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 opportunity 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