Senior Software Engineer (P3) - Twilio Segment

Join Twilio and help shape the future of communications from anywhere in the world! We are a remote-first company revolutionizing how businesses connect with their customers through innovative communication solutions. As a Senior Software Engineer on the Twilio Segment team, you will be instrumental in building and scaling systems that process massive amounts of data, empowering our customers to unlock the full potential of their data and create exceptional customer experiences.

About Twilio

At Twilio, we're dedicated to shaping the future of communications. Our remote-first culture fosters connection, global inclusion, and empowers millions of developers and hundreds of thousands of businesses worldwide. We leverage AI to enhance our hiring process, but every decision is made by our talented team.

About the Job

This role is critical for developing new features and capabilities within the Twilio Segment team. You will architect and build scalable systems capable of handling hundreds of thousands of data points per second, enabling customers to derive value from their data and activate it through Segment's powerful features. You'll work on high-scale ingestion and data processing systems, iterating quickly and writing high-quality code.

Responsibilities

• Design and deliver robust, high-scale routing experiences for Data Pipelines within 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.
• Clearly communicate technical decisions, 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 managed services, troubleshooting and improving system reliability, debugging issues, and refining operational tooling and processes.

Qualifications

Required:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Hands-on experience with high-scale messaging/streaming systems and processing engines (handling thousands of events per second).
• 5-7 years of 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 cloud infrastructure.
• Experience shipping services (products) using CI/CD development paradigms.
• Solid grasp of software engineering principles for building scalable and extensive systems.
• Proficiency in leveraging best-in-class development productivity practices, including AI tooling.
• Excellent communication, problem-solving, and operational excellence skills.

Desired:

• 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 modular, composable, and extensible way.
• Experience working in a geographically distributed team.

Location

This role is based in any of the permitted 5 India states: Delhi, Karnataka, Maharashtra, Telangana & Tamil Nadu.

Travel

Occasional travel may be required for project or team in-person meetings.

What We Offer

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

About You

Twilio thinks big. We seek colleagues who embody our values, take initiative, and are eager to learn and grow. We empower employees to make a positive impact through volunteering and donation support. If you're ready to unleash your potential, do your best work, and be your best self, apply now!