
➢ Expert in React JS with about 4 years of experience
➢ Experience in using libraries like D3, Material UI, style sheets and theme management
➢ Should be able to understand requirements & design, develop efficient React JS Code, should have used tools to automate the test and deployment to production
➢ Should have good knowledge on REST APIs, Error handling and writing Unit and Integration Tests
➢ Knowledge of Java is desirable
Responsibilities
➢ Understand the Visual Designs, Functional Requirements and come up with the design/components needed to build the user interface.
➢ Work with Visual Designers to understand the graphic design patterns, themes, and implement in a structured way in the product front end
➢ Work with server side microservices team to develop the JSON contracts
➢ Develop efficient React JS code to implement these requirements
➢ Automate the testing and deployment of these components to production

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ReactJs Developer
Key aspects of this role:
• 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.
To be the right fit, you'll need:
• Minimum 4+ years relevant experience in application development and React JS.
• Knowledge of React hooks such that use Context, use Reducer, use Effect.
• Knowledge of React props and state management (both functional and class component)
• Strong understanding of Error boundary concept of react.
• Work experience with any react based UI library or Redux is preferable
• Experience in building cross-browser layouts with CSS and HTML
● Developing user-facing features using ReactJS and Redux
● Building reusable components and front-end libraries for future use
● Translating wireframes and mockups intto high-quality code
● Optimizing components for maximum performance across a vast array of web-capable
devices and browsers
● Contribute to all phases of the development lifecycle.
● Write well designed, testable, efficient code.
● Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review.
● Work in an Agile model, maintaining and following the Sprint cycles, plans and ensure
product quality.
Skills and Qualifications:
● Thorough understanding and experience of Angular 5/6/7 and its core principles
● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript
object model
● Familiarity with newer specifications of ECMAScript (preferably ES6) API.
● Understanding of CSS box model.
● Experience in writing modular and maintainable code.
● Experience with data structure libraries (e.g., Immutable.js)
● Experience with RESTful APIs
● Knowledge of modern authorization mechanisms, such as JSON Web Token
● Familiarity with modern front-end build pipelines and tools
● Experience with front-end development tools such as Babel, Webpack, NPM, etc.
● Ability to understand and translate business requirements into technical requirements
● A knack for benchmarking and optimization
● Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Job Description - UI Developer
● Experience with popular React.js workflows (such as Flux or Redux) is good to have
● Good and Effective communication Skills
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 (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Angular JS applications
• Excellent application system design and development skills
• AngularJS
• JavaScript
• HTML, CSS
• JQuery
• Good experience on working in Java Applications.
• Good Knowledge on Java.
• Ability to adapt quickly to an existing, complex environment and learn new concepts / software
technologies as needs arise.
• Individual contributor who can work on end to end project development.
As a Senior Experience Technologist, you’ll be working as part of an agile team with other passionate, driven, and talented people, creating innovative solutions for our clients. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using Sapient as well as industry best practices to deliver high value and quality to Publicis Sapient clients.
What are we looking for in you?
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Knowledge & experience of the below skills will earn additional brownie points:
• Logically understands relational databases like MySQL and non-relational databases like MongoDB and can manage to work with it.
• Hands-on experience with GraphQL.
• Hands-on experience working with client-side templating languages like Handlebars, Mustache, etc.
• Hands-on experience with Functional Programming (FP)
• Hands-on experience working with frontend build systems and automating the same using any task runner
• Understanding of hybrid vs native mobile apps – and pros/cons with respect to PWA.
Hands-on experience working with server-side JavaScript frameworks like Express, Koa, Hapi etc. (based on Node.js
• Good understanding of REST APIs and Microservices. Should have an understanding of how resources are organized and how an application should align based on the same. You are expected to have an understanding of how CRUD operations map to HTTP methods for a well-designed service.
• Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed in the context of a module (e.g. Jenkins / Travis / Now.sh / Gitlab)
• Experience with configuring Webpack from scratch and working knowhow of Rollup / Parcel.
Education:
Bachelors in Computer Science or equivalent education covering Math, Algorithms, Data Structures, Networking, Databases, Operating Systems, Graphics.
About us: At Publicis Sapient, we enable our clients to thrive in Next and to create business value through expert strategies, customer-centric experience design, and world-class product engineering. The future of business is disrupting, transforming, platforming, and becoming digital to the core. We see it in every major industry, from financial services to automotive, consumer products, retail, energy, and travel. We are looking for people who have the courage to break out of what has always been to go do what will be. If you have an optimism that says there is no limit to what we can achieve in this exciting time, then we should talk. Our work is fueled by challenging boundaries, multidisciplinary collaboration, highly agile teams, and the power of the newest technologies and platforms. Our people thrive because of the belief that it’s both our privilege and
responsibility to usher our clients and the world into Next. We are seeking those deeply skilled, bold, collaborative, flexible, and who want to reimagine the way the world works to help businesses improve the daily lives of people, and the world. This is the world-class engineering team where you should build your career.
We are looking for a skilled React.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js using Typescript. 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.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing a highly responsive user interface 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, Typescript, Redux, Flux, HTML / CSS.
