We are looking for a great JavaScript developer with experience in the range of 2 to 6 years, who is proficient in frontend techlogies with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
We are hiring 2 ReactJS Developers. Candidates having experience of working on charts/graphs like d3.js, chart.js will have an added advantage.
Selection Criteria
If your profile has selected then you have to attend a 5 hours assignment to move your candidature to the final round of interview.
Responsibilities
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Technical Skills
- 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 Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- 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
- Familiarity with code versioning tools such as Git.

About Infiniticube Services Pvt Ltd
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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.
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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.
1. Qualifications: Bachelor’s Degree in Computer Science, Information Technology, or a related field
2. Certifications: NA
3. The Experience That Sets You Apart:
● 3+ years of hands-on experience building responsive web apps using React
● Deep understanding of React hooks, component architecture, and state management .
●Experience with Shopify Liquid, themes, and Shopify APIs.
● Experience in building responsive websites and applications that work across various devices and screen sizes
● Strong skills in JavaScript (ES6+), HTML5, and CSS3
● Proven ability to own features end-to-end — from design handoff to production
● Experience integrating with REST APIs and optimizing performance
● Familiar with Git, code reviews, and CI/CD workflows
● Exposure to testing frameworks like Jest or React Testing Library
● Comfortable mentoring juniors and collaborating in cross-functional teams
4. Your Subject Matter Expertise:
● SaaS experience of 2 years with total development experience of 3 years
● Must have worked in a smaller company of less than 100
● Should have built solutions/softwares end to end and not just as a part of bigger team
● Should see themselves going deeper into the same role even 5 years down the line
● Strong proficiency in JavaScript, TypeScript, and ES6+ features.
● Solid understanding of Redux, React Hooks, and component lifecycle.
● Experience in developing responsive designs using HTML5, CSS3, and modern CSS frameworks (e.g., Tailwind CSS).
● Familiarity with frontend build tools and module bundlers such as Webpack, Babel, and npm/yarn.
● Strong debugging and problem-solving skills.Proficiency with version control systems like Git.
● Understanding of performance optimization techniques, including lazy loading, code splitting, and caching.Experience with server-side rendering (SSR) and Next.js.
● Knowledge of mobile-first and progressive web app (PWA) development.
● Familiarity with design tools like Figma or Sketch for collaboration.
● Exposure to e-commerce platforms like Shopify, BigCommerce, or Magento.
● Understanding of backend technologies and REST/GraphQL APIs for better integration.
- 1 - 5 years of Experience
- Strong Experience in HTML 5, CSS 3 and Bootstrap 3,4
- Material UI
- Responsive design in website and mobile
- Grid System
- React.js an added advantage
Ability to learn quickly and work in a fastest growing technology

We are looking for passionate, self-driven Engineers who are best at what they do and truly believe anything is possible, someone who likes to discuss and explore new ideas and enjoys working with others to design and create great market defining features and products. We want team members who want to do more than just code, we want a dreamer, a creator, someone who likes to discuss new ideas everyday.
What we are looking for:
● Experience in design and implementation of low-latency, high availability, high performance web applications
● High levels of technical acumen
● Experienced in front end web development using React.js
● Experience in Data visualization
● Good knowledge of user experience best practices
● Understand lean approach with frequent releases and focussed on getting MVPs into market as early as possible to increase feedback
Must have
● Knowledge of:
○ Javascript, jQuery, Object Oriented design and Javascript design patterns
● Familiarity with:
○ Modern web deployment tools - e.g. babel, webpack, gulp, grunt
○ Javascript package management tools - e.g. npm, bower
○ Javascript frameworks - e.g. react, redux, mobx
○ Javascript testing frameworks & tools - e.g. jasmine, mocha, karma
● Understanding of internet and web technologies such as HTTP
● Experience building data visualization dashboards particularly highCharts and D3
● Strong unit test and debugging skills
● Proficient understanding of code versioning tools such as git
Job Overview:
As a Software Engineer, you will work as part of a software development team and be responsible for
designing, implementing, and maintaining the back-end of fast-growing web/mobile applications.
You could be an ideal candidate if you have a Bachelor's degree in Computer Science from a reputed
college. You need to have expert-level programming skills in ReactJs and other related JS stack with a
deep understanding of Consumer experience. You should have experience working effectively in software
development teams ensuring tight deadlines are met. You should be passionate about writing elegant
code that solves meaningful real-life problems.
What will your role look like?
● Write well-designed, testable, efficient, and high-quality code in Javascript/React/Redux to
implement a modern highly responsive web-based user interface.
● Design (LLD & HLD) and architect technical solutions for the business problems of a large-scale
system.
● Prepare and produce releases.
● Enhance & maintain analytics and SEO of web applications.
● Contribute to all phases of the Software development lifecycle.
Roles and Responsibilities
Who are we looking for?
● B.Tech/M.Tech/MCA degree in Computer Science, Engineering or a related subject
● 2-4 years of relevant work experience
● Strong problem-solving skills, Computer science fundamentals, Data structures, and Algorithms
● Hands-on experience with Javascript - React, Redux, Thunk, Saga , webpack, NPM/Yarn,
Server-side rendering, Client caching, PWA, AMP etc.
● Solid understanding of frontend components like CSS3/SAAS, Material UI, Bootstrap etc.
● Experience working with Design tools like Figma/Sketch/Zeplin as a developer and implementing
the same in React
● Experience with all phases of the software development life cycle, best practices, and Agile
Software Development.
● Ability to work autonomously.
Strong on typescript/java script.
Strong on agile methodology.
Should have knowledge on writing unit test cases using jasmine/jest







