Project Description: The primary goal of the project is the modernization, maintenance and development of an eCommerce platform for a big US-based retail company, serving millions of omnichannel customers each week. Solutions are delivered by several Product Teams focused on different domains - Customer, Loyalty, Search and Browse, Data Integration, Cart. Current overriding priorities are new brands onboarding, re-architecture, database migrations, migration of microservices to a unified cloud-native solution without any disruption to business. Responsibilities: We are looking for an experienced Java Developer with good understanding of search engines, who can help to perform migration of client platform: - Quickly onboard to Customer's processes - Develop new features in Java and Kotlin for Spring Boot Microservices, as well as maintain existing ones - Improve Personalized Search - Modernize Data Ingestion for faster searching and indexing - Collaborate with other teams and client to find the best solutions Mandatory Skills Description: English - B2 or higher; Must have: Kotlin, Java Spring Boot, Gradle; Must have: Good understanding of how search engines works. Experience with Lucene based engines preferred e.g. Elasticsearch, Solr, etc Must have: Good understanding of semantics search / vector databases , embeddings and LLMs - At least 5 years of work experience including enterprise backend system design experience - Strong knowledge of Java/Kotlin language - Strong knowledge of Spring/SpringBoot - Experience of work with search platforms - Experience with Elasticsearch - Experience of development in production - Familiarity with databases (SQL/PostgreSQL), serving static web assets, and U/UX design - Deep understanding of enterprise application architecture patterns - Experience with distributed systems - Familiar with microservice architecture patterns - Familiar with Containers and Orchestration Systems (Kubernetes/PKS/OpenShift) - Adoption of Agile and DevOps culture - Strong written and verbal communication skills Nice-to-Have Skills Description: - Experience of work in distributed teams, with US customers - Experience in working with Kafka/Rabbit and caching (Hazelcast/Redis) - Experience in a hybrid cloud environment or willing to learn new techniques and approaches Languages: English: B2 Upper Intermediate