Senior React developer

Job Title : Lead Web App Developer – Frontend

Experience : 10+ Years

Location : Bengaluru

Work Mode : Hybrid (3 days in office)

Role Overview :

We are seeking a Lead Frontend Engineer to build and maintain responsive, cloud-based web applications. This role involves developing efficient user interfaces using React.js, collaborating closely with UX and backend teams, and ensuring high-quality code.

Key Responsibilities:

• Frontend Development: Create and maintain web applications using React.js, HTML, CSS, and JavaScript/TypeScript.
• Collaboration: Work with UX designers to deliver excellent user experiences and ensure seamless backend integration.
• Code Quality: Write clean, efficient, and maintainable code while staying updated with modern practices.
• Build & Deployment: Manage build pipelines with Jenkins, deploy to CDNs, and leverage GCP for scalable solutions.
• Technical Expertise: Implement JavaScript frameworks and libraries for web analytics and use Git for version control.

Requirements:

Technical Skills:

• Proficiency in React.js, HTML, CSS, JavaScript/TypeScript, and Node.js frameworks.
• Strong debugging and problem-solving skills.
• Exposure to RDBMS and SQL (preferred).

Soft Skills:

• Excellent communication and collaboration abilities.
• Leadership skills to guide and inspire a team of developers.
• Education: Bachelor's/Master’s in Computer Science or related fields.

Notice Period: 30 days preferred

Interview Process:

1. Technical Round: Online technical assessment (1 hour).
2. Face-to-Face Interview: In-person interview with the team at the Bengaluru office (3 hours).
3. Final Round: Online interview with the CEO (30 minutes).

Additional Information:

• Candidates from Bengaluru or willing to relocate are preferred.
• F2F interview attendance on a weekday is mandatory.

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
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• 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 (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

1.     Significant experience of working in front-end web development
2.     Extensive programming experience in HTML5, CSS3, SASS or LESS, and Bootstrap, Foundation or Materialize
3.     Angular Material, Chart Libraries(D3, Leaflet, Amchart etc).
4.     Solid understanding and development experience in Angular
5.     Experience with Typescript
6.     Experience with tools like Redux, Webpack, Angular CLI and/or Gulp
7.     Experience consuming REST APIs

• Develop web-based application for analytics using Angular
• Integrate and extend Python REST APIs and create visually stunning UI experiences for analysts and users.
• Create flexible dashboards and reports (using plotly, d3, etc) and  leverage open source technology to create various components.
• Create a flexible UI for data analytics and big data usecases which can be used by Large Tier banks as 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
• Undergraduate degree or above in computer science preferred

Required Qualifications

• Knows SPA and frontend technologies well
• Has used atleast 1 web framework: Angular / React / Vue / etc. and comfortable with Javascript/Typescript.
• Experience with styling (CSS / SCSS / others) frameworks like bootstrap, material, foundation, tailwind, etc. is a plus
• Knowledge on visualization frameworks like D3, plotly, highcharts, chart.js, etc. to make customizable dashboards.
• Has used testing libraries like karma, jest, jasmine, cypress, selenium, etc.
• Familiar with with frontend processes like State management (Redux), Reactive programming (rxjs), Authentication methods (JWT, SAML) etc. 
• Basic knowledge about APIs (flask, django, nodejs) and worked on deploying web applications (nginx or apache or cloud technologies like AWS, GCP, docker, etc.) will be beneficial.

• Design and code features for the website application as per the specifications provided by the Product and Design teams.
• Ship features in fast-moving agile sprints.
• Work closely with Backend, Product Design, and Product Management teams to brainstorm and chalk out details of features.
• Ability to build a feature from scratch & drive it to completion

Must have:

• Good understanding of Javascript and Clean architecture.
• Good understanding of asynchronous programming, callback, and closures.
• Strong experience with Javascript frontend framework/libraries like ReactJS
• Understanding of stateless application
• Good knowledge of CSS and its pre-processors like SASS/LESS
• Good understanding of server-side templates.
• Experience with creating cross-browser compatible web apps
• Should be Strong in MySql / Postgres database.
• Stronghold in Data structure and processing JSON

Good to have

• Basic knowledge of CI, CD
• Intermediate knowledge in any cloud services(AWS, GCP)
• Familiar with testing frameworks like Mocha, Cypress