Software Engineer (L4)

Who we are

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.

Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you're part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we're acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.

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Hiring and how we work :

We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!

Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings.

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See yourself at Twilio

Join the team as Twilio's next Voice and Video Android SDK Staff Engineer.

About the job

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

Responsibilities

In this role, you'll:

• 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

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• 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

Desired:

• 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

Location

This role will be remote, but is not eligible to be hired in CA, CT, NJ, NY, PA, WA.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation

*Please note the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements. Compensation for candidates in other locations will be discussed during the hiring process. Please note that hiring for this role is not restricted to the locations listed above.

The estimated pay ranges for this role are as follows:

• Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $171,120.00 - $192,510.00.
• Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $181,200.00 - $203,850.00.
• Based in the San Francisco Bay area, California: $201,280.00-226,440.00.
• This role may be eligible to participate in Twilio's equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

The successful candidate's starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

Applications for this role are intended to be accepted until 10/31/2026, but may change based on business needs.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values -- something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

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Stay alert to recruitment fraud

We care about your safety. Scammers sometimes impersonate Twilio recruiters through fake job postings, emails, websites, or messages. Please ensure you are engaging with an official @twilio.com email address. We will never ask for payment, gift cards, cryptocurrency, or banking information during the recruiting process. We do not make job offers without a formal interview process or conduct interviews exclusively through text-based messaging apps.

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Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.