Twilio
developer-apis enterprise-software telephony
Mountain View, CA

Principal Software Engineer (Data Services) - Programmable Voice

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About the job:

Twilio's Cloud Communication Platform makes communications easy and powerful. With Programmable Voice, builders can create unique communication experiences to make, receive and control voice interactions around the globe.  The Programmable Voice team develops and operates the worldwide infrastructure for call processing, conference, voice media, recordings, and transcriptions.

As a Principal Engineer in Programmable Voice, you will design, develop, deploy and operate the Inflight data services to deliver real-time, highly available, low latency capabilities for next generation internet and on-demand app communications.  You will ensure continuous operation at scale to meet high availability goals, focusing on solving resiliency, latency and quality challenges in our virtualized cloud environment.

 Responsibilities:

  • Develop and operate Programmable Voice inflight data services based on Twilio standard procedures and guidelines, towards 24x7 availability, with high performance, scalable and zero downtime releases in AWS environment.
  • Collaborate with Peers, Product Managers, Architects and Engineering leaders to define, architect and build new customer-facing features.
  • Employ Agile methodologies to continuously deliver value to customers.
  • Drive quality by writing unit, functional, load, performance and resiliency tests.
  • Release, monitor, and maintain features in a responsible, reliable way as part of our integrated DevOps practices.
  • Leadership is a behavioral trait, not a title, including leading architecture, design and code reviews as well as mentoring other engineers.

Requirements:

  • Extensive database operational experience at scale with SQL data technologies (one of Mysql, Postgres, Oracle) in a highly-available, uptime-critical production environment, where scalability is measured in thousands of requests per second per host.
  • Extensive experience building complex distributed systems across concerns of reliability, high-availability, performance, scalability, capacity planning, business continuity and automation.
  • Experience developing, deploying and scaling data services on production systems in Java, including direct experience with load balancing, sharding, and failover concerns.
  • Experience with scalable data pipeline, preferably with Kafka, Kinesis, Spark is a plus.
  • Experience with cloud services based on Amazon Web Services or similar is a plus
  • Understanding real-time communications technologies is a plus
  • If you are not experienced in communications, no worries, you can learn.  We are seeking engineers who have solved complex problems at scale and have the aptitude to navigate uncharted waters.

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. #LI-POST

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