React JS Developer

Job Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

·      JavaScript, Typescript

·      Any UI Framework (web components) - primarily React.js

·      Rxjs

·      State Management frameworks - redux

·      Design Patterns

·      Jest / WTR for testing

·      Playwright, cypress - functional tests (good to have)

• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Deep knowledge of React practices and commonly used modules based on extensive work experience
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Proficiency with JavaScript and HTML5
• Creating custom, general use modules and components which extend the elements and modules of core React
• Delivering a complete front end application

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Good Experience in Next.js
• 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)

1) Understand client requirements and functionalities. 

2) Write well-designed, testable, efficient code. 

3) Responsible for solving complex technical issues. 

4) Ensure quality projects are delivered within defined timelines. 

5) Active involvement in client communication to understand functional requirements. 

6) Maintain high standards of quality for code, documentation and other deliverables. 

Required Skills 

1) Good experience in Angular Latest Versions 

Job Description

We are looking for an expert JavaScript developer who is skilled with Vue.js or ( Angular or React latest). Your primary focus will be developing user-facing web applications and components. You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team members, including back-end developers and UX/UI designers. Your commitment to team collaboration, perfect communication, and a quality product is crucial.

Responsibilities

• Developing user-facing applications using Vue.js
• Building modular and reusable components and libraries, Optimizing your application for performance
• Designing features and applications for mobile and multiple screen sizes
• Implementing automated testing integrated into development and maintenance workflows
• Staying up-to-date with all recent developments in the JavaScript and Vue.js space
• Creating prototypes for testing for functionality testing

Skills

• Highly proficient with the JavaScript language and its modern ES6+ syntax and features
• Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM
• Familiarity with the Vue.js ecosystem or any other latest versions fronted js like Angular and react
• Good understanding of HTML5 and CSS3, including SASS, SCSS
• Understanding of server-side rendering and its benefits and use cases
• Knowledge of functional programming and object-oriented programming paradigms
• Ability to write efficient, secure, well-documented, and clean JavaScript code
• Familiarity with automated JavaScript testing
• Proficiency with modern development tools, like Git
• Experience with both consuming and designing RESTful APIs

Experience

• 4+ Years of experience in UI development role in product based organization.
• Should possess experience in handling a team of developers.

Job Description:

You will be responsible for maintaining and scaling a high quality React Native social media Application.

Technical

Candidate should have:

• Built end-to-end React Native application with at least 5K users or more
• 1-4 years work experience in developing Android & iOS apps using React Native, React.js
• Thorough understanding of React Native and its core principles
• Knowledge of how to integrate SDKs like Firebase, Mixpanel, OneSignal, Branch
• End to end feature development for the stories provided
• Has implemented local data storage, caching, app optimization techniques
• Knows how to write unit test cases.
• Aware of app store build forming and release process
• Knowledge or experience with User Interface and Visual Design principles and techniques
• Understanding of software development lifecycle and version control (preferably Git)
• Must have experience in delivering software via complete Continuous Integration and Continuous Delivery (CI/CD) pipeline

Non-Technical

The ideal candidate joining us will be:

• a keen observer and a good problem solver with good communication skills
• ambitious, self-driven & equally a fun-loving team-player
• The ability to own end to end responsibility - right from requirement to release

Experience

• React Native: 2 years (Required)
• React Hooks/Redux: 1 year (Required)
• React.js: 2 years (Required)
• HTML/CSS/Bootstrap/jQuery: 1 year (Preferred)
• Jest/Enzyme or any other tool for unit/functional: 1 year (preferred)
• Git/Gitlab: 1 year (Required)
• Firebase, Branch: 1 year (Preferred)

About Clan:

Clan is a QnA social media platform with invite-only access to 1% intellectuals in India. We aim to make social media much more civil and meaningful.

Compensation: 40k-50k

• 2-4 years of work experience, preferably in a startup
• An engineering degree preferably, from a top-tier school (or equivalent experience)
• Hands-on experience in the JavaScript ecosystem, libraries, and tooling (ES6/7), React.js, and Redux
• Knowledge of React Hooks is an added advantage.
• Expert knowwledge of HTML/CSS, web standards, best practices
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• An experience of writing clean, well documented, semantic code with responsiveness and cross-browser compatibility in mind
• Ability to improvise, troubleshoot, and learn new skills on the job.
• Proficient understanding of code versioning tools, such as Git/SVN
• Excellent coding and debugging skills
• A passion and the ability to make beautiful, smooth, delightful web experiences
• A "Will Do" attitude

• A team of aces, from top-tier schools and startups, to work with
• A fast-paced, data-driven, and fun work environment
• A huge appetite for new, disruptive, creative, and implementable ideas
• An open work culture

• Competitive salary
• Great working environment, opportunity to work directly with the founders on very exciting real-life problems.
• Opportunity to grow really fast.
• Opportunity to hire a team & mentor them in the future.
• ESOPs

1. Shortlist
2. Intro call of 15min
3. Assignment
4. 1-2 Tech rounds
5. HR round
6. Offer rollout