Senior Software Engineer (Front-End/React.js) | Holofy London

Key Responsibilities:

• Develop and maintain user-friendly web interfaces using HTML, CSS, and JavaScript.
• Utilize modern frontend frameworks (React.js or Vue.js) to build dynamic and responsive web applications.
• Implement and manage API calls and integrate GraphQL for efficient data querying.
• Utilize state management libraries (such as Redux or Vuex) to maintain application state.
• Optimize web applications for performance and scalability.
• Use local storage and session storage for efficient data management.
• Collaborate with backend developers to integrate with RESTful APIs.
• Ensure cross-browser compatibility and resolve any UI/UX issues.
• Write clean, maintainable, and well-documented code.
• Participate in code reviews and contribute to team knowledge sharing.
• Stay updated with the latest industry trends and technologies to ensure we are using the best tools and practices.

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent work experience).
• 2-3 years of professional experience in frontend development.
• Proficiency in HTML, CSS, and JavaScript.
• Experience with at least one modern frontend framework (React.js or Vue.js).
• Strong understanding of responsive design principles and mobile-first development.
• Experience with API integration and GraphQL.
• Knowledge of state management techniques and libraries (e.g., Redux, Vuex).
• Familiarity with local storage, session storage, and other web storage techniques.
• Excellent CSS skills with a focus on UI design and aesthetics.
• Good understanding of version control systems (e.g., Git).
• Strong problem-solving skills and attention to detail.
• Ability to work collaboratively in a team environment and communicate effectively.

Preferred Qualifications:

• Experience with TypeScript.
• Familiarity with CSS preprocessors such as SASS or LESS.
• Knowledge of frontend testing frameworks (e.g., Jest, Mocha).
• Understanding of build tools and bundlers like Webpack or Gulp.
• Experience with CI/CD pipelines.
• Knowledge of web accessibility standards and best practices.

Experience:

• Very strong hands on experience of web and mobile technologies: - HTML JavaScript,  HTML5/CSS3,OOJS.

• 5 + years of UI Development Experience using JavaScript Frameworks

• 3+ years of Angular Development Experience

• Strong in OOJS(Mandatory)

• Has implemented coding patterns and built UI framework

• Deep knowledge of AngularJS 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

• Creating custom, general use modules and components which extend the elements and modules of core AngularJS

• Creating configuration, build, and test scripts for Continuous Integration environments

• Cooperating with the back-end developer in the process of building the RESTful API

Roles & Responsibilities:

• Leverage the inbuilt React toolkit for creating frontend features
• Create data visualization tools, libraries, and reusable code for prospects
• Integrate designs and wireframes within the application code
• Monitor interaction of users and convert them into insightful information
• Write application interface code with JavaScript
• Enhance application performance with constant monitoring
• Translate wireframes and designs into good quality code
• Optimize components to work seamlessly across different browsers and devices
• Good understanding of CSS libraries, GIT, Sigma, Adobe XD etc.
• Proper user information authentication
• Develop responsive web-based UI
• Constant interaction with other developer teams and design team to discuss UI ideas
• A thorough review of applications needs and interfacing elements
• Translating designs and wireframes into high quality code
• Follow proper documentation for changes in application and further updates

ReactJS Developer Skills

• At least 1+ years of experience as a React.js developer.

• Must have good communication skills in English. 

• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
• Preceding experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries
• Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, SVN, etc., popular frontend development tools, CI/CD tools, DevOps, performance testing frameworks like Mocha, Node + NPM
• Open-minded team player, willing to accept feedback and offer suggestions
• Good time management, project management, communication, and interpersonal skills
• Capability to write crisp and clear code based on guidelines and best practices
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Willingness to learn modern-day tools and processes
• Good problem-solving, troubleshooting skills
• Creativity and accountability

#Benefits to Joining us:

- 5 Days Working

- 250 + Brains

- Overtime Pay

- Health Insurance for you & your family

- Leave Encashment

- Flexible job timings

- Monthly celebrations

#Interested..? Then plz apply with the below details:'

Total Work Experience?

Mention years of experience in React js –

Mention years of experience in Node js –

Current CTC:

Expected CTC:

Notice Period:

We are looking for a great JavaScript developer who is proficient with React.js and React Native. His/her primary focus will be on developing user interface components and implementing them following well-known React.js workflows.

Responsibilities:

• Developing new user-facing features using React.js and React Native.
• Work with Bright's design team to build excellent UI components.
• Building reusable components and front-end libraries for future use.
• Architect, build and maintain excellent javascript/React Native applications with clean code.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixesReact Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Requirements:

• Strong proficiency in JavaScript and CSS .
• Thorough understanding of React/React-Native and its core principles.
• Past experience with building Customer Facing UI components.
• Some experience with UI design and related tools.
• Knowledge of automation testing framework using any technology for web and mobile apps is a plus.
• Knowledge of Database basics, SQL queries, etc.

• Very Strong communication and consulting skills
• Strong front-end development skills, experience with JavaScript libraries/frameworks mainly Angular JS Preferably Version 7 or Version 5
• Experience working with server-side JavaScript Frameworks and build tools (node.js, bower, grunt, gulp)
• Demonstrable experience developing large-scale applications using one or more MV* patterns (MVVM, MVC, MVP)
• Expertise in developing single page web applications using front-end routing, consuming JSON-based RESTful APIs, client-side templating
• Strong competency in responsive layouts leveraging CSS and media queries and related UI frameworks (e.g., Bootstrap, Foundation)
• Experience with CSS preprocessors (e.g., Sass, LESS)
• Experience with code analysis tools (e.g., JSLint, JSPerf)
• Practical knowledge of web page optimization techniques and guidelines for fast page load times
• Strong understanding of Ajax and/or promises
• Experience working in an agile, multidisciplinary team.
• Experience working with a distributed version control system (git, mercurial)
• Experience writing unit tests in one or more of the following: karma, mocha, chai, sinon, jasmine, jest
• Experience working on AWS. Basic understanding of Security Groups/ VPC etc.
• Experience on working with & integrating with microservices
• Experience on developing/ using CI/CD pipeline using Jenkins/ Git