RADIUS is an AI-powered Omnichannel Interaction System designed to transform customer experience across enterprises. It seamlessly integrates voice, chat, email, social, and messaging channels into a unified platform, enabling organizations to deliver intelligent, real-time, and personalized customer engagement at scale.

Role Overview

We are looking for a skilled Java Developer with 3 5 years of experience to build scalable backend systems and real-time applications. This role also offers the chance to work on cutting-edge AI-driven capabilities, including generative AI integrations. You will play a key role in designing high-performance systems, developing intelligent features, and collaborating across product, AI, and DevOps teams.

Key Responsibilities
Design and develop scalable, high-performance backend systems
Build and maintain RESTful APIs using Spring Boot
Develop real-time communication systems using WebSocket and Socket Programming
Implement productive data access layers using JDBC and Hibernate (JPA)




Apply multithreading and concurrency to optimize system performance
Develop AI-powered features such as chatbots and automation tools
Design and implement RAG (Retrieval-Augmented Generation) pipelines
Integrate LLMs and external AI APIs into backend services
Optimize system performance, scalability, and reliability
Troubleshoot production issues and perform root cause analysis
Mentor junior developers and contribute to architecture discussions
Collaborate with Product, AI/ML, and DevOps teams

Core Technical Skills Backend Development
Java (8+/17+)
Spring Boot, Spring MVC
Hibernate, JPA
JDBC, SQL (MySQL / PostgreSQL)
Kafka / Apache Flink

Core Java Concurrency
OOP, Collections, Exception Handling
Java Streams Lambda
Multithreading Concurrency:
Thread lifecycle
Synchronization locks
Executors thread pools
Atomic variables, volatile
Thread safety, race conditions, deadlocks

Real-Time Networking
Socket

📌 Senior Java Developer Bhubaneswar
🏢 RADIUS OIS
📍 Bhubaneswar