Java Development

Amantya Technologies, Inc.; Bengaluru; On-site; INR 1,500,000 - 3,000,000; Full time

Job summary

Amantya Technologies, Inc. seeks an experienced Java Developer with strong telecom domain expertise, focusing on 4G/5G Core, Diameter, IMS, and SIP. The role involves hands-on development, troubleshooting, and enhancement of telecom signaling solutions.

The candidate will design and implement telecom applications in Java/J2EE, work on core network environments, and collaborate with cross-functional teams to ensure performance, scalability, and reliability.

Qualifications

• 4–12 years of hands-on Java development in telecom.
• Experience with 4G/5G Core networks.
• Proficiency with Diameter, IMS, and SIP signaling.
• Linux/Unix expertise.
• Strong debugging and problem-solving skills.

Responsibilities

• Design, develop, and maintain telecom applications using Java/J2EE.
• Develop and integrate solutions for 4G/5G Core Network environments.
• Work on Diameter and SIP signaling.
• Develop and troubleshoot IMS components.
• Analyze protocol traces, logs, and network captures.
• Collaborate with QA, DevOps, System Engineering, and Product teams.
• Participate in requirement analysis, design, coding, reviews, testing, and support.
• Optimize performance, scalability, reliability.
• Support customer issues with technical solutions.

Skills

Core Java

Java/J2EE

4G/5G Core

Diameter Protocol

IMS/SIP

Linux/Unix

Debugging

Education

Bachelor/Master in CS/Electronics/Telecom

Job description

Experience: 4–12 Years

Location: Gurgaon

Employment Type: Full-Time

Job Summary

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.