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Principal Presales Engineer/ 6 days ago

Twilio
Attractive
Application ends: 2026-02-13

Quick Summary

This autonomous Principal Presales Engineer role is remote, based in Brazil, and requires fluency in Portuguese and professional English (Spanish is a plus). The position focuses on securing the technical win for strategic Communications accounts by leading technical discovery, designing solutions, and presenting complex product demonstrations. Candidates must have 8+ years of technical pre-sales experience (or 10+ years technical support/consulting), expertise with REST APIs, development knowledge in languages like Java, Python, PHP, or JavaScript frameworks, and prior experience in Telecom, SIP, Contact Center, or Security. Expect up to 25% travel.

Who We Are

At Twilio, we are shaping the future of communications while operating remote-first. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers globally to craft personalized customer experiences.

Our dedication to remote-first work, strong culture of connection, and global inclusion ensures that you are part of a vibrant team making a global impact daily. We are continuously revolutionizing how the world interacts, acquiring new skills and experiences that make work truly rewarding. Your career at Twilio is in your hands.

We use Artificial Intelligence (AI) technologies to maintain an efficient, fair, and transparent hiring process. Our hiring process is never completely automated; AI is used in conjunction with our recruiting professionals.

See Yourself at Twilio

Join us as our next Principal Presales Engineer on Twilio’s Communications team!

About the Job

This position is critical for enabling our customers to build the future of communications. The Principal Presales Engineer is a vital part of the sales team, focusing on our New Business and Strategic segment.

Twilio’s Principal Presales Engineers are responsible for delivering the Technical Win and ensuring the best Product Fit for our customers. They lead the technical pre-sales relationship, drive technical discovery, propose technical architectures, demonstrate the product, anticipate concerns, and offer creative solutions. They build customer trust in Twilio’s solutions.

Principal Presales Engineers must be comfortable engaging a CEO or sketching out an API flow on a whiteboard with customer software engineers.

As a Principal Presales Engineer, you will be fully autonomous, capable of independently driving the technical side of all but the most complex opportunities. Furthermore, you will provide leadership and deal support within the Solutions Engineer organization, driving the design and execution of medium to large projects, participating in architectural decisions, and coordinating with other Twilio teams, such as product.

Responsibilities

  • Partner with Account Executives to execute pre-sales activities including opportunity qualification, demonstrations, Proof-of-Concept, RFP, design documentation, technical presentations, and enablement sessions.
  • Help customers achieve success by leading the technical and product sale, recommending best-practice solutions, and guiding them on how to use Twilio’s APIs.
  • Establish yourself as a trusted advisor to our customers by leading technical discovery to understand customer technical pains, designing, demonstrating, and presenting innovative solutions that solve business challenges.
  • Build and present highly interactive, complex, and engaging customer product demonstrations to showcase the capabilities of Twilio’s Communications Products, while effectively forming strong customer relationships with both technical and nontechnical stakeholders.
  • Be hands-on, high-energy, passionate, and a creative problem solver, equipped with the knowledge of how to get things done and the ability to lead others to success.
  • Take the initiative to identify and solve problems—both for the customer and within the organization as we grow.
  • Contribute to the broader Twilio Solutions Engineering community through knowledge sharing, constructing demonstration materials, and creating reusable presentations.
  • Mentor less experienced Solutions Engineers.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply.

Required:

  • 8+ years of pre-sales experience selling complex, technical products, or 10+ years of professional experience supporting technical products coupled with customer-facing experience, particularly in delivery or consulting.
  • Excellent communicator and presenter able to gain audience confidence.
  • An engaging storyteller—you can gain audience confidence and communicate complex topics to multiple levels of audience.
  • Ability to build a deep understanding of a customer’s communications needs and guide them to a technical solution.
  • Previous software development experience or working knowledge in one or more of the following areas:
    • Backend (Java, C#, Node.js, Python, PHP)
    • Web development (JavaScript, HTML/CSS, frontend frameworks - React, Vue.js, Angular)
    • Experience building with REST APIs
  • Previous experience in Telecom, SIP, Contact Center, or Security.
  • Experience with sales methodologies.
  • Bachelor’s and/or Master’s degree in a technical discipline (Engineering, Mathematics, Computer Science) or equivalent practical experience.
  • Languages: Fluent in Portuguese; professional-level English. Spanish is a plus.

Desired:

  • Familiarity with cloud platforms (Amazon Web Services, Google Cloud, Microsoft Azure, OpenAI, ElevenLabs) and cloud application architecture.
  • Previous experience in Telecommunications, SIP, WebRTC, or Contact Centre in a technical role.

Location & Travel

This role will be remote, based in Brazil.

Approximately 25% travel is anticipated to facilitate in-person connection and relationship building with customers and colleagues.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, and a retirement savings program. Offerings vary by location.

We seek colleagues who embody our values (Twilio Magic) and empower employees to build positive change in their communities by supporting volunteering and donation efforts.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

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