Principal Presales Engineer, Product Specialist

• Partner closely with sales, solutions engineering, and enterprise strategists on complex, multi-product opportunities
• Scope, design, and validate how complex multi-product solutions fit into client ecosystems
• Help communicate the long-term Twilio vision to customers
• Act as a subject-matter expert for Twilio AI, Voice, and Messaging
• Advise customers on SMS, WhatsApp, RCS, and related capabilities
• Support internal teams with product knowledge, enablement, and solution strategy
• Design and validate scalable, secure, multi-product messaging architectures
• Lead technical discussions covering APIs, webhooks, event-driven patterns, and integration best practices
• Advise on deliverability, sender strategy, throughput, fallback logic, and failure handling across messaging channels
• Partner with Sales, Solutions Engineers, and Enterprise Strategists to drive technical validation and secure technical wins
• Share customer patterns, technical gaps, and emerging needs with Product and go-to-market teams to influence strategy and roadmap

• Hands-on experience designing and validating Conversational AI or LLM-driven architectures, including integrating OpenAI, Dialogflow, or similar models via APIs
• Experience leading pre-sales or solution architecture engagements, including scoping, design, and technical validation in both Portuguese and English
• Strong background in API-based, event-driven systems
• Hands-on experience using REST APIs and webhooks
• Working knowledge of at least one backend language such as Node.js or Python
• Prior software development or equivalent experience
• Demonstrated expertise in messaging platforms, including throughput management, retry strategies, and deliverability optimization
• Ability to communicate complex technical concepts clearly to technical and executive audiences
• Strong collaboration and influencing skills across sales, engineering, and product stakeholders
• Experience working in an overlay or specialist pre-sales capacity is desired
• Experience collaborating with Product on roadmap or positioning is desired
• Prior exposure to Twilio products or other CPaaS platforms is desired
• Business-level proficiency in Spanish is desired

• Competitive pay
• Generous time off
• Ample parental and wellness leave
• Healthcare
• Retirement savings program
• Support for employee volunteering and donation efforts
• Remote-first work arrangement
• Approximately 15% travel to connect in person with customers and colleagues