React.js Developer Responsibilities:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.
- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
React.js Developer Requirements:
- Bachelor’s degree in Computer Science, Information Technology, or a similar field.
- Previous experience working as a React.js Developer.
- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.

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Required Skills and Experience:
- 5 - 11 years of experience in front-end development, with a strong focus on React.js.
- Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
- Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
- Hands-on experience with RESTful APIs, Server Sent Events, WebSocket's
- Hand’s on experience with web components, micro frontends
- Deep understanding of browser apis like history, intersection observer, event handling, virtual panes, drag and drop etc
- Ability to work on a complex and fast moving code base.
- Familiarity with TypeScript and its integration with React applications.
- Strong problem-solving skills and attention to detail.
Job Description:
We are looking for good JavaScript developers who are proficient with React.js.
Responsibilities
- Developing new user-facing features using React.js.
- Have 2-4 years of experience.
- 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
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Experience with data structure libraries (e.g., Immutable.js
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- A knack for benchmarking and optimization
Role
Front-end engineers at AssetSprout work on our products. They include software for Certified Financial Planners, their clients, and also internal admin tools. They work with the founders, product designers, and backend engineers and deliver towards the company’s vision.
Responsibilities
- Develop and own product features end to end in a scalable, secure and maintainable way. The buck stops with you on whatever you own.
- Provide technical solutions through design, architecture and implementation. Wear multiple hats in delivering greenfield projects from concept to production.
- Work with the product and design team in understanding and shaping the customer experience.
- Establish, advocate and bring your experience on coding styles, best practices, and in scaling the product from MVP to production.
- Iterate fast. Display maturity in prioritizing towards velocity while balancing quality. As a startup, we break or make on how fast we deliver.
- Teach and mentor other front-end engineers. Focus on providing technical expertise and solutions regardless of how long one has been working professionally.
Requirements
- Professional experience working with any of the front-end frameworks such as React, Angular, Vue, Ember etc.
- Solid expert level understanding of Semantic HTML, CSS and JavaScript concepts.
- Have written automated tests with any of the frameworks such as Jest, Mocha, Jasmine, AVA, Karma etc.
- Able to use CI/CD tools such as CircleCI, GitLab, Jenkins etc. and create workflows and pipelines to release to production every other day.
- Good understanding of how a browser parses and renders a web page.
- Understand HTTP requests, Restful APIs and web applications.
- Strong understanding of AWS cloud computing platform and being able to leverage its various services such as CodePipeline, CodeBuild, EKS, ECS etc.
Good-to-haves
- Early or mid-stage startup experience
- Eager to work in a flat organization with no corporate politics
- Positive energy with a get-it-done attitude.
- Worked in a remote environment and high trust and high responsibility role
- Working knowledge of build systems like Gradle, Maven, Bazel, Webpack etc.
- Understand databases, RDMS, and work with SQL
- 2+ years of experience as a react/react-native developer
- Must have skills: ReactJS
- Deep understanding of javascript, typescript and react
- Familiarity with multiple state management techniques
- Knowledgeable about design patterns and their utility in day to day problems
- Worked on and shipped large scale react/react-native applications
- Great product sense; you care about usability and good design
- Strong communication skills
- Bonus if you have worked on Android/iOS apps or nodejs backend.
Roles & Responsibilities
- Work collaboratively with everyone in the team to deliver best in class user experience
- Write well-crafted, well-tested, readable, maintainable code in typescript and react-native
- Implement pixel perfect designs with advanced interactions, which are a joy to use
- Implement unit and UI automation tests
- Own a feature end to end and ensure its usability
- Continuously discover, evaluate and implement new technologies to enhance user experience
- Support other developers on the team with code reviews, design feedback, and other advice and guidance
Requirements:
- Previous experience working as a React.js Developer.
- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack and Redux is a must.
- Experience with REST APIs
- Proficient understanding of code versioning tools
- Ability to translate designs into code
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
Who we are
Jivox is transforming the way the world experiences digital marketing. We connect brands with their audiences in the most personalized way: using big data, AI/machine learning, Dynamic Creative Optimization (DCO), customer journey optimization, and identity technologies to deliver omni-channel precision marketing.
Recognized as a leader in creative advertising technologies by Forrester Research, Jivox delivers 1:1 messaging throughout the customer journey, seamlessly linking paid and owned media. Our portfolio of global clients includes the likes of Marriott, Mazda, Unilever, Nestle, IBM, Vodafone, and Heineken.
A Powerful Dynamic Creative Personalization platform serves millions of ad impressions a day and evaluates 30 billion+ rules / day. Our proprietary machine learning technology, powers personalization in real-time, creates personalized experiences across all channels including display, video, native and social.
Experience: 2 to 5 years of experience
Relevant experience in Javascript: Min 1 year
Must Have
- Hands-on in HTML5 and CSS3 and JavaScript
- Knowledge of jQuery, GreenSock, JSON and XML
- Good to have cross-browser / Cross-platform compatibility knowledge.
- Unit testing skills
- Debugging skills
- Know how to slice and dice images using Photoshop
- Should able to write the code using the mentioned technologies and should be able to debug over multiple OS across browsers
Good to Have
- Experience in PHP, MySQL
- Knowledge of Adobe Animate (Canvas)
- Knowledge of Adobe Edge
- Knowledge of Google Web Designer (GWD)
- Knowledge in Digital Marketing
Soft Skills requirement:
- Excellent and effective communication skills.
- Good interpersonal skills.
- Be flexible and approachable at all times.
Education: Bachelors degree in Engineering or equivalent experience within the field.
● Design overall architecture of the web application.
● Maintain quality and ensure responsiveness of applications.
● Collaborate with the rest of the engineering team to design and launch new features.
● Maintain code integrity and organization.
● Experience working with graphic designers and converting designs to visual elements.
● Understanding and implementation of security and data protection.
● Highly experienced with front-end programming languages - HTML, CSS JavaScript, etc
● Proficient experience using - advanced JavaScript libraries and frameworks
Development experience for both mobile and desktop.
● Knowledge of code versioning tools such as Git
Requirement -
● Proven work experience as a Front-end developer
● Hands on experience with markup languages
● Experience with JavaScript, CSS and HTML
● Wordpress would be an added advantage.
● Prefer from Tier One college like ( IIIT, NIT, IIT, NSUT, DTU..etc )
● Familiarity with browser testing and debugging
● In-depth understanding of the entire web development process (design, development
and deployment)
● Understanding of layout aesthetics
● An ability to perform well in a fast-paced environment
● Excellent analytical and multitasking skills
● B. Tech. in computer science Preferred.

Build large scale web applications with Single Page Applications (SPA) architecture.
Experience to develop MV(C) based front end frameworks.
Experience with JavaScript, HTML, CSS.
Experience with JavaScript frameworks like Angular, preferably React.JS.
Good understanding of asynchronous request handling, partial page updates, AJAX and Redux.
Proficient with Chrome Developer Tools.
Additional Preferred Qualifications
Experience in Restful API services.
Experience in using performance, analytics and UX tools.
Experience with pull request process and contributing to OSS on github.com.
Experience with unit testing frameworks Mocha and Chai.
Experience with Jenkins.









