Principal Engineer
Core
Lead the technical strategy for Twilio's Compliance Experiences team, owning the Phone Numbers and KYC platform to process millions of requests while integrating AI-driven workflows.
Role type
Principal Engineer (P5)
Builds
High-scale, compliant communication APIs and internal developer platforms for global telecom services.
Domain
Telecommunications, Regulatory Compliance (KYC), Cloud Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Distributed systems architecture, Java or Go, AWS ecosystem, Microservices patterns, AI/LLM integration, API design, High-throughput data processing, Infrastructure as Code, Technical leadership
Preferred skills
Telephony protocols, Local number porting (LNP), Global regulatory compliance, Internal platform building, Agentic systems
Technologies
Java, Go, AWS (Lambda, EKS, DynamoDB, Kafka), Kubernetes, Terraform, GitHub Copilot, Anthropic Claude
Responsibilities
Define long-term technical roadmap and transition legacy systems to modern microservices, Lead adoption of AI coding assistants for automation and prototyping, Drive architectural decisions balancing innovation with reliability, Partner with Product Managers to translate regulations into developer-first APIs, Mentor senior and staff engineers on AI-augmented workflows, Mitigate technical risks and lead production incident remediation, Communicate technical strategies to executive leadership and engineering teams
Seniority
Principal, strategy & mentorship