Senior Software Engineer - Small Cell, RAN (Spain)

Casa Systems

Valencia, ES
  • Job Type: Full-Time
  • Function: Engineering Software
  • Post Date: 03/29/2021
  • 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

Tracking Code
Job Description

Casa Systems, Inc. (Nasdaq: CASA) delivers converged broadband technology solutions that enable mobile, cable and fixed network service providers to meet the growing demand for gigabit bandwidth and services. Our suite of distributed and virtualized solutions for fixed and mobile 5G ultra-broadband networks are engineered for performance, flexibility and scale. Commercially deployed in over 70 countries, Casa serves more than 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 Senior Software Engineer (RAN) to join our engineering team based in Valencia, Spain.


The Senior Software Engineer (RAN) 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, develop subsystems of 4G and 5G small cell solutions including 4G and 5G protocol stacks and/or management systems.
  • Design and develop high-volume, high-performance, high-availability Radio Access Network software and applications using proven software development frameworks and technologies.
  • Ensure consistent use of shared platform components and technologies within Casa Systems RAN product portfolio.
  • Design and develop reusable libraries and APIs for use across the Casa Systems RAN product portfolio.
  • Contribute to best practices for software development at Casa Systems.
  • Design and write unit and integration tests, within automated test environments to ensure code quality.
  • Write concise yet comprehensive technical documentation.
  • Responsible for work quality, ensuring it meets the technical standards for all Casa Systems RAN product portfolio.
  • Monitor 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.




  • Graduate degree in Electrical Engineering, Computer Engineering or Computer Science; or equivalent work experience required.
  • 5+ to 7 years of related software development experience; including RAN.
  • Proficient level coding experience using C or C++ language/s.
  • Linux/Unix operating system knowledge and shell scripting.
  • Proficient level experience with LTE architecture and 3GPP standards.
  • Proficient level experience working in an Agile Development environment.
  • Basic experience with TDD and ATDD.
  • Experience with continuous integration tools such as Jenkins.
  • Experience with test frameworks such as Robot Framework or Cucumber.
  • Experience writing scripts using Python.
  • 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.


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 (EEO). 


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.