Staff, Software Engineer (L4)

A Staff Engineer (L4) on Twilio’s Segment Data Pipelines team will design, build, and scale high‑throughput ingestion and processing systems that handle hundreds of thousands of data points per second. The role focuses on creating robust, highly available routing experiences, ensuring reliability, performance, and cost‑efficiency while querying petabytes of data for the customer data platform. Responsibilities include leading technical architecture, mentoring engineers, collaborating with product and engineering leads, and maintaining globally distributed, fault‑tolerant systems on cloud infrastructure.

Experience: 8+ years

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 8+ years of experience writing production‑grade code in a modern programming language.
• Hands‑on experience with high‑scale messaging/streaming systems (several thousand events/sec) and processing engines (1M+ events/sec).
• Strong theoretical fundamentals and hands‑on experience designing and implementing highly available and performant fault‑tolerant distributed systems.
• Experience programming in Go, Java, Scala, or similar languages.
• Well‑versed in concurrent programming, Linux systems, and networking concepts.
• Experience operating large‑scale distributed systems on AWS or GCP.
• Experience with message passing systems (Kafka, AWS Kinesis) and/or modern stream processing systems (Spark, Flink).
• Hands‑on experience with container orchestration frameworks (Kubernetes, EKS, ECS).
• Experience shipping services following CI/CD development paradigm.
• Deep understanding of architectural patterns of high‑scale web applications.