Principal Presales Engineer

Required

• Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!
• 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).
• 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. You should be comfortable discussing how you use LLMs for architectural brainstorming, debugging, and code synthesis.
• 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.
• Telecom Domain Expertise: Experience with telephony protocols, local number porting (LNP), or global regulatory compliance frameworks.
• Platform Thinking: Experience building "internal platforms" that enable other developer teams to move faster.
• Agentic Systems: Experience building or integrating AI agents into internal developer platforms or automated ops workflows.