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At Complexio, we’re building the intelligence layer for enterprise AI—automatically creating a connected understanding of an organisation’s people, processes and systems, and turning that into real-time automation and insight. Our platform ingests structured and unstructured data, constructs a living Event Knowledge Graph, and orchestrates multiple AI models to uncover hidden workflow opportunities and drive autonomous action.
As a Senior Frontend Full Stack Engineer, you will join us at an exciting inflection point: you’ll help shape the way thousands of enterprise-users engage with our platform. You’ll work with a team of software engineers, data scientists, product experts and business analysts to craft next-generation web applications and user experiences that bring our powerful automation engine to life. Your role will be foundational in translating data-rich insights into intuitive, performant, and scalable interfaces - bridging the gap between advanced AI infrastructure and real-world business impact.
If you are passionate about working at the intersection of rich front-end engineering, full-stack product delivery and enterprise AI innovation, and you thrive in a fast-moving, deeply technical team, then we’d love to hear from you.
Requirements
- React + TypeScript (advanced)
- Strong JavaScript fundamentals (async, modules, performance)
- Experience with Vite, ESLint, modern tooling
- Building scalable UI with components, hooks, and context
- Integrating with REST APIs, async flows, error handling
- Writing maintainable code + strong code review skills
- Familiar with LLM-based features (streaming, prompts, AI-driven UI)
- Testing with Vitest/Jest + React Testing Library
- Good UX instincts & ability to work independently
Must-Haves if we consider full-stack, nice to have for frontend
- Python backend familiarity (FastAPI/async I/O, API contracts)
Nice-to-Haves
- Experience with Electron apps (main/renderer, preload, IPC)
- React Query / Zustand or other state libraries
- Advanced TypeScript patterns (generics, mapped types)
- Performance debugging (React Profiler, bundle optimization)
- Knowledge of Radix/shadcn/ui or similar component libraries
- Node.js fundamentals
- Event-driven systems familiarity
Benefits
- Join a pioneering joint venture at the intersection of AI and industry transformation.
- Work with a diverse and collaborative team of experts from various disciplines.
- Opportunity for professional growth and continuous learning in a dynamic field.
