Java Developer (Cellular Core Network)

Greetings!

We are EIL Global, a company providing managed IT services in Asia Pacific and EMEA across various technologies such as desktops, servers, networks, and data centre technologies. We are headquartered in Adelaide, Australia, and have clients and offices across Asia Pacific & EMEA locations.

Role Overview

We are looking for an experienced Cellular Core Network Developer to design, document, and implement network functions of a cloud-based, 3GPP-compliant 5G SA home network. The role requires strong collaboration with the tech lead and other team members, along with a focus on timely and predictable delivery of tested software.

Role: Developer – Cellular Core Network

Location: Gurgaon

Work Mode: Hybrid (3 days in-office + 2 days remote)

Duration: Long-term (12+ months)

Key Responsibilities

• Design, document, and implement 5G SA core network functions.
• Provide accurate effort and schedule estimates.
• Actively participate in daily stand-up meetings and share progress updates.
• Deliver robust, tested, and production-ready software.
• Collaborate closely with the tech lead and cross-functional teams.
• Desired Domain Experience

3GPP Cellular Network Standards:

• 2G/3G (SS7), 4G (Diameter), 5G SA

• RADIUS, SMS, SMPP, VoLTE

API Development & Security:

• OAuth2, PKI, mTLS, SSL

IP Networks:

• Packet inspection, routing, IP allocation & assignment

• Subnets, CIDR specification, IPv6

Development Skills

Required (5–7 years):

• Java
• Database (MySQL, Oracle, Cassandra, Redis – at least one)
• pcap/wireshark/tcpdump
• Git source control

Desirable:

• Spring Boot
• Docker/Containers/Kubernetes
• C/C++

Education

BS or higher degree in Computer Science or equivalent

To Apply

Kindly share your updated CV along with the following details:

Contact #:

Email:

Preferred Contact Time:

Current Salary:

Expected salary:

Current Location:

Citizenship:

Thanks & Regards,

Preethi Sampath

Project Coordinator

Preethi.sampath@eilglobal.com