ReactJs Developer

We are looking for a skilled and motivated React Developer with 5–8 years of hands-on experience to join our growing team in Chennai. The ideal candidate should have strong proficiency in front-end development using React.js, with a solid understanding of modern web technologies, best practices, and Agile methodologies. Experience with Ember.js is also required.

Key Responsibilities:

• Develop and maintain scalable web applications using React.js and Ember.js.
• Build reusable components and front-end libraries for future use.
• Translate UI/UX designs and wireframes into high-quality, responsive code.
• Optimize components for maximum performance across a wide range of devices and browsers.
• Collaborate closely with UI/UX designers, backend developers, and product managers.
• Participate in code reviews, testing, and debugging activities.
• Stay updated with the latest trends and best practices in front-end development.

Required Skills:

• Strong proficiency in JavaScript, HTML5, and CSS3.
• Hands-on experience with React.js, including Redux and React Hooks.
• Experience with Ember.js in production-grade applications.
• Familiarity with RESTful APIs and integrating frontend with backend services.
• Experience using front-end build tools and workflows (e.g., Webpack, Babel, NPM).
• Good understanding of version control systems like Git.
• Exposure to Agile development methodologies and practices.

Founded in 2012, the leader in digital identity verification technology for Day Zero and beyond. Our predictive analytics platform applies artificial intelligence and machine learning techniques, with trusted online/offline data intelligence from email, phone, address, IP, device, velocity, and the broader internet, to verify identities in real-time. We have more than 400 customers across the financial services, gaming, telecom, and ecommerce industries, including three of the top five banks, seven top 10 issuers, three top MSBs, multiple tier-one payroll providers, the top credit bureau, and over 75 of the largest and most successful fintechs such as Varo Money, Public, Chime, and Stash. We are funded by some of the world's best investors and entrepreneurs including Accel, Scale Venture Partners, Commerce Ventures, Work-Bench, Sorenson, Citi Ventures, Wells Fargo Strategic Capital, Synchrony, MVB Bank, Santander InnoVentures, and Two Sigma Ventures.

Our trophy case includes numerous industry awards and accolades, including being named one of Forbes America’s Best Startup Employers 2021 as well as the Best New Technology Introduced over the Last 12 months – Data and Data Services at the 2020 American Financial Technology Awards (AFTAs), being ranked #70 on Deloitte’s Technology Fast 500™, getting listed as a Gartner Cool Vendor, and winning Finovate’s Award for Best Use of AI/ML, to name a few!

The only way we can further our mission of becoming the single, trusted source of identity verification and eliminating identity fraud is by building the best team on the planet. This is where you come in!

Description of Skills/abilities:

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing those with well-known React.js workflows such as 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 a must.

You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

1. Developing new user-facing features using React.js, React hooks.
2. Building reusable components and front-end libraries for future use.
3. Translating designs and wireframes into high quality code.
4. Optimizing components for maximum performance across a vast array of web-capable devices and all browsers.
5. Build pixel-perfect, buttery smooth UIs across all web browsers.
6. Diagnose, fix bugs, maintain code and write automated tests to ensure the product is of the highest quality.
7. Key understanding about Object Oriented Programming, Web Architecture, SDLC, Rest Framework.
8. Should have understanding in Hybrid App Ecosystem, Code Once - Deploy Anywhere thought process.
9. Responsible for development of new highly-responsive, web-based user interface.
10. Construct visualizations that are able to depict vast amounts of data.
11. Work with product team and graphic designers.
12. Develop a flexible and well-structured front-end architecture, along with the APIs to support it React.js developer requirements and qualifications.
13. Support the entire application lifecycle (concept, design, test, release and support). Produce fully functional web, mobile applications writing clean code.

Skills

1. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
2. Thorough understanding of React.js and its core principles.
3. Having Experience with popular React.js workflows such as Redux.
4. Familiarity with newer specifications of Typescript.
5. Having Experience with data structure libraries (e.g., Immutable.js).
6. Knowledge of isomorphic React is a plus.
7. Familiarity with RESTful APIs.
8. Knowledge of modern authorization mechanisms, such as JSON Web Token.
9. Familiarity with modern front-end build pipelines and tools.
10. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
11. Familiarity with code versioning tools such as Git, SVN.
12. Knowledge of functional or object-oriented programming.
13. Ability to write well-documented, clean typescript code.
14. Rock solid at working with third-party dependencies and debugging dependency conflicts.
15. Understanding of REST APIs, the document request model, and offline storage.

Skill Set:

React, React Hooks, Redux, and Typescript with minimum of 6+ Years of relevant Experience.

Responsibilities:

• Meeting with the design team to discuss application features and design ideas.
• Researching similar application designs and user interface modules.
• Creating a website and application design mockups with enhanced UI features.
• Presenting updated front-end designs for final sign-off.
• Writing the front-end code and building the user interface.
• Debugging code errors and troubleshooting software issues.
• Conducting live application tests and tweaks.
• Updating web applications in line with user trends.

Requirements:

• Bachelor's degree in computer science or equivalent practical experience.
• Understanding of OOPS concepts, Persistence, Threading.
• Good understanding of version control system (GIT).
• Knowledgeable in data structures and algorithms.
• Good understanding of web stack and how all the pieces fit together.

• 3+ years prior experience as a UI engineer.
• Familiarity with automated testing tools including Selenium, Jasmine, and Karma.
• In-depth knowledge of user interface models, application design, and website functionality.
• Proficient with front-end languages including HTML, JavaScript, and CSS.
• Familiarity with prototyping tools including InVision Studio, Balsamiq, and Sketch.
• Advanced problem-solving skills.

Good To Have:

• Competent in developing web apps using React.
• Prior experience of working in a product-based company.

• Prior experience of working in a startup.

• Develop user-facing features, while building reusable code & libraries for future use
• Optimize application for maximum speed & scalability
• Ensure the technical feasibility of UI/UX designs
• Ensure that all user input is validated before submitting to the back-end

Experience

• 1-3 Years work experience in Frontend
• Experience working with libraries/frameworks like ReactJS, AngularJS, KnockoutJS, BackboneJS, DurandalJS, etc.
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Proficiency with HTML5, CSS3. Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient knowledge of cross-browser compatibility issues & ways to work around them.
• Proficient understanding of code versioning tool - GIT
• Good understanding of SEO principles and ensuring that application will adhere to them

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