Front-end Developer -React
DIGITALL Nature Sofia, Sofia-City, Bulgaria
IT Services and IT Consulting · 1,001-5,000 employees
About the role
Design, build, and maintain scalable UI component libraries and micro-frontend implementations using React and TypeScript. Collaborate with backend engineers and UX designers to integrate APIs and optimize application performance.
What they look for
Requirements
Requires 5+ years of software development experience with a strong focus on React and TypeScript. Candidates must demonstrate mastery of frontend debugging, rendering optimization, and testing suites like Jest.
Full description
At DIGITALL, we don't just deliver technology; we deliver the future! We are explorers, knowledge-hunters, tech geeks, problem solvers, and game changers who want to inspire and be inspired. Our DIGITALL people are always one step ahead: working with top-notch technologies, creating innovations ahead of market trends, and sharing a passion for discovering better ways. As a human-centric organization, our teams are built on mutual respect and open communication, allowing everyone to be authentic, express ideas, and unleash their potential. We are proud of our DIGITALL bright minds and never stop developing their skills to keep pushing boundaries together and do what we love. DIGITALL operates globally with a team of 1000 experts in 16 locations across 8 countries.
Key Responsibilities
- Design, build, and maintain scalable UI component libraries using modern React and TypeScript.
- Contribute to or lead micro-frontend implementations using Module Federation or equivalent strategies, enabling composable and independently deployable React applications within a shared
- host shell.
- State Management: Implement efficient global and server state strategies (Redux Toolkit, Zustand, React Query, or equivalent).
- Interactive Features: Integrate mapping solutions (Leaflet / React-Leaflet) for rendering interactive
- maps, custom markers, and complex geospatial layer overlays.
- Optimize application performance through caching, code splitting, dynamic imports, and virtualized
- lists for large datasets.
- Establish testing suites using Jest, enforcing code quality via ESLint and Prettier. Partner with backend engineers to integrate APIs, collaborate with UX designers, and mentor team
- members in React best practices.
Required Qualifications
- 5+ years of software development experience with a heavy focus on React.
- Deep knowledge of modern React core concepts, TypeScript, and browser performance fundamentals.
- Experience in unit and component testing using Jest.
- Demonstrated mastery of frontend debugging, memory management, and rendering optimization.
- Familiarity with consuming REST APIs and managing complex UI lifecycles.
- Working knowledge of micro-frontend patterns and Module Federation.
Nice-to-Have Skills
Experience with Leaflet, React-Leaflet, or Mapbox GL JS for interactive GIS features.
Familiarity with Cesium.js for 3D geospatial and terrain visualization.
Familiarity with design systems or Tailwind CSS.
Experience with Nx monorepos for multi-app workspace management.
Tech Stack: React, TypeScript, Jest, ESLint, Module Federation, Leaflet / React-Leaflet, SCSS / Tailwind CSS,
Cesium (optional).
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