
About Instazen
About
Instazen is building a cutting edge software platform for small to medium-sized enterprises. We have a razor focus on the user and on usability. We are building a team of passionate software artisans to build a world-class product. If you know Python or Javascript and are interested in us, do write in.
Connect with the team
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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: Associate Frontend Engineer
Job Summary:
We are looking for a passionate and motivated Associate Frontend Engineer with 1 to 2 years of experience to join our product engineering team. In this role, you will work closely with experienced developers and designers to build seamless, performant, and user-friendly interfaces using modern JavaScript frameworks. You’ll gain hands-on experience in building production-ready web applications and learn how to deliver high-quality UI at scale.
This opportunity is ideal for individuals who are early in their careers and eager to grow through real-world development, mentorship, and continuous learning.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Assist in developing and maintaining responsive, accessible, and performant web user interfaces.
- Work with modern JavaScript frameworks/libraries such as React, Vue, or Angular to build modular, reusable components.
- Translate UI/UX designs from tools like Figma into pixel-perfect, production-quality code.
- Write clean, maintainable, and well-documented HTML, CSS, and JavaScript (ES6+).
- Collaborate with product managers, backend engineers, and designers to deliver complete, integrated features.
- Learn and apply best practices in state management, component-driven development, and API integration.
- Participate in code reviews, understand and follow design systems, and contribute to a culture of code quality.
- Debug and resolve cross-browser, cross-device, and performance-related UI issues.
- Use tools such as Git, CI/CD pipelines, and frontend build tools (e.g., Webpack, Vite) as part of your daily workflow.
- Begin working with TypeScript, Tailwind CSS, and popular UI libraries (e.g., Material UI, Bootstrap) to enhance development efficiency and consistency.
- Follow accessibility guidelines and responsive design principles, ensuring your UI works for all users.
- Gain exposure to linting tools, formatters, testing libraries (unit/integration/e2e), and performance profiling using browser dev tools.
Requirements:
- 1 to 2 years of experience in frontend development through internships, academic projects, freelance work, or personal side projects.
- Solid understanding of HTML, CSS, and JavaScript (ES6+) fundamentals.
- Familiarity with at least one modern JavaScript framework (React, Vue, Angular).
- Understanding of version control systems like Git and ability to collaborate in a team-oriented development workflow.
- Willingness to learn and apply best practices in UI performance, security, accessibility, and maintainability.
- Strong problem-solving abilities, attention to detail, and eagerness to grow through mentorship and feedback.
- Effective communication skills and ability to work in a fast-paced, agile team environment.
About the Role
We are seeking an experienced Senior React Web Developer to join our product development team. As a Senior React Web Developer, you will be responsible for developing and maintaining our web applications using ReactJS and Material UI. You will work closely with other developers, designers, product managers, and stakeholders to create high-quality, user-friendly, and scalable software.
Key Responsibilities:
● Design and develop high-quality, responsive, and user-friendly web applications using ReactJS and Material UI.
● Collaborate with product managers, designers, and stakeholders to ensure the project meets the business requirements and user needs.
● Write clean, maintainable, and efficient code.
● Optimize the application for maximum speed, scalability, and usability.
● Develop reusable UI components and libraries.
● Ensure the technical feasibility of UI/UX designs.
● Identify and troubleshoot bugs and issues.
● Stay up-to-date with the latest trends and technologies in ReactJS, Material UI, and front-end development.
● Participate in code reviews and contribute to the development of best practices.
● Mentor and guide junior developers in the team.
Requirements:
● Bachelor’s degree in computer science or related field.
● At least 7 years of experience in front-end development, with at least 4 years of experience in ReactJS and Material UI.
● Strong proficiency in JavaScript, CSS, HTML, and related web technologies.
● Experience with Redux, Redux Saga, and other state management libraries.
● Experience with building scalable and complex web applications.
● Strong problem-solving skills and attention to detail.
● Experience with Agile development methodologies.
● Strong communication and collaboration skills.
● Experience with Git and version control.
