
Job title: React.js Developer
Location: Gurugram (Onsite)
Notice: Immediate joiner
Responsibilities:
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
Requirements:
• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
- Basic knowledge of Data Structure and Algorithm required

About Sunday Labs
About
Similar jobs
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to the back-end
- Collaborate with other team members and stakeholders
- Should have hands-on experience in advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, Bootstrap, BackboneJS, ReactJS, DurandalJS, etc. (ReactJS is Mandatory)
- Proficient in web markup, including HTML5, CSS3
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS, and experience in building/using REST APIs
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling and partial page updates.
• Strong command of ReactJS
• Strong command of modern JavaScript (examples: arrow functions, async/await,
destructuring, rest & spread, etc.)
• Strong command of modern CSS and HTML (examples: flexbox, grid, media queries, etc.)
• Strong command of modern JavaScript tooling (examples: webpack, babel, ESLint, etc.)
• Hands-on experience with TypeScript on ReactJS projects is a bonus, but not required
• A good grip on Git
Responsibilities
- Participate heavily in the brainstorming of UI/UX architecture and feature design
- Interface with external customers and key stakeholders to understand and document design requirements
- Work cross-functionally with Engineering, Data Science, Product, UX, BD, and Infrastructure teams
- Drive best coding practices across the company (i.e. documentation, code reviews, coding standards, etc)
- Perform security, legal, and license reviews of committed code
- Complete projects with little or no supervision from senior leadership
Required Qualifications
- Must have at least 2+ years experience in front-end web development with the following tools: HTML5, CSS, Webpack, Responsive web design, ReactJS (Components, Router, Redux, Flux, Chart Libraries i.e. Google Charts), Node.js, REST APIs, and other essential features)
- Built and deployed customer-facing services and products at scale
- Developed unit and integration tests
- Solid instruction-level understanding of Object Oriented design, data structures, and software engineering principles
- You have a strong background in natural language processing, statistical modeling, and/or machine learning
- Experience with open source projects in a startup environment
- Experience with large-scale distributed systems that have thousands of microservices and manages millions of transactions per day
- Worked on products where experimentation and data science are core to the development
- Experience with Python and API frameworks (Flask)
- BS, MS or equivalent
About Our Client
Our client is a Currency Exchange in India. Built with user experience and security in mind, Our Client provides instant fiat to crypto conversions with zero fees, so that users can have access to a diverse suite of financial products and services that are backed by industry-leading security processes and insurance protection. Our Client aims to be the global gateway to cryptocurrencies. Its proprietary liquidity aggregation model provides its users with access to liquidity from leading global crypto exchanges. Our Client is recognized and awarded for its contribution to the Indian emerging tech space.
Why Our Client?
Cryptocurrency Traders are looking for a strong global platform that can help them trade faster, better and smarter. We are building a platform that can solve their needs. The opportunity is big, and the journey is tough. Now that’s a challenge that needs to be addressed. You do that. You are phenomenal in solving these complex challenges. You help our team do more.
As a Front End Developer - Angular, you do all of the above and more. You make a difference.
What will I do?
- 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
• Ensure high-quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies
• Write functional requirement documents and guides
What skills should I have?
- Must have 7+ years of experience in frontend development with an internet startup.
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate 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
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements
Type, Location,
Full Time @ Anywhere in India
Desired Experience
3+ years
Job Description
What You’ll Do
- Taking an active role in architecting the solutions we build
- Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
- Working closely with the dispersed development team, client, and project manager in the SCRUM methodology
- Ensuring that programming practices and code quality are respected
- Supporting other engineers with your expertise when needed (knowledge sharing)
- Leading your colleagues’ growth and development
What you bring to the table
- 3+ years of experience with JavaScript (good knowledge of ES2016; newer versions and TS 3+ are a plus)
- Experience in developing web applications using Angular2+ and another modern framework
- Being comfortable HTML5 and CSS3
- Experience with version control systems, preferably Git
- Demonstrated tech leadership in a medium-sized team, and the ability to design a complex system
- Eagerness to learn and constantly improve yourself
- Being a team player focused on getting things done
Position Summary
The Management, Orchestration, Visualization and Analytics team is looking for a technically strong UI/UX Engineer who will help develop and enhance the UI features of Manova products and services. Having a background in Cloud services or Network Management is highly valuable.
Responsibilities
-
Design user interfaces by creating wireframes and mockups
-
Adopt and advocate practices of modern responsive UI designs
-
Develop flows using Javascript
-
Develop/ enhance UI screens using HTML5, CSS3, React, Angular (or possibly other comparable Javascript technologies)
-
Own both development and test automation for the assigned features
-
Develop test automation for UI code using Cypress, Jest, React Testing Libraries or other technologies
-
Performance tuning of web application with solid knowledge of isolating and debugging a performance problem
-
Implement functional flows on a Micro-frontend architecture
-
Ensure smooth pipeline runs based on Docker, Kubernetes
-
Keep abreast of new front-end technologies and development practices
-
Efficiently communicate/collaborate internally at F5
-
Participate in defining new software architectures, products and solutions
-
Serve as source of technical expertise to a project team and is a mentor for junior staff members
-
Proactively identifying and resolving key technical issues
Qualifications
-
10+ years of significant software development and engineering experience.
-
Experience of renovating a legacy application to one based on modern UI principles
-
Solid hands-on experience in UI and Javascript technologies such as React/Redux, Angular, Knockout, Backbone, JQuery etc
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Solid experience with HTML5, CSS3, LESS, SASS
-
Experience with UI Automation and practices to increase efficiency and accuracy of UI development
-
Good familiarity with REST services and data formats such as JSON, XML
-
BA/BS in computer science or other engineering disciplines
-
Expertise with Continuous Integration and Agile development methodology
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Good communication, presentation skills and ability to work well in a development team
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Strong SW engineering and design skills with an eye for details.
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Passion for learning new technologies, and a track record of doing so.
Requirements
- 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 them following well-known React.js workflows (such as Flux or 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.
Skills And Qualifications
- Good understanding of advanced JavaScript libraries and frameworks ReactJS or Vue JS
- Developing new user-facing features using React.js
- Experience with popular React.js workflows (such as Flux or Redux)
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Knowledge of isomorphic React is a plus - Familiarity with RESTful APIs
- Knowledge of modern authorisation mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools - Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- Building reusable components and front-end libraries for future use
- Proficient understanding of web markup, including HTML5, CSS3
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git / Mercurial / SVN
- Research new technology trends, come up with suggestions and roll out the same
- Expertise in building UI for cross-platform web application.
- Ability to write high-performance, reusable code for UI components.
- Must be a self-starter with a passion to stay current with the newest online technologies.
- Passion for performance debugging and benchmarking
- Excellent communication and problem solving skills.
1. Candidate should be expert to design, develop, test and deploy solutions based on industry's best practices and client's business requirements. This position requires highly proficient knowledge of Shopify liquid code, PHP and its advance concepts.
3. Strong in PHP and it's framework like Laravel, must be competent in shopify app development and shopify apps architecture.
We are looking to hire a web designer and developer who can build world class websites for our clients, websites which are technically solid and have an extremely easy to use and appealing interface. Needs to be proficient in building websites using PHP, WordPress and Shopify.









