Because you belong at Twilio

The Who, What, Where and Why

Edge Infrastructure is a Platform organization responsible for the front door of all HTTP traffic at Twilio. Our edge infrastructure platform handles all API and web application traffic for Twilio. Our team is unique in that our services are used by Twilio customers and engineers alike.  If you are excited about joining a team focused on scale, edge infrastructure, and world-class web and API experiences, you may be a fantastic fit.

Are you willing to be a founding team member on a new Platform team in Madrid? Are you passionate about building low latency, high-reliability edge platform technologies that enable other engineers at Twilio? Are you able to think at scale and ensure your services are able to scale horizontally? 

If the answer is yes to any of these questions, we want to talk to you!  


Twilio is looking for an intelligent, creative, and inspired Technical Lead to join us on Edge Infrastructure.  We are seeking individuals with a demonstrated capacity to learn and adapt. Candidates should have demonstrated success working collaboratively to build highly reliable, low latency distributed backend systems. They should also have experience mentoring teammates to develop talented software engineers.

  • Experience in cloud architectures and complex distributed systems
  • Experience using caching technologies
  • Experience with load balancing and CDN technologies
  • Experience with DNS and SSL
  • Experience with Java development
  • Bonus points for evented architectures and technologies
  • Bachelors in Computer Science or equivalent experience is required


A great day for you would be working on a small collaborative engineering team, building services and tooling to enable Twilio engineers to surface their Twilio web applications and APIs safely, easily, and quickly.  As a Technical Lead on the Web Infrastructure team, you will be expected to:

  • Design, implement, and support micro-services at scale in a collaborative environment
  • Mentor junior engineers to grow professionally
  • Champion and implement operational best practices and serve on-call for the team’s services
  • Participate actively in sprint, weekly, and quarterly ceremonies 
  • Demonstrate quickness in learning and ability to teach constantly
  • Test rigorously and thoroughly
  • Communicate complex ideas simply through verbal and written communication


Edge Infrastructure is responsible for our all web traffic at Twilio.  As the front door for all web traffic, including API and Web console endpoints, our services have high uptime requirements and ambitious performance requirements. Twilio is comprised of 15+ autonomous empowered engineering teams that are startups responsible for a part of Twilio. Our team provides edge gateway services that serve every request to a Twilio web page, console application, and REST API.  It is extremely important for us to build reliable, available, performant services!

Twilio believes in the power of Platforms to create leverage and empower developers. Our internal platforms enable our own small teams of developers to stand on the shoulders of giants, enabling them to focus on making world-class services that delight our customers. 

Twilio is truly unique: We are a company committed to your development, your growth, and your entire employee experience. We only win when our employees succeed and we're dedicated to helping you develop your strengths. Because we believe in our engineering staff, we dedicate two weeks out of the year to internal hackathons, where folks can tackle any challenge they see fit.


This position is located out of our new Madrid, Spain office at Paseo de la Castellana, 77. 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:

Twilio's mission is to fuel the future of communications. Developers and businesses use Twilio to make communications relevant and contextual by embedding messaging, voice and video capabilities directly into their software applications. Founded in 2008, Twilio has over 650 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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