● Ability to work independently and as part of a team.
Preferred:
● Experience with GraphQL and Apollo Client.
● Experience with server-side rendering using Next.js.
● Experience with AWS or other cloud providers.
● Experience with CI/CD pipelines and automation.
● Experience with testing frameworks like Jest, Enzyme, or Detox.
● Experience with UX/UI design and prototyping tools.
What you’ll do 💯
- Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements
- Developing the exact pixel-perfect & Responsive UI from the designs provided
- Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals
development efficiency.
- At least 2 Years of relevant work experience in React JS
- Experience in developing responsive Web Applications Development and reusable UI elements
- Architect and develop scalable and maintainable applications
- Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices
If you are interested in creating a user-friendly environment by writing code and moving forward in your
career, then this job is for you.
Building highly optimised reusable components for maximum performance across a vast array of devices.
Translating designs and wireframes into high quality code.
Troubleshoot and debug to optimize performance.
Support the entire application lifecycle (concept, design, test, release and support).
Write automated tests to ensure the product is of the highest quality.
Experience with Continuous Integration.
Ability to work independently in a fast-paced environment.
Required Skills
Minimum 2 years working experience on Front-end technologies like React, Webpack/Rollup, CSS, Node.js,
Object oriented JS, CSS in JS, TDD etc.
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 (such as Redux)
Experience with data structure libraries (e.g., Immutable.js)
Knowledge of Isomorphic React, Server Side Rendering, Chunk Splitting etc.
Familiarity with RESTful APIs to connect Mobile applications to back-end services
Familiarity with modern front-end build pipelines and tools. Experience with common front-end
development tools such as Babel, Webpack, npm etc
-
This job is on Contrecting role Max $70/hr
Java or Scala web developer with 8 to 12 years of experience and strong fundamentals/proficiency in core technologies used for web development - HTML, CSS, JavaScript, Spring and Hibernate (to include relational database experience). -
Object oriented analysis and design patterns using Java/J2EE technologies,
-
Knowledge on Spring Framework, MVC architectures, ORM frameworks like Hibernate
-
Experience with Restful Web Services, data modeling
-
Strong experience in relational database design and development (preferably with Oracle) and understanding of NoSQL databases like HBase, Druid, Solr
-
Experience working with event/message-based communication platforms such as Kafka, ActiveMQ etc.,
-
Experience working with Hadoop technologies and Spark framework
-
Working proficiency in build and development tools (Maven, Gradle, Jenkins)
-
Experience with test frameworks like JUnit, Mockito
-
Experience in front end development using modern JavaScript frameworks and charting frameworks
Requirements:
Bachelor’s or Master’s Degree in Computer Science, Engineering or related field of study.
3+ years of experience in developing web applications using Javascript, HTML, CSS.
2+ years of experience using ReactJS
Skill Set:
- Expert in Reactjs
- Proficient understanding of web markup, including HTML5, CSS3, client-side scripting and JavaScript frameworks, including jQuery.
- Good understanding of server-side CSS, pre-processing platforms, such as LESS and SASS
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image.
- Familiarity with tools such as Gimp or Photoshop is a plus.
- Good understanding of cross-browser compatibility issues and ways to work around them
Mandate Skills : Javascript, Angular2/4, HTML5, CSS3
Experience need : 2-4 Years
Relevant Experience : At-least Around 2 years into Javascript,Angular 2/4.
Hiring Mode : Permanent
Notice period : Immediate /30 Days
Requirements :
- Thorough understanding of Angular 2 and above, and its core principles
- Should have excellent front-end UI development skills.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Should be proficient in HTML, CSS and Bootstrap.
- Building reusable components and front-end libraries for future use
- Translating designs and wire-frames into high-quality code
- Experience with web-pack
- Should have experience on working within an Agile environment and with Continuous Delivery practices.
- Should be good at communicating and have a passion for working hand in hand with designers.
- Proficient understanding of Git and related services like GitHub, BitBucket etc.











