Top Tech Jobs & Startup Jobs in Boston, MA

Lead product strategy and roadmap for Klaviyo's channel infrastructure and mobile ecosystems (iOS, Android, SDKs). Manage cross-functional teams, own end-to-end product lifecycle, drive scalability and performance for email, push, in-app, and other messaging channels, mentor product managers, and partner with platform stakeholders to deliver enterprise-grade solutions.

Build and scale Klaviyo's AI-native Customer Agent platform across frontend and backend. Design conversational experiences, retrieval and orchestration systems, integrations, observability, and deployment. Drive architecture, mentor engineers, ensure reliability, and ship high-quality, scalable AI-driven customer engagement features.

As a Senior Software Engineer, you'll design and build scalable systems for customer data management, ensuring seamless user experiences and mentoring team members.

Lead architecture and implementation of Klaviyo's Customer Agent platform: design scalable agentic/LLM systems, drive technical strategy, ship AI-powered features, ensure reliability and observability, mentor engineers, and partner cross-functionally to deliver conversational AI at scale.

Lead architecture and implementation of Klaviyo's Customer Agent platform. Drive technical strategy for conversational AI at scale, ship AI-powered features, ensure reliability and observability, mentor engineers, and collaborate cross-functionally to evaluate emerging AI technologies and influence platform direction.

Design end-to-end product experiences for Klaviyo's platform, translate complex workflows into clear solutions, prototype (including AI-assisted), apply design systems, collaborate with PM and engineering, and conduct user research and usability testing to validate designs.

Own end-to-end architecture for Klaviyo's partner systems, translating business needs into diagrams, data models, and design docs. Build and ship Apex, LWC, Flow, and complex integrations, maintain reusable assets in GitHub, run architecture and PR reviews, refine backlog with Product Owner, and mentor developers while serving as domain expert for GTM stakeholders.

Own and deliver Salesforce solutions (Apex, LWC, Flow) and integrations across the GTM stack. Build and maintain the partner portal and payments integrations, ensure secure data flows and platform health, triage high-impact issues, apply engineering best practices, use AI tools to accelerate development, and mentor junior developers.

Design and prototype AI-powered solutions (LLMs, agents, prompts) to solve creative and operational problems, integrate AI with internal data and APIs, enable teams through documentation and training, and partner with engineering to productionize scalable workflows across Services.

Design and prototype AI-powered solutions for Customer Success using LLMs and automation. Translate business needs into roadmaps, build prompts/agents/ retrieval workflows, integrate APIs and internal data, enable teams with documentation and training, and partner with engineering to productionize scalable AI systems.