Frontend Developer- ReactJS

About the Role

We're seeking a talented Frontend Developer to join our engineering team. You'll be responsible for building and maintaining high-quality web applications, collaborating with designers and backend developers to create seamless user experiences.

Key Responsibilities

Development & Implementation

• Build responsive, performant web applications using modern JavaScript frameworks (React, Vue, or Angular)
• Write clean, maintainable, and well-documented code following best practices and coding standards
• Implement pixel-perfect UI designs from mockups and wireframes
• Optimize applications for maximum speed and scalability across devices and browsers
• Integrate RESTful APIs and work with backend teams to define API requirements

Collaboration & Communication

• Work closely with UX/UI designers to translate designs into functional interfaces
• Participate in code reviews and provide constructive feedback to team members
• Collaborate with backend developers to ensure seamless integration between frontend and backend systems
• Contribute to technical discussions and help make architectural decisions

Quality & Maintenance

• Write and maintain unit and integration tests to ensure code quality
• Debug and troubleshoot issues across different browsers and devices
• Stay current with emerging frontend technologies and best practices
• Improve existing codebases through refactoring and optimization

Required Qualifications

• 2-5 years of professional experience in frontend development
• Strong proficiency in HTML5, CSS3, and JavaScript (ES6+)
• Solid experience with at least one modern JavaScript framework (React, Vue, Angular)
• Understanding of responsive design principles and mobile-first development
• Experience with version control systems (Git)
• Familiarity with CSS preprocessors (Sass, Less) or CSS-in-JS solutions
• Knowledge of modern build tools and package managers (Webpack, Vite, npm/yarn)
• Understanding of web performance optimization techniques
• Strong problem-solving skills and attention to detail

Preferred Qualifications

• Experience with TypeScript
• Knowledge of state management libraries (Redux, Vuex, Zustand)
• Familiarity with testing frameworks (Jest, React Testing Library, Cypress)
• Understanding of CI/CD pipelines
• Experience with design systems and component libraries
• Knowledge of accessibility standards (WCAG)
• Experience with Agile/Scrum methodologies
• Portfolio or GitHub profile showcasing relevant projects

Looking for candidates only with tier 1 colleges OR have experience in a product-based company.

You will be designing front-end architecture with architectural guidelines in mind (secure,high-performing, scalable, extensible, flexible, simple).
● Architect, Design and develop front-end applications.

Desired Skills
● Minimum 6+ years of coding experience.
● Strong hands-on experience on React.js, MVC & related JS Frameworks.
● Strong knowledge of HTML5, CSS3, responsive design, single page applications.
● Build a highly scalable product right from scratch.
● Expertise in caching, minification, bundling techniques to improve front-end performance.
● Experience in working with AB Testing.
● Experience in using front-end monitoring tools to troubleshoot errors and recognise performance bottlenecks.
● Strong foundation in computer science fundamentals: data structures, algorithms, and coding.
● Proficient understanding of code versioning tools(GIT, SVN), working experience with Agile methodology and fast iterative development cycles

Responsibilities

• Interact closely with design, product, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
• Review and Optimize application usage, by monitoring key metrics, for maximum speed and scalability
• Mentoring and guiding the team members.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Requirements

• 5+ years of relevant work experience as a web developer, UI developer, Angular Developer or front-end engineer.
• Sound knowledge in HTML, CSS & JavaScript.
• Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system
• Proficient with Typescript (Angular 2 & above)
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system.
• Passionate to create good design and usability
• A team player with excellent communication skills

Responsibilities:

• Be a key player in the entire application development lifecycle, build and maintain excellent react applications with clean code
• Formulating an effective process to implement pixel-perfect UI's that match designs.
• Generating front-end libraries and reusable components for later use. 
• Maximizing performance of components across a wide range of web-capable devices and browsers Skills.
• Working in collaboration with the team members and project managers to develop clean, modern, smooth animations and transitions that provide an excellent user experience.
• Create and maintain workflow with the team for implementing and integrating the third-party APIs and work along with the backend team.
• Flexible in working with a small team of frontend-backend developers, a project manager, and other programmers.
• Liaise with the internal team to produce top-notch prototypes and mock-ups.
• Participating in concepts of new programs, products, or features by monitoring industry development trends and assisting team members for development.
• An understanding of common programming paradigms and fundamental React principles, similar as React components, hooks, and the React lifecycle.
• Discussing and implementing new project management ideas with team and problem-solving skills to overcome obstacles.
• Keep abreast with day to day developments in technology and working with native modules.
• Assist with building estimates and assume accountability for your job and results delivery.
  

