
We do have opening with our company Crownstack Technologies for React.Js Developer. Interested candidate can share their CV.
About us
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
Job Description
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.
Requirements
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

About Crownstack Technologies
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A very challenging role with opportunities to work on new technologies and application. Only those who challenge themselves and ever willing to learn
Key Responsibilities:
- Must be proficient in Angular V18 and have working knowledge of React.js.
- Candidate should have good exposure in developing modern web applications.
- Strong proficiency in JavaScript / TypeScript, HTML5, CSS3, and Angular Material.
- Good knowledge of integrating external REST APIs for application integration.
- Good understanding of AJAX, JavaScript DOM manipulation, and Responsive Design.
- Proven debugging and troubleshooting skills.
- Designing and developing user interfaces using Angular and React best practices.
- Experience with Git version control.
- Extensive experience with Angular framework, its best practices, and commonly used modules.
- Ability to maintain clean, scalable, and consistent project dependencies.
- Build reusable, testable, and efficient code.
- Work on bug fixes and improve application performance.
- Optimize applications for maximum speed and scalability.
- Exposure to rapid AI development and prototyping tools such as Replit, Lovable, or similar AI-assisted development platforms.
Key Skills
- Angular
- React.js
- JavaScript / TypeScript
- HTML5
- CSS3
- Angular Material
- REST API Integration
- Git
- AI Prototyping Tools (Replit, Lovable, etc.)
Required Skills:
• He/she should have 3+ years of experience in Software Development
• Proficient experience working with React Js.
• Strong experience in JavaScript and Typescript
• Proficient in HTML5, CSS3, Bootstrap, Kendo & jQuery
• Proficient understanding of code versioning tools, such as Git.
• Strong understanding of the web development cycle and programming techniques and tools.
• Strong problem solving, verbal and written communication skills.
• Should have strong knowledge on integration with backend API’s
We are looking for a web designer who will be responsible for creating great websites for our clients. Primary duties include conceptualizing and implementing creative ideas for client websites, as well as creating visual elements that are in line with our clients' branding.
Responsibilities-
1. Conceptualizing ideas with clients.
2. Establishing design guidelines, standards, and best practices.
3. Maintaining the appearance of websites by enforcing content standards.
4. Designing visual imagery for websites and ensuring that they are in line with branding for clients.
Requirements-
- Proficiency in graphic design software including Adobe Photoshop, Adobe Illustrator, and other visual design tools.
- Proficiency in front-end development web programming languages such as HTML and CSS, JQuery, and JavaScript.
- Good understanding of content management systems.
- Up-to-date experience with international web protocols, standards, and technologies.
- Creative and open to new ideas.
- Adaptable and willing to learn new techniques.
- Excellent communication skills.
Additional information-
Job type- Full time- in office
Minimum experience- 1 year
Bachelor’s degree in computer science, computer engineering or similar.
- Previous work experience of 4-6 years as an angularJS developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code.
- Experience using JavaScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
- Excellent project management skills.
- Proven experience implementing front-end and back-end JavaScript applications.
- Excellent communication skills.
- Critical thinker and good problem-solver.
• Work with designers to translate the designs to pixel perfect, cross platform, responsive UI.
• Follow coding standards, code reviews etc.
• Follow release cycles and commitment to deadlines.
• Collaborate with the team and communicate effectively.
• Ability to work in a fast-paced startup.
Desired Skills & Experience:
✓ BE/BTech in Computer Science or related technical discipline
✓ Mastery of standard front-end technologies like modern HTML, CSS, JavaScript/Typescript
(Angular 8+), REST, and JSON
✓ Deep understanding of front-end architecture and data-driven development
✓ Ability to work with designers to develop dynamic user experiences.
✓ Good Analytical and Problem-solving skills
✓ Knowledge of source control tools, preferably GIT
✓ Familiar with Agile methodologies
What we're looking for
AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit.
Your Day-to-Day Tasks Include:
Ship product, independently and/or as part of a small team
Collaborate with other engineers to build new features
Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers
You Should Have:
3+ years of experience with React.
A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX.
Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges.
Experience with NodeJS and Express JS will be a plus
Hands-on with a code management system like GIT, SVN.
Experience with NoSQL databases, preferably CouchDB or CouchBase.
Good to have: Experience with Typescript.
We are looking for a React.js Developer. Your primary focus will be on developing user interface components and implementing them. 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.
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
- Optimising components for maximum performance across a vast array of web-capable devices and browsers
Requirements:
- Good knowledge of JavaScript, HTML and CSS
- Good understanding of React.js and its principles
- Good understanding of state management libraries like Redux
- Good understanding of newer specifications of EcmaScript like ES6 and ES7
- Good understanding of RESTful APIs
- Knowledge of modern authorisation mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Familiarity with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- Good understanding of Git
Minimum Qualifications:
- At least 3 years experience in web development.
- Experience with HTML5 and CSS
- Experience with ReactJS, JavaScript, ES6
- Experience with state management libraries like Redux
- Experience working with Git
- Good written and verbal English skills
- Good attention to detail
- Ability to effectively communicate with internal departments, team members and partners
- Ability to effectively plan and organise
- Ability to work independently under limited supervision
Would be a plus:
- Experience in test automation and test-driven development (Jest, Enzyme)
- Experience with NodeJS and GraphQL
- Knowledge of PWA
- Familiarity with JIRA or any other project management tool
- Experience with AWS/EC2, or other cloud services














