Career Area:
Technology, Digital and Data
Job Description:
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
About the Role
We are looking for a highly skilled OpenSearch Engineer to build and optimize next-generation search experiences for our eCommerce platform. The ideal candidate will possess deep expertise in OpenSearch/Elasticsearch, vector search, semantic retrieval, and Amazon Bedrock-based GenAI solutions.
This role will be responsible for designing scalable search architectures that combine traditional keyword search with AI-powered semantic search, recommendation systems, and Retrieval-Augmented Generation (RAG)



capabilities to enhance product discovery and customer experience.
Key Responsibilities
Search Platform Engineering
Design, deploy, and manage enterprise-scale OpenSearch clusters.
Build high-performance search solutions for product discovery, category browsing, filtering, autocomplete, and recommendations.
Define and maintain index mappings, analyzers, tokenizers, synonyms, and ranking strategies.
Optimize query performance, relevance scoring, aggregations, and search latency.
Implement real-time and near real-time indexing pipelines for products, inventory, pricing, promotions, and customer data.
Vector Search & Semantic Search
Design and implement vector indexing strategies using OpenSearch vector engine.
Build semantic search capabilities using embeddings generated from foundation models.
Configure and optimize:
Dense vectors
k-NN search
Approximate Nearest Neighbor (ANN)
Hybrid search (keyword + vector search)
Simi

📌 Software Engineer (Bengaluru)
🏢 Caterpillar
📍 Bengaluru