Requirements:

• Bachelor’s or Master’s degree in computer science, computer applications or related fields.
• Proven working experience as a React Developer for 3+ years and above.
• Hands-on experience on  HTML5, CSS3, and  CSS frameworks.
• Demonstrable knowledge on  Web services, Web API, REST services & GraphQL.
• Expertise in UI design and development of responsive web applications using React, Redux, Flask and Hooks.
• Applicable knowledge on Social API integration, Core location APIs, Web Views, Payments integration
• Proficiency in understanding of layout aesthetics .
• Excellent analytical, problem-solving and multitasking skills.
• Ability to solve novel and challenging React problems.
• Capability to understand ,develop and sustain continuous integration and delivery.

Role Description

• Make design and technical decisions for AngularJS projects.
• Writing tested and documented JavaScript, HTML and CSS

Duties:-

• Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
• Writing tested and documented JavaScript, HTML and CSS
• Make design and technical decisions for AngularJS projects.
• Develop application code and unit test in the AngularJS, Rest Web Services and Java technologies for the Application Development Center.
• Ensuring high performance

AngularJS Developer requirements and qualifications

• 2-6 years Experience with AngularJS
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Good understanding of AJAX and JavaScript Dom manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, NodeJS, GruntJS)
• Familiar with testing frameworks
• Test runner framework
• Hand on and implements complex AngularJS applications, directives, controllers, services
• Critical thinker and problem-solving skills
• Team player
• Good time-management skills
• Great interpersonal and communication skills

Job description for react js developer

In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

- To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.

React.js Developer Responsibilities :

- Meeting with the development team to discuss user interface ideas and applications.

- Identifying web-based user interactions.

- Writing application interface codes using JavaScript following React.js workflows.

- Developing and implementing front-end architecture to support user interface concepts.

- Documenting application changes and developing updates.

React.js Developer Requirements :

- Bachelor's degree in Computer Science, Information Technology, or a similar field.

- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.

-Familiarity with code versioning tools such as Git, SVN, and Mercurial popular frontend development tools, CI/CD tools, DevOps.

- Excellent troubleshooting skills.

Interview Kickstart is one of the leading platforms helping Software Engineers prepare for tough technical interviews. Over the last 5 years we have helped over 3000 engineers Nail the toughest technical interviews on the planet. We are successful, profitable, and have a vision of building the world's largest Career Upleveling platform. 

We are looking for top-notch, motivated engineers to come join our growing team at IK.

Who you are

• You have 2 - 7 years experience.
• You love the buzz of a highly productive and fast moving team.
• Strong product and design sensibilities and an obsessive attention to detail.
• You have a get-things-done attitude and deep empathy for users and fellow teammates.
• You can write testable, maintainable code that’s easy to understand.
• You love coding and look forward to taking on complex, abstract features.
• You don't care about front end, backend kinda titles. You like working anywhere in the "stack".
• You are looking to grow fast with a company that's on a rapid growth path.

What will excite us

• Previous startup experience or experience being part of early teams.
• Experience with the Django & Python universe.
• Experience with both Relational and NoSQL DBs.
• Competitive Programming experience.
• A keen desire to problem solve, brainstorm and debate during the interview.

What will excite you

• Complete ownership
• Experiment, fail and learn.
• High pedigree, high caliber team.
• Contribute to every area of our business. Have a real impact with your work.
• Top of the line compensation.

Requirements

• 3+ years of experience developing modular front-end components using HTML, CSS, JavaScript/Jquery, JSON and micro formats.
• 2+ years of experience in React.
• Played with Webpack and Modular architecture.
• Solid understanding of user-centered design principles.
• Experience in cross-browser compatibility.

Our interview process is designed to help you show the best version of yourself. Once your candidature is finalized, we'll send you a short video explaining the interview process.

Look forward to speaking with you soon!