Software Engineer (L4)

At Twilio, we're shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

As a Software Engineer (L4) on our team, you will build and deliver Voice and Video functionalities to our customers through the Android SDKs. Programmable Voice and Video are foundational channels that empower our customers and internal product team to build delightful solutions.

Responsibilities:

• Own the Android SDK architecture, implementation, and long-term technical direction
• Lead development and maintenance of the Android Voice and Video SDKs, including the underlying WebRTC/ReSiprocate/C++ layer
• Drive build pipeline stability and participate in CI/CD migration efforts
• Define Android best practices and serve as the go-to resource for Android-specific guidance across the organization
• Collaborate with iOS, JavaScript, and React Native SDK teams to align on cross-platform convergence efforts
• Conduct thorough code reviews and hold the bar on quality, correctness, and test coverage
• Partner with product and platform leads to evaluate feasibility, estimate effort, and deliver on roadmap commitments
• Contribute to knowledge sharing and documentation to reduce single points of failure on the team
• Continuously adapt to the evolving Android ecosystem to maximize engineering efficiency
• Enhance automated tests with high-level code coverage
• Own Twilio's customer's developer experience
• Monitor and triage customer issues and Git repo issues
• Enhance Twilio Voice and Video Android reference apps

Qualifications:

• 10+ years of software engineering experience with a strong focus on Android development
• Deep expertise in Android ecosystem and SDK development, including knowledge of what Android developers expect from third-party SDKs
• Experience with real-time communication technologies (WebRTC, SIP, RTP) strongly preferred
• Proficiency in Java/Kotlin in addition to C++
• Familiarity with CI/CD systems (CircleCI, Buildkite, GitHub Actions) and mobile build pipelines
• Strong communication skills , able to clearly articulate technical decisions and trade-offs to both engineering and non-engineering audiences
• Demonstrated ability to work cross-functionally and influence without authority
• Experience mentoring engineers and contributing to a collaborative team culture
• Familiarity with Claude and Github Copilot

We offer competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. The estimated pay ranges for this role are:

• $171,120.00 - $192,510.00 (Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont, Washington D.C.)
• $181,200.00 - $203,850.00 (New York, New Jersey, Washington State, or California outside of the San Francisco Bay area)
• $201,280.00 - $226,440.00 (San Francisco Bay area, California)