Senior React.js Developer

Position Overview: Front-End Developer (Next.js)

We are seeking an experienced Front-End Developer with strong hands-on expertise in Next.js and React.js. The ideal candidate will build and maintain scalable, responsive web applications using modern front-end technologies and best practices in performance, SEO, and rendering techniques.

Key Responsibilities

• Develop and maintain responsive, scalable web applications using React.js and Next.js
• Implement CSR, SSR, and SSG using Next.js best practices
• Build reusable, modular UI components following clean front-end architecture
• Integrate and manage REST APIs for data retrieval, caching, and error handling (React Query or similar)
• Optimize applications for performance, SEO, and accessibility
• Collaborate with backend engineers and UI/UX designers to deliver high-quality user interfaces
• Debug, test, and document code to ensure maintainability and scalability

Required Skills

• Strong knowledge of Next.js fundamentals (routing, rendering techniques, API routes)
• Proficiency with React Hooks and understanding of component lifecycle
• Solid experience integrating REST APIs and handling errors effectively
• Familiarity with state management libraries such as React Query, Redux, or Zustand
• Strong skills in JavaScript (ES6+), HTML5, and CSS3
• 7–10 years of front-end development experience

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Responsibilities Include:

• Translation of the UI/UX design wireframes to actual code that will produce visual elements of custom analytics products and wide web applications
• Will work with the R&D and Analytics team to bridge the gap between graphical design and technical implementation
• Take an active role on both sides and defining how the application looks as well as how it works

Ideal Candidate

• Experience with JavaScript, TypeScript, HTML, and CSS
• Experience developing new user-facing features
• Strong working knowledge of front-end frameworks (Angular 2+ versions)
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• Experience building reusable code and libraries for future use
• Ensuring the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders

Desired Skills:

• Experience leveraging data analysis to construct strategic narrative
• Excellent problem-solving/analytical skills and ability to break down large complex concepts
• Knowledgeable in web standards and responsive design
• Strong UI/UX and design experience with the ability to simplify complex scenarios to the average user without losing functionality
• Knowledgeable in web standards and responsive design
• Familiarity with Agile project management principles
• Confidence to drive assignments to completion

UI Developer :

Experience in developing Web Applications/websites using HTML5, CSS3, and Bootstrap4 or above is essential

Experience in CSS preprocessors like Less, Sass

Experience in developing Responsive and Mobile First design products/websites using wireframes & mock-ups is essential

Experience in tailwind CSS is a must (config, create custom util function)

Experience in the latest design principles and animations is essential

Experience in Photoshop / Sketch tools and collaborative products like Invision / Figma is desirable

A fair understanding of JavaScript programming / Jquery is essential

Experience in working with React

Good knowledge of web standards and SEO principles is desirable

What you will do:

• Build cross-browser compatible front-end applications using ReactJS, JavaScript, HTML and CSS.
• Develop fast and highly scalable and responsive applications.
• Work closely with cross-functional teams of product manager, backend developers, and UI/UX designers.
• Partner with product teams to ensure user interactions & features are well-designed and implemented.
• Manage individual project priorities, deadlines and deliverables.

Skills And Qualifications:

• 4+ years of work experience in frontend web development.
• Strong understanding of Core Javascript, ReactJS, React Native (desired), semantic HTML5 CSS, Flexbox and responsive development.
• Thorough understanding of Javascript design patterns
• Proficient understanding of web markup, including HTML5 CSS3
• Understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of advanced JavaScript libraries and frameworks, such as ReactJS, AngularJS
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Preferably from a SaaS and web applications platforms background, and/or B2B applications.
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Proficient understanding of code versioning tools, such as Git
• Experience in building APIs / application backends using Node.js (good to have)

Understanding of UI / UX best practices and ability to collaborate with the Design team to implement functional and intuitive user experiences