developer-apis enterprise-software telephony
Madrid, Spain

Senior Software Engineer - Media Server


Because you belong at Twilio

The Who, What, Why and Where

Twilio is looking for an expert C/C++ Senior Software Engineer who wants to design, develop, deploy and operate services across multiple teams to help deliver real-time, low latency capabilities for next generation communications. You will need to be able to think at scale, and meet high availability goals, bringing a focus on solving resiliency, latency and quality challenges in our virtualized cloud environment.


You should be passionate about building and operating highly resilient infrastructure that provides critical services for our customers.

  • Experience with complex distributed systems.
  • Production C/C++ experience.
  • CMake knowledge.
  • Comfortable with Python.
  • Experience working in the cloud, AWS, Google, Azure.
  • Bonus points for experience with: Modular Systems, Conan, WebRTC, Video or VoiP.
  • Bachelors in Computer Science or equivalent experience.


A great day for you would be working alongside a small but collaborative team, building modules on top of Twilio’s Media Server. In doing so, pushing production code for a product under active development with fast customer adoption and growth rate.

  • Design complex solutions to solve customers needs.
  • Develop and deliver entire product/feature epics.
  • Operate a highly resilient, real time systems.


The Media Server team enables builders to deliver and process media from our Programmable Voice and Video products. The Media Server team develops and operates a worldwide infrastructure and is a high growth product in the Twilio’s catalog.

Twilio is a company that is empowering the world’s developers with modern communication in order to build better applications.  This team is powering the company’s commitment to WebRTC, one of the newer product areas at Twilio.

Twilio is truly unique; we are a company committed to your growth, your learning, your development and your entire employee experience.  We only win when our employees succeed and we're dedicated to helping you develop your strengths. We invest in weeks dedicated to tackling hard problems and creating your own ideas. We have a cultural foundation built on diversity, inclusion and innovation and we want you and your ideas to thrive at Twilio. Come join us.  


This position will be located in our beautiful office at Paseo del Club Deportivo, 1, Edif. 17 in Pozuelo de Alarcón (Madrid). You will also get to experience a company that believes in small teams for maximum impact; that strives to balance work and home life, that understands that this is a marathon, not a sprint; that continuously and purposefully builds an inclusive culture where everyone is able to do and be the best version of themselves. We seek people who naturally demonstrate our values, who are challenged by problems, empower others to thrive, people who can draw the owl and not be beholden to one playbook.

About us:

Founded in 2008, Twilio has ~ 2,000 employees, with headquarters in San Francisco and other offices in Atlanta, Berlin, Bogotá, Dublin, Hong Kong, London, Madrid, Mountain View, Malmö, Munich, New York City,  Prague., Singapore, and Tallinn.

More than 2 million developers around the world have used Twilio to unlock the magic of communications to improve any human experience. Twilio has democratized communications channels like voice, text, chat, and video by virtualizing the world’s telecommunications infrastructure through APIs that are simple enough for any developer to use, yet robust enough to power the world’s most demanding applications. By making communications a part of every software developer's toolkit, Twilio is enabling innovators across every industry — from emerging leaders to the world’s largest organizations — to reinvent how companies engage with their customers.

Twilio is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal opportunity regardless of race, color, ancestry, religion, gender, gender identity, parental or pregnancy status, national origin, sexual orientation, age, citizenship, marital status, disability, or Veteran status and operate in compliance with the San Francisco Fair Chance Ordinance.

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