Senior Frontend Developer

Bolsterup; Barcelona; A distancia; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

Bolsterup, a leading Contech SaaS company, seeks a highly skilled Senior Frontend Developer to lead the development of dynamic web applications. You will leverage expertise in ReactJS and Next.js to optimize performance and deliver exceptional user experiences. This role also includes building AI-powered chat interfaces and enhancing application functionality.

Servicios

Competitive salary with potential for equity

Flexible work arrangements (remote or hybrid)

Opportunities for professional development

Vibrant and inclusive work culture

Exposure to fast-growing SaaS and construction industries

Formación

• 5+ years of professional experience as a frontend developer focusing on ReactJS.
• Strong knowledge and mastery of Next.js for SSR and SSG.
• Experience leading application transitions from Create React App to Next.js.

Responsabilidades

• Design and develop advanced web applications using ReactJS with a focus on performance.
• Lead application migration projects ensuring minimal disruption.
• Optimize applications for speed, scalability, and accessibility.

Conocimientos

ReactJS

Next.js

Tailwind CSS

Material-UI

State Management

Problem Solving

Descripción del empleo

3 weeks ago Be among the first 25 applicants

Bolsterup is a leading Contech SaaS company specializing in capturing detailed information around projects, professionals, and products. We are committed to building intuitive and dynamic web applications that enhance user experiences and drive business growth.

We are seeking a highly skilled Senior Frontend Developer with deep expertise in ReactJS and strong proficiency in modern frontend frameworks such as Next.js , Tailwind CSS , Material-UI , Aceternity , and MagicUI . The ideal candidate will be responsible for leading the development of complex user interfaces, optimizing frontend performance, and collaborating closely with cross-functional teams to deliver high-quality, scalable web applications.

This role will also be critical in building chat interfaces for AI-powered chatbots and leading the transition of our application from Create React App to Next.js .

Requirements

Key Responsibilities

• Frontend Development : Design, develop, and maintain advanced web applications using ReactJS, ensuring responsiveness and performance
• Next.js Expertise : Implement server-side rendering (SSR) and static site generation (SSG) using Next.js to enhance SEO and performance
• App Transition Leadership : Lead the migration of the current application from Create React App to Next.js, ensuring minimal disruption and improved performance
• AI Chat Interfaces : Design and build intuitive, real-time chat interfaces for AI-powered chatbot interactions, focusing on performance and user experience
• UI / UX Collaboration : Work closely with UI / UX designers to translate designs into interactive, user-friendly interfaces using Tailwind CSS, Material-UI, Acerternity, and MagicUI
• Component Architecture : Build reusable and scalable components, ensuring code quality through best practices and design patterns
• Performance Optimization : Optimize applications for maximum speed, scalability, and accessibility
• State Management : Implement efficient state management solutions using Redux, Recoil, or Context API
• Code Reviews : Conduct thorough code reviews, provide constructive feedback, and mentor junior developers
• Integration : Collaborate with backend developers to integrate RESTful APIs and GraphQL services
• Real-Time Notifications : Develop WebSocket-driven features for real-time app notifications to enhance user engagement and provide live updates
• SEO & Accessibility Compliance : Ensure all user interfaces are optimized for SEO and comply with WCAG and accessibility (A11Y) guidelines
• Testing : Write unit, integration, and end-to-end tests using frameworks like Jest, React Testing Library, and Cypress
• Agile Practices : Participate in Agile ceremonies, contribute to sprint planning, and ensure timely delivery of features

Must-Have

• 5+ years of professional experience as a frontend developer, specializing in ReactJS
• Strong knowledge of Next.js for SSR, SSG, and API routes
• Experience transitioning applications from Create React App to Next.js
• Proficiency in Tailwind CSS, Material-UI, Acerternity, and MagicUI for modern, responsive design
• Experience building real-time chat interfaces, preferably for AI chatbot applications
• Experience with state management libraries such as Redux, Recoil, or Context API
• Familiarity with RESTful APIs and GraphQL integrations
• Strong problem-solving skills and attention to detail
• Experience with version control systems like Git

Nice-to-Have

• Experience with serverless architectures and cloud platforms (e.g., AWS, GCP)
• Knowledge of CI / CD pipelines and automated deployment workflows
• Understanding of WebSockets for real-time data communication
• Familiarity with monorepo architectures and tools like Turborepo
• Contributions to open-source projects or a strong personal GitHub portfolio

What We Offer :

• Competitive salary with potential for equity in a startup set for immense growth.
• Flexibility with work arrangements, including fully remote or hybrid options.
• Opportunities for professional and personal development in a diverse and dynamic environment.
• A vibrant and inclusive work culture that values new ideas and individual contributions.
• Exposure to the fast-growing SaaS and construction industries, with opportunities to make a significant impact.

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Contract

Job function

IT Services and IT Consulting

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