Top Tech Jobs & Startup Jobs in Boston, MA

Design, build, and scale an AI-native conversational platform powering autonomous customer agents. Own full-stack systems, retrieval and orchestration, observability, and multi-channel experiences. Lead technical decisions, mentor engineers, and deliver reliable, tested, customer-facing features that enable brands to launch and improve configurable AI agents.

Build and operate cloud-native security services and platforms. Own components end-to-end, improve availability, scalability, and security of distributed systems, participate in on-call, incident response, design reviews, and deliver tooling, automation, and documentation to improve developer security and reliability.

As a Senior Software Engineer, you will lead user-experience improvements, drive A/B testing, mentor team members, and develop scalable solutions to enhance customer onboarding and success.

Lead and grow a team building Klaviyo's Customer Agent conversational AI platform. Set technical direction, own roadmap, collaborate cross-functionally, guide system and model design, ensure reliability, hire and develop engineers and managers, and deliver scalable, AI-driven customer engagement features.

The Senior Manager oversees Partner Account Managers to enhance partnership success, drive revenue, manage team performance, and develop strategies aligned with company goals.

As a Senior AI Engineer at Klaviyo, you will design and build scalable backend systems and AI solutions, collaborating with product managers and engineers to enhance AI technologies for optimizing customer experiences.

As a Principal Engineer for Core Infrastructure at Klaviyo, you will architect and enhance the Kubernetes platform and CI/CD pipelines, improve developer velocity, and ensure operational excellence while incorporating AI tools for automation and incident response.

Own and automate Klaviyo's technology and third-party risk register and taxonomy, lead AI risk governance and ISO 42001 readiness, perform quantitative cyber risk analysis (financial expected loss), drive third-party risk scoring automation, produce decision-ready risk reporting for leadership, and provide independent second-line oversight while partnering cross-functionally to track and close remediation.

The Principal Engineer will lead enterprise scalability efforts, driving architectural changes, optimizing systems, and integrating AI for improved operational performance across multi-tenant SaaS platforms.

The Senior Security Engineer will build and maintain detection systems, automate responses, and lead incident investigations to enhance security observability.