Staff, Software Engineer (L4) - Email

Who we are

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day.

As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.

We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!

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See yourself at Twilio Join the team as our next Staff, Software Engineer (L4) - Email Platform

Who we are

& why we’re hiring Twilio powers real-time business communications and data solutions that help companies and developers worldwide build better applications and customer experiences.

Although were headquartered in San Francisco, were on a journey to becoming a globally antiracist company that supports diversity, equity & inclusion wherever we do business. We employ thousands of Twilions worldwide, and were looking for more builders, creators, and visionaries to help fuel our growth momentum.

About the job

This position is needed to fulfill the critical role of a Software Engineer within Twilio Sendgrid, to be both hands-on in creating, deploying and managing highly available, very large scale distributed systems.

Our systems processed 12 billion emails on Black Friday 2025 and we continue to scale! You will be a key contributor in one or more of these areas - Redesigning backend services to improve scalability, strengthening service security to keep up with changing threats.

Delivering solutions that enhance the customer journey and developing new product offerings that provide actionable insights into the health of customers’ email programs.

Responsibilities In this role, you’ll