Location: Hybrid (Petach Tikva, Israel) | Experience: 5+ years | Full-Time. Dreamhub is the first AI-native CRM purpose-built for B2B SaaS teams. Backed by the founders of MuleSoft, Datadog, and Datorama, we’re redefining how go-to-market teams operate—leveraging machine learning and LLMs to automate workflows, surface deep insights, and eliminate manual data entry. We're looking for a Senior Fullstack Developer to join DreamHub AI and work across the entire stack. You'll build the React interfaces that make complex AI-powered sales insights accessible, and the Python services, APIs, and integrations that feed our AI models with structured data from the tools B2B teams rely on. What You'll Do: Build and maintain our React-based CRM application that automatically updates deals and delivers real-time sales intelligence; Create responsive, data-heavy interfaces for pipeline management, forecasting, and AI-generated deal insights; Design and build REST APIs and data pipelines that feed our AI models with structured information; Build and maintain integrations with CRMs, sales tools, and data platforms (Salesforce, HubSpot, Gong, Apollo, etc.); Work with LLMs to process and standardize data from different systems, and surface deep insights in user-friendly formats; Implement robust error handling and monitoring for business-critical, end-to-end flows; Collaborate closely across frontend, backend, and Data Science to quickly ship what customers are asking for. Requirements: 5+ years of professional software development experience; Strong React frontend experience with solid JavaScript and TypeScript skills; Strong Python experience building services with FastAPI; Experience building data-intensive applications with complex state management; Strong understanding of REST APIs and third-party integrations; Data warehouse experience with BigQuery, Snowflake, or Redshift; Experience with object-oriented design and unit testing (pytest); UI testing (Playwright/Cypress) a plus; Familiarity with AI/ML frameworks and LLMs; Knowledge of CI/CD pipelines; Kubernetes deployment experience an advantage; CS/Engineering degree or equivalent, and startup experience (at least one company); Based in Petach Tikva, Israel (hybrid schedule), next to the Shaham light train station.