Senior Software Engineer (L3)

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.

See yourself at Twilio

Join the team as our next Senior Backend Engineer on Twilio’s Segment Engineering teams

About the job

As a Senior Backend Engineer on the Twilio Engineering team, you’ll help us build and scale systems that support the leading Customer Data Platform (CDP) in a rapidly evolving and competitive market. Our products process billions of data points per hour, enabling customers to orchestrate and activate their data efficiently and flexibly.

Twilio CDP provides a best-in-class data infrastructure and orchestration platform that supports a wide range of customer use cases, from identity resolution to real-time audience segmentation. As an engineer, you will be responsible for designing, developing, and optimizing backend services that power data pipelines, APIs, and event-driven architectures.

If you thrive in fast-moving environments, enjoy working on scalable systems, and are passionate about building high-performance backend services, this role is for you.

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Responsibilities

In this role, you’ll:

• Design, develop, and maintain backend services that power Twilio Segment’s high scale data platform.
• Build scalable and high-performance APIs and data pipelines to support customer data orchestration.
• Improve the reliability, scalability, and efficiency of Segment’s backend systems.
• Collaborate with cross-functional teams including product, design, and infrastructure to deliver customer-focused solutions.
• Drive best practices in software engineering, including code reviews, testing, and deployment processes.
• Ensure high operational excellence by monitoring, troubleshooting, and maintaining always-on cloud services.
• Contribute to architectural discussions and technical roadmaps that align with Twilio’s CXaaS vision and Segment’s strategic initiatives.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 4+ years of experience writing production-grade backend code in a modern programming language (e.g., Golang, Python, Java, Scala, or similar).
• Strong fundamentals in distributed systems, event-driven architectures, and database design.
• Experience working with AWS cloud-based infrastructure.
• Well-versed in designing and building high-scale, low-latency services/APIs.
• Solid grasp of Linux systems and networking concepts.
• Strong debugging and troubleshooting skills for complex distributed applications.
• Effective communication skills and ability to collaborate in a fast-paced team environment.
• Comfortable with ambiguity and problem-solving in a rapidly growing company.

Desired:

• Experience working with event streaming technologies (Kafka, SQS, or similar).
• Experience with database technologies like DynamoDB, PostgreSQL, or Databricks SQL.
• Familiarity with containerization and orchestration tools (Docker, Kubernetes).
• Background in building multi-tenant SaaS platforms at scale.
• Experience working with observability tools such as Prometheus, Grafana, or Datadog.
• Experience working in a geographically distributed team

Location

This role will be remote and based in the U.S.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation

*Please note this role is open to candidates outside of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State. The information below is provided for candidates hired in those locations only.

The estimated pay ranges for this role are as follows:

• Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $163,100.00 - $203,900.00.
• Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $146,800.00 - $183,600.00.
• Based in the San Francisco Bay area, California: $138,700.00 - $156,050.00.
• This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

Applications for this role are intended to be accepted until May 30th, 2025, but may change based on business needs.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

Twilio is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at [email protected].