Develop and maintain the production Python/Django backend supporting web, mobile, employee, heat-pump, and partner integrations. Build APIs, services, and business logic; improve performance, security, reliability, and scalability; manage databases and background processing; and implement testing, monitoring, observability, and release practices. Diagnose production issues, document systems, participate in technical decisions and code reviews, support teammates, and responsibly integrate AI tools into engineering workflows.

Build, test, release, and maintain two Flutter apps for heat-pump customers, installers, and service engineers. Improve app architecture, state management, reliability, offline performance, testing, CI/CD, monitoring, and release practices. Integrate APIs, authentication, notifications, backend systems, and connected devices. Collaborate across product, backend, hardware, and service teams while using AI tools responsibly and sharing technical knowledge.

Build and deploy customer-facing web features primarily with Next.js, React, and TypeScript, with focused Django and API changes. Improve customer journeys, frontend architecture, performance, accessibility, SEO, testing, observability, and release practices. Collaborate across marketing, sales, planning, installation, service, and product teams. Use AI development tools responsibly, share knowledge, document practices, and take frontend work from design through production.