Principal Presales Engineer, Product Specialist
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Job Description
Principal Presales Engineer designing AI and messaging architectures for Twilio customers in Brazil. Advising on APIs, deliverability, and complex multi-product technical sales.
Responsibilities:
- 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
Requirements:
- 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
Benefits:
- 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
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