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.

·      7+ years of professional experience in front-end development.

·      5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

Requirements

• 3.5+ years of experience in React JS and Redux
• Expert in React.j, ideally using TypeScript language extensions
• Good understanding of JavaScript Design Patterns
• Good experience writing front-end test cases
• HTML5, CSS3 and Responsive web design are mandatory
• Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
• Self-motivated, fast learner, detail-oriented, team player and a sense of humour

 What you need to have:

• Minimum of 4 years (and above) experience in modern UI frameworks like ReactJS web/Native
• Experience and expertise in HTML, CSS and Javascript
• Familiar with UI design concepts and user interface design
• Experienced user of the GIT/GITHUB repository
• Experience with hands on UI development
• Experience in modern UI frameworks like ReactJS web/Native

• You have a minimum of 6 years of experience building high-performance consumer-facing mobile applications at Product companies of a decent scale.
• You have founded/worked in a start-up and have worked in an enterprise environment You have a keen eye for mobile architecture and have led/participated in architectural discussions.
• You have a passion for mentoring and helping people on your team grow and achieve their goals and work with cross teams.
• You practice test-driven development and you are able to drive agile practices.
• You have worked with multiple languages/frameworks and have expertise in any one programming language/framework/stack.
• You have published reusable packages.
• You have worked with building automation, devise farms, multi-target testing.
• You are able to optimize the application for performance and speed.
• You are an excellent collaborator & communicator.
• You know that start-ups are a team sport.
• You listen to others, aren’t afraid to speak your mind and always try to ask the right questions.
• You are excited by the prospect of working in a distributed team and company

Tech Stack

• HTML5 (DOM)
• CSS 3
• Javascript (E6)/Typescript
• React Native/React/Angular/NativeScript/Vue
• In-depth knowledge of how frameworks works
• GraphQL
• Javascript ecosystem
• Linters
• Code formatters
• Transpilers
• Bundlers
• Testing tools(Jest, Enzyme)
• You are comfortable with caching, performance optimization, etc
•  You are comfortable with native mobile development
• Java/Kotlin/Android
• Swift/iOs

Requirements and Qualification

• 4-7 years of experience.

• Bachelor’s degree in engineering

• Assess the technical feasibility of UI/UX designs

• Develop new user-facing features

• Build reusable code and libraries for future use

• Optimize application for maximum speed and scalability

• Assure that all edge cases are handled

• Collaborate with other team members and stakeholder

• Good understanding of responsive web development

• Proficient understanding of cross-browser compatibility issues and ways to work around them

• Basic understanding of SEO

• 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 for state management (such as Redux/Mobx)
• Familiarity with 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 
• A knack for benchmarking and optimization 
• Experience in Python or Java/Kotlin development

Looking for someone to join our startup and work with us on several different projects. Strong communication skills are a must. 
Skills:

• Candidate with 2+ yrs of experience in UI development or theme implementation.
• Mandatory proficient understanding of web markup, including HTML5, CSS3, Javascript, JQuery, Bootstrap, Photoshop.
• Front-end (CSS) frameworks like Foundation or Bootstrap, Semantic UI.
• Design wireframe/layout for website, web application, mobile apps.
• Up-to-date, in-depth knowledge of modern HTML, CSS and JS.
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• An eye for design to pixel perfect website conversion.
• Hands on experience on creating responsive websites using media queries (not just Bootstrap).
• Working knowledge of cross-browser-compatibility and different sizes of different screens.
• Self-motivated, good communication and ready to learn attitude.
• Experience with various JS libraries like jQuery, BackboneJS, UnderscoreJS etc.
• Experience in layout designing & theme conversion on open source CMS’s like WordPress, Drupal.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Optimize application for maximum speed and scalability.
• Good understanding of SEO principles and ensuring that application will adhere to them.
• Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them. - Proficient understanding of code versioning tools, such as Git

Responsibilities:

• Develop new user-facing features.
• Build reusable code and libraries for future use.
• Develop functional and appealing web and mobile-based applications based on usability
• Provide website maintenance and enhancements.
• Translation of the UI/UX design wireframes to actual code that will produce visual elements of the application
• Ensure the technical feasibility of UI/UX designs.
• Maintain graphic standards and branding throughout the product’s interface
• Stay up-to-date on emerging technologies promotes usability best practices.
• Optimize application for maximum speed and scalability. 
• Collaborate with other team members and stakeholders.
• Create quality mockups and prototypes on tight timelines.
• Proficient understanding of cross-browser compatibility, devices, responsive issues and ways to work around them.