Senior Front End Engineer

Ciklum is looking for a SeniorFront End Engineer to join our team full-time in the Czech Republic.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Front End Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. We are looking for a Frontend Engineer who enjoys building busy, data-heavy interfaces and cares about getting them right. You will join the core R&D team of an AI and data-driven platform, design and build high-quality frontend components and own the frontend of your areas - from real-time alerting screens to tables, forms, graphs and dashboards. This is hands-on feature development on a mature product with real users. The team works AI-first, with tools like Claude Code as a natural part of daily development. You will not deal with end clients directly - your focus is the code and the product.

You will join a long-term engagement with an Israeli company in automotive cybersecurity. Its platform protects millions of connected vehicles and covers vehicle security monitoring, threat detection and fleet security operations, as well as API security. The product is already on the market and in active development, with new features shipped every sprint. Tech stack: React 19 and TypeScript on Vite, Apollo GraphQL, Material UI, charting libraries, Vitest, deployment via GitHub Actions and Helm.

Responsibilities:

• Build and ship new features in a React and TypeScript application
• Build busy, data-heavy UIs - tables, forms, graphs and dashboards
• Develop real-time monitoring, detection and alerting interfaces
• Integrate with backend services through GraphQL (Apollo)
• Write unit tests with Vitest
• Be accountable for the quality, architectural decisions and maintability
• Use AI tools such as Claude Code as a natural part of your workflow
• Collaborate closely with product, design, backend and QA
• Research and bring in new technologies that improve the product

Requirements:

We know that sometimes, you can't tick every box. We would still love to hear from you if you think you're a good fit!

• 4+ years of experience as a frontend developer
• Strong TypeScript, HTML, CSS and JavaScript
• Strong and recent experience with React and it’s ecosystem building large-scale, customer-facing applications
• Experience building complex UIs with tables, forms, graphs and dashboards