Software Engineer II (Search Quality)

Bloomreach is building the world’s premier agentic platform for personalization .We’re revolutionizing how businesses connect with their customers, building and deploying AI agents to personalize the entire customer journey. We're taking autonomous search mainstream, making product discovery more intuitive and conversational for customers, and more profitable for businesses. We’re making conversational shopping a reality, connecting every shopper with tailored guidance and product expertise — available on demand, at every touchpoint in their journey. We're designing the future of autonomous marketing , taking the work out of workflows, and reclaiming the creative, strategic, and customer-first work marketers were always meant to do. And we're building all of that on the intelligence of a single AI engine — Loomi AI — so that personalization isn't only autonomous…it's also consistent.From retail to financial services, hospitality to gaming, businesses use Bloomreach to drive higher growth and lasting loyalty. We power personalization for more than 1,400 global brands, including American Eagle, Sonepar, and Pandora. Bloomreach is solving one of the digital world’s most fundamental problems: helping people instantly find what they need when they need it. We are seeking a Backend Software Engineer to join our Search Quality team , responsible for hosting and serving thousands of indexes at the scale of tens of thousands of queries per second. In this role, you’ll work with a passionate, versatile, and collaborative team, improving system scalability by utilizing cloud technologies. Additionally, you’ll have the opportunity to influence and implement architectural solutions that will enable us to achieve our goal of being the world’s most trusted digital experience platform. About the Team: AI Search The AI Search team is at the heart of transforming how customers interact with digital storefronts. We build an intelligent, scalable search engine that integrates advanced machine learning and natural language understanding into real-time systems. Our work directly impacts revenue and user experience across hundreds of enterprise e-commerce sites. What You'll Do As a Software Engineer II , you will play a critical role in developing our next-generation AI-powered search platform. You will: Design, develop, and maintain backend services and distributed systems powering search at scale. Collaborate with applied scientists and ML engineers to bring research prototypes into production. Work across the full stack of our AI Search architecture, from ingest and indexing to query-time ranking and retrieval. Integrate big data and real-time streaming systems (e.g., Kafka, Spark) to process and learn from user behavior at scale. Optimize for low-latency and high-availability performance across hundreds of millions of queries per day. Operate in a fast-paced, collaborative environment, where your work will directly influence customer success. Qualifications Must-Have: BS/MS in Computer Science or a related field. 2+ years of professional software engineering experience building backend systems using Java or Python. Strong grasp of computer science fundamentals including algorithms, data structures, and distributed systems. Experience working with cloud environments (AWS or GCP) and containerized deployments (e.g., Docker, Kubernetes). Proven experience with distributed systems, microservices architecture, and large-scale data pipelines. Experience with big data technologies such as Hadoop, Spark, Kafka, and data lakes. Strong analytical and debugging skills; passion for clean code and sustainable software practices. Interest in or exposure to machine learning technologies in real-world applications. Nice-to-Have: Experience with search engines such as Apache Solr, Lucene, or Elasticsearch. Familiarity with vector search, embeddings, or retrieval-augmented generation (RAG). Contributions to open-source p ... (truncated, view full listing at source)