At Ericsson, you can be a game changer! Because working here isn’t just a deal. It’s a big deal. This means that you get to leverage our 140+ years of experience and the expertise of more than 95,000 diverse colleagues worldwide. As part of our team, you will help solve some of society´s most complicated challenges, enabling you to be ‘the person that did that.’ We’ve never had a greater opportunity to drive change; setting the bar for technology to be inclusive and accessible; empowering an intelligent, sustainable, and connected world.

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Software Engineer (Microservices)

Job Description

Date: Jan 16, 2020

Job Summary:


We are now looking for a Developer to design products (units, nodes, networks, systems and solutions).

Your role will include all development activities such as: requirement analysis, system design, architecture design, software design, integration, verification, simulations, tools design, Product Lifecycle Management support and product documentation.

Our focus is on Lean and Agile ways of working. We organize in cross functional development teams in which continuous improvement, innovation and knowledge sharing is part of the daily work.

We are looking for highly motivated senior/experienced professionals, passionate about SW aiming for an international and enriching working environment. Within R&D we work with cutting edge technologies that we renew on the go as we embrace new systems and tech.

You will work with technologies such as containers, cloud, multi-clustered systems, microservices, continuous integration and continuous delivery, digitalization of activities, agile... among others. You will be part of a self-organized team including top professionals to learn from (+ specific individual learning support).


What you will actually do:

You will work for Madrid R&D site to develop 5G mobile system core products. You will become an R&D engineer as part of the R&D Ericsson global development community.



High potential software developer with deep/strong knowledge and demonstrated experience in Cloud native software stacks and execution environments (Kubernetes, Dockers); and proficient in programming of open-platform, real-time and high-availability system, as well as scripting.

Bachelor’s degree in Telco, Computer Science, or close.

Linux fan: do you use Linux over windows? This is your place.


Being already proficient in programming of open-platform, real-time and high-available systems, as well as scripting.


Valuable: contributing to open source projects: Linux, Kernel, computing foundation, OpenVswitch, Cloud native, C++


Willing to share knowledge and learn (curious!!)


Good communication skills and open personality


Fluent in English



Experience with programming languages in real projects: Java, C++, Python, scripting, …

Strong development practices including code reviews, unit testing and regression testing

Knowledge of database concepts: SQL and no-SQL (Cassandra, Geode)

High availability concepts/ techniques (replication, leadership election, active/standby)

TCP/IP Networking and evolution transport protocols (like QUIC), data networks and IP-based applications (HTTP, HTTPS,  ..).

Capacity to investigate and debug complex issues. Including performance tuning experience, troubleshooting, core dump analysis, …

Knowledge in operating system architectures and capacity to model scalable designs and solutions

Knowledge in Mobile network architecture 4G/5G. Interfaces, protocols, functions. 

Knowledge in real time data analytics algorithms.




Perform continuous analysis and requirement handling. 

Develop and test high quality products

Perform trouble shooting and customer support

Drive continuous improvements of products and processes



Ericsson provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetics.

Ericsson complies with applicable country, state and all local laws governing nondiscrimination in employment in every location across the world in which the company has facilities. In addition, Ericsson supports the UN Guiding Principles for Business and Human Rights and the United Nations Global Compact.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, training and development.

Ericsson expressly prohibits any form of workplace harassment based on race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetic information.


Primary country and city: Spain (ES) || || Madrid || ServEng

Req ID: 318536