Twilio is a company dedicated to shaping the future of communications through innovative solutions. They are seeking a Fullstack Software Engineer to develop the onboarding and integration experience for their Stytch product, focusing on delivering secure identity experiences for customers.
Responsibilities:
- Design, build and own the onboarding and integration experience for our customers, including intuitive, reliable SDK APIs that make our product easy to adopt for developers
- Partner closely with Product, Design, and Engineering leadership to shape the team’s roadmap, prioritize high-impact work, and deliver features that unlock customer value quickly
- Build in ambiguity: break down complex authentication and identity problems, make pragmatic tradeoffs, and deliver incremental milestones to production
- Raise the bar for the quality of the products you work on through testing, versioning, documentation, backward compatibility, and smooth migration paths
- Improve performance, reliability, and security of client-side flows, especially those on customers’ critical paths
- Mentor and support other engineers through pairing, feedback, and knowledge-sharing, helping raise the team’s technical bar and culture
Requirements:
- 3+ years of experience as a fullstack engineer delivering customer-facing web products in production using modern frontend technologies (Next.js experience is a must)
- Experience developing and maintaining complex web applications and/or public-facing web SDKs
- Experience building developer-first APIs and tools, with a focus on integration experience
- Proven ability to ship high-quality, reliable software that runs across browsers and environments
- Excellent written and verbal communication skills; comfortable writing design docs and leading technical discussions
- Bachelor's degree in Computer Science or equivalent practical experience
- Schedule: ability to work non-standard, on-call rotation weekend and holiday hours
- Experience owning or contributing to open-source libraries or SDKs
- Familiarity with authentication, identity, security, or fraud-adjacent client-side flows
- Experience supporting public SDKs: release automation, semantic versioning, deprecations, and long-term maintenance
- Interest in emerging identity patterns, including agentic/non-human identity and new auth workflows