CK-12 Foundation
https://ck12.orgAbout
Passionate about education?
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 at Bangalore.
We have a strong education platform that has served over 200 Million users, have got over 1.45 Billion questions answered and have got more than 285 thousand customised Flexbooks. We have embarked on exciting journey to build AI-powered student tutor and Teacher Assistant to build next generation of learning platform.
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 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 so that we can do the right thing! It also provides us the ability to experiment 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. We came together from companies such as Apple, eBay, Amazon, McGraw-Hill, and startups.
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 how CK-12 is making an impact in teaching and learning - https://www.ck12info.org/about/testimonials/
Flexi, our AI-powered Student Tutor - https://www.ck12.org/pages/student-tutor/
AI-powered Teacher Assistant - https://www.ck12.org/pages/teacher-assistant/
Benefits: Medical and Accident Insurance, Free food orders for lunch.
Location: https://goo.gl/maps/NkA2Hr8JhtE3raWr5
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Jobs at CK-12 Foundation
Machine Learning (ML)
PythonAbout CK-12 Foundation
CK-12’s mission is to provide free access to open-source content and technology tools that empower both students and teachers to enhance learning across different styles, resources, competence levels, and circumstances.
To achieve this ambitious vision, CK-12 challenges the traditional education model by leveraging technology to revolutionize learning for students, teachers, and parents.
CK-12 operates as a non-profit organization so it can experiment with bold ideas and focus on doing the right thing for education. The organization is backed by Vinod Khosla, a renowned technology venture capitalist.
At CK-12, you’ll work in a dynamic, entrepreneurial, and innovative environment where passionate individuals collaborate to disrupt traditional education through technology.
Technology is at the heart of scaling education, and CK-12 builds solutions on a cloud-based (AWS) and AI-first platform delivering rich and interactive learning experiences.
If you are a great technologist who enjoys challenging the status quo and building innovative products, this could be the place for you.
Together, we aim to transform education globally.
Product Offerings
Flexi 2.0 – AI-Powered Student Tutor
AI-Powered Teacher Assistant
https://www.ck12.org/pages/teacher-assistant/
Core Responsibilities
• Translate high-level directions and open-ended product ideas into deliverable ML projects and drive their completion.
• Architect and implement highly scalable ML solutions for systems such as multimodal information retrieval, conversational chatbots, recommender systems, and ranking systems.
• Own end-to-end product delivery from research and experimentation to production deployment.
• Work closely with cross-functional teams including Product, Engineering, DevOps, QA, and Content teams.
• Manage ML workflows involving data gathering, working with annotators, and collaborating with ML researchers.
• Extract and analyze large volumes of data to generate insights about student and teacher behavior based on platform usage.
• Design and build innovative ML-driven solutions that can improve learning experiences in the EdTech space.
• Apply statistical hypothesis testing and experimentation to evaluate and improve models.
• Continuously innovate and challenge the traditional approach to education through ML solutions.
Requirements
• Bachelor’s degree or higher in Computer Science or a related quantitative discipline, or equivalent practical experience.
• 4+ years of hands-on development experience with strong programming skills, preferably in Python.
• Expertise in deep learning approaches for NLP including transformer-based models, predictive modeling, search and recommendation systems, and autoregressive models.
• 2+ years of experience in NLP applications such as information retrieval, chatbots, summarization, or generative models.
• Proven experience building scalable ML applications on cloud infrastructure such as AWS, GCP, or Azure.
• Strong understanding of trade-offs between model architecture, deployment costs, and model accuracy.
• Ability to manage multiple tasks and collaborate effectively with geographically distributed teams.
• Up-to-date knowledge of advancements in NLP and computer vision and the ability to apply them in the education domain.
Technical Skills
• Python, PyTorch, TorchServe
• Pandas
• SQL and NoSQL databases such as MySQL, MongoDB, Redis, and Redshift
• Cloud infrastructure (AWS / GCP / Azure)
• Vector databases and search technologies such as Elasticsearch
• Linux
Nice to Have
• Familiarity with Reinforcement Learning
• Experience with Deep Knowledge Tracing
We are looking for a GenAI-native Learning Builder who can create engaging Grades 6–12 Science and Math content for learners and teachers. This role blends strong curriculum understanding with hands-on use of Generative AI to produce explanations, worked examples, practice material, and assessments. You will also build GenAI Content Playbooks consisting of reusable prompt frameworks, templates, and quality checks to enable consistent content generation at scale. Additionally, you will prototype simple interactive simulations and visualizations using code to make concepts intuitive and engaging.
Key Responsibilities
- Create high-quality and engaging K–12 Science and Math learning content aligned with Indian curricula, incorporating common misconceptions and clear learning scaffolding.
- Use Generative AI tools to draft and iterate concept explanations, micro-lessons, worked examples, question banks, and assessments across different difficulty levels.
- Build GenAI Content Playbooks including reusable prompt frameworks, content blueprints, templates, rubrics, and quality checklists to enable scalable and consistent content generation.
- Prototype and create simple interactive simulations and visualizations to explain concepts effectively.
- Review and validate AI-assisted outputs for accuracy, clarity, grade-level suitability, and correctness of solutions, and continuously improve playbooks based on feedback.
- Collaborate with subject matter experts, designers, and engineers to integrate content and playbooks into production pipelines and tooling.
Required Skills & Qualifications
- Strong familiarity with K–12 Science and/or Math curriculum.
- Proven ability to create student-friendly explanations and practice material that promote conceptual understanding rather than rote learning.
- Hands-on experience using Generative AI for educational content creation, iteration, and refinement.
- Ability to design repeatable GenAI Content Playbooks combining prompt frameworks, templates, and quality control processes.
- Comfort with coding sufficient to build basic learning interactives using JavaScript, HTML, CSS, Python, or similar technologies.
- Strong written communication skills with high attention to detail, especially for correctness in math and science content.
Desired Skills & Qualifications
- Experience with structured item writing approaches such as Bloom’s taxonomy, misconception targeting, difficulty calibration, and tagging.
- Familiarity with tools and workflows such as Markdown, LaTeX for mathematical content, Google Docs or Sheets, and content QA pipelines.
- Experience building interactive visualizations using tools such as p5.js, D3.js, Desmos or GeoGebra scripting, React, or Jupyter widgets.
- Prior experience in ed-tech, curriculum publishing, teaching or coaching, or working with large-scale school programs.
React Native
JavascriptAbout 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
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
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