React.js Developer(Front End developer)

Job Title: Senior React.js Developer

Experience: 5+ Years

Location: Pune

Employment Type: Full-Time

Job Summary:

We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.

Key Responsibilities:

• Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
• Integrate wireframes and UI/UX designs into functional front-end interfaces
• Ensure cross-browser/platform compatibility and responsive design
• Optimize apps for speed and scalability
• Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
• Integrate with RESTful APIs and backend services
• Maintain code quality and performance standards
• Collaborate with designers, product managers, and backend engineers
• Mentor junior developers and contribute to best practices

Required Skills:

• 5+ years in front-end/UI development
• Strong in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux, SASS/LESS, REST APIs
• Familiarity with performance optimization tools
• Solid understanding of UI/UX design principles
• Excellent communication and team collaboration skills
• Bachelor’s degree in Computer Science or related field

Role: Sr. Frontend Developer

Exp: 6- 9 Years

CTC: up to 30 LPA

Location: Bangalore

What we Require

• To convert our existing web application into a micro front-end architecture. The ideal candidate should have experience in AngularJS, ReactJS, MobX, and SCSS. Exposure to socket integration, mqtt integration would be a plus.
• Identify our existing web application’s different components and modules. Separate them into independent micro front-ends.
• Develop and maintain micro front-ends using AngularJS, ReactJS, MobX and SCSS
• Implement and configure Module Federation in Webpack 5 to share components between micro front-ends.
• Optimize micro front-ends for maximum speed and scalability.

We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.

Key Responsibilities:

• Develop cross-platform mobile applications using React Native and JavaScript
• Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
• Work with APIs using fetch, async/await, and implement robust error handling
• Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
• Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
• Handle accessibility, dark mode, safe areas, notches, and orientation changes
• Implement animations using Animated API and LayoutAnimation
• Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
• Integrate third-party libraries, native modules, or write custom native bridges as needed
• Handle OTA updates, app size optimizations, and splash screens for both platforms
• Set up automated testing using tools like Detox or Appium
• Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
• Write clean, modular, and reusable code following patterns like atomic design or MVVM

Front-End Developer Job Description

We are looking for programmers with a keen eye for design for the position of a frontend developer. Front-end developers are responsible for ensuring the alignment of web design and user experience requirements, optimizing web pages for maximum efficiency, and maintaining brand consistency across all web pages, among other duties. Front-end developers are required to work in teams alongside product managers, back-end developers and graphic designers to ensure all elements of web creation are consistent. This requires excellent communication and interpersonal skills.

Front-End Developer Responsibilities:

Determining and creating scalable structure and design of web pages.

Building and maintaining reusable code for future use.

Ensuring web design is optimized for smartphones.

Optimizing web pages for maximum speed and scalability.

Actively participate in design and code reviews to build robust applications

and prototypes

Striking a balance between functional and aesthetic design.

Troubleshooting and debugging existing applications.

Following standard predefined design guidelines.

Delivering assigned tasks on time.

Front-End Developer Requirements:

Proficiency in HTML, CSS, and JavaScript. And knowledge of JavaScript frameworks such as ReactJS, and VueJS.

Knowledge of typescript, es-lint, webpack and bundling of applications.

Familiarity with CSS frameworks such as CSS, less.

Experience with responsive and adaptive design.

Degree in B. Sc (IT or CS), BCA, MCA, MSc, BE, ME

Knowledge of agile development methodology.

Good problem-solving and interpersonal skills.

Excellent verbal communication skills.

Key Skills/ Knowledge:

• Experience with React or any JS frontend frameworks
• Experience with, HTML5, CSS3 and CSS pre-processor like SASS or LESS.
• Proficient in JavaScript, including DOM manipulation
• Understanding of React and its core principles
• Experience with React workflows (such as Redux)
• Familiarity with the newer specification of JavaScript (ES6 or newer)
• Experience working with JSON
• Experience building accessibility compliant web applications
• Familiarity with code versioning tools (git)
• Familiarity with browser testing and debugging
• Familiarity with unit testing
• Experience working in an Agile environment
• Ability to understand business requirements and translate them into technical requirements

Job Description: React JS Developer (8+ years) with Strong Next JS Experience

Location: Remote/Gurgaon (GGN)

Shift: 5:30 pm to 2:30 am

Maximum Budget: 15 LPA

We are looking for a highly skilled and experienced React JS Developer with a strong background in Next JS. As a React JS Developer, you will be responsible for developing high-quality web applications using React JS and Next JS frameworks. This is a remote position with an option to work from our office in Gurgaon.

Responsibilities:

• Develop responsive web applications using React JS and Next JS frameworks.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Translate designs and wireframes into high-quality code.
• Write clean, maintainable, and efficient code.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and address performance bottlenecks.
• Participate in code reviews to maintain code quality standards.
• Troubleshoot and debug issues reported by the QA team or end-users.
• Stay up-to-date with the latest industry trends and technologies related to React JS and Next JS.
• Mentor junior developers and provide technical guidance when needed.
• Work in a fast-paced, agile development environment.

