Software Engineer - 4G/5G RAN

Casa Systems

Valencia, ES
  • Job Type: Full-Time
  • Function: Engineering Software
  • Post Date: 04/18/2021
  • Website:
  • Company Address: 100 Old River Road, Andover, MA, 01810

About Casa Systems

Casa Systems is pioneering advanced ultra-broadband 5G solutions for mobile, cable, fixed and converged service providers.

Job Description

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Job Description

Casa Systems, Inc. (Nasdaq: CASA) is 5G, delivering physical, virtual and cloud-native 5G infrastructure and customer premise networking for high-speed data and multi-service communications networks. Our core and edge convergence technology enables public and private networks for both communications service providers and enterprises. Casa Systems™ products deliver higher performance, improved network flexibility and scalability, increased operational efficiency and lower total cost of ownership (TCO). Commercially deployed in more than 70 countries, Casa serves over 475 Tier 1 and regional service providers worldwide. At Casa Systems, our mission is to deliver ultra-broadband solutions that keep families, communities and the world connected. We harness our passion for innovation to drive technological solutions that allow service providers to do amazing things that improve the way we live.


Casa Communications Technology S.L.U., an entity of Casa Systems, Inc., seeks to hire a Software Engineer to join our engineering team based in Valencia, Spain. 


The Software Engineer impacts the organization by performing design, development and debug of high performance, robust software for high performance 4G/5G/LTE and small cell and radio products.




  • As a member of a software engineering team, develops subsystems of 4G and 5G small cell solutions including 4G and 5G protocol stacks and/or management systems.
  • Designs and develops high-volume, high-performance, high-availability Radio Access Network software and applications using proven software development frameworks and technologies.
  • Ensures consistent use of shared platform components and technologies within Casa Systems RAN product portfolio.
  • Designs and develops reusable libraries and APIs for use across the Casa Systems RAN product portfolio.
  • Contributes to best practices for software development at Casa Systems.
  • Designs and writes unit and integration tests, within automated test environments to ensure code quality.
  • Writes concise yet comprehensive technical documentation.
  • Responsible for work quality, ensuring it meets the technical standards for all Casa Systems RAN product portfolio.
  • Monitors work against the product delivery schedule closely and provide progress updates and report any issues or technical difficulties to both the management team and the senior developers on a regular basis.




  • Undergraduate degree in Electrical Engineering, Computer Engineering or Computer Science; or equivalent work experience required.
  • 2+ to 5 years of related experience.
  • Creative and self-motivated, ability to design and develop the complex fault tolerant systems.
  • Proficient communication and interpersonal skills are required.
  • Able to work in a dynamic, fast paced environment is required.
  • Able and willing to travel as needed.
  • Experience with LTE architecture and 3GPP standards.
  • Experience working in an Agile Development environment.
  • Familiarity with TDD and ATDD.
  • Experience with continuous integration tools such as Jenkins.
  • Experience with test frameworks such as Robot Framework or Cucumber.
  • Familiarity with programming languages such as C or C++.
  • Familiarity with scripting languages such as Python.
  • Linux/Unix operating system knowledge and shell scripting.


Casa Systems is committed to fostering a diverse workforce and inclusive work environment free from unlawful employment discrimination and without barriers to Equal Employment Opportunity. Candidates must be able to work in Spain without Company sponsorship.


Job Location
Valencia, Valencia / València (ca), Spain
Position Type

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.