Twilio Inc. logo

Staff Software Engineer (L4)

Job Overview

Location

Remote - Canada

Job Type

Full-time

Category

Software Engineering

Date Posted

March 16, 2026

Full Job Description

đź“‹ Description

  • • As a Staff Software Engineer (L4) at Twilio Inc., you will be a pivotal technical leader within the Enterprise AI Engineering team, driving the future of communications through innovative AI-powered solutions.
  • • This role is instrumental in Twilio's significant business transformation, which is powered by Enterprise AI. You will be building the foundational infrastructure for a unified, secure, and scalable operating system that will serve a multitude of GTM (Go-To-Market) functions, including Sales, Support, and Operations, as well as internal non-GTM functions like Finance, HR, and Legal.
  • • Your primary focus will be on revolutionizing Twilio's Customer Support organization by developing and deploying intelligent agentic tools and products that automate complex workflows and deliver exceptional user experiences.
  • • You will be a Full-Stack Engineer who understands AI not just as a feature, but as a fundamental shift in the software development lifecycle, enabling the creation of beautiful, engaging, and highly functional user experiences.
  • • This is a unique opportunity to engineer the entire lifecycle of agentic applications, moving beyond simply wrapping APIs to building robust, production-grade, full-stack AI solutions.
  • • As the technical heartbeat of our products, you will bridge the gap between cutting-edge AI research and the practical implementation of scalable, reliable, and high-performance production systems.
  • • You will co-lead the design and development of our software infrastructure, contributing significantly to the technical vision and strategy to ensure our systems can handle immense scale and deliver consistent reliability.
  • • A key responsibility will be driving the development of sophisticated, stateful web applications. This involves overseeing the seamless integration of complex React-based front-ends with modular backend services, ensuring an intuitive and efficient user interface.
  • • You will act as a technical leader in distributed systems and data technologies, leveraging strong software engineering principles to build and maintain robust platforms.
  • • Your role will involve driving technical innovation and conducting research to ensure Twilio remains at the forefront of emerging data technologies and best practices in the AI space.
  • • A significant aspect of this position is mentoring and elevating a team of high-performing engineers. You will foster a culture of technical excellence, guiding senior and mid-level engineers through in-depth code reviews, architectural workshops, and knowledge sharing sessions.
  • • You will collaborate closely with cross-functional teams, including product managers, designers, and other engineering teams, to deeply understand business requirements and translate them into scalable, efficient, and impactful technical solutions.
  • • Continuous adaptation to the evolving JavaScript ecosystem will be crucial to maximize engineering efficiency and leverage the latest advancements in web development.
  • • Ensuring data quality, integrity, and security throughout the entire data lifecycle is paramount. You will adhere to industry best practices and compliance standards to safeguard sensitive information.
  • • You will be instrumental in building production-grade, full-stack AI applications that transform how Twilio operates and interacts with its customers and internal stakeholders.
  • • This role offers the chance to work on projects that have a direct and significant impact on the company's operational efficiency and customer satisfaction.
  • • You will contribute to the strategic direction of AI adoption within Twilio, influencing how the company leverages artificial intelligence across various business functions.
  • • The position requires a proactive approach to problem-solving, a willingness to take initiative, and a collaborative spirit to achieve team and company objectives.
  • • You will be part of a remote-first, globally inclusive team, contributing to a vibrant culture of connection and innovation.
  • • Your work will directly contribute to Twilio's mission of empowering developers and businesses with cutting-edge communication solutions.
  • • This is an opportunity to grow your career in a dynamic and rapidly evolving field, working with advanced AI technologies and contributing to impactful enterprise solutions.

Skills & Technologies

JavaScript
TypeScript
React
AWS
Azure
Senior
Remote
$160k-200k
Degree Required

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Twilio Inc. logo
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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