Core Network SaaS Developer
Ericsson AB · Stockholm · Tills vidare · Deadline 2026-11-08
Ericsson AB is recruiting a **Core Network SaaS Developer** to join the Ericsson On-Demand initiative, which delivers cloud-based telecommunications services in partnership with Google Cloud. Working within a Lean, Agile, and DevSecOps framework, the role covers the full development lifecycle for core network services running at hyperscaler scale. Key responsibilities include writing optimized software, architecting scalable and secure applications, building cloud-native CI/CD automation pipelines, and implementing operations tooling for monitoring, logging, and performance. Candidates need strong programming skills in **Go and C/C++**, alongside practical experience with **cloud-native technologies** such as Kubernetes, Docker, microservices, and public clouds like GCP, AWS, or Azure. Applicants must possess a deep understanding of 4G and 5G Packet Core architecture (including SMF, AMF, UPF, NFV, and SDN) and hands-on design experience with PCC/PCG, emphasizing PC-MM, PC-SM, or UP development. Ericsson welcomes varying seniority levels, requiring either at least five years of cross-domain experience (JS6 level) or ten or more years including technical leadership roles (JS7 level), coupled with familiarity in Infrastructure as Code tools like Terraform and GitHub CI/CD workflows.
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.