Core Network SaaS Developer

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About this opportunity Ericsson On-Demand: Shaping the next telecommunications paradigm

Ericsson On-Demand is transforming mobile telecommunications through true as-a-Service solutions and public-cloud-based commercial models. In partnership with Google Cloud, we are enabling Ericsson Core Network Services, starting with 5G DMC, to run at hyperscaler scale.

Launched in 2025, Ericsson On-Demand is moving from incubation toward commercial readiness and preparing for trials in response to growing market demand.

You’ll help shape how public cloud connects with core telco services, building elastic, fit-for-purpose capabilities while exploring new business models. Together, we’re making 5G services more accessible, versatile, and ready for new innovation.

We’re looking for people with varying levels of experience who want to help drive industry change and apply the latest technologies to a domain society relies on every day.

Come join us and help shape the future of telecommunications!

What you will do End-to-End Development: Develop services across the full lifecycle, from optimized Go and C/C++ code to automated testing and deployment. Architecture: Design and implement secure, scalable, and highly reliable applications and services.

CI/CD & Automation: Build and improve cloud-native CI/CD pipelines to automate software delivery from commit to production. Operations: Implement monitoring, logging, and alerting to ensure reliability, availability, and performance.

Innovation: Stay current with emerging cloud technologies and share knowledge across the organization. Collaboration: Work in a Lean, Agile, and DevSecOps environment to deliver customer value.

The skills you bring Strong understanding of 4G/5G Core Network architecture, particularly Packet Core (SMF/AMF/UPF). Hands-on PCC/ PCG implementation and design, with an emphasis on PC-MM/PC-SM/UP development.

-JS6: 5+ years of experience across multiple domains. -JS7: 10+ years of experience, including multiple technical leadership roles. Strong programming skills in Go and C/C++, plus experience with Infrastructure as Code tools such as Terraform.

System Management: Experience driving system and feature studies, with end-to-end traceability from requirements through implementation, testing, and documentation. Strong practical experience with cloud-native technologies, including Kubernetes, Docker, and microservices.

Experience with major public clouds such as GCP, AWS, or Azure. Understanding of core network architecture, including NFV and SDN. Strong knowledge of network security principles and practices.

Hands-on experience with GitHub, GitHub Actions, and CI/CD tooling. A collaborative, customer-focused mindset with strong problem-solving skills, curiosity, and a passion for continuous learning.