[Remote] Software Engineer (L3)

Note: The job is a remote job and is open to candidates in USA. Twilio is a company shaping the future of communications with innovative solutions for businesses. They are seeking a Senior Software Engineer to scale Stytch’s core product and deliver secure identity experiences by building backend APIs and collaborating with product and engineering leadership.ResponsibilitiesBuild and own backend product capabilities for Stytch’s identity platform on Twilio—shipping new API surfaces and core authentication flows, including agentic and non-human identity use casesPartner with Product and Engineering leadership to set direction, translate customer needs into product capabilities, and deliver high-impact roadmap featuresCollaborate across Twilio and Stytch teams to align on architecture, integrate platform capabilities, and unblock cross-team initiativesOperate with deep technical ownership: author design docs, drive key technical decisions, review code, and stay close to the systems you shipBuild in ambiguity—break down complex problems, make pragmatic tradeoffs, and design developer experiences that delight our customersImprove production quality and resilience through strong observability, incident response and remediationMentor and support other engineers through pairing, feedback, and knowledge-sharing, helping raise the team’s technical bar and cultureSkills6+ years experience in designing, building and operating high-scale, mission critical cloud based production systemsFamiliarity with a production-grade code base in a modern programming language, applying best practice coding standards and writing high quality codeExtensive experience with RESTful API design and developmentBachelor's degree in Computer Science or related industry experienceExcellent written and verbal communication skillsSchedule: ability to work non-standard, on-call rotation weekend and holiday hoursFamiliarity with Go, TypeScript, and DynamoDBExperience building developer tools or SDKsExperience building and owning products consumed by paying customersBuilder at heart. Through a hobby or your profession, you are passionate about being hands on and seeing your work come to lifeBenefitsCompetitive payGenerous time offAmple parental and wellness leaveHealthcareA retirement savings programThis 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.Supporting their volunteering and donation effortsCompany OverviewTwilio is a cloud communication company that enables users to use standard web languages to build voice, VoIP, and SMS apps via a web API. It was founded in 2008, and is headquartered in San Francisco, California, USA, with a workforce of 5001-10000 employees. Its website is https://www.twilio.com/.Company H1B SponsorshipTwilio has a track record of offering H1B sponsorships, with 12 in 2026, 215 in 2025, 168 in 2024, 209 in 2023, 369 in 2022, 264 in 2021, 157 in 2020. Please note that this does not guarantee sponsorship for this specific role.