
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
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Experience: 5-10 years experience
Location: Bangalore
Required Skills and Experience:
- 5-10 years of experience in front-end development, with a strong focus on React.js.
- Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
- Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
- Hands-on experience with RESTful APIs, Server Sent Events, WebSockets
- Hand’s on experience with web components, microfrontends
- Deep understanding of browser apis like history, intersectionobserver, event handling, virtual panes, drag and drop etc
- Ability to work on a complex and fast moving code base.
- Familiarity with TypeScript and its integration with React applications.
- Strong problem-solving skills and attention to detail.
Core responsibilities
• Collaborate with product teams to more accurately define new features
• Collaborate with UX in the building of a design system/component library
• Ensure high performance of all systems developed
• Aware of the relationship between development and business with a strong sense of ownership
• Employ the latest techniques such as agile software development
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Javascript/Angular
• Strong interpersonal, communication and analytical skills
• Should have the ability to express their design ideas and thoughts
Job Brief
• JavaScript and angular expertise
• Experience with libraries such as bootstrap, Ag-grid, formly, observables, and ngrx
• You enjoy working with new technologies, and are curious and energetic
• Experience working with REST APIs
• Good understanding about authentication and security
• Create and maintain various unit and integration tests
• You enjoy working in a creative and agile environment that moves fast
• Ability and interest in providing mentorship to junior members of the team
• Write high quality code and Conduct code reviews
• Being resourceful and detail-oriented, along with being an outside the box thinker!
• Experience being a great team player, who work collaborative, and brings a positive attitude
1. Determining the structure and design of web pages.
2. Ensuring user experience determines design choices.
3. Developing features to enhance the user experience.
4. Ensuring web design is optimized for smartphones.
5. Building reusable code for future use.
6. Optimizing web pages for maximum speed and scalability.
7. Utilizing a variety of markup languages to write web pages.
8. Maintaining brand consistency throughout design.
Front End Developer Requirements:
1. Degree in Computer Science or related field.
2. Understanding of key design principles.
3. Proficiency with nodejs, react, redux.
4. Understanding of server-side rendering.
5. Good problem solving skills
Responsibilities
• Build applications using JavaScript frameworks such as React.js, Vue.js or svelte.js
• Build reusable UI components, ensuring that UI code base is scalable and maintainable
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Good in writing unit test cases, and can follow test driven development approach
• Participate in user experience design and architecture initiatives
• Collaborate with other team members and stakeholders to ensure smooth delivery and elicit new
requirements
• Perform troubleshooting steps, if any, in the phase of implementation, customization, and
configuration
• Having good debugging skills and proficiency in tool to build next-generation web apps
Mandatory Skills
• Knowledge of Functional and OO JavaScript/ES6
• Built web Applications using HTML5, CSS3, and JavaScript with Frameworks like React.js(Hooks
and context API), Vue.Js and svelte.js
• Basic understanding of Typescript and type language concepts
• Clear fundamental understanding of server-side rendered apps, experience with frameworks like
Next,js or Nuxt.js is the Best
• Good understanding of lib and frameworks like Webpack (4.0), lodash, any charting lib like d3.js or
Victory
• Expertise in using JavaScript state Management libraries such as Redux or Mobx
• Prior experience in building responsive design layouts using a formal framework like Material UI.
• Familiarity with best practices (web security concepts, ensuring browser & device compatibility,
etc.)
• Experience in development and debugging tools for cross-browser issues
• Working knowledge of integrating with RESTful APIs for server-side functionality
• Ability to work well individually and in a group setting, under pressure and deadlines
Requirements
• B.Tech/ B.S. or M.Tech/ M.S. in Computer Science, IT or related field.
• 5-8 years of experience.
Desirable Skills
• Hands-on experience with using Git (handling branching and merging), any DevOps pipeline,
• Experience with Agile methodologies
Role : React JS Developer
- 3-5 years of experience as a React JS developer.
- Must have Working Experience in a product based organization at least 18 months.
- Good Communication skills must.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux) ● Familiarity with newer specifications of ECMAScript
- Experience with HTML,CSS, Bootstrap and UI Design
- Knowledge of RESTful APIs
- Knowledge of modern authorization 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
- Familiarity with code versioning tools {such as Git}
Our client is a premier web design and software solutions company based out of Delhi, Florida and California. They are a creative, young and dynamic organisation that provides superior quality solutions like web design and development, mobile app development on various platforms, cloud apps and Ecommerce web solutions. They have clients across US, Canada, UK, and Australia, who receive market ready and saleable apps.
- Responsive Web Designing using Bootstrap/ CSS3/ LESS/ SASS and HTML5
- Understanding of AJAX and JavaScript Dom manipulation Techniques
- Strong expertise with HTML, CSS, and writing cross-browser compatible code
- Building JavaScript tools like grunt or gulp
- Providing SEO solutions for websites
- Building the infrastructure for serving the front-end app and assets
- Ensuring high performance on mobile and desktop
- Coordinating the workflow between the UX designer and stakeholder
What you need to have:
- Strong Designing skills and knowledge.
