Software Engineer, (L2) Audiences & Journeys

Twilio is a company shaping the future of communications with innovative solutions for businesses and developers. They are seeking a Software Engineer to build and scale APIs that enhance personalized customer experiences through their Audiences & Journeys products, while collaborating with cross-functional teams to drive system-level improvements. 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 Qualifications: 2 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'; Leverage best-in-class development productivity practices including AI tooling Required Skills: Programming - Go, Programming - Java, Programming - Python, Distributed systems, Cloud infrastructure - AWS, Container orchestration - Kubernetes, Container orchestration - EKS, Container orchestration - ECS, Asynchronous processing systems, CI/CD development paradigm, Software engineering - scalable systems, AI tooling, Technical communication, Initiative