Senior Frontend Engineer

Position: Front-end developer ( Mobile App)

Location: Bangalore

About us

RockED is a fast-growing EdTech company building a microlearning platform that delivers byte-sized, engaging content to learners on their mobile devices. Headquartered in Florida, with our R&D team based in Bangalore, we are focused on creating intuitive, learner-first experiences through thoughtful design and strong engineering.

Your Impact

We are looking for a skilled Frontend Developer to join our Engineering team in Bangalore. You’ll be responsible for building high-quality, scalable, and user-friendly interfaces for our mobile-first platform using JavaScript and React Native.

• Develop and maintain scalable, high-performance frontend applications using JavaScript and React Native
• Translate product requirements and UI/UX designs into clean, efficient, and reusable code
• Collaborate closely with product managers, designers, and backend engineers
• Optimize applications for performance, reliability, and responsiveness
• Write well-structured, testable, and maintainable code
• Participate in code reviews and contribute to engineering best practices
• Stay updated with evolving AI technologies and encourage the team to leverage AI tools effectively to improve development efficiency and innovation.

What skills do you need?

• Hands-on experience in frontend mobile application development
• Strong proficiency in JavaScript and React Native
• Experience building and shipping mobile applications (Android/iOS)
• Solid understanding of frontend architecture, performance optimization, and state management
• Familiarity with REST APIs and integration with backend services
• Experience working in an Agile/Scrum development environment
• Ability to think strategically when designing systems—not just how to build, but why

Why choose a career at RockED?

• Build from Day One: Work in small, fast-moving teams solving real problems and building
• products from the ground up.
• Learn from Industry Leaders: Collaborate directly with leaders who’ve held senior roles at global
• Companies like Adobe, Microsoft, Walmart, and more.
• AI Expoure: We encourage engineers to leverage AI tools and emerging technologies to improve
• productivity, experimentation, and innovation.
• Global Exposure: Be part of a diverse, high-calibre team working closely across the US and India.
• People-First Benefits: Health insurance coverage for you and your family—fully sponsored by RockED.

About CK-12 Foundation:

CK-12 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 Bangalore office.

We have a strong education platform that has served 265+ million users, answered 2.33+ billion questions, and created 290,000+ customized FlexBooks. We are on an exciting journey to build an AI-powered Student Tutor and Teacher Assistant, shaping the next generation of learning platforms.

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

To achieve this ambitious vision, we are challenging the traditional education model and transforming it through technology. CK-12 is a non-profit organization, enabling us to experiment with bold ideas and truly focus on doing what’s right. We are backed by Vinod Khosla, a renowned technology venture capitalist.

At CK-12, you’ll work in a dynamic, entrepreneurial, innovative, and non-bureaucratic environment, alongside a small group of passionate individuals determined to disrupt education as we know it.

Technology is key to scaling education, and we deeply believe in it. Join us to build impactful solutions on our cloud-based (AWS), AI-first platform, delivering rich and interactive learning experiences.

If our mission, people, and technologies excite you—and you’re someone who challenges the status quo (no order-takers!)—we’d love to hear from you.

Products:

Flexi 2.0 – AI-powered Student Tutor

https://www.flexi.org/

AI-powered Teacher Assistant

https://www.ck12.org/pages/teacher-assistant/

Location

Bangalore (Office-based)

Basic Qualifications:

• Passion for creating simple, intuitive, and delightful web / mobile user experiences
• Strong understanding of computer science fundamentals, algorithms, and data structures
• Excellent problem-solving skills
• Ability to research and evaluate web and mobile frameworks and UI patterns
• Experience designing for multiple screen sizes, performance constraints, and varying network conditions
• Comfortable working in Agile environments with rapid iterations
• Ability to create and review high-level and detailed designs
• Strong focus on code quality, best practices, and maintainable code with solid unit test coverage

Required Skills & Experience:

