Top Tech Jobs & Startup Jobs in Boston, MA

Lead architecture, design, and implementation of a scalable conversational AI platform (Customer Agent). Drive technical strategy for LLM-powered agentic systems, retrieval, orchestration, memory, evaluation, and reliability. Ship AI product features, establish observability/testing/operational best practices, lead cross-functional initiatives, mentor engineers, and evaluate emerging AI technologies to deliver reliable customer-facing experiences.

Lead architecture, design, and delivery of Klaviyo's Customer Agent conversational AI platform. Drive technical strategy, build scalable AI-enabled features, establish observability and reliability practices, mentor engineers, and coordinate cross-functional initiatives to deliver production agentic systems for millions of users.

Provide high-level support to multiple senior Product, Design, and Data leaders: manage complex calendars, coordinate cross-functional meetings, plan domestic and international travel, run logistics for offsites and reviews, manage executive communications and confidential information, improve processes, track action items, and support special projects to enable leadership effectiveness.

As a Manager of People Technology at Klaviyo, you will oversee Workday modules, enhance user experience, improve systems through AI, and lead projects. Responsibilities include collaborating with stakeholders, managing compliance, coaching team members, and driving system optimizations.

Own day-to-day operations of Klaviyo’s Champions program: recruitment, onboarding, member engagement, cross-functional activation, measurement of ROI, budget support, and elevating program prestige and industry recognition.

Lead full-cycle technical recruiting for engineering (backend, frontend, infrastructure, ML). Source passive candidates, screen and close offers, partner with hiring managers on role scoping and leveling, use data and AI tools to optimize pipelines, and represent Klaviyo at events and outreach channels to build diverse talent networks.

Own strategy and execution for Klaviyo's Analytics AI product area, principally the Analytics Agent. Define quality measurement, AI-generated analytics UX, and query infrastructure transitions. Partner cross-functionally to ship data-grounded LLM experiences, ensure metric accuracy and platform health, write rigorous product specs, and support multi-brand Enterprise analytics needs.

The Inbound Growth Specialist at Klaviyo manages inbound demo requests and free account inquiries, providing high-quality interactions to drive customer acquisition and maintain an exceptional customer experience.

As a Lead Data Science Analyst, you will develop predictive models, conduct statistical analyses, and create AI-driven solutions to enhance GTM strategy and customer outcomes.

Lead HR strategy for R&D as primary HRBP to VP+ leaders (CPO, CTO, CIO). Drive org design, succession, hiring strategy, leadership development, and AI-driven transformation. Build and coach an HRBP team, use people analytics to inform decisions, and partner across People functions to scale processes and measure impact.