Job Summary: We are seeking a Frontend Engineer to join a team developing and maintaining web applications, collaborating on the design and implementation of user interfaces to revolutionize construction. Key Highlights: 1. Real impact on sustainable construction. 2. Opportunities for growth and continuous learning. 3. Promotes diversity and inclusion. At 011h, we are transforming the construction industry to make it more sustainable, efficient, and digital. We design and build buildings with an industrialized vision, leveraging innovative technologies and planet-friendly materials—such as wood. Our mission is clear: to build better, for everyone. We are Europe’s first end-to-end digital platform for construction. We combine architectural and engineering expertise with the power of technology to standardize processes, automate tasks, and scale solutions that transform the industry—without compromising design, quality, or positive impact. At 011h, professionals from design, construction, and software collaborate in a dynamic, ambitious, and sustainability-oriented environment. If you’re inspired by the idea of changing how the world is built, this is your place. Currently, our operations are focused on Spain, with plans for international expansion in the coming years. At 011h, we are looking for a Frontend Engineer to join our team: **Responsibilities** * Develop and maintain web applications using React and TypeScript. * Apply state management and asynchronous actions. * Design and implement responsive, accessible, and high-performance user interfaces. * Collaborate with designers and product teams to deliver exceptional user experiences. * Manage version control with Git and CI/CD pipelines. * Participate in code reviews or conduct code reviews for other team members. * Implement comprehensive testing strategies to ensure quality and stability. * Ensure adherence to security best practices throughout the development lifecycle. * Actively contribute to the planning and architecture of complex technical solutions. **Tech Stack** * + TypeScript. * + React. * + Zustand (Global State Management) * + TanStack * + React Router * + Figma for working with UI/UX designs and collaborating with the design team. * + API-first approach; integration of REST APIs. * + Knowledge of frontend architecture principles (componentization, global state management, performance and accessibility best practices). * + CI/CD and cloud deployment (AWS). * + Version control with Git. * + Testing tools such as React Testing Library, Jest, and Cypress. * + Knowledge of security best practices across the entire software development lifecycle. * + Use of AI to enhance productivity. **Requirements** * Minimum of 3 years of frontend development experience. * Degree in engineering or a related field. * Proven experience with React. * Proficiency in TypeScript. * Familiarity with various rendering strategies (SSR, CSR, etc.). * Experience with application programming interfaces (APIs). * Demonstrated experience implementing frontend testing strategies using tools such as Jest, React Testing Library, or Cypress. * Solid understanding of software development security best practices. * Experience with performance profiling and analysis. **Benefits** **What we offer:** **Real impact:** Be part of a company transforming construction toward a sustainable and planet-positive model. **Professional growth:** Individual development plan with opportunities for learning and continuous training. **Great atmosphere and collaboration:** A multidisciplinary, diverse team with a supportive and close-knit culture. **Well-being and work-life balance:** We value the balance between your personal and professional life, which is why we offer two remote workdays per week. **Sustainable offices:** Pleasant spaces designed for collaboration and environmental respect. ️ **30 working days of vacation** per year so you can enjoy your personal time. **Health and benefits:** Private health insurance with **Alan Health**, fully covered by the company, and a **flexible compensation plan** to tailor your benefits to your needs. *At 011h, we foster diversity and inclusion. All individuals are welcome, regardless of background, identity, orientation, age, or ability. We adapt the process if needed. Join a team that values diverse perspectives and experiences.*