developer-apis enterprise-software telephony
San Francisco, CA

Senior Software Engineer (Java)


Because you belong at Twilio

The Who, What, Where and Why


Twilio is looking for a Senior Software Engineer who wants to design, develop, deploy and operate services at scale to power the next generation communication products. You will work on Java services and applications with a focus on high availability and scale. You bring experience with complex distributed systems and Java production applications. You have expertise with data stores (MySQL, Cassandra, Kafka & Spark).


As a senior Software  engineer, you would be working alongside a collaborative team of engineers, building the Twilio's next generation products. In doing so, you will own, create and operate REST APIs, state machines, and Data Pipelines to power our products. As a Senior Engineer you will be responsible for building the infrastructure comprised of horizontally scalable Java services, high availability data stores, distributed queues and developer-facing APIs. You will mentor junior engineers on the team as well as part of the interview team on new positions to develop and grow the team.


Twilio’s mission is to fuel the future of communications. Twilio is the brain of the most advanced communication deployments. From major enterprises around the globe to multi-billion dollar software companies, Twilio powers the communication layer of their entire customer experience. We're looking for a strong Senior 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 will be located in our beautiful office at 375 Beale Street in San Francisco. You will enjoy our incredible perks: catered meals, snacks, game room, ergonomic desks, massages, Wednesday Night dinners, bi-weekly All Hands and more. 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.

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 and operate in compliance with the San Francisco Fair Chance Ordinance.

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