- Should have experience in Web User Interface (UI) using HTML/HTML5, CSS, SCSS, Advance Javascript Libraries, Jquery, Bootstrap and on UI frameworks like Node.js React, redux/angular.js/ backbone, Hapi.js.
- Good Familiarity with Agile / Scrum practices; a good team player, balanced with
the autonomy and motivation to produce individually - Proficiency with Angular 2/4/5/6/7/8
- Responsive Web Design using Bootstrap/CSS3/LESS/SASS and HTML5
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Good understanding of AJAX and JavaScript Dom manipulation Techniques
- Graduation in computers: Full time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).
Experience: 3 to 5 years
Annual CTC: Rupees 5,00,000 to 7,00,000
Job Requirements :
- Advanced Javascript, CSS, HTML 5, Sass, Less, JSON, DOM Concepts
- Candidate should have 2-3 years of regular working experience.
- Must have expertise in React js, Redux, node js, ExpressJS MongoDB, MySql, NoSQL Flux,
javascript html5 core concepts.
-Fluent in responsive design and mobile / tablet UI / UX, HTML5, CSS3 along with
bootstrap
-UI Performance: should have hands-on experience of optimizing page load, rendering,
caching.
- Familiarity and experience with Container architecture - Docker/Jenkins and build scripts,
help maintain code quality, organisation, and automation
- Must have done multiple projects using React js, Redux, node js, and MongoDB with
Cross browser/device compatibility.
-Working Knowledge of common Javascript Libraries such as jQuery.
-Working understanding of Webpack, Babel & other pre-processing tools.
-Good Understanding of REST Apis
-Good understanding of AJAX and its UI implications
- Good knowledge of events handling in client-side and server-side.
- Good knowledge of code versioning tools, such as Git/bitbucket
- Good logical and mathematical programming skills with good communication skills.
- At Least 2-3 live projects
- NodeJS knowledge is a plus
-Good hands-on experience with ES6 & knowledge of the upcoming syntax of ECMAScript.
-Huge plus if you have experience in working with state management libraries like Redux, MobX etc. in React.js.
- Collaborate with product, design, and other engineering teams to brainstorm and resolve complex problems.
- Ensure the quality of code is up to the highest standard of readability, conciseness, efficiency, modularity, and extensibility.
- Experience with the entire Software Development Life Cycle (SDLC)
- Solid communication skills: Demonstrated ability to explain complex technical issues to both technical and non-technical audiences
- Talking to customers and business teams to suggest improvement areas in product flows.
- Create peer learnings for team members and build context for new teammates
- Help with building the company's tech team and iterating on the hiring framework.
- Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
- Keeping abreast with the latest technologies and working on your skills regularly.
Must-haves
- At least 3 years of experience working in frontend for desktop and mobile web.
- Familiar with design tools and convert them to actual code (HTML+CSS+JavaScript)
- Mastery in DOM Manipulation (including Jquery) and understand components, CTAs.
- Well-versed in other non-vanilla languages (ex. TypeScript)
- Well-versed in standard frontend framework (ex. ReactJS)
- Understanding of GraphQL APIs.
- Deep understanding of web technologies in various mobile systems
- Have empathy for the users you build for
Good to have
- Experience in the fintech industry
- Experience leading design and implementation of robust and secure web services.
ReactJS and/or React-Native and Redux.
Experience working with NextJS.
Deep understanding of RESTful technologies, microservices, and API integration
Strong understanding of HTML and CSS.
Systemic exposure to VCSl (GIT), Issue tracking (JIRA), Knowledge based
(Confluence)
Exposure to AWS and DevOps culture
Experience with Writing unit tests using JEST
Exposure to Axios, Lodash and other common front-end development tools such as
Babel, Webpack, NPM, etc.
Ability to continuously structure and organize the code base, anticipate
technical-debt, and do peer code reviews.
Good to have: Domain knowledge in the BFSI tech stack.
We are looking for an excellent experienced person in the Frontend Development field. As a frontend developer, you will be closely working with our team to ensure the system consistency and improve your experience.
Responsibilities:
• Ensure the technical feasibility of UI/UX 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
• Collaborate well with team and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements:
• Proficient understanding of web markup, including HTML5, CSS3, ReactJS, Nodejs
• Responsive and Mobile Design
• Cross-Browser Development
• Problem Solving Skill
• Basic understanding of server-side CSS pre-processing platforms
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NodeJS and PHP)
Primary Skills:
• Ability to improve the performance of the website for both mobile and desktop.
• Come up with efficient, modular and scalable solutions for business and technical problems.
• Break projects into simpler granular tasks, estimate effort required and identify dependencies.
• Write efficient and readable code leveraging on a good understanding of object-oriented principles and design patterns.
• Follow release cycles and commitment to deadlines.
Yes, We are allowing working from home for most of the profiles and maintaining all precautions in the office also.








