Twilio Inc.

Senior Software Engineer - Programmable Messaging

Cloud Engineer in San Francisco, CA

Posted 2019-02-28

Because you belong at Twilio

The Who, What, Why and Where

We are looking for an experienced Senior Software Engineer who is excited to build the future of Twilio’s Programmable Messaging. As an engineer of a core product at Twilio, this role must expertly balance operations, scale, and innovation on business critical systems.


Twilio is looking for a senior engineer with deep experience in distributed systems and highly scalable cloud topologies. The ideal engineer would possess many of the following skills:

Demonstrated versatility to apply previous learning paired with an eagerness to learn.
Experience operating and designing scalable data persistency layers.
Ability to design horizontally-scalable resilient systems and engineer high availability for common single points of failure.
Proficiency in cloud technologies and hands-on experience in at least one cloud platform: GCC, AWS, or Azure. Experience in modern systems development languages, such as Scala, Java, Rust, Go, etc.
A desire to mentor and teach to ensure the success of others and the team.
Ability to design secure distributed systems and assure operational processes around security.
Additionally, you have 5+ years of practical experience in building high scale, mission critical systems and you have experience leading technical projects.

Bachelors degree or equivalent experience required.


As a Senior Engineer on the Programmable Messaging team , you will:

Be part of a small, high-impact and multi-talented engineering team
Develop low latency, highly available, globally distributed services to support the Programmable Messaging product
Develop, deploy, monitor, and operate systems in a continuous DevOps model
Develop proof of concepts, shared libraries and services that will be used across the product engineering organization.
Research and choose technologies, design system architecture and model data in a scalable and efficient way.
Excel as an engineer and be a productive member of the team where leadership is a behavioral trait, not a title.

The Programmable Messaging team build products that enable text message communication to reach hundreds of millions of people every day. You will be presented with countless growth opportunities as you help build a messaging platform that solves the communication problems of today and the future.

Twilio is a company that is empowering the world’s developers with modern communication in order to build better applications. 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.


This position will be located in our office at 375 Beale Street in San Francisco. You will enjoy our office perks: catered meals, snacks, game room, ergonomic desks, massages, Wednesday 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; seeks well-rounded talent to ensure a full perspective on our customers’ experience, 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.

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Company summary

Twilio, the developer platform for communications, is reinventing telecom by merging the worlds of cloud computing, web services, and telecommunications.


Generous vacation time; $20/month for daily bike ride; Zipcar perks; catered lunch, family dinners, fully stocked kitchen; gym stipends; 6-month apprenticeship program for people with non-traditional tech backgrounds.

Tech Stack

Java, Python, Golang, C, C++, React, Angular, IAAS platforms (AWS, Azure, OpenStack, Google Compute), .NET

Interview process

Recruiter screen; 1-2 rounds of phone screens with hiring managers; onsite interview (5 hours, meet with 4-5 people); founders very involved in recruiting process; in between those rounds: put together a 60-90 day plan and participate in a coding challenge administered by a member of the engineering team.

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