React JS developer

Role: React UI Lead

Exp: 8+ Years

CTC: up to 30 LPA

Mode of Interview: 2 rounds onsite + 2 online

Required Skills and Qualifications: 

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience). 
• Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript 
• Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have). 
• Solid understanding of responsive web design, accessibility, and cross-browser compatibility. 
• Experience leading a team of UI developers in an agile environment. 
• Strong problem-solving skills and ability to troubleshoot complex issues. 
• Excellent communication skills with the ability to collaborate effectively with cross-functional teams. 
• Experience with version control systems (e.g., Git) and CI/CD pipelines. 
• Experience with UI testing frameworks and tools (e.g., Jest, Cypress) is a plus. 
• Knowledge of UX design principles and familiarity with UX design tools (e.g., Sketch, Adobe XD) is desirable. 
• Ability to prioritize and manage multiple tasks in a fast-paced environment. 
• Experience building a UI for multi-tenant SaaS platform. 

• Strong knowledge and experience in
• Javascript/Typescript
• VueJs Framework.
• State Management libraries like Vuex/ Pinia
• Styling Languages like SASS/SCSS.
• HTML5 / JQuery/ Bootstrap
• WebSockets
• PWA
• Knowledge in Ajax and REST APIs.
• Full understanding of the DOM and intricacies of client-side performance and browser compatibilities.
• Experience with performance optimization approaches (caching, CDN,etc.).
• A strong grounding in Frontend UI/UX Designing.
• Strong understanding of front-end optimization and debugging techniques
• An appreciation for data quality and consistency

• Experience working with git
• Experience working in Quasar Framework.
• Knowledge of Backend Technologies like Python, Django, SQL, Nginx.
• A keen eye for detail, striving for perfection
• Demonstrated strong analytical and problem-solving skills
• Self-starter who is able to take ownership of projects

• Design and build Frontend for SaaS application using Vue JS , Quasar Framework.
• Build reusable components and web pages and Integrate it with backend using Rest APIs .
• Uphold our high engineering standards and bring consistency to our product development.

• Javascript/TypeScript
• VueJS
• State menagement Vuex/Pinia/NgRx/Redux
• Any Frontend Libraries like VueJS/ReactJs / Angular
• Git
• Ajax/Axios
• UI/UX
• CSS/SASS/SCSS
• Have you worked on any Backend Technologies ? Please describe.
• Have you worked previously on Quasar Framework ?

• Great knowledge of Javascript
• Minimum experience of 6 months to 1 year
• After 3 months, assured permanent job.
• Must have knowledge of Three.js 
• Energetic and eager to tackle new projects and ideas

Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-

-Able to take the Extreme Ownership of modules/product/projects
-Can handle calls with the client & customer to know their feedback
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.

- Maintain product roadmap, release schedules, and architectural standards that ensure alignment with business objectives.

- Manage, Mentor, and coach a team of 6 -9 front-end engineers
- Build fast and efficient next-generation web applications
- Implement new features and optimize existing ones
- Collaborate with Designers to iterate on the design
- Work closely with Backend Engineers to integrate APIs and other services
- Find and address performance issues
- Identify and communicate front-end best practices
- Desire to learn and mentor the new joiners with the latest framework like svelte, vue etc

Desired Candidate Profile:

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem-solving, and love the latest technology, there are very few better places

How we are different 
 -We are a young and dynamic team who are obsessed with solving the business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to the business problem rather than technology

 Why join us
 -We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier built the Consumer application which is downloaded millions of time and are in a leadership position in companies like Samsung, Purplle, Loyalty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

• 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

• Should have experience in  developing and working on consumer facing web/app
• Proficient understanding of JavaScript libraries and frameworks ReactJS
• Proficient understanding of server side rendering through Next.js
• Proven skillsets in responsive Web UI development for enterprise application using technologies such as HTML5, CSS, JavaScript, JQuery, Bootstrap, React JS Good understanding of Data Structures, Algorithms and Operating Systems
• Should have experience on HTML5/CSS3, Javascript ,Redux, APIs Integration
• 3-4 years of experience in building client side cross platforms javascript apps in Web & mobile.
• Good experience of developing and integrating APIs
• Develop high-quality software design and architecture
• Review and debug code
• Find and address performance issues
• Proficient understanding of Git

Crownstack is a premium organisation that specializes in providing innovative digital technology solutions to various enterprises including startups, small and medium-sized businesses and Fortune 500 companies across the globe. Our services include, but are not limited to, UI design, mobile app and web development, Cloud computing, data analytics, and Dev Ops. We take pride in our ingenious, meticulous, and skilled workforce who aim to deliver sustainable and cutting-edge business and technology solutions to all our clients. ★ 100+ Successful Apps Delivered | ★ Enterprise and Startup Clients | ★ Scalable Products | ★ MEAN Stack | ★ Python, pHp, NodeJs | ★ Agile Development | ★ Best UI/UX Award

Crownstack is looking for ReactJs Developers to join our team and deliver a streamlined user experience. We want a team member who strives to develop a first-class codebase using ReactJs best practices. As a React Developer, you will implement a complete user interface across our mobile and desktop web interfaces.

Job Location: Gurgaon/Noida

Experience: 2+ years  

Roles and Responsibilities

• Develop user interfaces with the latest frontend technologies
• Research, analyze, and develop product features of increasingly complex nature
• Code tested and documented JavaScript, HTML, PUG and CSS
• Make design and technical decisions for ReactJs projects.
• Develop application code and unit testing in the ReactJs with REST APIs
• Ensure high performance of all systems developed

Skills and Qualifications

• 2+ years experience with ReactJs
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Experienced in Typescript is a plus
• Familiarity with testing frameworks (Ex. Enzyme)
• Experience in building highly reusable and decoupled components
• Experience in State management Libraries like Redux, mobx
• Critical thinking and problem-solving skills
• Good time-management skills
• Great interpersonal and communication skills

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