Tech Lead /Sr. Principal Engineer (L6)

Job description

About this role

This position is needed to contribute hands-on technical expertise, collaborate on rapid prototyping, and develop innovative solutions as part of Twilio’s incubation team. As a Tech Lead, you’ll work closely with cross-functional partners to design and build new product ideas, leveraging modern technologies and your problem-solving abilities.

Responsibilities

• - Architect & Deliver: Design, develop, and own the end-to-end implementation of high-stakes prototypes and robust, production-ready solutions.
• - Spearhead AI R&D: Drive the technical direction and collaborate with cross-functional teams to experiment with, validate, and integrate AI, machine learning, and frontier technologies.
• - Champion Engineering Excellence: Establish governance for code reviews and pioneer continuous improvements to engineering standards, mentoring peers to elevate overall code quality.
• - Influence & Evangelize: Articulate complex technical concepts, architectural decisions, and project velocity clearly to executive stakeholders and engineering peers alike.
• - Drive Agility: Navigate ambiguity and rapidly pivot technical strategies in response to shifting requirements, user feedback, and fast-paced market dynamics.

Qualifications and requirements

• - Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• - 12+ years of professional software development experience.
• - Proficiency across modern programming languages such as JavaScript, Python, Java or Go with the ability to select the right tool for the job.
• - Experience building applications using front-end (React, Angular) and/or back-end (Node.js, Springboot) frameworks.
• - Data Architecture: Solid understanding of database technologies, including both SQL and NoSQL paradigms and when to select them.
• - Next-Gen Workflow: Mastery of an agentic coding operating model; highly effective at leveraging advanced dev tools, Model Context Protocol (MCP), and LLMs to drastically accelerate AI-assisted development.
• - Strong problem-solving skills and a collaborative mindset with effective communication skills for technical discussions.
• - Extreme Autonomy: Exceptional ability to navigate intense ambiguity, self-unblock execution, and ruthlessly solve ambiguous problems without requiring constant structural support.
• - Leadership & Collaboration: Strong communication and mentorship skills, with a collaborative mindset suited for high-bandwidth technical discussions.
• - Hands on exposure to LLM, AI, or machine learning principles or projects.
• - Cloud Architecture: Deep knowledge of cloud-based platforms (AWS, Azure) and the design principles of distributed systems.
• - Ability to ramp up on new technologies, solution against well defined problems and to be iterative about building.
• - Passion for innovation and exploring emerging technologies.
• - Experience working in remote or globally distributed teams.
• - Contributions to open source or tech community projects.