5G Core Network Development Engineer

FindErnest; London; Remote; GBP 60,000 - 90,000; Full time

Job summary

A leading tech company is seeking a MID_SENIOR 5G Core Network Development Engineer for a remote role based in London. You will contribute to cutting-edge 5G network solutions, utilizing advanced programming and DevOps practices to enhance network functions. Ideal candidates will have a passion for innovative technology and a track record of delivering high-quality software.

Qualifications

• 6+ years of hands-on development experience with 5G network functions.
• Strong programming skills in Go, Java, or C++.
• Proficient in building microservices and working with REST/gRPC APIs.

Responsibilities

• Design and develop cloud-native network functions for 5G.
• Integrate code into automated pipelines for CI/CD.
• Collaborate with DevOps teams for service deployments.

Skills

5G SBA network functions

Go

Java

C++

REST/gRPC APIs

Docker

Kubernetes

3GPP specs

network function virtualization

Test Automation tools

Job description

Social network you want to login/join with:

5G Core Network Development Engineer, London

col-narrow-left

Client:

Location:

London, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Reference:

3be8c7d889d2

Job Views:

56

Posted:

22.06.2025

Expiry Date:

06.08.2025

col-wide

Job Description:

Description

FindErnest is looking for a talented MID_SENIOR 5G Core Network Development Engineer to join our dynamic Information Technology/IT team. In this FULL_TIME role, you will have the opportunity to work REMOTE, contributing to the development and optimization of cutting-edge 5G core network solutions. If you are passionate about network development and eager to work in a collaborative and innovative environment, we would love to have you on board!

Job: 5G Core Network Development engineer

Job Type: Permanent hiring

Mandatory: Please apply local and do not need Visa sponsorship only

• 5G Core Network—designing and developing cloud-native network functions like AMF, SMF, PCF, NRF, and others in alignment with 3GPP standards (e.g., TS 23.501, 29.500 )
• Build and manage REST APIs for inter-NF (Network Function)
• Experience in container technologies like Docker and Kubernetes to deploy services in scalable, resilient environments—whether on public cloud (AWS, Azure) or private 5G telco clouds
• Integrate code into automated pipelines for continuous integration and deployment. Collaborate with DevOps teams to ensure smooth service rollouts and updates

Skills:

• 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM)
• Strong programming skills in languages such as Go, Java, or C++
• Proficient in building microservices and working with REST/gRPC APIs
• Experience in Docker and Kubernetes in deploying services over public or private clouds
• Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series)
• Experience with network function virtualization (NFV) and service mesh (e.g., Istio) will be plus

Preferred Qualifications:

• Experience with network function virtualization (NFV) and service mesh (e.g., Istio).
• Exposure to service orchestration and management frameworks (ONAP, OSM).
• Contributions to open-source telecom projects are a plus.
• Knowledge of observability tools (Prometheus, Grafana, Jaeger, ELK stack).
• Knowledge and experience with Test Automation tools such as Jenkins, Robot or similar
• Has led a small team in the delivery of a specific deliverable.