Klaviyo

Sr. Lead AI Engineer responsible for the technical leadership, architecture, and execution of high-impact AI services and agentic systems within the AI & Analytics organization. This role involves building and hardening AI serving systems, evolving agentic architecture, setting engineering standards, and mentoring other engineers. The focus is on hands-on technical leadership for production generative and agentic AI applications.

Lead AI Engineer responsible for designing, building, and scaling backend systems and agentic capabilities for Marketing and Service AI products. This role involves owning complex services end-to-end, contributing to architecture, and ensuring reliable, scalable production capabilities for generative and agentic AI solutions. The focus is on backend-heavy development, including async processing pipelines, distributed systems, AI serving, and evolving agentic architectures, with a strong emphasis on evaluation and best practices for AI systems.

Sr. Lead AI Engineer responsible for defining and improving the engineering architecture for Service and Marketing AI capabilities, building and hardening AI serving systems, and evolving the agentic architecture. This role involves leading the design of scalable, low-latency backend systems and APIs, developing services that host and orchestrate AI models, and driving the technical roadmap for AI agents. The engineer will also set standards for evaluation, safety, prompt/model versioning, testing, and incident response, and mentor other engineers. The role requires hands-on experience with generative and agentic AI in production, large-scale distributed systems, Python, cloud platforms (AWS, Kubernetes), and a strong focus on evaluation and quality.

Engineering Manager to lead a team building 'Customer Agent', a conversational AI system for brands to interact with customers at scale. The role involves setting technical direction, developing the team, driving architectural decisions, and keeping pace with AI advancements. Requires strong hands-on engineering experience, ability to engage deeply with technical problems, and leadership in building/scaling agentic systems and AI-enabled products.

Senior AI Engineer at Klaviyo, focusing on designing and building scalable backend systems and user experiences for AI products and AI agent solutions. The role involves developing data pipelines, serving AI models, and evolving agentic architecture. Requires strong backend and distributed systems experience, with expertise in generative AI and agentic AI applications.

Lead AI Engineer responsible for designing, building, and scaling backend and ML systems for AI agents that optimize marketing and customer experience strategies. Focuses on predictive systems, autonomous learning agents, and production ML pipelines at a large scale.

This role operates, tunes, and extends an agentic data quality pipeline for GTM data. It involves running and monitoring production pipeline sessions, diagnosing and resolving failures, refining detection rules and prompt logic, evaluating agent accuracy, and managing the handoff between automated output and human review. The goal is to improve pipeline reliability, detection and resolution quality, and data quality outcomes.

This role operates, tunes, and extends an agentic data quality pipeline for GTM data. It involves running and monitoring production pipeline sessions, diagnosing and resolving failures, refining detection rules and prompt logic, evaluating agent accuracy, and managing the handoff between automated output and human review. The goal is to improve pipeline reliability, detection and resolution quality, and data quality outcomes.

This role operates, tunes, and extends an existing agentic data quality pipeline for GTM data. It involves running production pipeline sessions, diagnosing and resolving failures, maintaining orchestration scripts, refining agent logic, evaluating agent accuracy, and managing the handoff between automated output and human review. The role focuses on operating and improving AI systems rather than building them from scratch.

Lead Data Science Analyst role focused on GTM strategy, building predictive models, and developing AI/LLM-powered solutions for customer lifecycle insights. Emphasizes AI-augmented workflows and an LLM-aware approach.

Lead Data Science Analyst role focused on GTM strategy, building predictive models, and developing AI/LLM-powered solutions for customer lifecycle insights. Emphasizes AI-augmented workflows and an LLM-aware approach.

Engineering Manager for Klaviyo's Conversational AI Platform team, responsible for leading a fullstack team to build the UI, orchestrator, and agent platform for an AI-powered conversational marketing experience. The role involves setting technical direction for intent detection, routing, planning, and multi-step LLM workflows, driving architectural decisions, and collaborating with product and design teams.

Senior AI Engineer to design, build, and scale production-grade LLM integrations and AI-powered automation tools. This role is at the intersection of applied AI research and full-stack software engineering, owning LLM integration architecture, RAG system design, CI/CD pipeline management, and production observability. The goal is to build AI that real people use at scale every day.

Senior Software Engineer focused on building and operating machine learning-powered backend systems for product recommendations. This role involves designing and implementing data pipelines, ranking models, and inference systems, with a strong emphasis on backend services, distributed systems, and integrating ML into production. The engineer will also drive the development of AI systems like vector search and agentic use cases, and contribute to observability and A/B testing.

Senior Security Engineer role focused on building and maintaining secure, reliable, and scalable detection and response systems. The role involves developing AI-first security systems, automating detection and response, optimizing security logging data for ML models, and responding to security incidents. Requires strong programming skills (Python, Go) and experience with CI/CD and large-scale data pipelines.

Senior Security Engineer role focused on building and maintaining secure, reliable, and scalable detection and response systems. The role involves developing AI-first security systems, automating detection and response, optimizing security logging data for ML models, and responding to security incidents. Requires strong programming skills (Python, Go) and experience with CI/CD and large-scale data pipelines.

Senior Security Engineer role focused on building and maintaining secure, reliable, and scalable detection and response systems. The role involves developing AI-first security systems, automating detection and response, optimizing security logging data for ML models, and responding to security incidents. Requires strong programming skills (Python, Go) and experience with CI/CD and large-scale data pipelines.

Lead AI Software Engineer for the Amplify team, focusing on building internal tools, platforms, and AI-powered automation to improve efficiency and scale for Klaviyo's internal operations across various departments. The role involves technical oversight, driving technical vision, leading complex projects, defining architectural evolution, and mentoring engineers, with a strong emphasis on AI-first development and establishing guardrails.

Engineering Manager for the Amplify team at Klaviyo, focusing on building internal tools, platforms, and AI-powered automation to improve efficiency and productivity across various departments. The role involves leading engineering teams, shaping technical direction, and partnering with stakeholders to deliver scalable software solutions. Emphasis on practical application of AI tools and workflows to solve real-world operational problems.

Product Owner for GTM Sales Systems (Accounts & Opportunities) at Klaviyo. Owns product vision, roadmap, and delivery for sales domains like Accounts and Opportunities. Focuses on how sellers interact with data, opportunity workflows, and system evolution for a scaling enterprise GTM motion. Employs an AI-first mindset to redesign workflows, determining what should be human-led, AI-augmented, or AI-automated. Operates within the GTS Product Owner team in the CIO organization. Requires systems thinking, CRM expertise, and the ability to define product requirements, success metrics, and drive discovery and prioritization. The role is not systems administration but a product owner focused on the GTM technology space.

Software Engineer II on the Platform Anti-Abuse team at Klaviyo. This role involves building and operating backend services for fraud and abuse detection, integrating ML classifiers, and extending enforcement capabilities across product surfaces. The focus is on defending against real-world adversaries at scale using a combination of rules, signals, and ML.

Product Owner for GTM Sales Systems (Accounts & Opportunities) at Klaviyo. Owns product vision, roadmap, and delivery for sales domains like Accounts and Opportunities. Focuses on how sellers interact with data, opportunity workflows, and system evolution for a scaling enterprise GTM motion. Employs an AI-first mindset to redesign workflows, determining what should be human-led, AI-augmented, or AI-automated. Operates within the GTS Product Owner team in the CIO organization. Requires systems thinking, CRM expertise, and the ability to define product requirements, success metrics, and drive discovery and prioritization. The role is not systems administration but a product owner focused on the GTM technology space.

Lead Software Engineer for Klaviyo's Mobile Channels team, focusing on building and scaling high-throughput messaging infrastructure (SMS, RCS, WhatsApp). The role involves technical leadership, architecture, system design, and ensuring reliable delivery while managing compliance and regulations. A key aspect is transforming workflows by putting AI at the center, building smarter systems and ways of working.

This role leads the Finance Technology Systems team, responsible for architecting and managing Klaviyo's financial systems (ERP, procure-to-pay, revenue/billing, treasury) and driving AI-native transformation within the Finance function. The role involves defining the multi-year strategy, leading a team, partnering with Finance and AI/data platform teams to embed AI into core processes, and ensuring SOX compliance and audit readiness.

Senior Pre-Sales Solutions Engineer for an enterprise SaaS company specializing in marketing technology and customer data platforms. The role involves leading technical strategy for complex, high-stakes enterprise deals, architecting solutions, and acting as a trusted advisor. It requires deep technical mastery, strategic thinking, and leveraging AI and automation to enhance effectiveness. The role also involves prototyping and shipping improvements to the product, including AI-powered tools.

Software Engineer II on the Amplify team building internal tools, platforms, and AI-powered automation for internal business operations. Focus on designing, building, and maintaining internal web applications, APIs, data pipelines, and AI-powered workflows. Role involves end-to-end ownership of features, collaboration with internal customers, and contributing to system architecture and operational health. Uses modern AI tools for development workflow.

Senior AI Software Engineer on the Amplify team, responsible for building internal tools, platforms, and AI-powered automation to improve efficiency and scale for internal teams. The role involves designing, building, and owning complex internal products, APIs, data pipelines, and AI-powered workflows, partnering with internal customers, and ensuring operational excellence. The engineer will also use modern AI tools in their development workflow and contribute to shared patterns for building internal tools and AI systems.

Engineering Manager for the Amplify team, which builds internal tools, platforms, and AI-powered automation to improve efficiency and productivity across various departments at Klaviyo. The role involves leading engineering teams, shaping technical direction, and partnering with stakeholders to deliver scalable software solutions, including AI-driven systems and agents.

Senior Software Engineer role focused on the Internationalisation Platform at Klaviyo. The role involves leading complex projects related to translations, localization, and multi-currency handling. A key future focus is delivering LLM workflows to enhance translation capabilities and developing new features for currency handling. The role requires strong systems thinking, full-stack development experience, and collaboration skills.

Senior Full Stack Engineer role focused on developing new products, with an expectation to experiment with and integrate AI into workflows and systems. The role involves end-to-end solution development, leadership, and mentoring, with a focus on innovation and speed in a fast-paced environment.