Senior Software Engineer at Twilio

This role is ideal for a seasoned backend engineer with at least 5 years of experience who thrives in cloud-scale environments. The team is looking for someone with a strong command of Java or Scala and a deep understanding of distributed systems and concurrency. If you have a passion for developer experience and enjoy building tools that other engineers rely on, this position offers a high-impact opportunity to shape a core SDK layer. Twilio is a remote-first organization, offering significant flexibility for residents in the United Kingdom. As a Senior Software Engineer, you will lead technical designs and mentor junior team members, providing a clear path for professional leadership growth. While the role is remote, you’ll stay connected through occasional travel for in-person team meetings and project kick-offs. **You might be a good fit if you...** * Have 5+ years of experience building and maintaining high-availability backend services. * Are proficient in Java or Scala and comfortable working within the AWS ecosystem. * Have an interest or experience in building SDKs and GraphQL layers. * Enjoy "owning" your code from initial design through to operational maintenance and incident response.