Principal Engineer

Overview

Principal Engineer on Twilio’s Compliance Experiences team, owning technical strategy for a platform that processes millions of requests across Phone Numbers and Compliance (KYC).

What you'll do

• Lead architecture and the long-term technical roadmap, transitioning legacy systems to modern distributed microservices.
• Use AI coding assistants to automate boilerplate, generate test suites, and prototype rapidly.
• Drive technical excellence across multiple teams by making architectural decisions balancing innovation, reliability, and security.
• Partner with Product Managers to translate global telecom regulations and customer needs into developer-first APIs and workflows.
• Mentor senior and staff engineers and foster technical curiosity, ownership, and continuous learning.
• Identify and mitigate technical risks early and lead teams through complex production incidents for long-term remediation.
• Communicate technical strategies via design documents, RFCs, and presentations to executives and engineering teams.

What you'll need

• 16+ years of experience designing and developing highly available, high-scale, secure, mission-critical cloud native enterprise distributed systems.
• Expert proficiency in Java or Go.
• Deep knowledge of AWS ecosystems (Lambda, EKS, DynamoDB, Kafka).
• Deep experience with cloud-native infrastructure and microservices patterns, including designing 99.999% resilient systems.
• Demonstrated experience using AI tools to significantly accelerate software delivery using LLMs for architecture brainstorming, debugging, and code synthesis.
• A track record building and maintaining high-volume public-facing APIs with exceptional developer experience.
• Proficiency with Kubernetes, Terraform, and modern CI/CD paradigms.

Details

• Work mode: remote across the USA, with occasional travel for in-person meetings.
• Employment level: Principal Engineer (P5).