Principal Presales Engineer

About the role

This position is key to empowering our clients in building the next generation of communication solutions. You will be an integral part of the sales organization, supporting both new business acquisition and strategic account growth.

Key facts

What you'll do

• Collaborate with Account Executives on pre-sales efforts, including evaluating opportunities, delivering product demonstrations, conducting proof-of-concepts, responding to RFPs, creating technical documentation, and leading training sessions.
• Help customers succeed by guiding the technical and product aspects of sales, suggesting optimal solutions, and advising on the effective use of Twilio's APIs.
• Become a trusted advisor by deeply understanding customer technical challenges through discovery, then designing, demonstrating, and presenting innovative solutions to address business needs.
• Construct and deliver highly interactive and complex customer product demonstrations that highlight Twilio's Communications Products, while building strong relationships with both technical and non-technical client contacts.
• Proactively identify and resolve issues for both customers and the company as we expand.
• Contribute to the wider Twilio Presales Engineering team by sharing knowledge, developing demonstration assets, and creating reusable presentation materials.
• Provide guidance and mentorship to less experienced Presales Engineers.

Requirements

• A minimum of 8 years in a presales role selling technical products, or 10 years of professional experience supporting technical products with direct customer interaction, such as in delivery or consulting.
• Exceptional communication and presentation skills, capable of building confidence with diverse audiences.
• Ability to articulate complex concepts clearly to various levels within an organization.
• Capacity to thoroughly understand a customer's communication requirements and propose suitable technical solutions.
• Prior software development experience or practical knowledge in one or more of the following:
• Backend languages: Java, C#, Node.js, Python, PHP
• Web development: JavaScript, HTML/CSS, frontend frameworks like React, Vue.js, or Angular
• Experience developing with REST APIs
• Previous experience in Telecom, SIP, Contact Center, or Security domains.
• Familiarity with sales methodologies.
• A Bachelor's or Master's degree in a technical field (Engineering, Mathematics, Computer Science) or equivalent practical experience.
• Proficiency in German.

Nice to have

• Familiarity with cloud platforms such as Amazon Web Services, Google Cloud, or Microsoft Azure, and cloud application architecture.
• Experience working with clients in the DACH region.

Skills & tools

• Twilio Communications Products
• REST APIs
• Java, C#, Node.js, Python, PHP
• JavaScript, HTML/CSS, React, Vue.js, Angular
• Telecom, SIP, Contact Center, Security
• Cloud Platforms (AWS, GCP, Azure)

Practical notes

• This role requires approximately 35% travel.
• Twilio offers competitive compensation, generous time off, parental and wellness leave, healthcare, and retirement savings programs, with specific benefits varying by location.
• Twilio uses AI to assist in the hiring process, but all hiring decisions are made by Twilio employees.
• While Twilio is remote-first, occasional in-person attendance for team gatherings, off-sites, or customer meetings may be required.
• Please be aware of recruitment fraud; ensure you are communicating with an official @twilio.com email address. Twilio will not ask for payment or banking information during the recruitment process.

About the company

Twilio Inc. is a cloud communications business headquartered in San Francisco, California. The organization creates programmable tools that allow applications to handle voice calls and text messages. Developers use these web service application programming interfaces to build customized contact methods directly into software. Through these digital connections, systems can send outgoing SMS alerts, receive incoming texts, place phone calls, and accept incoming voice communications. Cloud infrastructure replaces traditional telecommunication hardware with internet-based services. Businesses depend on these digital networks to interact with clients, send account notifications, and manage service operations. Software applications require flexible tools to handle these interactions across different regions. Developers build workflows that automate routine outreach and streamline live phone conversations. As corporate communication shifts online, web-based tools help bridge the gap between software platforms and standard telephone networks. Teams working in this space focus on creating stable software connections, supporting developer communities, and keeping message flows active. Joining an American tech firm in this sector means contributing to software that connects people through everyday phone and text technology. Employees help maintain the underlying digital framework that allows modern software programs to transmit audio calls and text data efficiently across the internet. Company roles center on building digital communication options that help businesses stay connected with their audience through simple internet interfaces.