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Build the future of communications.
Principal Engineer
Location
California
Posted
48 days ago
Salary
$188.2K - $276.7K / year
Seniority
Lead
Job Description
Principal Engineer
Twilio
• Lead the architecture and long-term technical roadmap for the Phone Numbers Platform • Lead by example in using AI coding assistants (GitHub Copilot, Anthropic Claude, or internal LLMs) • Drive technical excellence across multiple teams, making critical architectural decisions • Partner with Product Managers to translate complex global telecommunications regulations and customer needs • Mentor and uplift senior and staff engineers • Identify and mitigate technical risks early • Communicate complex technical strategies to both executive leadership and engineering teams
Job Requirements
- 12+ 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).
- Architectural Mastery: Deep experience with cloud-native infrastructure (AWS preferred), microservices patterns, and designing "five-nines" (99.999%) resilient systems.
- AI-Native Workflow: Demonstrated experience using AI tools to significantly accelerate software delivery.
- API Excellence: A track record of building and maintaining high-volume public-facing APIs that focus on exceptional developer experience.
- Data Savvy: Experience with high-throughput data processing and storage solutions (SQL/NoSQL, Redis, Kafka, or Spark).
- Infrastructure as Code: Proficiency with Kubernetes, Terraform, and modern CI/CD paradigms.
- Leadership: Proven ability to influence technical strategy across multiple teams and organizational boundaries without direct authority.
Benefits
- Health care insurance
- 401(k) retirement account
- Paid sick time
- Paid personal time off
- Paid parental leave
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