About the role
We are looking for a Senior Java Developer with strong experience in the Telecom domain to design and develop enterprise messaging applications. The ideal candidate should have hands-on expertise in Java, Kannel SMS Gateway, SMPP protocol, and telecom messaging platforms, along with experience building scalable REST APIs and microservices.
Responsibilities:
- Design, develop, and maintain Java-based enterprise applications.
- Develop and integrate SMS solutions usingKannel SMS Gateway and SMPP.
- Build REST APIs and microservices using Spring Boot.
- Integrate with SMSCs and telecom messaging platforms.
- Optimise application performance, reliability, and scalability.
- Troubleshoot production issues and collaborate with cross-functional teams.
- Perform code reviews and mentor junior developers.
Requirements:
- 6 to 10 years of Java development experience.
- Strong expertise in Java 8/11/17 Spring Boot, Spring MVC, Hibernate/JPA.
- Hands-on experience withKannel SMS Gateway and SMPP protocol.
- Experience with Telecom SMSCs and messaging platforms.
- Good to have: REST APIs, Microservices, SQL (MySQL/PostgreSQL/Oracle), Linux/Unix, Git, CI/CD pipelines.
- Strong debugging and problem-solving skills.
- Mandatory Skills: Java 8/11/17 Spring Boot, Spring Framework, Hibernate/JPA, REST APIs, Microservices, Kannel SMS Gateway, SMPP Protocol, Telecom Messaging Platforms, SMSC Integration, SQL, Linux, Git, CI/CD, Telecom Domain Experience.
- Must have prior Telecom industry experience with hands-on working knowledge of SMPP, SMSC, and Kannel SMS Gateway.
- Profiles without Telecom messaging experience will not be considered.
- Preferred Skills: Kafka, RabbitMQ, or ActiveMQ, Docker and Kubernetes, AWS, Azure, or GCP, Redis and monitoring tools (Grafana, Prometheus, ELK), Experience with Agile/Scrum.