Java Developer

We are looking for an experienced Java Developer with strong Telecom Domain expertise, particularly in 4G/5G Core, Diameter, IMS, and SIP. The candidate should have hands-on experience in developing, enhancing, and troubleshooting telecom applications and signaling solutions.

Key Responsibilities:

• Design, develop, and maintain telecom applications using Java/J2EE.
• Develop and integrate solutions for 4G/5G Core Network environments.
• Work on telecom signaling protocols including Diameter and SIP.
• Develop and troubleshoot components related to IMS (IP Multimedia Subsystem).
• Analyze protocol traces, logs, and network captures for debugging and issue resolution.
• Collaborate with QA, DevOps, System Engineering, and Product teams.
• Participate in requirement analysis, design, coding, code reviews, testing, and production support.
• Optimize application performance, scalability, and reliability.
• Support customer issues and provide technical solutions when required.

Mandatory Skills:

• Strong hands-on experience in Core Java.
• Good experience in Java/J2EE development and object-oriented programming.
• Strong Telecom Domain experience in 4G/5G Core.
• Hands-on knowledge of Diameter Protocol.
• Experience with IMS and/or SIP.
• Good understanding of telecom signaling and communication interfaces.
• Strong debugging and problem-solving skills.
• Experience working on Linux/Unix environments.

Good to Have:

• Experience with Spring / Spring Boot.
• Knowledge of REST APIs and microservices.
• Experience with HTTP/2 and 5G Service-Based Architecture (SBA).
• Exposure to Docker/Kubernetes and cloud-native telecom applications.
• Knowledge of CI/CD tools such as Jenkins/GitLab.
• Experience with Wireshark or other protocol analysis tools.
• Exposure to Agile/Scrum methodology.

Education:

• Bachelor's or Master's degree in Computer Science, Electronics, Telecommunications, or a related field.