Ericsson Careers

Senior Erlang Developer with Telecommunication Knowledge

Łódź, Poland
Research & Development

English (US)

Job Description

Date: Sep 15, 2018

Job Summary:

BID - BU Network Products (BNEP) Information and Communications Technology (ICT) and Development Environment in Poland provides a union of services and tools developed for testing networks like 2G, 3G, 4G and 5G. Those test tools and test automation frameworks are required for verification of product and its functionalities during the development process. CSIM-FsUE, CSIM-Cloud, UE Control, GTE and TAO all have an important role in the organization.


CSIM-FsUE: Part of Component Based Simulator is an Ericsson’s full UE simulator, which simulates UEs and works in several modes: LTE, NR NSA/SA (High-band, Mid-band, Low-band). It connects via C1 / L1BP, includes traffic generator and optional functionalities like channel emulation, radio environment, user behavior. FsUE can verify features, test capacity or throughput of the network and provides different cell and antenna configurations. It is used by both testers and developers of the eNodeB.

We are now looking for a Developer who will be a part of XFT with product responsibility in BID FsUE area. Your role will include development activities such as: requirement analysis, software design and refactoring, integration, verification 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.



  • Solid knowledge in Erlang programming
  • Thorough knowledge of telecommunication technologies/protocols
  • Knowledge in Linux systems
  • Familiarity with version control systems
  • Profound product development/lifecycle knowledge
  • Coordinating and driving tasks attitude, accelerating project goals
  • Innovating, adapting and responding to change
  • Good communication and collaboration skills
  • Proficiency in English

    Key Qualifications:
  • Education: Master or Bachelor of Science in Computer Science or equivalent formal education with experience in software programming
  • At least 5 years of programming experience
  • Telecommunications aspects understanding: technical and business


    Additional Requirements:

  • Experience in creating advanced software architectures, redesign and refactoring, competent in design patterns
  • Knowledge of fast path packet processing (DPDK, XDP)
  • Good knowledge of Java programming and SW testing
  • Good knowledge of MJE framework
  • Knowledge of scripting languages (Python, Bash)
  • Knowledge of Agile software development methodologies (Scrum) and Lean
  • Knowledge of GNU tool chain
  • Proficiency in planning and own work organizing


Why is Ericsson a great place to work?


Ericsson enables communications service providers to capture the full value of connectivity. The company’s portfolio spans Networks, Digital Services, Managed Services, and Emerging Business and is designed to help our customers go digital, increase efficiency, find new revenue streams, and create new user experiences. Ericsson’s investments in innovation have delivered the benefits of telephony and mobile broadband to billions of people around the world ensuring our solutions – and our customers – are at the forefront of innovation.   We support networks that connect more than 2.5 billion subscribers. With over 100,000 employees and customers in 180 countries, we combine global scale with technology and service leadership.  40 percent of the world’s mobile traffic is carried over an Ericsson network.  And, our Technology for Good and Connect to Learn programs include creating technology that makes it easier to save lives, feed societies, bring technology to emerging markets and connectivity to remote areas, and grow businesses and prosperity.

At Ericsson, we give our employees the freedom to think big and navigate their career, on a global scale.  We create technology that helps others, from helping people enjoy their favorite content to helping people recover from natural disasters by enabling better communications between rescue workers. Your ideas and innovations can turn into achievements that impact society and change the world, creating new connections, new possibilities, and new capabilities.  We find that Ericsson is at its best when we bring together the diverse skills of our people. Working across business areas, across cultures, across geographical borders, across technical disciplines. Often, across ground-breaking solutions. Next generation technology can be staggeringly complex. But the simpler it is to use; the more people benefit from it. Join us and help build technology that makes it simple to connect with information, business, societies, and each other.



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: Poland (PL) || || Łódź || R&D

Req ID: 256901