Twilio · 4 hours ago
Senior Software Engineer - Identity & Security Products
United States
Full-time
Remote
Mid, Senior Level
$139K/yr - $173K/yr
4+ years expTwilio is a company shaping the future of communications, delivering innovative solutions to businesses and developers worldwide. They are seeking a Senior Software Engineer for Identity & Security Products to design and build identity solutions that protect millions of users globally.
Enterprise SoftwareMessagingMobile AppsSMSSoftware
Responsibilities
Drive technical excellence by designing, implementing, and optimizing highly scalable distributed systems and full-stack features that power Twilio's Identity and Security products
Collaborate with cross-functional teams including product, design, and infrastructure to deliver customer-focused solutions
Improve the reliability, scalability, and efficiency of Twilio's Identity and Security’s systems
Drive best practices in software engineering, including code reviews, testing, and deployment processes
Contribute to architectural discussions and technical roadmaps
Communicate technical decisions clearly by articulating trade-offs, customer impact, and ensuring team alignment
Drive operational excellence by prioritizing observability, reliability, security and performance in all deliverables
Mentor junior engineers, fostering a culture of technical excellence, ownership, and continuous learning
Qualification
Required
4+ years of experience writing production-grade backend code in a modern programming language (e.g., Java, Golang, Python, or similar) with a focus on security, reliability, and performance
Familiarity with front-end technologies like JavaScript, TypeScript, and React (or similar frameworks)
Strong fundamentals in distributed systems, event-driven and cellular architectures, and database design
Deep understanding of software engineering best practices, including monitoring, observability, and building maintainable systems
Experience working with AWS cloud-based infrastructure, CI/CD pipelines, testing, and automation
Well-versed in designing and building high-scale, low-latency services/APIs
Strong debugging and troubleshooting skills for complex distributed applications
Effective communication skills and ability to collaborate in a fast-paced team environment
Experience working with stakeholders at all levels, with the ability to thoroughly understand the details and mechanics of how things work as needed
Degree in Computer Science or related field, or equivalent work experience
Preferred
Experience with identity and access management, authentication protocols, and security architecture
Familiarity with modern verification techniques including SMS/voice verification, biometrics, and TOTP
Experience with fraud detection and prevention systems
Background in developing APIs with a focus on developer experience
Experience with on-call support for mission-critical customer systems
Experience working in a geographically distributed team
Benefits
Competitive pay
Generous time off
Ample parental and wellness leave
Healthcare
A retirement savings program
Health care insurance
401(k) retirement account
Paid sick time
Paid personal time off
Paid parental leave
Company
Twilio
Twilio is a cloud communication company that enables users to use standard web languages to build voice, VoIP, and SMS apps via a web API.
5001-10000 employees
H1B Sponsorship
Twilio has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (215)
2024 (168)
2023 (209)
2022 (369)
2021 (264)
2020 (157)
Funding
Current Stage
Public CompanyTotal Funding
$614.42MKey Investors
Founders Circle CapitalBessemer Venture PartnersUnion Square Ventures
2021-07-28Post Ipo Equity· $378.22M
2017-03-08Post Ipo Equity
2016-08-01Post Ipo Equity
Leadership Team
Khozema Shipchandler
Chief Executive Officer
Aidan Viggiano
Chief Financial Officer
Recent News
2025-12-29
2025-12-24
2025-12-18
Company data provided by crunchbase