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Twilio

Principal Machine Learning Engineer, L5

Twilio

. Build foundational AI/ML capabilities powering intelligent engagement experiences for Twilio customers .

Posted 10/8/2026full-timeRemote • IndiaLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in building and deploying production-grade ML/AI systems, with a strong focus on LLM orchestration and cloud-based services. Proven ability to lead rapid research cycles and mentor teams in a fast-paced, high-delivery environment.

Highest-signal resume keywords
10+ Years Applied ML/AI ExperienceProficiency In Python Programming LanguageDeep Expertise In ML/AI System DesignExperience Building Cloud-Based ServicesStrong Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
ML/AI System DesignStatistical Machine Learning AlgorithmsTransformer ModelsLLM OrchestrationEmbedding ModelsVector Stores
Soft Skills
Effective CollaborationMentorship
Tools & Technologies
AWSGCPAzure
Industry Keywords
Intelligent Engagement ExperiencesData-Driven PersonalizationReal-Time InferenceHigh-Volume Data

Tech Stack

Tools & technologies
AWSAzureCloudGoogle Cloud PlatformPython

About the role

Key responsibilities & impact
  • Build foundational AI/ML capabilities powering intelligent engagement experiences for Twilio customers
  • Build new functionality within a fast-moving, rapidly adopted product
  • Turn nebulous ideas into rigorous experiments and execute them within weeks
  • Conduct deep-dive research into state-of-the-art LLM orchestration, retrieval strategies, and data-driven personalization
  • Build ML systems operating at Twilio scale
  • Rapidly acquire technical skills and knowledge in a fast-paced, high-delivery environment
  • Leverage and integrate the latest AI development stacks to focus on core differentiation
  • Lead rapid research cycles addressing contextual intelligence and large-scale ML problems

Requirements

What you’ll need
  • 10+ years applied ML/AI experience with a track record of owning technically ambitious systems end to end rather than contributing to someone else's design
  • Comfort operating in a 0-to-1 setting with ambiguous requirements and a strong bias for action
  • Proficiency in Python programming language
  • Experience building cloud-based services on AWS, GCP, or Azure, with high-volume data, streaming or real-time inference paths, and a range of data stores
  • Deep expertise in the design, architecture, and deployment of production-grade ML/AI systems, including LLM orchestration, embedding models, and vector stores
  • Strong fundamentals of statistical machine learning algorithms, transformer models, LLMs
  • Ability to raise the technical bar of a team through mentorship, design review, and standards, without formal management authority
  • Experience in building cloud-based services using AWS, GCP, or Azure
  • Strong communication skills and highly effective collaborator who works well with teammates

Benefits

Comp & perks
  • Competitive pay
  • Generous time off
  • Ample parental and wellness leave
  • Healthcare
  • Retirement savings program
  • Volunteering and donation support