Principal Presales Engineer - ISV

ABOUT THE ROLE Twilio is redefining how businesses connect with their customers by providing a cloud communications platform that powers voice, messaging, video, and authentication services. As a Principal Presales Engineer – ISV, you will be a key technical partner to our Independent Software Vendor ecosystem, helping partners integrate Twilio’s APIs into their products and scale their solutions globally. Your deep expertise in cloud communications, coupled with a consultative mindset, will drive adoption and revenue growth for both Twilio and our ISV partners. You will operate at the intersection of engineering, sales, and partner success, shaping the technical narrative that enables partners to deliver innovative, customer‑centric experiences. WHAT YOU'LL DO You will lead complex technical workshops and proof‑of‑concept engagements for high‑profile ISV prospects, demonstrating how Twilio’s capabilities can solve their unique business challenges. You will collaborate closely with partner engineering teams to design scalable integration architectures, provide guidance on best practices, and troubleshoot production‑grade issues. You will author detailed technical proposals, architecture diagrams, and solution briefs that translate business value into measurable outcomes. You will mentor junior presales engineers, fostering a culture of continuous learning and technical excellence. You will work with product and engineering leaders to capture partner feedback, influence roadmap priorities, and advocate for new feature development. You will represent Twilio at industry events, webinars, and partner conferences, positioning Twilio as the go‑to platform for communications innovation. WHAT YOU'LL NEED You possess at least 10 years of experience in software engineering or technical pre‑sales, with a proven track record of delivering complex integrations in a SaaS environment. You have deep knowledge of Twilio’s core products (Programmable Voice, Messaging, Video, Verify, and Flex) and the ability to articulate their technical benefits to both technical and non‑technical audiences. You are fluent in at least one programming language commonly used in cloud integrations (Python, Java, Node.js, or Go) and comfortable working with RESTful APIs, WebSockets, and real‑time streaming protocols. You have experience designing multi‑tenant, highly available architectures on public cloud platforms such as AWS, Azure, or GCP. You possess strong analytical skills, can translate business requirements into technical solutions, and have a knack for simplifying complex concepts. You are an excellent communicator, able to build rapport with senior stakeholders, and thrive in a fast‑paced, collaborative environment. WHY REMOTE Twilio’s remote‑first culture empowers you to work from anywhere while staying connected through asynchronous collaboration tools, regular virtual town halls, and structured check‑ins. You will enjoy the flexibility to structure your day around your peak productivity times, while still contributing to a cohesive team that values transparency, trust, and shared success. Our distributed model brings together diverse perspectives from around the world, fostering innovation and ensuring that every voice is heard. BENEFITS Twilio offers a comprehensive benefits package that includes competitive health, dental, and vision coverage, a generous paid time off policy, a remote work stipend, and a learning budget for professional development. We also provide equity participation, retirement savings plans, and access to wellness resources.