Senior Frontend Developer

We are looking for a hands-on Senior Frontend Developer (React) to join our international engineering team. At SEON you will work on our control room application that forms the core of our safety and emergency response platform. You will collaborate closely with Backend Product and Engineering leadership to build reliable high-quality experiences that help organizations protect people and respond to critical events faster. If you enjoy owning features end-to-end shaping frontend architecture and working on technology with real-world impact this role is a great fit.

Tasks

• Develop maintain and enhance our React Web app
• Take ownership of frontend architecture and contribute to long-term technical decisions
• Implement features involving offline functionality maps & geolocation secure data handling and real-time interactions
• Ensure performance stability and a great user experience
• Work closely with our Product Owner and engineering team to refine requirements
• Participate in code reviews testing and continuous improvement of development processes
• Collaborate across disciplines to deliver high-quality mission-critical software

Requirements

• 3 years of experience building applications with React
• Strong knowledge of JavaScript/TypeScript and web architecture patterns
• Experience with offline-capabilities maps & geolocation services and mobile security best practices
• Familiarity with REST APIs; experience with Ruby on Rails is a plus
• Hands-on ownership-driven mindset with attention to detail and quality
• Ability to work mostly overlapping with CET (2 hours)
• English fluency; German is a plus
• Valid work authorization for Germany (employment via SEON GmbH)

Benefits

• Fully remote work setup within CET 2 hours with optional access to our offices in Hamburg and Cape Town
• Participation in our VSOP equity program
• Competitive salary and a high-flexibility trust-based work culture
• Work on a product that directly contributes to faster safer emergency response
• Join an international collaborative team with modern technologies (React Native Expo React Ruby on Rails)
• Real ownership and influence on the direction of our mobile applications
• Opportunity to build technology that truly makes a difference

Key Skills
APIs,REST,Spring,SOAP,.NET,React,Node.js,Angular,J2EE,JavaScript,Web Services,Java
Employment Type : Employee
Experience: years
Vacancy: 1
Yearly Salary Salary: 65000 - 75000