- Experience working with Graphql and Hasura is a plus
- 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.
- Minimum of 2 years experience with React Js
- Minimum of 3 years of web development experience.
- Observe, strategize, develop and design user-friendly UI/UX using markup languages like HTML.
- Designing Client-Side and Server-Side Architecture and Rendering and Static Site Generation.
- To confer with users - by studying systems flow, data usage & work related bottlenecks.
- Design and implement Front-End code
- Interact with the production team, understand their workflow and find new ways to visualize their workflows on web apps.
- Integrating Python Scripts with Python-based UI interfaces like Dash and Flask.
- Maintain and improve web-app
- Optimize applications for maximum speed
- Create quality mockups and prototypes
- Design mobile-based features
- Integrating APIs with front-end user interfaces.
- Build features and applications with a mobile responsive design
- Write functional requirement documents and guides
- Work with data scientists and analysts to visualize their analysis reports
- Help back-end developers with coding and troubleshooting
- Ensure high-quality graphic standards and brand consistency
- Stay up-to-date on emerging technologies
General Expectations:
- Strong Knowledge of HTML, CSS, Bootstrap, JavaScript, AJAX, jQuery and Prototyping.
- Strong knowledge of client-side dynamic and rich UI applications development.
- Hands-on experience in C#, Python, .Net
- Strong hands-on experience in popular frameworks and JavaScript ecosystem – JS, Node, Angular, Jquery.
- Experience in Spark, Hadoop, Scala, and Elastic Search is a plus point.
- Familiarity with browser testing and debugging
- Experienced in building applications that meet enterprise needs – secure, scalable, loosely coupled design
- Exceptional design, coding, and problem-solving skills, with a bias for architecting at scale.
- Experience using NPM, Web-Pack, Gulp.
- Familiarity with performance testing and optimization’s.
- Strong knowledge of computer science, algorithms, and design patterns
- Write robust modular front-end code using the latest technologies, test and optimize it to work for high performance and scale and deploy it to the UiPath cloud platform.
- Work with various horizontal teams such as Structure, Electrical, Mechanical, Accessibility, Legal, and Finance and also interact with other core teams across locations at UiPath
- Own the smooth running of your cloud service or docker service, and respond to live site issues.
- Strong oral and written communication, and other soft skills are critical to collaborating and engaging with teams
Position Summary
Clarista.io turns current enterprise data silos into a ‘Live Data Network’, easy to use, always available, with flexibility to create any analytics. Clarista is designed for both business and technical users, hence the user interface plays a pivotal role in ensuring performance with large datasets and a superior user experience.
What You'll Do
You will be part of Clarista’s UI engineering team. You will work in our cloud native environment and perform following activities to support core product development and client specific projects:
- You will build & support responsive web user interfaces by using ReactJS
- You will ensure usability of the interfaces and workflows for end users
- You will integrate user interfaces with data and other interfaces through APIs
- You will collaborate with cloud and data engineering teams to enable end-to-end functionality
- You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
- You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
- You will be a proactive contributor to team and project discussions
Who you are
- Strong education track record
- Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
- 2-3 years of experience in UI Development using ReactJS
- An ideal candidate will be responsible to produce high-quality solutions; bringing a deep understanding of modern HTML, JavaScript, and CSS, and the software development life cycle and a strong ability to execute and implement standard software architecture patterns.
- Expert knowledge of JavaScript to design optimized and modular components that will be used across platforms.
- Proficient with ReactJS, Redux, Service Workers, Optimized coding practices, Progressive Web Apps (PWA), Context API, System design, Web concepts, Server-Side Rendering (SSR), lazy loading.
- Should have experience working with any of the chart’s library like charts.js, Highcharts.js, etc.
- Should know how to write modular and optimized code.
- Should have good knowledge around error handling.
- Fair understanding of responsive design and cross-browser compatibility issues.
- Experience versioning control systems such as GIT
- Strong problem solving and communication skills.
- Self-starter, continuous learner.
Good to have some exposure to
- Start-up experience is highly preferred
- Exposure to micro front ends.
- Agile software development methodologies.
- Working in multi-functional, multi-location teams
What You'll Love About Us – Do ask us about these!
- Be an integral part of the founding team. You will work directly with the founder
- Work Life Balance. You can't do a good job if your job is all you do!
- Prepare for the Future. Academy – we are all learners; we are all teachers!
- Diversity & Inclusion. HeForShe!
- Internal Mobility. Grow with us!
- Business knowledge of multiple sectors
Work Location: Bangalore
Work Days: Sunday through Thursday
Shift: Day
Week Off: Friday & Saturday
Responsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- Collaborate with other team members and stakeholders
Key Skills
- Should have hands-on experience in advanced JavaScript libraries and frameworks, such as ReactJS, Bootstrap. (ReactJS is Mandatory)
- Proficient in web markup, including HTML5, CSS3
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS and experience in building/using REST APIs
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling and partial page updates.
- Good understanding of SEO principles and ensuring that the application will adhere to them.









