integrations. Lead cross-functional discussions and collaborate with Ad Server, Data, and Web Engineering teams.- Product Development: Partner with Product teams to develop new features and resolve stakeholder issues.**Skills You'll Bring**- B.S. in Computer Science or equivalent experience.- 3-5 years as a senior engineer with expertise in Java, Spring, AWS, Kafka, DynamoDB, CI/CD, and Git