✦ Luna Orbit — Software Engineering

Software Engineer L3 Phone Numbers

at Twilio

📍 Remote - US Remote Posted April 01, 2026
Type Full-Time
Experience senior
Exp. Years 3+ years
Education Not specified
Category Software Engineering

Twilio is seeking a Senior Software Engineer L3 for Phone Numbers to build and maintain scalable backend systems and compliance workflows for Twilio's Phone Numbers product.

  • Build and maintain multiple compliance program workflows; Design and develop scalable web services and APIs; Integrate with carriers and ecosystem partners; Collaborate cross-functionally within Twilio to align product and architecture; Write well-tested code and maintain cloud services

Java/JVM backend development, web services, external systems integration, scalable APIs, distributed systems, cloud services, data pipelines.

The ideal candidate is a senior software engineer with 3+ years of JVM-based backend experience, strong web services and distributed systems skills, and experience integrating external systems. They should be comfortable working on cloud services and maintaining scalable APIs in a remote environment.

3+ years of experienceJVM languagesweb servicesexternal systems integrationhighly scalable APIs
carrier/ecosystem integrationscompliance programs
JVM languagesJavaweb servicesexternal systems integrationhighly scalable APIshigh volume data pipelinesdistributed systemscloud servicesdefensive codingscalable APIscloud services
JVM languagesJavaweb servicesexternal systems integrationdefensive codingwell-tested codedownstream issues mitigationhighly scalable APIshigh volume data pipelinesdistributed systemsMaintaining and operating cloud services
communicationcollaborationproblem-solvingattention to detailability to write down and present designs
Industry SaaS
Job Function Develop backend APIs and compliance workflows for Twilio's Phone Numbers product.
Role Subtype Backend Engineer
software engineerl3phone numberstwilioremotejvm languagesjavaweb servicesexternal systems integrationdefensive codinghighly scalable APIshigh volume data pipelinesdistributed systemscloud serviceson-call rotationarchitecturedesign decisionscommunicationcollaboration
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