Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

As a Principal Presales Engineer, you will lead technical pre-sales activities, engage customers, propose solutions, mentor peers, and establish trust through effective communication.

Own and grow strategic Retail enterprise accounts for Twilio's messaging, voice and email platform. Drive consultative, data-driven sales cycles, forecast and pipeline in Salesforce, collaborate cross-functionally, and deliver revenue and gross profit targets while identifying upsell and cross-sell opportunities.

The Transfer Pricing Manager will oversee the global transfer pricing lifecycle, integrating AI and automation into workflows, managing audits, and documenting intercompany transactions to ensure compliance.

Lead architecture, development, and long-term direction of Twilio's Android Voice and Video SDKs. Maintain WebRTC/SIP/C++ layers, improve CI/CD and build pipelines, ensure cross-platform convergence, raise code quality and test coverage, mentor engineers, triage customer issues, and own developer experience and SDK reference apps.

Lead architecture, development, and long-term direction of Twilios Android Voice and Video SDKs. Own SDK roadmap, maintain WebRTC/C++ layers, improve CI/CD and build pipelines, enhance test coverage and reference apps, triage customer issues, and collaborate cross-platform while mentoring engineers and documenting best practices.

Lead Deal Desk operations for NAMER ISV and MarTech sales: structure and approve complex commercial deals, own quote-to-signature process, manage analysts, build pricing frameworks, and partner with legal, finance, product, and operations to ensure commercially sound, high-value agreements.

Lead new business acquisition for Twilio's messaging, voice, and email products across mid-market and enterprise accounts. Prospect, design technical solutions, manage complex contract and pricing negotiations, maintain pipeline in Salesforce, and partner cross-functionally to meet iACV quota while advising product and carrier teams on customer needs.

Lead the strategic design vision for Twilio Email and SendGrid, defining end-to-end workflows, cross-channel UX harmonization, observability and telemetry patterns, scalable design system primitives, and mentoring designers while partnering with product and engineering leaders to shape long-term platform roadmaps.

Lead architecture and technical roadmap for Twilio's Compliance Experiences platform. Modernize legacy systems into cloud-native microservices, drive AI-augmented development (LLMs/agents), ensure reliability/security at scale, mentor senior engineers, translate regulatory requirements into developer-friendly APIs, and steer cross-team technical strategy and incident remediation.

Design, build, deploy, and operate large-scale, highly available distributed systems for Twilio SendGrid. Improve scalability and security, implement reliable components, add monitoring, automate processes, and collaborate with product and engineering to deliver customer-focused features.