Because you belong at Twilio

The Who, What, Why and Where

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 Twilio’s Super Network. In this role as a part of Super Network Health team, you will be building the next-generation platform for detecting performance issues in Twilio’s carrier network. The Super Network Health team is responsible for the resiliency of Super Network carrier connections. You will make key technical decisions and modeling choices and as well as writing amazing code. You’ll apply machine learning, data science tools based on the problem presented to you.


Twilio is looking for an experienced Machine Learning Engineer with following experience:

  • You bring deep experience in machine learning and complex distributed systems and are comfortable with production systems.
  • Hands-on experience with building machine learning pipelines and applications.
  • Passionate about working with data at scale. You love to learn and constantly investigate new techniques and methodologies.
  • You’ll be getting your hands dirty with data, so you should have extensive Unix skills and data mining skills. You’ve written a MapReduce job, queried MySQL, worked with Spark or extracted data from S3.
  • Enthusiasm for working in a high profile, fast-paced startup culture. We ship products on a daily basis, with tight schedules, small teams, and a very large user base.
  • Passionate. Persistent. Creative. You have an ability to drive towards actionable results. You find clever ways around problems, or just plow through them. When you don’t know it, you figure it out. You are a self-starter and you get things done -- you are a DOer.
  • Masters in quantitative field or relevant industry experience.


As a Senior Machine Learning Engineer, you will be working alongside a collaborative team of engineers and data scientists 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 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.

Twilio’s Super Network team is responsible for providing and managing the telco connectivity and services that power the Programmable Communications Cloud and Engagement Cloud products. We do this by ensuring the network remains healthy, provides the coverage and capabilities customers require and is operating in a cost-efficient manner.

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 new beautiful and well designed office at Veerenni 38 in Tallinn. You will enjoy our incredible perks: monthly breakfast, twice a week lunch, dinner during our bi-weekly global All Hands and a fully-stocked kitchen with a variety of snacks and beverages. We have many team building events weekly, monthly and of course annual summer days. 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, 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. Do you want to experience all of this with the best people? Join Twilio Tallinn team!

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 2,000 employees, with headquarters in San Francisco and other offices in Bogotá, Dublin, Hong Kong, London, Madrid, Mountain View, Munich, New York City, 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 and operate in compliance with the San Francisco Fair Chance Ordinance.

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