ReactJS Lead Developer

Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values -driven culture, international careers and the chance to shape the future of experience. The opportunity At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries. We are proud of: The work we do and the innovation we drive Our values of share, care a nd dare A workplace culture that fosters creativity, diversity and autonomy Our borderless, global framework, which enables seamless collaboration The role As a ReactJS Lead Developer , you are passionate about experience innovation and eager to push the boundaries of what’s possible. You bring 6+ YEARS of experience, a growth mindset and a drive to make a lasting impact. You will thrive in this role if you are: A curious problem solver who challenges the status quo A collaborator who values teamwork and knowledge-sharing Excited by the intersection of technology, creativity and data Experienced in Agile methodologies and consulting (a plus) Job Summary We are looking for a highly skilled Frontend Developer with deep expertise in React.js and Next.js to join our engineering team. In this role, you will be responsible for building high- performance, scalable, and SEO-friendly web applications. You will work closely with UI/UX designers, backend engineers, and product managers to translate complex requirements into elegant, reusable, and robust frontend solutions. If you are passionate about modern web architectures, Server-Side Rendering (SSR), Static Site Generation (SSG), and creating seamless user experiences, we want you on our team! Key Responsibilities Develop & Architect: Build scalable, user-facing features and highly reusable UI components using React.js and Next.js. Next.js Optimization: Leverage Next.js capabilities including Server-Side Rendering (SSR), Static Site Generation (SSG), Incremental Static Regeneration (ISR), and the new App Router for optimal performance and SEO. UI/UX Implementation: Translate wireframes and high-fidelity designs (from Figma/Adobe XD) into responsive, high-quality code. State Management: Manage complex application state using modern tools (e.g., Redux Toolkit, Zustand, Context API, or React Query). API Integration: Connect frontend applications to RESTful APIs and/or GraphQL endpoints, handling data fetching, caching, and error handling efficiently. Performance Tuning: Optimize applications for maximum speed, scalability, and Core Web Vitals across various devices and browsers. Collaboration: Participate in code reviews, agile ceremonies, and collaborate closely with backend developers to define API contracts and data structures. Testing: Write unit and integration tests to ensure code quality and reliability. Required Skills & Qualifications Experience: [3-5+] years of professional experience in frontend web development. Core Tech: Expert-level proficiency in JavaScript (ES6+) and TypeScript . React.js: Deep understanding of React core principles, Hooks, Component Lifecycle, and functional component architecture. Next.js: Proven, hands-on experience building production applications with Next.js (familiarity with both Pages Router and the App Router). Styling: Strong CSS skills, with experience in modern styling solutions like Tailwind CSS , CSS Modules, or Styled-Components. Data Fetching: Experience with modern data fetching and caching libraries (e.g., React Query / TanStack Query, SWR, Axios). Version Control: Proficiency with Git and collaborative workflows (GitHub/GitLab/Bitbucket). Problem Solving: Strong analytical skills and a keen eye for detail and UI consistency. Nice-to-Have (Preferred) Skills Experience with backend technolog…