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Senior Backend Engineer - Retrieval Systems

India
Full Remote
This Job is No Longer Active This position is no longer accepting applications

Design and develop scalable retrieval systems for high-volume search applications. Work on advanced retrieval pipelines involving federated search, blended result orchestration, and ranking coordination. Collaborate with ranking, ML, platform, and product engineering teams to improve recall quality and search experience.

Key Highlights
Design and develop scalable retrieval systems
Work on advanced retrieval pipelines
Collaborate with ranking, ML, and product engineering teams
Key Responsibilities
Design and develop scalable retrieval systems
Build and optimize backend services in Java
Develop and maintain retrieval infrastructure using Vespa and/or Solr
Implement multi-source retrieval pipelines across structured and unstructured datasets
Optimize query execution, indexing strategies, caching, and relevance performance
Collaborate with ranking, ML, platform, and product engineering teams to improve recall quality and search experience
Technical Skills Required
Java Vespa Solr Cassandra API design Distributed service architecture Microservices architecture Cloud-native deployment models
Benefits & Perks
Remote work
Salary range not explicitly stated
Nice to Have
Experience with federated search systems
Knowledge of result blending and ranking orchestration techniques
Experience building secondary result stacks, recommendation shelves, or carousel-based retrieval systems

Job Description

Role OverviewWe are looking for a to design and build large-scale, high-throughput retrieval infrastructure powering modern search and recommendation experiences. The ideal candidate will have strong backend engineering expertise, deep understanding of distributed search systems, and experience orchestrating retrieval across multiple data sources.You will work on advanced retrieval pipelines involving federated search, blended result orchestration, ranking coordination, and secondary result stacks/carousels at scale.Core Responsibilities
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