Senior Software Engineer (L3)

See yourself at Twilio:

Join the team as our next Senior Software Engineer (L3) on Twilio's Segment, Data Platform/Pipelines team.

This position is needed to build new features and capabilities in the Twilio Segment Data Platform/Pipelines team.

As a Senior Software Engineer on this team, you'll build and scale systems that process several hundred thousands of data points per second. Helping our customers unlock value of their data from external systems and activate it to various destinations via Segment capabilities. You will work on high-scale ingestion and data processing systems.

We iterate quickly on these products and features and learn new things daily - all while writing quality code. We work closely with product and design and solve some of the toughest engineering problems to unlock new possibilities for our customers. If you get excited by building products with high customer impact - this is the place for you.

Responsibilities:

• Design and deliver robust, high-scale routing experiences for Data Pipelines for Twilio Segment.
• Operate always-available, complex distributed systems in cloud environments.
• Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture.
• Communicate technical decisions clearly - articulating trade-offs, customer impact, and team alignment.
• Mentor junior engineers and contribute to a culture of technical excellence and continuous learning.
• Participate in an on-call rotation for our managed services. Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes.

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:

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• Hands-on experience with high-scale messaging/streaming systems and processing engines (several thousand events/sec).
• 5-7 years experience writing production-grade code in a modern programming language.
• Proficient programming experience in Go, Java, Python or similar object-oriented languages.
• Experience operating large-scale, distributed systems on top of cloud infrastructure.
• Experience shipping services (products) following CI/CD development paradigm.
• Good grasp of software engineering and how to build a system in scalable and extensive manner;
• Leverage best-in-class development productivity practices including AI tooling.
• Excellent communication, problem-solving, and operational excellence skills

Desired:

• Have hands-on experience with container orchestration frameworks (e.g. Kubernetes, EKS, ECS)
• Technical depth in distributed systems, high-scale ingestion, and cloud-native architecture.
• Proficiency with datastores, distributed caching, and container technologies (Docker/Kubernetes).
• Experience with modern CI/CD pipelines and observability tools (Datadog, Grafana, Prometheus).
• Familiarity with AI/ML technologies.
• Excellent abilities in high level service design -- modeling interfaces and internals in a properly modular, composable, and extensible way.
• Experience working in a geographically distributed team.

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.

Skills

CI / CD, Cloud, Distributed, Go, Java, Python