Frontend Engineer

Ciklum is looking for a Frontend 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 Frontend 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
• Experience with unit testing (Vitest or Jest)
• Experience connecting the frontend to backend services (GraphQL or REST)
• Daily use of AI coding tools (e.g. Claude Code, Cursor, Copilot)
• Proficient in verbal and written English communication

Desirable:

• Experience with GraphQL and Apollo Client
• Material UI (MUI)
• Charting libraries (e.g. Victory, Recharts)
• Real-time UIs (WebSockets, subscriptions, live dashboards)
• Basic understanding of CI/CD (GitHub Actions, Kubernetes, Helm)
• Background in cybersecurity, monitoring or automotive / IoT products

What’s in it for you?

• Flexible working hours
• Home office option
• 5 weeks of holiday
• 5 sick days
• Multisport Card
• Meal allowance
• Internal trainings including workshops and seminars
• Paid certifications and technical as well as soft-skills training
• Possibility to participate in international conferences
• Fresh fruit, coffee, and a weekly company breakfast in the office
• Loyalty bonus after 5, 10, 15 and more years with the company
• Referral bonus programme
• Corporate events including team building, outdoor activities, Christmas party, health week, summer ice cream, and more
• Hybrid and remote working options available across our Czech offices in Prague, Hradec Králové, and Zlín

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

With delivery centers in Prague, Hradec Králové, and Zlín, our Czech team delivers end-to-end solutions across industries. Here, innovation thrives through collaboration, and every idea drives our partners' success.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.