Frontend And Ux Developer

At Exein, our mission is to build the world’s first ecosystem for IoT device security, ensuring all types of devices are secure globally. Our dynamic team is passionate about data, machine learning, open source, and firmware. Our unique products empower developers to secure their IoT devices with cutting‑edge technology in an easy and frictionless way.
We are seeking a Frontend Engineer to join our team, working on the development of secure, high-performance web applications. You will build modern, responsive user interfaces while also architecting scalable systems using React, Next.js, and TypeScript to handle real‑time threat telemetry and mission‑critical security workflows.
In this role, you will collaborate closely with designers, backend engineers, and product teams to deliver intuitive, reliable user experiences, write clean and maintainable code, and contribute to key technical decisions. The ideal candidate combines strong frontend expertise with a passion for performance, scalability, and building user‑centric interfaces in complex environments.
We believe that AI makes experienced developers faster, but it doesn't replace the experience.
Design and implement scalable, modular frontend architectures that support complex data visualizations and multi‑tenant security environments.
js SSR strategies to minimizing Time to Interactive (TTI) for data‑heavy dashboards.
You have 3-5 years of experience working with React, Next.js, and TypeScript; experience in deep tech or cybersecurity companies is strongly preferred.
You know exactly when an AI‑generated output is hallucinating or insecure, and you have the expertise to refactor and fix it.
Build technology that helps organizations detect and respond to real‑world cyber threats.
Be part of a rapidly growing cybersecurity scale‑up where your ideas, ownership, and innovation directly influence the product and its future.