Developer (243213)

Position Summary

We at Ericsson Packet Core (PC) in Lindholmen are now looking for talented developers wanting to join our SGSN-MME development with high focus on lead customers requests.

We are currently looking for a software developer to work with Ericsson's industry-leading SGSN-MME product that is a part of 2G-, 3G-, 4G and 5G-networks. We are constantly adding new functionality to support both existing and future generation networks.

SGSN-MME is a central (key) node in the packet core network, providing packet data capability to GSM, 3G and SAE/LTE (Evolved Packet System). An SGSN-MME is a large scale distributed and parallel system implemented mainly in Erlang and C/C++.

We stand at the forefront of Agile software development, using methods like Lean and Scrum to create a product that excels. Early customer and stakeholder feedback is a key element in our development process which is based on Continuous Integration SW practices. We rely on team collective responsibility to complete all tasks according to an established backlog priority.

To expand our organization’s capacity, we are looking for ambitious, intelligent, creative and inspiring individuals to join us. We provide a fun and challenging environment where you can grow and help to inspire your colleagues to further growth.

Responsibilities & Tasks

Our teams are cross-functional, self-organizing, international and highly independent. You’ll be working directly with your Product Owner and stakeholders in a collaborative manner. This requires maturity and a ‘team first’ approach, which may not be right for everyone, but which we believe is the best way to create great software.

The team will design, implement and test the feature, product and system from requirements to production and commercial deployment. Each team has life cycle responsibility for a part of the product.

Among other things, Unit/Component Test, Refactoring and Continuous Delivery are defining concepts and we are constantly improving our ways of working. We are not perfect and not afraid to say so. We are on a journey and we know we have many problems to solve and we need to learn new things on the way. We believe in trying new things that suits your team, e.g.:

•Software Craftsmanship
•Reserved time for improvements and innovations
•Hackathons
•Katas, Coding Dojos
•Knowledge sharing from external channels

Our product, tools and infrastructure places high technical requirements on the team including high-performance application development, low latency requirements, multi-threaded/multi-process troubleshooting, and embedded system development in an environment with huge amounts of data.

Technologies we use and need to master

To understand our product, knowledge of functional programing, IP Protocols and Routing in an embedded environment is essential. Most of our product application code is written in Erlang, C in platform whereas test and development scripts are developed in TTCN, Perl, Python and Java.

We are interested in candidates from a variety of backgrounds, with a keen understanding of IP protocols and IP-based routing in an embedded environment and a passion to learn and develop new skills. Here is a (non-exclusive) list of technologies that we currently use:
•Erlang, C, Golang, TTCN, Python
•Integration of Microservices in a Service Based Architecutre
•Kubernetes
•Linux development, working with high performance Linux application
•GIT, Gerrit, Jenkins
•Debugging, analyzing core dumps

Qualifications

MSc level in Computer Science or the equivalent level of knowledge

Fluent in English, written and oral.

Developer

We want smart, self-motivated product developers who love solving complex problems to join our great international development teams. Good working TDD and other agile experience is essential for our organization.

About you
•You are passionate about what you do which is obvious from your actions
•You have a talent for software development and computer systems. Your love to discuss software development and are comfortable about sharing this knowledge
•You are continuously developing your knowledge through experience, as well as reading and experimentation
•You love troubleshooting and digging into complex problems where it is not evident what causes the failed checkpoints or other symptoms you see
•You think repetitive tasks are so boring that you do anything to automate them so you can focus on the fun work instead
•You have focus and ambition to understand customer needs on developed features
•You take pride in understanding the whole product and its environment
Software is more than just a job for you

Why is Ericsson a great place to work?
Ericsson is the driving force behind the Networked Society where every person and every industry is empowered to reach their full potential. Mobility, broadband and the cloud are transforming the world, enabling industries and society to provide better services, capture new opportunities, improve businesses, increase efficiency, and create new user experiences.
Our services, software and infrastructure support every major telecom operator in the world. The transformation that this brings allows people, business and society to fulfill their potential and build a more sustainable future.