Twilio
Software Engineer (L2), Identity
About this role
Twilio is seeking an L2 Software Engineer to build and scale Stytch's identity platform, developing backend systems for authentication, authorization, and emerging identity use cases. You'll operate with high ownership in a startup-like environment within Twilio, shipping customer-facing features and evolving the platform to handle Twilio's scale.
What you'll do
- Design and build backend capabilities for Stytch's identity platform, including new API surfaces and authentication flows for agentic and non-human identity
- Partner with Product and Engineering leadership to translate customer needs into product features and execute on high-impact roadmap items
- Collaborate across Twilio and Stytch teams on architecture alignment, platform integration, and cross-team initiatives
- Exercise deep technical ownership: author design documents, drive key technical decisions, conduct code reviews, and maintain close connection to shipped systems
- Solve complex problems with pragmatic tradeoffs and build developer experiences that meet customer needs
- Enhance production quality through observability, incident response, and mentoring other engineers
What they're looking for
- Designing and operating high-scale, mission-critical cloud production systems
- RESTful API design and development
- Production-grade code in modern programming languages
- Go, TypeScript, and DynamoDB (desired)
- Developer tools and SDK development (desired)
- Product development for paying customers (desired)
- Technical documentation and design reviews
- On-call incident response and system resilience
Opens the application — the Jobs AI extension fills it for you. Set up autofill
Opens the official application on the employer’s site. No login required.
Twilio
Twilio builds communication and identity infrastructure platforms including voice, email, and authentication services, enabling enterprises to integrate reliable messaging and identity solutions at scale. The company is hiring software engineers, forward-deployed engineers, and senior engineers to develop scalable backend systems, design cloud infrastructure, implement AI-powered features, and partner with customers on production deployments.
- Website
- twilio.com
Likely interview questions
- Walk us through a time you designed a high-scale production system from scratch—what tradeoffs did you make and why?
- Describe your experience building or maintaining RESTful APIs at scale. How did you approach versioning and backward compatibility?