Senior Software Engineer – Small Cell, RAN (Spain)

Casa Systems, Inc.


Software Engineering

Job Location

Carrer dels Traginers, 14 Oficina 12B, Valencia, V

Tracking Code


Position Type


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 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.

Essential Duties & Responsibilities

  • 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.
READ:   [REMOTE] Senior Android Developer – Full-time


  • 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 to live Casa’s core values: fun work environment, innovation & risk taking; passion, dedication & perseverance; and honesty & loyalty.
  • 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).

  • Nivel de antigüedad


  • Tipo de empleo

    Jornada completa

  • Función laboral

    Control de calidad, Tecnología de la información y Ingeniería

  • Sectores

    Telecomunicaciones, Interconexión en red y Software

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