HTML Developer

About koolio.ai

Website: www.koolio.ai

koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond—easily. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.

About the Full-Time Position

We are looking for a Junior Frontend Engineer to join our fast-growing team on a full-time, hybrid basis. You will be a key contributor in enhancing the user interface of koolio.ai’s AI-powered platform, driving innovation and excellence in audio content creation. You will collaborate closely with senior developers and designers to deliver high-performance, user-friendly web applications that delight our customers.

Key Responsibilities:

• Collaborate with the product and design teams to develop and implement user-friendly web interfaces
• Write clean, efficient, and reusable code using modern frontend technologies
• Ensure responsive design and optimize web pages for performance and scalability across devices
• Debug and resolve issues, improving the overall user experience on the platform
• Assist in integrating APIs and frontend services with the backend
• Stay up-to-date with the latest trends in frontend development and suggest improvements to enhance the platform’s functionality

Requirements and Skills:

• Education: Degree in Computer Science or a related field
• Work Experience: Minimum of 1-2 years of proven experience as a Front-end Engineer or similar role with a focus on user interface development
• Technical Skills:
• Strong proficiency in JavaScript frameworks like ReactJS or Redux
• Proficiency in frontend languages such as HTML, CSS, and JavaScript (ES6+)
• Experience with CSS frameworks (e.g., Bootstrap or Tailwind CSS) for responsive design
• Basic understanding of REST APIs and integration with frontend applications
• Knowledge of version control systems (e.g., Git) and best practices in code management
• Soft Skills:
• Strong attention to detail and a focus on delivering high-quality work
• Ability to work effectively in a remote, collaborative environment with distributed teams
• Willingness to learn new technologies and adapt to a fast-paced startup environment
• Excellent communication and time-management skills, with the ability to manage multiple tasks simultaneously
• Other Skills: 
• Familiarity with Figma or other design tools is a plus. 
• Understanding of SEO principles and how frontend development impacts web performance

Compensation and Benefits:

• Total Yearly Compensation: ₹8-12 LPA based on skills and experience
• Health Insurance: Comprehensive health coverage provided by the company
• ESOPs: An opportunity for wealth creation and to grow alongside a fantastic team

Why Join Us?

• Be a part of a passionate and visionary team at the forefront of audio content creation
• Work on an exciting, evolving product that is reshaping the way audio content is created and consumed
• Thrive in a fast-moving, self-learning startup environment that values innovation, adaptability, and continuous improvement
• Enjoy the flexibility of a full-time hybrid position with opportunities to grow professionally and expand your skills
• Collaborate with talented professionals from around the world, contributing to a product that has a real-world impact

Mandatory Skills 

1. Very strong hands on experience of web technologies: - HTML JavaScript,  HTML5/CSS3,
2.      3 + years of UI Development Experience
3. Has implemented coding patterns and built UIframework
4. Cross browsers support/experience and knowledge of DOM manipulation on different browsers
5. Performance enhancements on web page load and execution
6. Experience with tools like   Firebug.
7. Basics knowledge on Ajax, jsp etc.
8. Experience in Adobe Photoshop & Adobe Dreamweaver to mock up UIelements.
9. Knowledge in any prototyping tools.
10. Use responsive web design to create applications that automatically conform to multiple screen sizes/devices.
11. Conduct usability testing to identify and fix UIissues
12. Familiar with popular UIlibraries like Sencha, AngularJS, ExtJS & JQuery
13. Collaborate with business analyst to discuss user interface requirements and brainstorm UIideas.

Job roles and Responsibilities: 

• Ability to develop UIframework on JavaScript and CSS which confines to requirement of Solutions.
• Ability to work on cross browser compatibility
• Develop reusable components.
• Work closely with other developers in the team

Work Responsibilities

• What You’ll Do:
• Engineers will develop and improve features for products such as WebView pages called from within Mercari’s web version and native app, along with tools used by the Customer Support Team for answering user inquiries and providing transaction support.
• Senior engineers in the Frontend Team are expected to use their technical skills to lead the team and product development, train members through design and code reviews, and make contributions and improvements to the hiring process, including technical tests.
• Development Environment:
• Languages: HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright
• Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
• Configuration management tool: Terraform
• Other: Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker, Datadog

Minimum Requirements

• Shared understanding and belief in Mercari Group's mission and values
• At least 3 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
• Experience with developing and operating large-scale products
• Ability to design and develop with performance and scalability in mind
• Ability to use HTML and CSS to implement solid user interfaces
• Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React, Vue.js, and Angular
• Able to understand and explain web operation principles and browsers
• Understanding of version management and ability to participate in development via Git
• Effective communication skills, needed for product development with team members and with other teams

Preferred Requirements

• Extensive knowledge of standard web technologies and specialized knowledge in some areas, like TypeScript, React.js, Next.js, Redux
• Understanding of the characteristics of different libraries/frameworks and the ability to introduce them to projects where necessary
• Ability to design architecture based on the characteristics of the app
• Ability to consistently take initiative in implementing improvements to the app
• Project management and/or team leadership
• Cloud development experience (preferably GCP or AWS)
• Experience contributing to an open-source project
• Familiarity with CI systems and the release process

Working Conditions

Employment Status

Full-time

Office

Bangalore

• Hybrid Workstyle

• 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
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

• Proven work experience as a Frontend developer
• Hands on experience with markup languages
• Experience with JavaScript, CSS and jQuery and Bootstrap framework
• 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 and AMP is a plus
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills
• BSc degree in Computer Science or relevant field

We are looking for a full time Reactjs Developer who is well-versed with the process of combining the art of programming with the art of designing.

**Responsibilities:-**

1) Translation of the UI/UX design wire-frames to actual code that will produce visual elements of the application.

2) Work with the UI/UX design team and bridge the gap between graphical design and technical implementation.

3) Should take an active role on both sides and help in defining the look and functionality of the application.

**Skills**

1) Deep knowledge in React.JS Practices

2) Must have minimum 3 years hands-on experience with with NgRX or Redux.

3) Knowledge of JavaScript and HTML5

4) Knowledge of CSS and JS methods.

5) Writing non-blocking code and resorting to advanced techniques such as multi-threading

6) Build and deployment process knowledge. Roles and Responsibilities

Desired Candidate Profile

Perks and Benefits

• 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.

Looking for Senior Front End React JS Developer responsible for development and maintenance of complex business system. Passionate to be part of young and fast paced growing high-end Tech start up

Roles and 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.

Behavior:

• Takes ownership in leading the work & result oriented to see through delivery commitment
• Innovation / Continuous improvement
• Teamwork & Collaboration
• Positive attitude & Role Model
• Customer Focus
• Effective Communication
• Establish guidelines/best practices
• Stake holder management

Qualifications:

• B.Tech/M.Tech/MCA/Msc. (Computers)
• 3+ years relevant experience

Technical Skills:

• Experience developing front end web applications using React.JS
• Experience working with React.JS components
• Hands-on experience with state management using Redux.
• Experience building responsive web applications
• Tech skills - JavaScript, jQuery, CSS3, HTML5, Bootstrap
• Comfortable with integrating RESTful APIs.
• Experience solving cross browser compatibility issues
• Knowledge of good design practices and website architecture
• Very strong quantitative and analytical skills
• Experience with Native iOS and Android app development a plus
• Knowledge of ASP.NET MVC would be nice