Who you are

• 8+ years experience in building production-quality software applications
• 5+ years experience in a technical leadership role
• Bachelor's or Master's degree in Computer Science or a related field; or equivalent industry experience
• Proficient with building on cloud architecture and distributed systems, preferably on AWS
• Proficient with full-stack software development using modern programming languages
• Experienced with Typescript and Javascript development is required
• Experienced with documenting software architecture and technical blueprints
• Solid understanding of engineering fundamentals and common design patterns
• Strong experience with AWStechnologies and Kubernetes
• Excellent written and verbal communication skills
• Experience with standard ML programming languages such as Python and libraries such as Pandas, NumPy, SciKit-learn, Tensorflow, Keras and AWS stack (Sagemaker, Step Functions, Kendra, Open Search, Batch etc.) is a plus
• Experience developing production-quality LLM applications and using modern agent frameworks such as Langchain, Langgraph, Llamaindex, LangSmith, LangFuse, CrewAI, and/or others is a plus
• Expertise in big data technologies such as Hadoop, Spark, Kafka, and cloud-based data services (AWS/GCP/Azure)

What the job involves

• Join the team as our next Principal Software Engineer in the Efficiency Engineering team in Services Operations
• This position is needed to reinvent how we operate at Twilio with AI and software automations for Customer Support, Operations and Sales teams
• The Principal Software Engineer position will serve as a key technical leader in our Efficiency Engineering group
• This position will directly influence the architecture, design, development and deployment of our full-stack applications
• This role requires an engineering product mindset to deliver well-architected solutions that drive business outcomes and meet the needs of our customers - improving operational efficiency, driving sales revenue, and delivering beautiful product experiences
• Joining this high-performing, bar-raising team offers the opportunity to work on cutting-edge AI/ML and software engineering platforms that constantly push the envelope of the art of the possible while driving efficiency and customer success at a global scale
• Success means delivering high-quality products on time, effectively collaborating with cross-functional teams, and significantly contributing to Twilio’s strategic goals
• Provider leadership on the design and development of our software infrastructure, driving technical vision and strategy to ensure scalability, reliability, and performance
• Serve as the subject matter expert in distributed systems, data technologies, with strong software engineering skills
• Architect and implement scalable and efficient software solutions, workflow automations, data pipelines, storage solutions, and processing frameworks using state-of-the-art technologies
• Drive technical innovation and research to stay at the forefront of emerging data technologies and best practices
• Mentor and coach a team of talented engineers, fostering a culture of technical excellence, collaboration, and continuous learning
• Collaborate closely with cross-functional teams to understand business requirements and translate them into scalable and efficient technical solutions
• Ensure data quality, integrity, and security throughout the data lifecycle, adhering to industry best practices and compliance standards

Benefits

• Generous annual time off in all countries
• Comprehensive health programs
• Programs to help our employees plan for their retirement needs
• Generous maternity, paternity, and adoption leaves, as well as family medical care leave
• Build and present a Twilio app to earn your Twilio track jacket and receive $30 per month for e-books for continued learning and education
• Variety of snacks, drinks, and catered meals in each of our locations
• Work from home opportunities