Senior Front-End Engineer with UX Expertise 

We are seeking a highly skilled Front-End Developer with strong UX design experience, ideally with a background in Cybersecurity or Network Infrastructure. The candidate will play a key role in shaping the UX and implementing the UI of an industry-standard interactive geo map for the cybersecurity visualization platform. 

This hybrid role requires expertise in ReactJS for development and Figma for UX/UI design, with an ability to bridge user experience goals with technical implementation. Experience designing products or visual interfaces for security vendors or similar technical domains is strongly preferred. 

Experience / Skills required: 

Must have: 

• 3+ years of experience in Front-End Development with a focus on ReactJS 
• 2+ years of UX/UI design experience using Figma or similar tools 
• Proven experience building data-driven visualizations or geo maps 
• Strong portfolio of user-centered designs, particularly in technical or security domains 
• Familiarity with web performance optimization, responsive design, and cross-browser compatibility 
• Experience or familiarity with Cybersecurity, Network Infrastructure, or Security Visualization tools 
• Ability to understand and visually communicate complex cyber concepts like threat mapping, network flow, geolocation of assets, etc 
• Upper-Intermediate English and better 

Good to have: 

• Experience with D3.js, Leaflet, Mapbox, or other data viz/geo mapping libraries 
• Familiarity with secure UI/UX best practices 
• Prior work with security vendors or SOC tools (e.g., SIEM, NDR, XDR dashboards) 
• Understanding of APIs and working with real-time data streams 

Responsibilities: 

• Lead the UX design process for a highly interactive map experience — from user research and wireframes to prototypes and final mockups using Figma 
• Implement responsive, high-performance user interfaces in ReactJS, with a focus on usability, accessibility, and performance 
• Collaborate with product managers, back-end developers, and cybersecurity SMEs to understand data and UX context 
• Translate complex technical and cybersecurity concepts into intuitive UI workflows and visualizations 
• Iterate on designs based on feedback, user testing, and analytics 
• Maintain consistency with branding and UX standards across the product 

We offer:  

• Competitive salary with the regular review 
• Medical Insurance after 3 months probation period (can be used in Ukraine) 
• Vacation (up to 20 working days) 
• Paid sick leaves (10 working days) 
• National Holidays as paid time off (11 days) 
• Online English courses 
• Accountant assistance and legal support 
• Flexible working schedule, remote, office-based or hybrid format  
• Fully-equipped perfect office space located in the city center (ready for work in blackouts) 
• Direct cooperation with the customer 
• Dynamic environment with low level of bureaucracy and great team spirit 
• Challenging projects in diverse business domains and a variety of tech stacks 
• Communication with Top/Senior level specialists to strengthen your hard skills 
• Online/offline teambuildings 
• Volunteering culture development and support