Senior Java Engineer: RAG Systems & Cloud Microservices

Next Level Business Services Inc.; Denver (CO); On-site; USD 140,000 - 190,000; Full time

Job summary

Next Level Business Services Inc. seeks a Senior Software Engineer to design and implement full-stack Java solutions, focusing on Retrieval-Augmented Generation (RAG) systems and cloud-native deployments.

You will build high-throughput microservices backed by Kafka Streams, manage vector stores, and helm charts for Kubernetes on AWS EKS, collaborating with data, platform, and product teams. The role requires 5-7 years of professional experience, strong Java/Spring Boot, and experience with CI/CD

Qualifications

• 5-7 years of professional software engineering experience

Responsibilities

• Architect and implement RAG-based features.
• Develop high-throughput Java microservices backed by Kafka event streams.
• Package, deploy, and operate services on AWS EKS using Helm.
• Collaborate with data, platform, and product teams to define technical direction.
• Mentor junior engineers and contribute to engineering standards.

Skills

Java

Spring Boot

Microservices

REST APIs

Kafka

Kubernetes

RAG

LLMs

Pinecone

Weaviate

NoSQL

Redis

CI/CD

Education

B.Tech / B.E. in Computer Science

M.Tech in Computer Science

Tools

AWS EKS

Kafka Streams

OpenSearch

Docker

Helm

Job description

Next Level Business Services Inc. seeks a Senior Software Engineer to design and implement full-stack Java solutions, focusing on Retrieval-Augmented Generation (RAG) systems and cloud-native deployments.

You will build high-throughput microservices backed by Kafka Streams, manage vector stores, and helm charts for Kubernetes on AWS EKS, collaborating with data, platform, and product teams. The role requires 5-7 years of professional experience, strong Java/Spring Boot, and experience with CI/CD