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Twilio Logo

Senior Software Engineer - L3

Twilio

$138,700 - $203,900
Oct 23, 2025
Remote, US
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Twilio is looking to evolve the next generation of their audience management platform by scaling a complex front-end architecture while delivering new, user-friendly features.

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).
  • 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.

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.

Other

  • 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.
  • Bias to action, ability to iterate and ship rapidly.