Senior Software Engineer

Summary

Join Twilio as a Senior Software Engineer on the Segment Audiences team, contributing to a best-in-class customer data platform. You will design and build full-stack features for audience building and activation, collaborating with design, product, and engineering teams. Responsibilities include ensuring user-friendly interfaces, high performance, and system reliability. You will mentor junior engineers and contribute to a culture of technical excellence. The role requires experience building enterprise-ready web applications, backend coding, and familiarity with front-end technologies. The position is remote, with occasional travel.

Requirements

• 4+ years of work experience building enterprise-ready web applications
• 3+ years of experience writing production-grade backend code in a modern programming language (e.g., NodeJS, Golang, Python, Java, Scala, or similar)
• Familiarity with front-end technologies like JavaScript, TypeScript, React (or similar frameworks), and GraphQL
• Experience working with stakeholders at all levels - be able to dive into the nuts and bolts of how things work as needed
• Experience working with cloud-based infrastructure (AWS preferred)
• Collaborating with internal/external teams/engineers and fostering an inclusive environment, where all points of view are welcomed and encouraged
• Self drive - you take complete ownership of your tasks and champion efforts to get your tasks to completion
• Excellent written and spoken communication skills
• Degree in Computer Science or a related field, or equivalent work experience

Responsibilities

• Design and build user-friendly, scalable full-stack features that power Segment’s audience-building and activation experiences
• 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
• Support strategic initiatives that impact the broader Twilio Engage platform and engineering organization

Preferred Qualifications

• Bias to action, ability to iterate and ship rapidly
• Familiarity with Cloud Solutions, AWS, Kubernetes/EKS, CI/CD pipelines, Testing & Automation
• Experience contributing to architecture and design (architecture, design patterns, reliability and scaling) of new and current systems
• Ability - and excitement to - learn and own multiple domains of the platform (microservices, REST APIs, back-end services) from inception to deployment and maintenance, while making best-in-class technical decisions that impact the success of the company

Benefits

• Competitive pay
• Generous time off
• Ample parental and wellness leave
• Healthcare
• A retirement savings program
• Health care insurance
• 401(k) retirement account
• Paid sick time
• Paid personal time off
• Paid parental leave