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TwilioTwilioSan Francisco, CA

Staff Software Engineer

Staff Software Engineer leading architecture and roadmap for Twilio's Phone Numbers and KYC/Compliance platform. Owns transition to modern microservices, leverages AI tools for development acceleration, and influences cross-team strategy for high-scale, regulated telecom systems.

171k – 252k/yr
Remote12+ YOEFullstack Engineering

About the role

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

  • 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).
  • 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.

Skills

JavaGoAWSAWS LambdaEKSDynamoDBKafkaKubernetesTerraformCI/CDMicroservicesLLMsai coding assistants
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