Mobile Core Developer

MetTel

full-time

Posted on: 9/18/2025

Origin: • 🇺🇸 United States

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💰 $150,000 per year

Mid-LevelSenior

AWSDockerJavaKubernetesPythonVMware

About the role

Quickly gain expertise in existing 4G/5G mobile core software provided by our third-party partner.
Debug, troubleshoot, and resolve complex technical issues at the software source-code level.
Design, implement, and optimize new features to enhance mobile core functionality.
Collaborate closely with network architects and product managers to align software improvements with company and client requirements.
Ensure compliance with 3GPP standards, GSMA regulations, and ITU specifications.
Document software changes, feature enhancements, and bug fixes comprehensively.
Contribute to long-term strategic planning for network evolution and scalability.
Assume responsibility for debugging, maintenance, and feature enhancements at the source code level after mastering third-party and escrowed source code.

Minimum of 5 years of experience in mobile network software development, particularly with 4G/5G core network elements.
Extensive familiarity with 3GPP, GSMA, and ITU standards and compliance frameworks.
Demonstrable experience analyzing, debugging, and modifying complex software systems at source code level.
Proficiency in C/C++, Java, Python, or related languages used in telecom software development.
Understanding of SIM/eSIM technologies and associated security protocols.
Solid experience with DevOps practices and tools, including Git, Docker, Kubernetes, AWS, VMware and related technologies.
Prior experience directly handling source code for third-party developed telecom software.
Knowledge of private mobile networks and their integration with public roaming services.
Familiarity with mesh networking technologies and architectures.
Professional certifications related to mobile network technologies (e.g., GSMA certifications, 3GPP protocol certifications).
Strong analytical and problem-solving skills with meticulous attention to detail.
Excellent verbal and written communication abilities.
Ability to work independently as well as collaboratively within cross-functional teams.
Highly organized with the ability to manage multiple tasks simultaneously.
Adaptable, proactive, and comfortable in a fast-paced and evolving technology environment.