UI 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

Job Title: UI Developer

Experience: 4 to 6 Years

Location: Bangalore

Notice Period: Immediate to 30 Days

Job Description:

We are seeking a skilled and passionate UI Developer to join our growing team. The ideal candidate will have strong experience in front-end development with a focus on creating dynamic, responsive, and user-friendly interfaces using JavaScript, HTML, CSS, and AngularJS.

Key Responsibilities:

• Develop and maintain scalable and high-performance UI components.
• Collaborate with UX designers, product managers, and backend developers to deliver high-quality user interfaces.
• Ensure consistent styling and responsive design across platforms and devices.
• Optimize application for maximum speed and scalability.
• Debug and troubleshoot UI-related issues and performance bottlenecks.
• Participate in code reviews and contribute to best practices in UI development.

Required Skills:

• 4–6 years of hands-on experience in JavaScript, HTML5, and CSS3.
• Strong working knowledge of AngularJS and ability to work on Angular-based projects.
• Experience with responsive design principles and cross-browser compatibility.
• Proficiency in version control tools like Git.
• Familiarity with RESTful APIs and integration with backend services.
• Good understanding of UI/UX principles.

Job Overview:

We are looking for a passionate and skilled React.js Developer with 1-2 years of experience in front-end development. The ideal candidate will be responsible for developing and maintaining web applications using React.js while ensuring high performance, responsiveness, and seamless user experiences.

Key Responsibilities:

• Develop and maintain responsive web applications using React.js.
• Collaborate with designers and backend developers to implement UI/UX designs.
• Optimize components for maximum performance across multiple devices and browsers.
• Work with RESTful APIs and integrate third-party services.
• Troubleshoot and debug application issues.
• Maintain clean, scalable, and reusable code following industry best practices.
• Participate in Agile development processes, including scrum meetings and sprint planning.

Required Skills:

• Strong proficiency in React.js, JavaScript (ES6+), HTML, and CSS.
• Knowledge of Redux, Context API, or other state management libraries.
• Experience with RESTful APIs and asynchronous programming.
• Familiarity with Git version control.
• Understanding of responsive design and cross-browser compatibility.
• Basic knowledge of Node.js (preferred but not mandatory)

Frontend developer @ Kredmint

What we are looking for 

• Bachelors in Computer Science or equivalent industry experience
• 2+ years of experience as a Frontend Engineer
• Experience with React, Javascript, and Redux. Experience with Node.js, Enzyme, and Jest is a plus
• Understanding of asynchronous javascript handling
• Previous experience in working with UI libraries.

What you need to have:

We are looking for a Product Engineer - Frontend Engineer to join our early stage startup with experience in building B2C products. 

If you have experience of working in product based companies (preferably startups), good to excellent coding skills in react js and typescript, have a keen eye for details in the UI, and are looking to build exciting things that children across the world will use - come talk to us!

What you get to do:

• Design and build advanced applications from scratch keeping scalability and performance in mind
• A good handle on both client and server architecture.
• Work on bug fixing and improving application performance.
• Comfortable in owning large scale products and continuously re-evaluating and innovating.

Who are we looking for:

• Bachelor's degree or equivalent in Computer Science
• 1+ years' experience in frontend development
• Familiarity using Scrum/Agile development methodologies
• Experience building object oriented web applications in React JS, Typescript, HTML5, and CSS3
• Should be a quick learner and willing to go the extra mile in delivering the projects.
• Should be able to mentor junior folks whenever necessary.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Prior experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with more current specifications of EcmaScript
• Prior experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Familiarity with HTML / CSS
• GIT experience is a plus
• 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
• Familiarity with code versioning tools

1. Work closely with design, product management, and development teams to create elegant, usable, responsive, and interactive interfaces across multiple devices.
2. Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and maintainability of the code.
3. Implement UI development principles to ensure that the product client-side serves at scale.
4. Review and optimize app usage by monitoring key metrics and rectifying the issues proactively.
5. An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
6. Developers should be team player or should work individually when required.
7. Developer should work parallel to backend developers.

1. 1 to 2 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
2. Proficiency in HTML, CSS, JavaScript, and jQuery.
3. Good understanding of APIs and how to use them to get the work done fast.
4. Proficiency in writing clean and optimized code.
5. Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system.
6. Experience debugging using popular JavaScript-based tools like Chrome Developer Console.
7. Knowledge of ReactJs/VueJs & Python will be a plus