Senior Software Engineer

Details

• Design, build, and maintain large-scale backend services with a focus on reliability, availability, scalability, and performance.
• Lead technical design efforts and ensure architecture decisions are well-documented and future-proof.
• Collaborate closely with senior engineers, product managers, and cross-functional stakeholders.
• Champion high-quality engineering practices, including automated testing, maintainable code, and thorough documentation.
• Own and continuously improve Twilio’s developer experience for SDK customers.
• Support customers by troubleshooting issues and promoting backend and SDK best practices.
• Contribute to operational excellence by maintaining a high reliability bar and participating in incident response and system improvements.
• Bachelor’s/Master’s in Computer Science, Engineering, or related field.
• 5+ years of experience building and operating cloud-scale backend systems.
• Strong programming skills in backend languages such as Java or Scala.
• Experience authoring technical specifications and delivering end-to-end system designs.
• Strong fundamentals in concurrency and distributed systems.
• Experience working with AWS or other cloud platforms at scale.
• Proven ability to maintain a high operational excellence bar and mentor junior engineers on reliability and maintainability.
• Strong communication skills and the ability to thrive in collaborative, fast-moving teams.
• Excellent problem-solving and critical thinking skills.
• Any prior experience building SDKs and GraphQL BFF layer is an added advantage.
• Ability to establish backend engineering guidelines and represent the team within the broader Twilio engineering organization.
• Passion for delivering high-quality products and continuously learning new technologies.
• Strong sense of ownership and accountability.
• Comfortable navigating ambiguity and driving clarity in evolving environments.