Senior Software Engineer

Twilio is shaping the future of communications with innovative solutions for businesses and developers worldwide. They are seeking a Senior Software Engineer to build and scale APIs for personalized customer experiences through their Audiences & Journeys products, collaborating closely with various teams to enhance system performance and developer velocity.

Responsibilities:

• Design and build robust, scalable backend systems and APIs that power audience & journey creation, segmentation, and activation across Segment’s data platform
• Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture
• Communicate technical decisions clearly - articulating trade-offs, customer impact, and team alignment
• Mentor junior engineers and contribute to a culture of technical excellence and continuous learning
• Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes
• Participate in an on-call rotation for our managed services

Requirements:

• 5-10 years experience writing production-grade code in a modern programming language
• Experience programming in one or more of the following: Go, Java, Python, or similar languages
• Experience operating large-scale, distributed systems on top of cloud infrastructure such as Amazon Web Services (AWS)
• Have hands-on experience with container orchestration frameworks (e.g. Kubernetes, EKS, ECS)
• Have experience with large scale async processing systems
• Experience shipping services (products) following CI/CD development paradigm
• Good grasp of software engineering and how to build a system in scalable and extensive manner
• Excellent written and verbal technical communication skills to convey complex technical concepts effectively
• Comfortable asking questions and taking initiative to solve problems where it is often necessary to 'draw the owl'