5G Core Network Development Engineer

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 Location : Stevenage, UK Onsite/Remote : Remote work Job Type: Permanent hiring Mandatory: Please apply local and do not need Visa sponsorship only Job description: 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). Linux scripting - Shell scripting, Python 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.