Senior OpenSearch Engineer

Quest Global; Chennai; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Quest Global in Chennai, India invites a software engineer to lead OpenSearch/Elasticsearch implementations, vector AI search, and AWS Bedrock integrations. You will optimize search relevance, manage indexing and sharding, and craft scalable microservices.

The role requires strong programming skills in Java/Python/Node.js/Go, plus hands-on experience with AWS services, CI/CD, and container platforms. You will collaborate across teams to deliver cutting-edge search solutions.

Qualifications

• Proven experience with OpenSearch/Elasticsearch stack and query tuning.

Responsibilities

• Design and optimize OpenSearch indices and search relevance.

Skills

OpenSearch

Elasticsearch

Query DSL

Search Relevance Tuning

Aggregations

Index Lifecycle Management

Sharding & Replication

Analyzers & Tokenizers

OpenSearch Dashboards

Kibana

Java

Python

Node.js

Go

REST APIs

Microservices Architecture

Distributed Systems

Scalability Engineering

Tools

OpenSearch

Elasticsearch

Query DSL

Amazon Bedrock

Embedding Models

Knowledge Bases

Kubernetes

Docker

Terraform

CloudFormation

CI/CD Pipelines

AWS OpenSearch Service

Lambda

S3

DynamoDB

API Gateway

Kibana

Job description

Role & responsibilities

OpenSearch / Elasticsearch

• OpenSearch
• Elasticsearch
• Query DSL
• Search Relevance Tuning
• Aggregations
• Index Lifecycle Management
• Sharding & Replication
• Analyzers & Tokenizers
• OpenSearch Dashboards
• Kibana

Vector Search & AI Search

• Vector Databases
• Vector Indexing
• Embedding Generation
• Semantic Search
• Retrieval Systems
• Hybrid Search Architecture
• Similarity Ranking
• k-NN Search
• ANN Algorithms
• Embedding Lifecycle Management
• Retrieval-Augmented Generation (RAG)

Amazon Bedrock & Generative AI

• Amazon Bedrock
• Foundation Models
• Prompt Engineering
• Embedding Models
• Knowledge Bases
• Agentic AI Workflows
• Generative AI Applications
• Semantic Retrieval Systems

Programming Skills

At least one or more:

• Java
• Python
• Node.js
• Go (Preferred)

Additional Skills:

• REST APIs
• Microservices Architecture
• Distributed Systems
• Scalability Engineering

AWS Cloud Technologies

• Amazon OpenSearch Service
• Amazon Bedrock
• Lambda
• ECS
• EKS
• S3
• DynamoDB
• API Gateway

DevOps & Platform Engineering

• Docker
• Kubernetes
• CI/CD Pipelines
• Terraform
• CloudFormation
• Infrastructure Automation