• Bachelor’s or Master’s degree in Computer Science or equivalent
• 6+ years of overall experience
• Strong hands-on experience with either React.js (or a similar frontend framework) or mobile app frameworks such as Flutter or React Native.
• Strong inclination toward product ownership, with a focus on nurturing features based on how users actually use the product.
• Experience building and maintaining production-grade web or mobile applications
• Expert knowledge of object-oriented programming, design, and development
• Solid understanding of mobile application architecture, performance, and memory management
• Proficiency in Dart / JavaScript / TypeScript
• Experience consuming REST APIs and handling JSON
• Experience with responsive layouts and adaptive UI design
• Familiarity with UI patterns related to security, performance, and usability
• Experience using Git and mobile build/release pipelines

Good to Have:

• Experience with native mobile development (Android / iOS)
• Familiarity with CI/CD for mobile apps and app store deployments
• Experience working in distributed and Agile teams
• Performance optimization for scalable mobile applications
• Familiarity with LLMs (Large Language Models)
• Experience creating or maintaining mobile UI documentation or component libraries

Responsibilities:

• Be a key player in the entire application development lifecycle, build and maintain excellent react applications with clean code
• Formulating an effective process to implement pixel-perfect UI's that match designs.
• Generating front-end libraries and reusable components for later use. 
• Maximizing performance of components across a wide range of web-capable devices and browsers Skills.
• Working in collaboration with the team members and project managers to develop clean, modern, smooth animations and transitions that provide an excellent user experience.
• Create and maintain workflow with the team for implementing and integrating the third-party APIs and work along with the backend team.
• Flexible in working with a small team of frontend-backend developers, a project manager, and other programmers.
• Liaise with the internal team to produce top-notch prototypes and mock-ups.
• Participating in concepts of new programs, products, or features by monitoring industry development trends and assisting team members for development.
• An understanding of common programming paradigms and fundamental React principles, similar as React components, hooks, and the React lifecycle.
• Discussing and implementing new project management ideas with team and problem-solving skills to overcome obstacles.
• Keep abreast with day to day developments in technology and working with native modules.
• Assist with building estimates and assume accountability for your job and results delivery.
  

Requirements:

• Bachelor’s or Master’s degree in computer science, computer applications or related fields.
• Proven working experience as a React Developer for 3+ years and above.
• Hands-on experience on  HTML5, CSS3, and  CSS frameworks.
• Demonstrable knowledge on  Web services, Web API, REST services & GraphQL.
• Expertise in UI design and development of responsive web applications using React, Redux, Flask and Hooks.
• Applicable knowledge on Social API integration, Core location APIs, Web Views, Payments integration
• Proficiency in understanding of layout aesthetics .
• Excellent analytical, problem-solving and multitasking skills.
• Ability to solve novel and challenging React problems.
• Capability to understand ,develop and sustain continuous integration and delivery.

Desired Candidate profile

● Architect and build scalable front-end web solutions using JavaScript, React, HTML, CSS and other fundamental web technologies. 
● Build reusable code and libraries using iterative development practices for future use

● Ensuring high performance on mobile and desktop. 
● Implement monitoring, metric dashboards, runbooks, logging, escalations, and alerts.

● Drive code and design reviews of components / systems / products in scope and drive the architectural governance for them. 
● Implement best practices and constantly learn new ways of keeping code bases up to date 
 
Roles and Responsibilities:

● A solid grounding in Computer Science fundamentals (based on a Bachelor's or Master's in Computer Science or related field) from reputed institutes 
● 4+ years of development experience in modern web technologies (HTML/CSS, JavaScript), frameworks (React, Backbone.js, AngularJS, , etc) 
● Ability to build a feature from scratch & drive it to completion 
● Prior hands-on experience in building responsive web interfaces at scale for consumers in a product engineering setup 
● Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system 
● Excellent problem solving, debugging and optimization skills 
● Strong knowledge of browser behavior, performance, compatibility and cross-browser issues 
● Good understanding of REST API 
● Familiar with front-end build tools, such as Webpack, Grunt and Gulp.js
● Proficient understanding of code versioning tools, such as Git 
● Open source contribution is a plus. 

