Sr Engineer - Ad Tech

Role Overview As a Senior Engineer (Ad Tech), you will serve as the senior engineer for core engineering team and subject matter expert for our Ad Tech platform. You will operate as an individual contributor and take technical + component owner in an agile environment, helping in designing key components and support architectural improvements for complex solutions. The key to the success of this position is possessing deep domain expertise in distributed systems, a mastery of Ad Tech protocols(a plus), and the ability to influence engineering decisions. You will collaborate with Product Managers, Engineering leads to deliver Ad Tech capabilities including SSP, DSP and Ad Servers, ensuring our systems are highly scalable, low-latency, and fault-tolerant. Use your skills, experience, and talents to be a part of groundbreaking thinking and visionary goals. Technical Leadership & Architecture System Design: Design high-throughput, low-latency systems capable of handling millions of transactions per second (TPS) required for Ad serving. Drive Architecture: Drive the end-to-end technical architecture for critical Ad Tech components, ensuring alignment with enterprise standards and future scalability alongside Engineering lead Code Quality & Mentorship: Act as a bar-raiser for code quality; perform advanced code reviews, mentor engineers, and foster a culture of technical excellence and innovation. Technology Strategy: Contribute in evaluating and select appropriate tech stacks (Language, Database, Cloud Native services) to solve specific business problems; drive "build vs. buy" decisions alongside Engineering lead Cross-Functional Collaboration: Partner with Data Science and Product teams to translate complex business requirements into robust technical specifications and architectural blueprints. Operational Excellence: Drive resolution of the most complex technology roadblocks, including deep-dive debugging of distributed systems, infrastructure bottlenecks, and latency issues. Innovation: Stay current with Ad Tech industry trends (e.g., Privacy Sandbox, Open RTB updates) and advocate for the adoption of new technologies and design patterns that give Roundel a competitive edge. Requirements EDUCATION: 4-year degree in Computer Science/Engineering or equivalent experience. Experience: 6+ years of software development experience with at least 3+ years in a senior engineer role Core Stack: Expert-level proficiency in Java17+, Spring Boot, and Microservices architecture, Kafka, Redis, Caching solutions, Monitoring & Deployment Big Data & Streaming: Deep experience with Kafka, datapipeline or similar streaming/batch processing frameworks. Ad Tech Domain: Proven experience in Ad Tech/Mar Tech (DSP, SSP, Ad Exchanges) with a deep understanding of Open RTB standards, VAST/VPAID, and identity resolution. Database: Experience with high-performance No SQL databases (e.g., Cassandra, Scylla DB, Dynamo DB, Aerospike) and caching layers (Redis, Memcached). Cloud & Dev Ops: Hands-on experience with Cloud platforms (GCP preferred, or AWS/Azure) and Kubernetes/Docker. Architecture: Demonstrated ability to design distributed systems with strict SLA requirements (sub-millisecond latency). Desired Qualifications Active contributor to the Open Source community. Strong experience in handling large scale & low latency production systems. Strong experience in Adtech systems is a plus. Familiarity with Data Privacy laws (GDPR, CCPA) and their impact on system design. Target is one of the world’s most recognized brands and one of America’s leading retailers. We make Target our guests’ preferred shopping destination by offering outstanding value, inspiration, innovation and an exceptional guest experience that no other retailer can deliver. Target is committed to responsible corporate citizenship, ethical business practices, environmental stewardship and generous community support. Since 1946, we have given 5 percent of our profits back to our communities. Our goal is to work as one team to fulfill our unique brand promise to our guests, wherever and whenever they choose to shop. We'll contact you if you're selected for next steps. In the meantime, follow us at A Bullseye View for the latest news. Our Benefits We care about and invest in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life insurance and more, to help you and your family take care of your whole selves. Other benefits for eligible team members include 401(k), employee discount, short term disability, long term disability, paid sick leave, paid national holidays, and paid vacation. Find competitive benefits from financial and education to well-being and beyond at https://corporate.target.com/careers/benefits.