React.js Developer

Position:  React/Frontend Developer

Location: Chennai and Exp : 3 to 5 Yrs

We are looking for a great JavaScript developer who is proficient with React.js or VueJs. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Monitoring and improving front-end performance.
• Troubleshooting interface software and debugging application codes.
• Documenting application changes and developing updates.

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Should have recent experience with React projects (min. 2 years)
• Experience in VueJs is an added advantage
• Familiarity with newer specifications of EcmaScript
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools. 

• As a lead engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members.
• Participate in code reviews, app architecture, and design discussions.
• Ensuring timely delivery of all product deliverables.
• Be the go-to person for the team for guidance and troubleshooting. 
• Mentoring junior developers and set best practices for coding, reviews, etc.
• Ensuring performance and scalability in all new product features being developed. 

• Overall of 5+ years expertise in writing HTML/CSS/JavaScript 
• Experience in Angular and preferably React.js
• Expertise in database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries.
• Expertise in all common AWS cloud technologies, knowledge of CI/CD tools, and workflows.

• Use markup languages like HTML to create user-friendly web pages
• Maintain and improve website
• Optimize applications for maximum speed
• Design mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Create quality mockups and prototypes
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

• Proven work experience as a Front-end developer
• Hands on experience with markup languages
• Experience with JavaScript, CSS and jQuery
• Familiarity with browser testing and debugging
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics
• Knowledge of SEO principles
• Familiarity with software like Adobe Suite, Photoshop and content management systems
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills
• BSc degree in Computer Science or relevant field

Requirements : 

a) CSS / Bootstrap : Flex Layout/ability to demonstrate the cascading nature of CSS clearly with example/Positioning.

b) Pure JavaScript: Prototype chain and inner workings of inheritance in JS. Understood DOM, Events, Event Bubbling, and Capturing/ ability to demonstrate it with example/ Promises and their use cases.

c) TypeScript: Basic understanding of using TS. Union Types, Index Signatures,

d) REST: Backend experience. REST principles, URL structures for APIs. integration using native JS (fetch and Promises) and in Angular. use cases of getting vs POST vs PUT vs PATCH.

e) Angular :  Abstractions of Angular Component, Service, Pipe, Directive, Module, Lifecycles. Knew advanced patterns as well Dynamic Components, Content Projection, Reactive Forms, ViewChild, ContentChild. Understood Observables and various operators demonstration of Design Skills ability to create the component and module hierarchy for a moderately complex application, along with their interactions

Responsibilities:

• Build customer facing technology product for global customers.
• Own the Product's frontend and backend development, building reusable, testable, and scalable code
• Research, evaluate, analyse and implement technical requirements
• Collaborate with product management teams to define and implement innovative solutions for the product direction, visuals and experience
• Mentor Junior members of the team

Requirements:

• 5+ years of experience building scalable products, distributed applications product/services in JavaScript and one of Angular/React
• Should have sound knowledge and experience in HTML and CSS
• Familiarity with UI layout, and CSS grid system or experience working with Bootstrap or any other CSS frameworks is a must
• Should have worked on the complete UI lifecycle of converting UI/UX designs into prototypes, write reusable modules
• Implement UI development principles to ensure client side scaling and clean and maintainable code that performs well on various performance metrics
• Understanding of multiple delivery platforms, such as Mobile & Web and developing Responsive UI
• Designing Unit Test cases, integrated test cases using Selenium and Protractor
• Strong coding and problem solving skills
• Ability to own end-to-end deliveries, right from requirements till release
• Excellent coding skills and ability to produce high quality, bug free and testable production grade code
• Experience working in an Agile/Scrum development process
• Ability to review code and continuously push for higher standards of development
• Knowledge of both SQL and NoSQL database services and related tools with the expertise to create efficient schemas, preferably MongoDB would be nice to have