Twilio

Principal Engineer

Twilio
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1 day ago
Remote, United StatesStaff+
H1B Sponsor

Base Salary

$188k - $277k/yr

Responsibilities

  • Lead the architecture and long-term technical roadmap for globally scaled Phone Numbers and KYC platforms.
  • Transition legacy systems into modern distributed services supporting millions of requests.
  • Use AI coding assistants and LLMs to accelerate code generation, testing, architectural reviews, debugging, and prototyping.
  • Drive technical excellence, reliability, security, scalability, and architectural decision-making across multiple teams.
  • Partner with Product Managers to translate telecommunications regulations and customer needs into developer-focused APIs and workflows.
  • Mentor senior and staff engineers and promote technical ownership and continuous learning.
  • Identify technical risks, lead complex production incidents, and drive long-term remediation.
  • Communicate technical strategies through 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 and deep knowledge of AWS ecosystems including Lambda, EKS, DynamoDB, and Kafka.
  • Deep experience with cloud-native infrastructure, microservices patterns, and five-nines resilient systems.
  • Demonstrated experience using AI tools and LLMs to accelerate software delivery, architectural brainstorming, debugging, and code synthesis.
  • Track record of building and maintaining high-volume public-facing APIs with strong developer experience.
  • Experience with high-throughput data processing and storage solutions including SQL/NoSQL, Redis, Kafka, or Spark.
  • Proficiency with Kubernetes, Terraform, and modern CI/CD paradigms.
  • Ability to influence technical strategy across multiple teams and organizational boundaries without direct authority.
  • Telecommunications experience with telephony protocols, local number porting, or global regulatory compliance is desired.
  • Experience building internal platforms or integrating AI agents into developer platforms or automated operations workflows is desired.

Benefits

  • Remote-first role open across the USA, with occasional travel for customer, project, team, or company meetings.
  • Benefits include healthcare, 401(k) retirement savings, paid sick time, personal time off, paid parental leave, wellness leave, and other location-dependent offerings.
  • May be eligible for equity and a corporate bonus plan.
  • Applications are intended to be accepted until July 30, 2026, subject to change based on business needs.
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