Frontend Developer React Native Engineer

Passionate about education? Join us at CK-12 !!

CK-12 (www.ck12.org) is on the lookout for talented, creative, and dedicated people to join our mission to provide great education to students around the world. We are looking for candidates to join our office in Bangalore.

We have a strong education platform that has served over 352+ Million users, have got over 2.88+ Billion questions answered, and have more than 350 thousand customized Flexbooks. We have embarked on an exciting journey to build an AI-powered student tutor and Teacher Assistant to build the next generation of learning platforms.

About CK-12 Foundation

CK-12’s mission is to provide free access to open-source content and technology tools that empower students as well as teachers to enhance and experiment with different learning styles, resources, levels of competence, and circumstances.

To achieve this noble and ambitious vision, we at CK-12 are challenging the traditional model of education to transform it dramatically. Technology has opened up lots of opportunities to revolutionize education for the benefit of students, teachers and parents.

We have chosen to be non-profit so that we can effectively realize our mission and do the right thing! It also provides us with the ability to experiment with big and bold ideas. CK-12 is backed by Vinod Khosla, a renowned technology venture capitalist.

At CK-12, you’ll experience the benefits of working in a dynamic, entrepreneurial, innovative and non-bureaucratic environment where you will get a lot of cool things done than you ever imagined! We are a small group of passionate folks who are determined to disrupt the current form of education.

Technology is key to scale education and we deeply believe in it. Come develop great solutions on our cloud-based (AWS) and AI-first platform delivering rich and interactive content.

Does our mission, people and technologies excite you? If the answer is YES! and you are a great technologist who will challenge status-quo (no order takers please!) by innovating, please come join us! Together, we will change the world!

Check out our latest product offerings

• Introducing Flexi 2.0
• Flexi, our AI-powered Student Tutor – https://www.flexi.org/
• AI-powered Teacher Assistant – https://www.ck12.org/pages/teacher-assistant/

Location: https://goo.gl/maps/NkA2Hr8JhtE3raWr5

Frontend UI Developer (React)

Location: Bangalore

Basic

• Passion for creating great user experiences that are simple and intuitive.
• Good understanding of CS fundamental algorithms and Data Structures.
• Great problem solver.
• Understands and researches different front-end frameworks and patterns to implement great user interfaces.
• Implements solutions keeping in mind the user experience, multi-devices, performance across devices, and bandwidths to provide intuitive user experiences on multiple devices.
• Ability to work in an Agile environment with rapid iterations.
• Creates and reviews high-level designs.
• Creates detailed designs from high-level designs and reviews designs of other team members.
• A Code Craftsman who follows the best software development and coding practices, delivering understandable and maintainable code with thorough unit test coverage.

Required

• Bachelor's or Master's degree in Computer Science or equivalent.
• At least 9+ years of experience.
• Hands-on experience with front-end frameworks like React, Redux, Webpack, and Lerna.
• Expert knowledge of Object Oriented Programming, design, and development.
• In-depth knowledge of browser internals and architecture.
• Expert knowledge of Object Oriented JavaScript, HTML5, CSS3, CSS3 transitions and transformations, JSON, Web Services (REST), XML, and W3C standards.
• Experience with responsive web design, media queries, and delivering functionality that works across a range of client devices/browsers from desktops and laptops to mobile platforms.
• Experience with UI design patterns, security, performance, and usability.
• Familiarity with standard development tools like version control systems (Git) and build tools like Grunt.
• Adept at AI coding assistants, leveraging them beyond prompting.
• Working experience in skill and tool development and usage in AI coding tools.

Desired

• Working experience with ES6 and Node.js.
• Experience in a driven, distributed, and agile development environment.
• Experience with performance optimizations to deliver a great website experience to all users.
• Familiarity with Storybook for React or similar frameworks.

Experience: 5-10 years experience

Location: Bangalore

Required Skills and Experience:

• 5-10 years of experience in front-end development, with a strong focus on React.js.
• Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
• Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
• Hands-on experience with RESTful APIs, Server Sent Events, WebSockets
• Hand’s on experience with web components, microfrontends
• Deep understanding of browser apis like history, intersectionobserver, event handling, virtual panes, drag and drop etc
• Ability to work on a complex and fast moving code base.
• Familiarity with TypeScript and its integration with React applications.
• Strong problem-solving skills and attention to detail.

