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Senior Machine Learning Engineer in Madrid


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Job Description

Because you belong at Twilio

The Who, What, Where and Why


Twilio is looking for a Senior Machine Learning Engineer who wants to design, develop, deploy and operate Machine Learning services and algorithms at scale to power the next generation of ML-powered communication products.

  • You will work on natural language processing and understanding, dialog management, and training pipelines with a focus on high availability and scale.
  • You bring deep experience in machine learning and complex distributed systems, and are comfortable with production systems.
  • You have an in-depth understanding of the algorithmic side of machine learning, as well as proven experience with language understanding systems and constituent components, such as word sense disambiguation, entity recognition, and parsing.
  • You have expertise with ML and NLP tools (TensorFlow, spaCy, scikit-learn) and you are comfortable interfacing with data pipelines and data stores such as MySQL, DynamoDB, and Kafka.
  • You engage with the machine learning community and understand how advances to the state-of-the-art can power products.


As a Senior Machine Learning Engineer, you will be working alongside a collaborative team of engineers building Twilio's next generation machine learning products. In doing so, you will create, own and operate machine learning algorithms, as well as the REST APIs, microservices and data pipelines that help us power products with machine learning. As we develop and grow the team, you will mentor junior engineers on the team as well as be part of the interview team on new positions.


Twilio’s mission is to fuel the future of communications. Machine learning is at the core of Twilio’s most advanced communication deployments. From individual developers to major enterprises around the globe and multi-billion dollar software companies, Twilio powers the natural language understanding and dialog management of their entire customer experience. We're looking for strong Senior Machine Learning Engineers to join our team and help us rapidly scale the system to the next level while maintaining a highly available mission-critical service.

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 is located out of our Madrid, Spain office. You should expect the normal perks: catered meals, snacks, ergonomic desks, etc. What you will also get to experience is a company that believes in small teams for maximum impact; that strives to balance work and home life, we know this is a marathon not a sprint; that builds an inclusive culture where we want all of our people to be comfortable and thrive. 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:

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. Founded in 2008, Twilio has over 1,000 employees, with headquarters in San Francisco and other offices in Berlin, Bogotá, Dublin, Hong Kong, London, Madrid, Mountain View, Munich, New York City, Prague, Singapore and Tallinn.

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.


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