5G Core Developer (Stevenage)

Required Skills & Qualifications:

• Bachelor’s or master’s degree in computer science, Telecommunications, or related field.

• 4+ years of experience in telecom software development, ideally in 4G/5G Core domains.

• OS Proficiency - Linux (Ubuntu/Debian)

• Good Understanding of Networking Concepts IP, UDP, TCP, SCTP

• Hands-on 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.

• Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series).

• Experience with Docker, Kubernetes, Helm, and cloud platforms (AWS, Azure, or OpenShift).

• Familiarity with network protocols ( SCTP, Diameter, PFCP).

• CI/CD tools and test automation experience (Jenkins, GitLab, Robot Framework, etc.).

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 small team in delivery of a specific deliverable.