Job Title:

Front-End UI Software Developer

📍 Location: CoKarma, Madhapur, Hyderabad

🕘 Work Mode: On-site (Monday to Friday)

🏢 Department: Product Engineering

About Telebu:

Founded in 2003, Telebu Communications is a 20+ year-old technology-driven, product-based company that helps enterprises build better relationships with their customers and employees. We offer cutting-edge communication tools across SMS, Voice, Video, and Chat via APIs, SDKs, and SaaS platforms.

With offices across India, the Middle East, and the US, we are committed to delivering seamless and scalable communication solutions to clients globally.

Role Overview:

We are looking for a Front-End UI Software Developer with a keen eye for detail, design sensibility, and technical proficiency. You’ll collaborate with UX designers and backend developers to bring stunning and intuitive interfaces to life for our communication products.

If you’re passionate about crafting clean, scalable, and responsive web interfaces — we’d love to meet you.

Key Responsibilities:

• Build and maintain responsive user interfaces using HTML5, CSS3, and JavaScript.
• Develop front-end features using React.js, Angular, or any modern front-end framework.
• Work closely with product designers and backend developers to implement sleek and user-centric UI designs.
• Optimize components for maximum speed and scalability.
• Ensure cross-browser compatibility and mobile responsiveness.
• Debug UI-related issues and improve application performance.
• Stay up to date with the latest UI/UX trends, front-end technologies, and coding practices.

Key Requirements:

• 1–3 years of experience in front-end development.
• Proficient in HTML5, CSS3, and JavaScript.
• Hands-on experience in React.js, Angular, or Vue.js.
• Experience with RESTful APIs and integrating UI with backend systems.
• Familiarity with version control tools like Git.
• Knowledge of UI frameworks like Bootstrap or Material UI is a plus.
• Strong understanding of responsive and adaptive design principles.
• Good communication skills and team spirit.

Perks & Benefits:

• 5-day work week (Monday to Friday)
• Dynamic work culture with exposure to global projects
• Office location in the heart of Hyderabad’s tech hub – CoKarma, Madhapur
• Opportunity to work on impactful, large-scale communication products

LogiNext is looking for a technically savvy and experienced Engineering Leader to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.

You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.

Responsibilities

• Lead and direct UI/UX team, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
• Define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of advanced visualization products
• Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components
• Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces
• Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies
• Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices
• Understand and coach/teach others, show a high level of ethics and team-work

 Requirements

• Bachelor/Master’s degree in Computer Science, Information Technology or a related field
• 10+ years of experience in developing responsive, elegant, efficient and cross-browser front-end applications
• Hands on experience on various MVC frameworks, UI libraries and tools such as Angular, ReactJS, HTML5, CSS3, D3.js
• Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps
• Familiar with UX processes and design
• Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership
• Excellent written and oral communication skills, judgment and decision making skills

• Designing and developing interactively Adapting / Responsive web applications using best practices on ReactJs and the latest front-end technologies.

• Writing tested, idiomatic, and documented JavaScript, HTML and CSS, LESS / SASS.

• Cooperating with the back-end developer in the process of building the RESTful APIs.

• Participate in complex technical and design decisions for ReactJs projects.

• Ensuring high performance of applications (on mobile and desktop) and providing support.

• Work closely with design teams, development teams and testing teams.

• Coordinate team deliverables assuring Quality and Completeness.

• Unit Testing.

Technical Skills:

• Highly Skilled with proven experience in React 16+ and its State Management tools like Redux, styling framework like Material UI.

• Proficient in CSS, LESS / SASS, Semantic HTML, and writing cross-browser compatible code.

• Extensive experience using JavaScript/ Typescript, HTML5, CSS/CSS3, LESS/SASS, Bootstrap, AJAX, JSON, Gulp, Grunt etc.

• Good Knowledge in Rest APIs/ GraphQL.

• Experience in tools such as GIT / SourceTree / Bit Bucket, JIRA, Confluence, etc.

• Should have understanding of the agile methodology

• User should have basic knowledge on tools like Figma / Adobe XD and photoshop etc.

Nice to have:

• Nice to have knowledge in Angular, NextJs.

• Nice to have knowledge in Progressive Web Application (PWA), Service Worker and Web Worker, etc.