Requirements:

• Minimum 8 years of experience as a React JS Developer.
• Strong hands-on experience in Next JS is a must.
• In-depth knowledge of React JS and its core principles.
• Proficient understanding of web markup, including HTML5, CSS3.
• Familiarity with RESTful APIs and asynchronous request handling.
• Experience with popular React JS workflows (such as Redux).
• Familiarity with code versioning tools such as Git.
• Experience with optimizing web applications for maximum speed and scalability.
• Excellent problem-solving and analytical skills.
• Good communication and interpersonal skills.
• Ability to work independently as well as in a team.
• Immediate joiners preferred.

We offer a competitive salary package with a maximum budget of 15 LPA, commensurate with skills and experience. This is an excellent opportunity to join a dynamic team and work on challenging projects in a remote or Gurgaon-based environment.

If you meet the above qualifications and are eager to contribute to our organization's success, please submit your resume and portfolio. We are looking for immediate joiners, and the selection process will be expedited for such candidates.

We are hiring ReactJS Developers.

Experience - 3-5 years

Location - Ahmedabad

5 Days working 

Required Skills:

• Should be able to do code review and deployments.
• Should have experience in JavaScript, including DOM manipulation and the JavaScript object model.
• Thorough understanding of React.js and its core principles along with React-hooks, CSS3, and HTML5.
• Experience with popular React.js workflows ( Redux - Saga )
• Familiarity with newer specifications of ECMAScript 6
• Experience with data Structures libraries ( e.g., Immutable.js )
• Familiarity with RESTful APIs
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such GIT.
• Familiarity with tools like React-Redux, immer, Qwest, connected-react-router, TSlint
• UI frameworks like Material UI and Kendo UI
• Familiar with Unit testing libraries like Jest-dom etc
• Familiar with browser-based debugging tools like React DevTools, React Developer tools, etc.
• Familiar with Webpack

Senior Software Engineer, Frontend

https://www.alivecor.com/">AliveCor, the pioneer of the smartphone EKG, with millions of EKGs from a large and growing user base, seeks a Senior Software Engineer (Front-end Applications) to contribute to the Applications team. You will be an integral member of our engineering team, responsible for developing industry-leading web applications that transform the healthcare industry and affect the way consumers use, engage, and act on their health data.

• Passionate about User Experience.
• Has great verbal and written communication skills to engage directly with your peers.
• Understands and is thoughtful about engineering trade-offs
• Experience building web applications with cross-browser support and RESTful API integrations
• Commitment to delivering results.
• Passionate about continuous improvement.

• B.E in Computer Science or a related discipline, or related practical experience.
• 5-8 years of Frontend development experience with at least 2 years working as a React.js Developer.
• A strong grasp of software engineering and web application development fundamentals, including JavaScript (ES5, ES6), HTML and CSS.
• Aptitude to learn new technologies (e.g. ES.Next).
• Excellent troubleshooting skills.
• Familiarity with RESTful APIs to connect the Front-end applications to backend service
• Bonus points for:
• Publicly available web applications, portfolios, or examples available on a source repository (e.g. GitHub, GitLab, Bitbucket)
• An interest in data visualizations using JavaScript libraries such as D3, Highcharts, and others
• Experience managing front end tooling (e.g. gulp, grunt, webpack, post-CSS, service workers)
• Experience with performance analysis and tuning of web application
• Experience developing back end server APIs and/or server-side rendering

AliveCor is on a mission to define modern healthcare through data, design and disruption. We’ve pioneered the creation of FDA-cleared machine-learning techniques, transformed wearable medtech to put proactive heart care at everyone’s fingertips. Kardia is the most clinically validated mobile EKG technology. AliveCor was named as one of the Top 10 Most Innovative Companies in Health for 2017 by Fast Company as part of the publication’s annual ranking of the world’s Most Innovative Companies. AliveCor was awarded the 2015 Tech Pioneer by the World Economic Forum and one of the 50 Smartest Companies in 2015 by the MIT Technology Review. AliveCor recently announced a collaboration with Mayo Clinic that will result in new machine learning capabilities to unlock previously hidden health indicators in EKG data, potentially improving heart health as well as overall health care for a variety of conditions. AliveCor is a privately held company headquartered in Mountain View, CA.

AliveCor is an equal opportunity employer and will not discriminate against any employee or applicant on the basis of age, colour, disability, gender, national origin, race, religion, sexual orientation, or any other classification protected by federal, state, or local law.

Watch the following video demonstrating our product.

https://www.youtube.com/watch?v=8I9xosgA-Ig">KardiaMobile: How's your heart?
https://www.youtube.com/watch?v=8I9xosgA-Ig