Job Description

Overview 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. See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer (L3) About the Role This position is needed to enable Segment customers to instrument high-quality, first-party data from their mobile apps, which drives their Analytics, Customer Engagement & overall decision making. Segment is Twilio’s Customer Data Platform (CDP) which standardizes and streamlines data infrastructure for Twilio customers. From startups to the Fortune 100, businesses of all sizes rely on the Segment Platform to collect data once, and then deliver across Segment’s catalog of hundreds of business integrations and thousands of customer data warehouses. Instrumentation - of web, mobile and server apps - is the most common gateway to getting this data into Segment. The Data Collection team builds software that brings more than 700BN events/month at greater than 1 Million requests per second into Segment’s cloud infrastructure. As a Senior Software Engineer on the Data Collection team, you’ll primarily be responsible for our Analytics SDK on the React-Native mobile platform. You’ll focus on maintaining and improving our existing SDK, analytics-react-native (and its catalog of integrations), as well as building out new technologies for future Segment features. Responsibilities In this role, you’ll: Architect platform-specific approaches to software Instrumentation and Enrichment, with a focus on our customers’ Developer Experience Implement, review and release updates to high-performance Segment libraries, to support our existing customers as they look to aggregate and analyze data at scale Collaborate with product owners and engineers across Segment to create new experiences for our customers, while maintaining consistency across our service offerings Interact with and strengthen relationships with Segment’s open source community 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: React-Native Expertise : 5+ years of engineering experience writing, building and distributing mobile apps for React-Native Strong understanding of RN architecture, component lifecycle, performance optimization and testing for multiple target platforms Experience with React Native upgrade cycles and cross-platform development (iOS/Android) Experience with native module development and competency with underlying native languages (esp. Swift & Kotlin) Understanding of NPM ecosystem and SDK release/management processes Software Engineering Excellence Detailed understanding of native mobile platforms, with a focus on performance, energy, and architecture paradigms SDK/library development experience - has shipped developer-facing tools used by external teams Systems integration experience with event-driven architectures and data pipelines Collaboration & Problem-solving Consultative approach to feature development - a desire to understand business context and user needs before proposing solutions Adaptable to evolving requirements and comfortable with iterative development cycles Strong technical communication skills for both technical and business stakeholders Constructive approach to technical discussions and code reviews Experience with web, mobile & server-side technologies. Willingness to learn and grow your skill set in new libraries & languages. Experience building and distributing native apps across Android and iOS platforms. Maintaining and contributing to open source projects. Experience with server-side technologies, including awareness of scalability and security Customer Data Platform (CDP) or Segment-specific knowledge including use-cases as well as experience implementing Analytics Location This role will be remote, but is not eligible to be hired in CA, CT, NJ, NY, PA, WA. This role will be remote, but is not eligible to be hired in San Francisco, CA, Oakland, CA, San Jose, CA, or the surrounding areas. 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 The estimated pay ranges for this role are as follows: $138,700.00 - $173,400.00 The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location. Application deadline information (required for ALL US jobs) Applications for this role will be accepted on an ongoing basis. 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. Equal Opportunity and EEO 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. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law. Voluntary Self-Identification Voluntary Self-Identification of Race & Ethnicity and Protected Veterans Status For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file. As set forth in Twilio’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. 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Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at How do you know if you have a disability? A disability is a condition that substantially limits one or more of your major life activities. If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to: Alcohol or other substance use disorder (not currently using drugs illegally) Blind or low vision Cancer (past or present) Cardiovascular or heart disease Celiac disease Cerebral palsy Deaf or serious difficulty hearing Diabetes Disfigurement Epilepsy or other seizure disorder Gastrointestinal disorders Mental health conditions Missing limbs or partially missing limbs Mobility impairment Nervous system condition Neurodivergence Partial or complete paralysis Pulmonary or respiratory conditions PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete. Disability Status * Select... Voluntary Self-Identification of Gender * Select... Voluntary Self-Identification of Race/Ethnicity * Select... 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