Senior Backend Engineer

Designs and builds backend systems for AI agent features, ensuring scalability and performance. Requires deep backend engineering expertise and AI integration experience.

Designs and builds backend systems for OpenAI Presence, a platform for reliable AI agents in high-volume business workflows like customer support and sales. Provides hands-on technical leadership, setting architecture and guiding implementation across the platform. Focuses on reliability, scalability, and connecting technical decisions to user needs.

Build and maintain cloud-native, high-performance backend services for a data-intensive financial intelligence platform. Focus on scalability, reliability, and low-latency data processing.

Specializes in backend development for AI-driven applications, integrating machine learning models and data processing pipelines. Works on infrastructure to support AI agents. Requires expertise in backend engineering and ML integration.

This role drives Similarweb's marketing strategy through marketing automation and demand generation platforms, building and managing campaigns across email, WordPress, chatbots, webinars, and calendar automation. The manager owns the campaign calendar, audience segmentation, data quality, and reporting, while leveraging AI and vibe coding to improve workflows. Requires 2+ years of marketing operations experience, hands-on CRM and marketing automation skills, and an AI-first mindset.

Leads the product strategy and roadmap for a new AI-native platform that integrates Similarweb's data with an AI agent, enabling marketers and analysts to move from question to action. Owns the product experience, defines AI agent behavior and quality standards, and works closely with engineering, design, and GTM teams. Requires 5+ years of B2B SaaS product management and experience shipping AI/LLM-powered products.

This role manages and grows long-term partnerships with investor clients, focusing on retention and expansion of Similarweb's Investor Solution. The Account Manager will act as an alternative data expert, drive product adoption, increase renewal rates, and identify upsell opportunities. Requires 3+ years of commercial experience in renewals and upsells, ideally in SaaS or alternative data, with strong relationship-building and presentation skills.