Twilio

Software Engineer L3

Twilio
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3 months ago
Remote, United StatesSenior
H1B sponsor

Base Salary

$139k - $204k/yr

Responsibilities

  • Architect and ship reliable, low-latency features for high-volume email traffic.
  • Develop, optimize, and modernize Go-based backend services and distributed systems.
  • Conduct code reviews and maintain high standards for unit, integration, and component testing.
  • Manage AWS and Azure cloud configurations using Terraform and improve observability through metrics, alerts, and distributed tracing.
  • Identify technical debt, bottlenecks, and single points of failure while driving platform refactoring.
  • Mentor junior engineers, lead technical sprint planning, and share expertise across distributed engineering teams.

Requirements

  • At least 4 years of professional software engineering experience building and operating resilient backend services at scale.
  • Hands-on production experience with Go, Java, or Python, including concurrent and idiomatic software development.
  • Experience deploying and managing production workloads in cloud environments, ideally across AWS and Microsoft Azure.
  • Proficiency with Terraform for infrastructure as code and environment automation.
  • Strong understanding of distributed datastores, caching layers, asynchronous event streaming, data structures, and self-healing cloud architectures.
  • Practical experience using AI-assisted development tools such as Claude Code for code generation, testing automation, or debugging.
  • Desired experience with Docker, Kubernetes, AWS Aurora migrations, OpenTelemetry, distributed tracing, network topology, proxy layers, or MTA protocols.

Benefits

  • Remote-first work arrangement, with occasional travel for project or team in-person meetings.
  • Healthcare insurance, retirement savings program with 401(k), paid sick time, paid personal time off, paid parental leave, wellness leave, and volunteering and donation support.
  • Remote hiring excludes California, Connecticut, New Jersey, New York, Pennsylvania, and Washington despite listed compensation jurisdictions.
Twilio

About Twilio

5,001-10,000 employees

Twilio builds a cloud customer-engagement platform centered on programmable communications APIs for SMS, voice, WhatsApp, email, and verification, plus Segment CDP and the Flex contact center. It sells usage-based and subscription SaaS to developers and enterprises to embed messaging, calling, authentication, and data-driven marketing into apps. Founded in 2008 and headquartered in San Francisco, Twilio is a public company listed on the NYSE.

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