Network Software Engineer

Job Description

We are seeking a skilled telecom software engineer to join our team. The responsibilities include:

1. Design and Implementation of SBA Services: Develop microservice-based components such as AMF, SMF, PCF, NRF, and others in alignment with 3GPP standards (e.g., TS 23.501, 29.500).
2. RESTful API Development: Build and manage REST APIs for inter-NF (Network Function) communication, ensuring API compliance with OpenAPI specs and 3GPP message flows.
3. Cloud-Native Deployment: Use container technologies like Docker and Kubernetes to deploy services in scalable, resilient environments, whether on public cloud (AWS, Azure) or private 5G telco clouds.
4. Performance and Reliability: Ensure high performance, scalability, and reliability of network services, optimizing for low latency and high throughput.
5. CI/CD and DevOps: Integrate code into automated pipelines for continuous integration and deployment. Collaborate with DevOps teams for smooth service rollouts and updates.
6. Testing and Debugging: Write unit, integration, and system tests. Debug real-time issues in simulated or live environments.
7. Documentation and Standards Compliance: Maintain thorough documentation of designs, APIs, and implementations, ensuring compliance with evolving 3GPP standards.

Required Skills & Qualifications

• Bachelor's or Master’s degree in Computer Science, Telecommunications, or related field.
• 4+ years of experience in telecom software development, especially in 4G/5G Core domains.
• Strong understanding of networking concepts such as IP, UDP, TCP, SCTP.
• Hands-on experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM).
• Proficiency in programming languages like Go, Java, or C++.
• Experience in building microservices and working with REST/gRPC APIs.
• Solid knowledge of 3GPP specifications (especially TS 23.501, 23.502, 29.500+ series).
• Experience with Docker, Kubernetes, Helm, and cloud platforms (AWS, Azure, OpenShift).
• Familiarity with network protocols (HTTP/2, SCTP, Diameter, PFCP).
• Experience with CI/CD tools and test automation (Jenkins, GitLab, Robot Framework).

Preferred Qualifications

• Experience with network function virtualization (NFV) and service mesh (e.g., Istio).
• Knowledge of service orchestration and management frameworks (ONAP, OSM).
• Contributions to open-source telecom projects.
• Knowledge of observability tools (Prometheus, Grafana, Jaeger, ELK stack).
• Experience with test automation tools like Jenkins, Robot Framework, etc.
• Leadership experience in delivering specific project components, including leading small teams.