• Best practices for Website Accessibility (WCAG)

Personal Traits:

• Strong Verbal and Written communication skills, such as meeting facilitation, presentation and documentation

• Work day-to-day with development team, QA testing team, providing expert support to each as needed and appropriate.

• Lead and Coordination experience with critical thinker and good problem-solver.

Education Qualification

• UG: B. Tech / B.E. – Computers OR PG: MCA / M. Tech

Key Responsibilities

• Design and Build complicated Workflow
• Understanding the user persona and deliver slick experience
• Experience in JavaScript (ReactJS / Redux) React Native, HTML, CSS, JQuery, HTTP
• Strong understating of XML, JSON, DOM, and w3c standards
• Providing technical expertise for every phase of the project lifecycle; from concept development to solution design, implementation, optimization and support
• Be an Interface with Stockholder sand architects to create technology specifications from business requirements for one or more modules within the project
• Responsible to prepare the technical design of the components within the module (one or more of client/web presentation tier, server tier, data access and data model, integration component, package function customization)
• Proficient in articulating the pros and cons of using a certain technology stack or component or design pattern versus another to the clients and project team and drives selection of technologies, designs to come up with the optimal architecture
• Drives the performance tuning, re-design and re-factoring for a module
• Contributes to designing and implementing the build, release process as well as system configuration and deployment characteristics of the application
• Implements (hands-on) the module components based on prevailing Framework and Open-source standards & its best practices.
• Mentors the team (people working on the module and other project team members) on technology concepts and best practices for design, implementation and other processes

As a Front-end developer, you will work with motivated individuals who are passionate-beyond-measure to offer the Ultimate Shopping experience to consumers. You will leverage the latest technologies (HTML5, Javascript, ajax) and application paradigms (web apps on the desktop) to create a beautiful client that runs seamlessly on windows, mac, chrome, firefox, IE, safari.

Responsibilities:

• Implement Visual Designs in standards compliant, clean markup (HTML5/CSS3/JS)
• Develop responsive designs and thoroughly test cross browser compatibility of all product interfaces
• Identify and research new UI technologies
• Suggest and implement improvements to existing product interfaces
• Assist in building wireframes/prototypes
• Make data driven decisions based on analytics to improve user engage
• Advise, collaborate with, and synthesize feedback from designers and the backend team.
• Ready to explore and perform tasks that are out of your own pool of expertise
• Fulfil several project requests simultaneously while meeting tight deadlines.
• Make pages optimized for both performance as well as SEO

Requirements:

• Expert in making scalable and modular Front End code
• In depth knowledge of HTML, CSS & JavaScript
• Good experience in making Progressive Web Apps
• Knowledge of cross browsers & devices development issues and inconsistencies
• Good knowledge and experience in ReactJS and Server Side Rendering
• Experience in setting up & running task runners like Gulp & Webpack
• Experience in CSS pre and post processors like SASS/Stylus & PostCSS (we use SASS combined with PostCSS) & BEM style coding
• Experience in creating transitions/animations at 60fps especially on mobiles

• Should have experience in  developing and working on consumer facing web/app
• Proficient understanding of JavaScript libraries and frameworks ReactJS
• Proficient understanding of server side rendering through Next.js
• Proven skillsets in responsive Web UI development for enterprise application using technologies such as HTML5, CSS, JavaScript, JQuery, Bootstrap, React JS Good understanding of Data Structures, Algorithms and Operating Systems
• Should have experience on HTML5/CSS3, Javascript ,Redux, APIs Integration
• 3-4 years of experience in building client side cross platforms javascript apps in Web & mobile.
• Good experience of developing and integrating APIs
• Develop high-quality software design and architecture
• Review and debug code
• Find and address performance issues
• Proficient understanding of Git

Primary Skill: Java Script

Secondary: HTML5,JS Library- React.js,React JS,User Experience Design

HTML, CSS, CSS3, JavaScript, Object Oriented JS, Angular JS, Ecma Script (ES6),React JS/Angular/TypeScript

Basic understanding of HTTP protocol, Web Application Design/Architecture

OOPS concept, JSON, AJAX

Knowledge of REST API

Basic understanding of Git

Basic understanding of client-server communication

Ready to take up challenges at work

Learning ability

Team spirit

Basic understanding of single page web application

Analytical Skills

Communication

Adaptability

Logical and Problem Solving