Senior Frontend Engineer -React.js - Remote (Bulgaria)

Mondoo is creating a new way that helps companies keep their users and data safe from hackers around the world. We believe that core engineers who have both technical excellence and empathy to the developer experience will help our customers take action against attackers.

Your impact

We're looking for a talented Senior Frontend Engineer to join our team! In this role, you'll bring our Agentic Vulnerability Platform to life, building a beautiful, high-performance web application using React, TypeScript, and GraphQL. You'll collaborate closely with our design team, transforming Figma designs into a seamless, responsive user interface. Working hand-in-hand with both our designers and backend engineers, you'll create an experience that is not only scalable and efficient, but also a joy for users to interact with.
If you're passionate about crafting exceptional user experiences and thrive in a collaborative environment, we'd love to hear from you.

Key responsibilities

• Build and maintain responsive, performant frontend features using React, TypeScript, and Material-UI

• Translate Figma designs into pixel-perfect, production-ready code with attention to detail

• Implement smooth micro-interactions and animations using Framer Motion, CSS, or MUI animations

• Collaborate closely with designers to bring motion design concepts to life

• Write clean, maintainable TypeScript code following component architecture best practices

• Integrate with GraphQL APIs using Apollo Client

• Optimize animation performance and ensure smooth experiences

• Troubleshoot and resolve complex UI issues in production environments

• Participate in code reviews and provide thoughtful feedback to teammates

Required qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field

• 5+ years of professional frontend development experience

• Strong proficiency in React and TypeScript

• Solid experience with Material-UI (MUI) or similar component libraries

• Demonstrated experience implementing CSS animations and transitions

• Experience with Figma and translating designs into code

• Solid understanding of responsive web design and cross-browser compatibility issues

• Excellent attention to detail and commitment to UI polish

• Strong written and communication skills with proven fluency in English

Preferred qualifications

• Experience with Framer Motion or other animation libraries (GSAP, Lottie, Rive)

• Familiarity with Vite build tooling

• Understanding of motion design principles and animation timing/easing

• Experience with SVG animations or canvas-based graphics

• Exposure to After Effects or ability to interpret animation mockups

• Knowledge of web animation performance optimization techniques

• Experience building and maintaining design systems

• Background or strong interest in UI/UX design

• Contributions to open-source projects or strong portfolio demonstrating animation work

Application Process

As part of your application, please share links to your GitHub/GitLab repositories or a portfolio of projects that demonstrate your experience with React, TypeScript, GraphQL, and relevant frontend technologies. We're particularly interested in seeing examples that showcase your proficiency with modern build tools and performance optimization techniques.

If you're passionate about creating exceptional user interfaces, building scalable and performant web applications, leveraging cutting-edge build tools, participating in collaborative design processes, and pushing the boundaries of modern frontend development, we'd love to hear from you!