Gilytics AG is hiring a Junior/mid-senior frontend developer (remote in EU)

Gilytics AG is looking for a Junior/Mid-Senior Frontend Developer to join our team in building and enhancing a 3D web-GIS application for infrastructure design. This remote EU role focuses on implementing new features, modernizing the codebase, and contributing to a product serving a growing international team.

What You'll Do

• Implement new features and UI enhancements across the application.
• Migrate legacy React class components to modern functional components using hooks.
• Collaborate with the front-end lead on architectural decisions and technical direction.
• Refactor large or complex components to improve performance, maintainability, and clarity.
• Integrate front-end features with Django REST APIs, including authentication and error handling.
• Debug and resolve issues across the codebase, including production defects.
• Contribute to high-quality documentation for complex features, workflows, and architectural patterns.
• Participate actively in code reviews, providing constructive feedback.

What We're Looking For

• Bachelor’s degree or equivalent in Computer Science, Software Engineering, Information Technology, or a related technical field.
• 4+ years of professional experience with React (v16+).
• Strong proficiency with both class components and modern functional components using hooks, with experience migrating from class-based patterns.
• Ability to design and maintain custom hooks for reusable logic.
• Solid experience with the React Context API + useReducer for state management, including structuring multiple context providers and optimizing components.
• Excellent ES6+ fundamentals, including async/await, promises, modules, array methods, and destructuring.
• Strong debugging, problem-solving, and code-organization skills.
• Experience developing in a Linux environment and familiarity with Git-based workflows and collaboration tools.
• Comfortable working in agile development environments.
• Experience with Material-UI (MUI v4), including custom theming, and Styled Components.
• Solid understanding of responsive design and component-driven UI architecture.
• Hands-on experience integrating REST APIs using Axios or similar libraries, managing data transformation and error handling.
• Experience handling files such as CSV, Excel, GeoJSON, and Shapefiles.
• Commitment to writing clean, maintainable, well-structured code following team conventions, including accessibility (a11y) best practices.
• Strong sense of ownership, ability to work independently on complex features, and a proactive problem-solving attitude.
• Adaptable, eager to learn new technologies, and possessing high attention to detail.
• Committed to continuous learning and staying current with modern React best practices.
• Collaborative team player who contributes constructively to technical direction and code reviews.
• Fluent in English is a must.

Nice to Have

• A Master’s degree is an advantage.
• Experience working with Django REST Framework backends.
• OpenLayers and Cesium experience.
• Understanding of geospatial concepts (coordinate systems and projections, vector vs raster data, feature rendering and styling).
• Turf.js or similar geospatial analysis libraries.
• Experience with WMS/WFS services.
• Experience with authentication flows (token-based auth, 2FA).
• Familiarity with error handling patterns and user feedback best practices.
• Experience with internationalization frameworks (e.g., i18next).
• Knowledge of build tools such as Create React App or Webpack.
• Understanding of code-quality tooling (ESLint, Prettier, pre-commit hooks).
• D3.js experience for interactive data visualization.
• Spanish language skills.

Technical Stack

• React, Material-UI (MUI v4), Styled Components
• Django REST APIs, Axios
• OpenLayers, Cesium, Turf.js, D3.js
• i18next, ESLint, Prettier, Webpack, Create React App
• Linux, Git

Team & Environment

You will join an international team of different nationalities, reporting to the front-end lead, and be part of a company with 11-50 employees.

Benefits & Compensation

• Innovative, dynamic, flexible and independent growing company.
• International team of different nationalities.
• Physical office in Valencia, Spain. Remote or hybrid work in the EU is possible.
• Friendly and informal environment.
• Online development team meetings every two weeks, global team meeting in Valencia.

Work Mode

This role offers a hybrid work mode and is open to candidates located within the EU.

Gilytics AG is an equal opportunity employer.