Pinnacle Teleservices - Java Developer - Spring Boot/Hibernate

Pinnacle Teleservices Pvt Ltd

Nagpur

3 - 7 Years

3.8

41+ Reviews

Java API Integration RESTful API Spring Boot Hibernate Microservices Architecture MySQL AWS Kafka

Posted on: 10/07/2025

Job Description

Job Summary :

We are seeking a highly skilled Core Java Developer with experience in WhatsApp Business API and RCS.

The candidate will be responsible for designing, developing, and optimizing messaging solutions using Java-based frameworks.

This role requires hands-on experience in backend development, API integrations, and cloud-based architectures.

Key Responsibilities :

- Develop, optimize, and maintain Java-based applications for WhatsApp Business API & RCS messaging.

- Integrate and manage WhatsApp Cloud API and RCS messaging platforms to enhance communication solutions.

- Work with RESTful APIs, Webhooks, and WebSocket protocols for seamless messaging functionality.

- Implement secure and scalable solutions for handling high-volume messaging transactions.

- Collaborate with product, DevOps, and front-end teams to improve platform performance and reliability.

- Ensure compliance with WhatsApp & RCS guidelines and telecom regulations.

- Troubleshoot and resolve technical issues related to messaging services and third-party integrations.

- Optimize backend performance using multithreading, caching, and database indexing techniques.

Required Skills & Experience :

- 3-7 years of experience in Java development, with expertise in Spring Boot, Hibernate, and Microservices.

- Hands-on experience with WhatsApp Business API and RCS messaging.

- Strong knowledge of RESTful APIs, JSON, and Webhooks.

- Experience in MySQL, PostgreSQL, or NoSQL databases (MongoDB, Redis).

- Exposure to cloud platforms (AWS, GCP, or Azure) for deploying scalable applications.

- Familiarity with RabbitMQ, Kafka, or other message queuing systems.

- Understanding of OAuth, JWT, and security best practices.

- Experience with Docker, Kubernetes, and CI/CD pipelines is a plus.

Preferred Qualifications :

- Experience in CPaaS (Communication Platform as a Service) domain.

- Knowledge of chatbots, AI-based messaging, and NLP integration