React JS- Developer

Job Summary:

We are looking for a skilled Frontend Developer with a strong foundation in modern frontend technologies. The ideal candidate must have experience working with React.js, Redux, Next.js, and TypeScript while following industry best practices. You should be proficient in writing clean, scalable, and maintainable code and have experience with performance optimization, unit testing, and frontend architecture.

Key Responsibilities:

• Develop and maintain scalable and high-performance frontend applications using React.js, Redux, Next.js, and TypeScript.
• Implement complex UI components and reusable design patterns with Storybook.
• Utilize RxJS for reactive state management and asynchronous data handling.
• Optimize frontend performance by analyzing browser behaviors, implementing lazy loading, code-splitting, and caching techniques.
• Collaborate with backend developers to integrate GraphQL APIs efficiently.
• Ensure cross-browser compatibility and responsive design.
• Write unit tests using Jest, React Testing Library, or Cypress to maintain code quality.
• Adhere to frontend best practices, coding standards, and accessibility guidelines.
• Debug and troubleshoot frontend-related issues and improve application performance.
• Work closely with UI/UX designers to translate Figma/Adobe XD designs into high-quality frontend components.
• Continuously research and implement modern frontend technologies and frameworks to enhance the development workflow.
• Develop and optimize Shopify storefronts using React.js.
• Work with PrimeReact for efficient UI component development.
• Utilize Tailwind CSS framework for styling and responsive design.
• Implement design patterns for scalable and maintainable code.

Required Skills & Qualifications:

• 2+ years of hands-on experience in frontend development with a strong emphasis on React.js and Next.js.
• Experience with Webpack, build systems, and production optimization
• Proficiency in TypeScript for type-safe development.
• Experience with state management libraries such as Redux, Zustand, or Recoil.
• Strong understanding of RxJS and reactive programming concepts.
• Hands-on experience with GraphQL and Apollo Client.
• Experience with Storybook for UI component documentation and testing.
• Strong knowledge of browser behavior, event handling, and performance optimization techniques.
• Familiarity with CSS-in-JS solutions (Styled Components, Emotion) or modern CSS methodologies (BEM, TailwindCSS, etc.).
• Experience writing unit and integration tests using Jest, React Testing Library, or Cypress.
• Strong debugging skills and familiarity with Chrome DevTools.
• Understanding of Web Performance Optimization (WPO) techniques.
• Familiarity with CI/CD pipelines and Git version control.
• Experience with Shopify storefront development using React.js.
• Proficiency in using PrimeReact UI components.
• Experience implementing design patterns for frontend development.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.

Good to Have:

• Experience with Micro Frontends architecture.
• Exposure to Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Knowledge of WebAssembly, PWA development, or WebSockets.
• Familiarity with cloud platforms like AWS, Firebase, or Vercel.
• Contributions to open-source projects or a strong GitHub portfolio.

Why Join Us?

• Work with cutting-edge technologies and best practices.
• Collaborate with a passionate and innovative team.
• Opportunity for professional growth and career advancement.
• Competitive salary, flexible work environment, and great company culture.

If you are passionate about frontend development and eager to work with modern technologies, we would love to hear from you.

We are seeking a talented and experienced Frontend Developer to join our on-site team full time. As a Frontend Developer, you will be responsible for developing user-friendly, responsive and high-performance web applications.

Responsibilities:

• Develop responsive and user-friendly web applications.
• Collaborate with designers and other developers to implement visual designs and user interface elements.
• Optimize web applications for maximum speed and scalability.
• Write clean, maintainable and reusable code.
• Participate in code reviews and ensure code quality.
• Troubleshoot and debug issues as they arise.
• Stay up-to-date with emerging trends and technologies in frontend development.

Requirements:

• 1 year of experience as a Frontend Developer.
• Proficient in HTML, CSS, and JavaScript.
• Familiarity with modern frontend frameworks like React, Nextjs.
• Experience with CSS preprocessors like Sass or LESS.
• Knowledge of responsive web design and cross-browser compatibility.
• Understanding of version control systems like Git.
• Ability to work in a collaborative environment.
• Excellent problem-solving and analytical skills.

If you are a self-starter who is passionate about frontend development and looking for a challenging opportunity, please apply with your resume and a cover letter explaining your experience and why you are the best fit for this role. This is an on-site, full-time position.

Job Description:

We are looking for an experienced JavaScript developer who is proficient with React.js. The primary focus of the selected candidate would be on developing user interface components implementing and executing them following well-known React.js workflows (such as Flux or Redux). Also ensuring that these components and the overall application are robust and easy to manage. A commitment to collaborative problem solving, sophisticated design, and quality products are important.

Responsibilities:

• Developing the latest user-facing features using React.js
• Designing a modern highly responsive web-based user interface
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Learn and understand user interactions
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Coordinating with various teams working on distinct layers
• As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. 

Technical skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Prior experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with more current specifications of ECMAScript
• Prior experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Familiarity with HTML / CSS
• GIT experience is a plus
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end services
• Collaborate with other team members and stakeholders

• Strong understanding of JavaScript, its quirks, and workarounds
• Basic understanding of web markup, including HTML5 and CSS3
• Good understanding and the knowledge of advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues
• Familiarity with JavaScript module loaders, such as Require.js and AMD
• Familiarity with front-end build tools, such as Grunt and Gulp.js
• Proficient understanding of code versioning tools, such as Git
• Good understanding of browser rendering behavior and performance

About Yellow Riddle:

Yellow Riddle is a young, fast-growing, bootstrapped and fun startup with a partly remote team. The founders have both been an active part of the Shopify ecosystem for over two years now consulting over 100+ DTC brands across the globe. We solve complex solutions for our merchants and build best-in-class Shopify websites. Most of our clients are based in the UK, Germany, USA & India.

Check out our website, especially our case studies:

www.yellowriddle.com

About the Role: 

Yellow Riddle is looking for an experienced Front-end Shopify Developer to join our growing team with our increasing volume of Shopify work. Work would be spread across theme customisations, development and more complex migration projects from other CMS platforms to Shopify. One could also expect to be involved in maintenance and iterative site improvements. The key objective of the role is to be able to work on complex project requirements and be able to work across multiple projects.

You'll be a great fit!... if:

• You have strong knowledge in templating languages, and additionally Shopify Templates(Liquid), debugging and front-end skills.
• You know how to set up custom layout/content editors for our clients in Shopify.
• You have hands-on experience with Shopify, including at least two or more large-scale projects.
• You write clean theme code and can add and debug JS.
• You excel working in a remote environment, meaning you’re autonomous, self-driven, responsive, transparent, and self-organised.

Critical Requirements (Must-Haves):

• Minimum 3 years of work experience.
• Excellent verbal and written communication skills in English.
• Ability to demonstrate strong analytical skills & problem solving mindset
• Strong knowledge of HTML, CSS.
• Knowledge of JavaScript and jQuery
• Ability to develop responsive designs from PSDs, Invision or Adobe XD
• Shopify knowledge & ability to work on theme-kit

Preferred Requirements (Nice to Haves):

• Experience of working on Shopify Plus projects

Candidate Attribute (Culture Fit):

• Willingness to learn.

React.js Developer Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React concepts.
• Writing application interface codes using JavaScript following React.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

React.js Developer Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• Previous experience working as a React.js Developer.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.