Senior UI Frontend Developer

Job Description:

Job Title: Frontend Developer

Location: Kolkata

Experience: 1-2 years

Job Description:

We are looking for a talented Frontend Developer who is passionate about building high-performance, user-friendly, and scalable web applications. You will play a key role in architecting and implementing clean UI/UX experiences using modern frontend technologies.

If you enjoy solving complex problems, writing clean code, and working in a fast-paced product environment, this role is for you.

Key Responsibilities:

• Develop responsive, modular, and scalable UI components using React.js and Next.js (App Router).
• Implement reusable form logic using React Hook Form with schema validation using Zod.
• Manage data fetching, caching, and synchronization using React Query.
• Work with Redux Toolkit or Zustand for state management depending on project needs.
• Build dynamic and efficient tables and data grids using TanStack Table.
• Collaborate with designers and translate Figma designs into pixel-perfect, responsive UI using Tailwind CSS, Shadcn, and custom CSS.
• Ensure high-quality code with TypeScript, following best practices and strong typing.
• Optimize performance and maintain application scalability.
• Participate in code reviews, contribute to architecture decisions, and follow coding standards.
• Work closely with backend engineers to integrate APIs and improve the overall product experience.
• 
  

Required Skills & Experience:

• Strong proficiency in Next.js (App Router), React.js, JavaScript, and TypeScript.
• Hands-on experience with Zod for schema validation.
• Practical knowledge of React Query for server state management.
• Strong understanding of Redux Toolkit and Zustand.
• Expertise in React Hook Form for handling forms at scale.
• Experience with TanStack Table for complex table functionalities.
• Solid understanding of Tailwind CSS, CSS, and component libraries like Shadcn.
• Ability to convert designs from Figma into functional UI.
• Good understanding of modern frontend architecture, state management, and best practices.

• Proficiency in Angular (v8+) and TypeScript.
• Strong knowledge of HTML5, CSS3, and JavaScript/ES6+.
• Hands-on experience with RxJS for reactive programming.
• Experience with state management libraries like NgRx or similar.
• Familiarity with RESTful APIs and JSON data structures.
• Understanding of authentication and authorization mechanisms (OAuth, JWT).
• Experience with Angular CLI for project setup and management.
• Proficiency in browser developer tools for debugging.
• Strong experience with Jasmine, Karma, or other testing frameworks.
• Familiarity with build tools like Webpack or Vite.
• 
  

·      7+ years of professional experience in front-end development.

·      5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain responsive, high-performance web interfaces using React.js
• Translate UI/UX designs into pixel-perfect, reusable front-end components
• Optimize components for maximum performance and cross-browser compatibility
• Integrate front-end components with backend RESTful APIs
• Collaborate with design, backend, and QA teams to deliver seamless user experiences
• Participate in code reviews, testing, and agile development ceremonies

Required Skills

• Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
• Experience with state management libraries such as Redux or Zustand
• Solid understanding of responsive design and cross-browser compatibility
• Familiarity with RESTful APIs and API integration
• Knowledge of version control systems like Git
• Understanding of performance optimization, debugging, and front-end testing practices

Responsibilities:

• Working closely with product, design and development team to achieve high cohesion across features and;
• Feasibility analysis of the technical requirements and web designs;
• You will be responsible to develop and contribute towards consumer-facing web application;
• Writing modular code to achieve loose coupling and reusability of modules across application;
• Architecting, prototyping and implementing high-impact modules for our end users;
• UI/UX.

Requirements:

• High Proficiency in frontend technologies like Angular, React JS, Vue.Js Redux etc.;
• Good design skills and knowledge and experience working with UI design patterns and frameworks;
• Good understanding of fundamental design principles behind a scalable application;
• 3-5 years of strong hands-on experience in Angular and React.

UI Architect / Developer

1.       A must have skills is Angular. NodeJs preferred but can be replaced with anything on server side scripting.  

a.       70% work for this role in angular based. At architect role without server side scripting understanding doesn’t a right fit. 

b.       Someone who can take sound decision for overall interaction with backend.  

c.        There are components written in node (Control Manager and aith server) which we have intentions to align with UI architect.  

d.       Given Node is technology primary in java script (same as angular), generally we are seeing people who have earlier exposure or are confident to pick it with little learning. But we would not penalize anyone who is week in node, but champ in angular for this role. 

2.       Design , develop and maintain client facing web applications. 

3.       Cooperating with backend developers in the process of building REST APIs. 

4.       Should demonstrate deep understanding of the following: 

·         Design - HTML/CSS  

·         Frontend languages - Experience with Javascript  and related frameworks - Angular(7/8/9), Angular Material, Bootstrap(or similar CSS frameworks), Node JS (preferred but not mandatory). 

·         Test frameworks - Mocha, Chai, Jasmine, Karma 

To be shared by you - 

1.     Can you lead frontend-backend integration? 

2.     Can you use linux machines? 

3.     Are you aware of websockets? 

4.     Has you workedon binary data communication over websockets? 

5.     Do you understand different types of communication protocols available between frontend-backend and it's working? 

6.       Do you have experience on electron framework? 

7.       Highest team size managed by you.

• Responsible for the implementation of end-to-end modules starting from user interface, business logic layer and database layer.
• Proficient in HTML, javascript.
• React JS experience is an added advantage.
• Assists in research, design, documentation, and modification of software specifications throughout the software development life cycle.
• Analyzes, troubleshoots, and optimizes code.
• Participates in requirements gathering meetings and produces technical documentation as needed.