React.js Developer

• Knowledge of OO JavaScript
• 7.2. 10+ years hands-on experience with web development using
• HTML5, JavaScript (React, Preact.js, Redux, Redux, Vue.js,
• CSS3, SignalR, Socket.io)
• 7.3. Experience building responsive design layouts using a formal
• framework like Bootstrap and familiarity with best practices
• (web security concepts, ensuring browser & device
• compatibility, etc.)
• 7.4. Experience in creating secure pre-compiled script libraries.
• 7.5. Familiar with development and debugging tools for cross-
• browser issues
• 7.6. Experience integrating with RESTful APIs for server-side

• Strong analytical skills -ability to turn business requirements into technical concepts and code
• Minimum 3 years of experience in React(at least 3 projects)and familiar with modern React (Hooks, Context API)
• At least one PWA project
• Deep knowledge of Typescript (at least 2 years)
• Excellent problem solving and communication skills
• Used to writing automated tests with tools like Jest & Cypress
• Working with a ticketing tool like Jira
• Experience with SCRUM/Agile Development
• Experiences with NodeJS is a plus
• Experiences with Monorepositorys and Nx is a plus

• You have 4-8 years of experience  in Frontend for web based applications with strong understanding of HTML, CSS, JavaScript, Frameworks like Angular  or React
• You love building things, and have built complex consumer web applications in the past.
• You have a sound understanding of data structures and algorithms.
• You are an expert in HTML, CSS, JavaScript and jQuery.
• You are an expert in at least one JavaScript framework, such as Angular 7+, React or Vue.
• You understand how website-backend interacts with frontend as well as external APIs.
• You enjoy mentoring others and helping them solve challenging problems.

Responsibilities:

• Build the foundation of our supply side (enterprise) product from scratch. Maintain high standards of pixel perfect Ui’s and efficient User Experiences. 
• Our Supply Side ecosystem involves a plethora of products such as Catalog Management, Analytics Dashboard, Orders Processing, Finance Reconciliation, Notification centres etc. Develop a deep understanding of the mentioned use cases and build the systems for scale.
• Coordinate with Product managers, Product Designers & Backend Developers and outline sprints and tasks on a weekly basis.
• Conduct Comprehensive Unit tests before passing features to QAs. This requires a good top level understanding of backend infrastructure.
• Maintain High level of Code Quality and constantly optimize for performance and user experience.
• Be Collaborative. Self reliant and always keep pushing the limits of your knowledge.

• Ability to design the overall architecture of UI components 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 using JavaScript, HTML, and CSS.
• Understanding and implementation of security and data protection.
• Good problem-solving skills and willingness to learn new technology

Qualifications:-

• 2+ year track record of relevant work experience and a Computer Science or a related technical discipline is required
• Excellent knowledge of JavaScript
• Proficient experience in ReactJS.
• OOPS, Concept, and Data Structure like Queue, Stack, Tree, Linked List, etc.
• Good knowledge in working with REST APIs
• Knowledge of converting designs to working web pages using HTML and CSS.
• Experience in Architecture and delivery of web applications.
• Knowledge of code versioning tool – Git

Good to have:

• Experience in AngularJS
• Experience in server-side programming

Responsibilities

• Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services

Skills and Qualifications

• Proficiency with JavaScript and HTML5
• Professional, precise communication skills
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain, in regard to the app logic as well as the file system
• Ability to provide SEO solutions for single page apps
• Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• Experience with building the infrastructure for serving the front-end app and assets
• Architecting and automating the build process for production, using task runners or scripts
• Documenting the code inline using JSDoc or other conventions
• Writing extensive unit tests using automated TDD tasks
• Creating e2e test suites for all components, and running them with Protractor (or a well reasoned alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments