Senior Full Stack Engineer, Frontend Focus

Yesterday

Apply Now

Receive Emails with Similar Jobs

Complexio

WebsiteLinkedInAll Job Openings

Artificial Intelligence • SaaS • Enterprise

Complexio is a company specializing in foundational artificial intelligence solutions designed for task automation using whole company data. Headquartered in London, they also have offices in Copenhagen and Monaco. Complexio is focused on leveraging AI technologies to enhance efficiency and automate processes within organizations. They prioritize data privacy and consent management, ensuring compliance with international data protection standards.

11 - 50 employees

🤖 Artificial Intelligence

☁️ SaaS

🏢 Enterprise

📋 Description

• At Complexio, 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. • 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.

🎯 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.