• Develop user interface components and implement them using well-known React workflows & best-practices. Build reusable components and front-end libraries for future use.
• Take complete ownership of features, break it down to smaller tasks, identify blockers and find solutions for them; collaborate with other cross-functional teams to deliver the feature on time.
• Create responsive layouts for different mobile screens and desktops with search friendly markup
• Translating visual designs and product wireframes into high quality code

• Min 2+ years of experience in developing modern consumer facing web applications using React and Redux
• Should be aware of latest React patterns and know how to leverage react hooks, functional components and higher order components
• Strong proficiency in CSS, JavaScript, including DOM manipulation
• Must know basics of web technology
• Tech skills needed: React, Typescript, Javascript, HTML, CSS, Redux

Kvantum is a career-changing opportunity where you will get to learn the latest and greatest marketing analytics for CPG, Retail, eCommerce, Pharma industry (to name few). At Kvantum, you will be part of a rapidly growing company. You will be able to make your mark; you’ll help write the story.  You will get the chance to go above and beyond, being a hero to your clients and to your team. You will get the chance to make a big impact, applying your coding skills, domain expertise to ready the most innovative marketing science product to Fortune 1000 customers.

What you’ll be doing in your new job:

 As a  Front End/UI Developer at Kvantum you will be working with incredibly talented, optimistic people in an environment that fosters innovation builds trust, and frequently erupts into laughter. You are a natural developer and enjoy helping team members in coding and development. You command respect from your superiors and also from peers. In this role, you’ll demonstrate a proven track record of developing enterprise-grade web frontends using technologies such as JavaScript, Ajax, XHTML and JSON. You'll join a team of exponential application developers who are working hard to develop our next generation SaaS marketing applications.

 Primary Responsibilities includes:

• Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
• Help establish GUI best practices and JavaScript frameworks for web development.
• Provide context and guidance for integration and implementation of Front-End Interfaces
• Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
• Develop standards-compliant mark-up and code for web sites and applications
• Develop JavaScript using standard Frameworks (jQuery, etc.)
• Develop small to medium size custom JavaScript libraries for reuse across the application
• Provide technology and implementation expertise to the domain, projects, or client
• Maintain leading-edge knowledge in emerging technologies and frameworks
• Participate in knowledge sharing and lessons learned sessions from project experiences

For this position, you must have:

• Expert JavaScript/HTML/CSS coding skills.
• 2-4 years of professional experience 
• Minimum 2 years of relevant experience in javascript 
• Minimum 1 year of relevant experience in React.js
• Hands-on experience with the implementation of different design patterns
• Proven experience of developing software using the Agile/SCRUM development methodology
• Command of web standards, CSS based design, cross-browser compatibility
• Experience to optimize the performance of the web application;
• Good understanding of page rendering, DOM manipulation, caching, REST API
• Experience of developing the application using  Test-driven Development(TDD)
• Experience of working on LINUX environment
• Attention to detail, Dedication, and Problem-Solving skills.

Nice to Have: 

• Working experience in any of  these technologies and frameworks: D3.js, Node.js, Express.js, Elasticsearch, GraphQL, Redis
• Experience working with start-ups.
• A good learning curve for new technologies.

We provide a competitive stipend and abundant opportunity for talented people to grow faster. Our people (as we call them Kvants) know how to celebrate success (monthly team events, quarterly company events, employee awards, etc.) and work smart to achieve desired goals.

Disclaimer:

Outside Recruiters: Kvantum prefers to recruit candidates directly. We do not accept unsolicited agency resumes. Please do not contact Kvantum employees with unsolicited resumes. Any resume sent by an outside agency without an explicit signed Kvantum generated agency agreement in place will be considered unsolicited and will not be eligible for payment.