Software Engineer (L4)

Twilio•,

4d•$171,120 - $226,440•Remote

About The Position

This position is needed to build and deliver Voice and Video functionalities to our customers through the Android SDKs. Programmable Voice and Video are few of Twilio’s foundational channels that empower our customers and internal product team to build delightful solutions. The features you deliver will be used by thousands of customers at scale, often as their business’ lifeline. Use cases range from contact centers to healthcare services, from warehouse staff to client advisors.

Requirements

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

Nice To Haves

Experience with ReSiprocate or other SIP stacks
Prior work on public-facing developer SDKs
Familiarity with supply chain security practices for mobile SDKs
Experience with Argo CD

Responsibilities

Own the Android SDK architecture, implementation, and long-term technical direction
Own the Android SDKs’ technical backlog and architectural roadmap
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