UI Developer- React js at LeadSquared · Bengaluru (Bangalore) · 1 - 4 years · ₹4L - ₹15L / yr · Bootstrapped · Posted 27 Feb 2020
The Role
We are looking for full-stack developers with experience in building user interface components for serverless applications using React.
The role involves working with the product management team, understand the business requirements, and take full responsibility of design, development, test and release of the applications.
Requirements:
- Passion for building and delivering great software with a strong sense of ownership.
- 2+ years of experience in building web applications using React with strong CSS skills.
- Independently develop new user-facing features from designs and wireframes
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Experience with popular React.js workflows (such as Flux or Redux)
- Building reusable components and front-end libraries for future use
Good to have:
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Knowledge of AWS platform and scalable application architecture
- Experience with Build and Release, Agile processes and Estimation/Planning
- Knowledge of CSS pre-processors like SCSS and LESS

About LeadSquared
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As a web application developer, your job is to program frontend modules and applications. We are looking for someone with expertise and experience in designing, developing and testing web applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.
Responsibility
- Building interactive consumer data from multiple systems and RESTfully abstract to the UI using React JS ( javascript and typescript) through a Node.js backend
- Create Unit and Integration tests to ensure the quality of code
- Address and improve any technical issues
- Ability to translate Wireframes and PSD Designs into functional web apps
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- Strong commitment to quality and delivery
- Collaborate well with engineers, and specialists to design and create advanced, elegant and efficient system
Requirements:
- Experience creating front end applications using HTML, React JS
- Database – MongoDB, SQL
- Fluent knowledge of latest HTML/CSS standards and best practices
- Experience building Responsive websites for web, tablet and mobile device
- Obsession with lean, clean and organized code
- Solid Understanding of HTTP protocol and how server-side code is processed on the client
- Knowledge of the following will be considered as an advantage
Consumer Web Development Experience for High-Traffic, Public Facing web applications
Experience with cloud technologies also a plus
Creating Unit test cases
Typescript

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Create flexible dashboards and reports (using plotly, d3, etc) and leverage open source technology to
create various components.
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well as smallscale agile startups
Write unit tests and functional tests for the component using tools like Jasmine, Karma, Cypress, etc.
Follow software development practices with continuous testing, development and integration (CD/CI)
Write and maintain technical design documents and new-feature documents
Collaborate closely with developers, engineers, testers, and product managers
Participate in peer-based code reviews and design reviews
Follow agile methodology and encourage collaboration with tools such as GIT, Confluence and Slack
applications
- Experience with Web Components and Custom Elements
- Understanding of data visualization concepts and technologies (SVG, D3.js)
- Familiarity with JavaScript build tools such as Webpack.
- Git Source Control
- Unit and E2E Testing - Cypress.io / Chai / Karma / Jasmine / etc.
- Experience building responsive interfaces.
- Good sense for building visually appealing products.
- Some Node experience
- Experience using RESTful Web Service Architecture
- Experience working in Agile Environments
- To be considered for this role, you must have:
- A deep understanding of building complex, single-page JavaScript apps using frameworks such as Angular, React, or Vue
- Fluency with JavaScript, TypeScript, CSS and SASS
- In this Senior Front End Engineer position, you will:
- Inherit a well-architected, clean and robust codebase built with TypeScript, Angular, and SCSS/SASS with a modern interface
- Work with our design team and other engineers to make sure our application is performant and intuitive to use
- Evaluate and implement new libraries and components
- Ensure best practices are followed in the design and development of the application
- Contribute to and help manage our open source libraries

Detailed Job Description :
Exp – 4- 8 Years
Primary Skill - (3 yrs min in React is required), Typescript/Javascript, HTML/CSS, should be ok
Job Description
We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.
If you’re interested in creating a user-friendly environment by writing code and moving forward in your career, then this job is for you. We expect you to be a tech-savvy professional, who is curious about new digital technologies and aspires to combine usability with visual design.
Ultimately, you should be able to create a functional and attractive digital environment for our company, ensuring great user experience.
Key Responsibilities
- Use markup languages like HTML to create user-friendly web pages
- Maintain and improve website
- Optimize applications for maximum speed
- Design mobile-based features
- Collaborate with back-end developers and web designers to improve usability
- Get feedback from, and build solutions for, users and customers
- Write functional requirement documents and guides
- Create quality mockups and prototypes
- Help back-end developers with coding and troubleshooting
- Ensure high quality graphic standards and brand consistency
- Stay up-to-date on emerging technologies
- Create fast and functional and intuitive interfaces
- Follow coding standards, build appropriate unit tests, integrate tests and deployment scripts
- Translate designs and style guides provided by the UI/UX team into functional user interfaces, ensure cross-browser compatibility and performance
- Suggest improvements to user interface, software architecture or use of new technologies Deliver reliable solutions that handle massive data and high traffic.
Skills Required
- Hands on experience with markup languages
- Experience with JavaScript, CSS and jQuery
- Familiarity with browser testing and debugging
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics
- Knowledge of SEO principles
- Familiarity with software like Adobe Suite, Photoshop and content management systems
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills
- BSc degree in Computer Science or relevant field
- Tech/ M.Tech in CS or other related fields such as EE or MCA from IIT/NIT/BITS but not compulsory.
- Good experience in JavaScript/ReactJS/Nodejs/HTML/jQuery/Css/SASS
- Experience in AngularJs/ Webpack/ Gulp will be a plus point but not mandatory Strong Javascript fundamentals along with experience with libraries.
- Well versed in software engineering principles, frameworks, and technologies
- Takes responsibility for successful delivery of the solutions Communicates continually with the project teams Explains progress on the development effort
- Self-directed team player who thrives in a continually changing environment A hands on and a passionate coder with minimalistic design sense
- Prior start up experience is preferred
- Minimum 4 yrs of experience in React JS.
- Experience building single page frontend applications and reusable components
- Solid experience with the core React ecosystem like React Router, Redux etc.
- Master of HTML, CSS, and other display-centric web technologies.
- Comfortable using git, docker.
- Proficient in Javascript (ES6 / ES7) programming with at least 4/5 years of
- experience.
- Good knowledge in writing frontend test cases.
- Good understanding of asynchronous request handling, partial page updates and Promises.
- Strong Problem Solving skills.
- Strong skills in Javascript and ability to write well documented, clean JavaScript Code.
- Very good understanding of ES6/ES7, JSX and Component Lifecycle.
- Deep practical knowledge of native Javascript, ES6, understanding the internals of frameworks like ReactJS, Angular or any other view libraries.
- Knowledge of modern authorisation techniques, such as JWT Tokens.
- Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc.
- Has strong communication skills and self-accountability.









