Front End - React / Redux Senior Developer

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.

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 office in Bangalore.

We have a strong education platform that has served over 265+ million users, has got over 2.33+ billion questions answered, and more than 290,000 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 you never 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 offering: 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: Bangalore Office

Position: Frontend UI Developer (React)

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
• 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 2 years of experience
• Hands-on with frameworks like React, Redux, Backbone, Webpack, Lerna
• Expert knowledge of OOP (Object Oriented Programming), design, and development
• In-depth knowledge of browser internals and architecture
• Expert in JS (OOJS), HTML5, CSS3, JSON, REST, XML, W3C standards
• Experience with responsive web design & frameworks media queries
• Experience with UI patterns (security, performance, usability)
• Familiar with version control systems (Git/Subversion) & build tools like Grunt

Desired:

• Experience with ES6, Node.js
• Worked in distributed/agile environments
• Performance optimization for scalable web apps
• Familiarity with LLMs (Large Language Models)
• Familiarity with Storybook (React) or similar frameworks

We're hiring for technology company, reinventing hotel operations by seamlessly combining operations with labor management and compliance at the property level and across multiple properties, all in a single SaaS solution. We incorporate the latest technology, including IoT and AI, to evolve hotels into smart properties, enabling hotel owners, managers, and management companies across the US to better connect, collaborate, and document across roles and teams, increasing efficiency, effectiveness, and visibility into what is happening at their properties.

The Opportunity

• We are looking for a seasoned full-stack engineer to build out and manage our entire web infrastructure. Minimum of three years’ recent experience with all of the skills listed below.
• Design and implementation of the overall web architecture.
• Implementation of “Pixel-perfect” screens from our approved user interface.
• Ensuring the entire stack is designed and built for speed and scalability.
• Design and construction of our REST API.
• Hands-on experience working with RDBMS and Document databases
• Exposure to graphql is an added advantage.
• Integrating our front-end UI with the API developed.
• Design and implementation of continuous integration and deployment.
• Delivering on-time with quality.

What we Require

• To convert our existing web application into a micro front-end architecture. The ideal candidate should have experience in AngularJS, ReactJS, MobX, and SCSS. Exposure to socket integration, mqtt integration would be a plus.
• Identify our existing web application’s different components and modules. Separate them into independent micro front-ends.
• Develop and maintain micro front-ends using AngularJS, ReactJS, MobX and SCSS
• Implement and configure Module Federation in Webpack 5 to share components between micro front-ends.
• Optimize micro front-ends for maximum speed and scalability.

Nice-to-have:

• Familiarity with cloud-based infrastructure (AWS)
• Familiarity with containerization (Docker)
• Upgraded an application from Webpack 4 to Webpack 5 for local development & production build
• Hands-on experience in converting JavaScript applications into Typescript

Required Skills and Experience:

• 8-12 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.

We are seeking an experienced UI Developer with a strong background in Next.js to join our dynamic development team. The ideal candidate will have a deep understanding of front-end technologies, particularly React and Next.js, and will be responsible for creating high-performance, user-centric web applications. If you're passionate about building intuitive, scalable, and responsive UI components, we'd love to meet you!

Key Responsibilities:

Design and develop responsive and visually appealing user interfaces using Next.js, React, HTML5, CSS3, and JavaScript.

Collaborate closely with designers, product managers, and back-end developers to implement and refine user experiences.

Build reusable components and front-end libraries for future use.

Optimize web applications for maximum speed and scalability.

Write clean, maintainable, and efficient code while adhering to best practices.

Stay up to date with the latest trends, tools, and techniques in web development.

Troubleshoot and debug application issues.

Ensure cross-browser and cross-device compatibility.

Participate in code reviews and mentor junior developers.

Skills & Qualifications:

Experience: 5–8 years of hands-on experience in front-end development with a focus on Next.js.

Proficiency in Front-End Technologies:

Strong knowledge of Next.js, React.js, and other JavaScript libraries and frameworks.

Expertise in HTML5, CSS3, and JavaScript (ES6+).

Familiarity with TypeScript is a plus.

Experience in building responsive, cross-browser compatible websites.

Familiarity with RESTful APIs and integration with back-end systems.

Knowledge of modern web development practices like Webpack, Babel, CSS preprocessors (Sass/SCSS), etc.

Understanding of web performance optimization techniques.

Experience with version control systems such as Git.

Familiarity with agile development methodologies.

• Use markup languages like HTML to create user-friendly web pages
• Maintain and improve website
• Optimize applications for maximum speed
• Design mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

• Proven work experience as a Frontend developer
• Hands on experience with markup languages
• Experience with JavaScript, CSS and jQuery and Bootstrap framework
• Familiarity with browser testing and debugging
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics
• Knowledge of SEO principles and AMP is a plus
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills
• BSc degree in Computer Science or relevant field

This person MUST have: 

- BE Computer Science, MCA or equivalent 

- Extreme CSS skills 

- Experience with ReactJS or NextJS is a MUST 

- Strong communication skills 

- A strong passion for writing simple, clean and efficient code. 

- Sound knowledge of clean code, no unused code, optimized code and more. - Always starting with a document and then implementing in a systematic and organized manner 

- Past experience as a frontend developer building modern JavaScript-based web applications - Excellent verbal and written communication, teamwork, decision making and influencing skills. 

Experience: 

- Min 3 year experience 

- Not more than 15 year experience. 

- Startup experience is a must. 

Location 

- Remotely, anywhere in India

Timings: 

- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone. 

Position: 

- Full time/Direct 

- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc. 

- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period. 

• 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

Must Have

Degree in Computer Science or related field.
3 - 4 years’ experience in Angular or React.
Expertise in responsive and adaptive front end design and development. Proficiency in HTML, CSS, JavaScript, and jQuery.
Experience is RESTful web services.
Understanding of key design principles.
Experience in version control using Git, CI-CD principles.
Good problem-solving skills.
Excellent verbal communication skills.
Good interpersonal skills.

Nice to have

Experience with graphic design applications such as Adobe Illustrator. Understanding of SEO principles.
Knowledge of Cloud technologies like AWS or Azure.