Principal Engineer
Principal Engineer leading technical strategy and architecture for Twilio's Compliance Experiences platform. Owns microservices roadmap, AI-augmented development workflows, and high-scale public APIs.
Responsibilities
- Lead the architecture and long-term technical roadmap, transitioning legacy systems into a modern, distributed microservices architecture that supports global scale.
- Lead by example in using AI coding assistants (GitHub Copilot, Anthropic Claude, or internal LLMs) to automate boilerplate, generate exhaustive test suites, and perform rapid prototyping.
- Drive technical excellence across multiple teams, making critical architectural decisions that balance rapid feature innovation with world-class reliability and security.
- Partner with Product Managers to translate complex global telecommunications regulations and customer needs into elegant, developer-first APIs and application workflows.
- Mentor and uplift senior and staff engineers. Foster a culture of technical curiosity, ownership, and continuous learning.
- Identify and mitigate technical risks early, ranging from scalability bottlenecks to security vulnerabilities and lead the team through complex production incidents with a focus on long-term remediation.
- Communicate complex technical strategies to both executive leadership and engineering teams through high-quality design documents, RFCs, and presentations.
Requirements
- 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, with deep knowledge of AWS ecosystems (Lambda, EKS, DynamoDB, Kafka).
- Deep experience with cloud-native infrastructure (AWS preferred), microservices patterns, and designing "five-nines" (99.999%) resilient systems.
- Demonstrated experience using AI tools to significantly accelerate software delivery.
- A track record of building and maintaining high-volume public-facing APIs that focus on exceptional developer experience.
- Experience with high-throughput data processing and storage solutions (SQL/NoSQL, Redis, Kafka, or Spark).
- Proficiency with Kubernetes, Terraform, and modern CI/CD paradigms.
- Proven ability to influence technical strategy across multiple teams and organizational boundaries without direct authority.
Nice-to-Haves
- Experience with telephony protocols, local number porting (LNP), or global regulatory compliance frameworks.
- Experience building "internal platforms" that enable other developer teams to move faster.
- Experience building or integrating AI agents into internal developer platforms or automated ops workflows.
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