Twilio Inc. logo

Staff Software Engineer - LLM / AI Agents

Job Overview

Location

Remote - US

Job Type

Full-time

Category

Software Engineering

Date Posted

April 14, 2026

Full Job Description

đź“‹ Description

  • • As a Staff Software Engineer on Twilio Stytch’s Agent team, you will be a foundational member building the future of agent identity, enabling secure, developer-first authentication and verification for AI developers and users globally.
  • • You will design, implement, and maintain scalable, reliable distributed services focused on security, latency, and developer experience, while owning the end-to-end lifecycle of new services from prototyping to production deployment and mentoring engineers to foster technical excellence.
  • • You’ll partner with product and engineering leadership to set technical direction, translate customer needs into roadmap features, and collaborate across Twilio and Stytch teams to align architecture and unblock initiatives in a high-ownership, startup-speed environment backed by Twilio’s scale.
  • • In this role, you’ll grow as a technical leader by shaping foundational identity platforms, influencing stakeholders, staying ahead of emerging threats in agentic and non-human identity, and advancing your expertise in scalable systems, security architecture, and developer experience.

🎯 Requirements

  • • 7+ years of experience building and operating highly scalable, distributed systems with a focus on security, reliability, and performance.
  • • Experience working with agents and/or LLMs.
  • • Strong hands-on coding skills and a willingness to dive deep to solve complex problems.
  • • Demonstrated expertise in designing and implementing resilient, fault-tolerant systems.
  • • Experience making high-impact technical decisions and leading technical initiatives.
  • • A proven track record of driving technical excellence while keeping customer needs at the center of your work.

🏖️ Benefits

  • • Competitive pay with location-based salary ranges (e.g., $177,700–$222,100 for New York, New Jersey, Washington State, or California outside the SF Bay Area).
  • • Generous time off, ample parental and wellness leave, healthcare, and a retirement savings program (401(k)).
  • • Eligibility to participate in Twilio’s equity plan and corporate bonus plan.
  • • Opportunities for occasional travel to build relationships with customers and teams.
  • • Support for volunteering and donation efforts to drive positive community impact.

Skills & Technologies

DynamoDB
Kubernetes
OAuth
Senior
Remote
$167k-209k

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Twilio Inc.
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About Twilio Inc.

Twilio Inc. provides cloud-based communications platforms that enable developers to integrate voice, messaging, video, email, and authentication into applications via APIs. Founded in 2008, the company offers programmable services for SMS, voice calls, WhatsApp, email, and IoT connectivity, serving enterprises, startups, and communication service providers globally. Twilio operates a pay-as-you-go model, allowing customers to scale usage without managing underlying telecom infrastructure. The company is headquartered in San Francisco, California, and trades on the New York Stock Exchange under the symbol TWLO.

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