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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.
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
Backend Engineer
Basic
● Design, maintain, and monitor infrastructure for data products
● Design and develop RESTful APIs for the data infrastructure
● Design, implement and drive adoption of new analytic technologies and solutions
● Work closely with data scientists, front end engineers and peers to gather requirements and
develop solutions
● Handle and resolve issues escalated from the production operational environment.
● Troubleshoot performance, reliability, and scalability issues.
● Excellent Problem solving skills
● A Code Craftsman that follows best software development and coding practices delivering
understandable and maintainable code with thorough unit tests coverage
Requirements
● 6+ years of development experience with Java, Scala, and/or Python
● Experience with writing and executing queries on RDBMS and NoSQL databases. Working knowledge of MongoDB, MySQL. We are not looking for a DBA.
● Experience with ElasticSearch, OpenSearch, Vector Embeddings, and large-scale search systems.
● Experience designing and operating high-throughput, low-latency backend services in production environments.
● Experience with horizontal and vertical scaling strategies, load balancing, caching, rate
limiting, and performance optimization.
● Experience identifying and resolving application bottlenecks through profiling, monitoring, and performance tuning.
● Experience in virtualization technologies and deployment frameworks (familiarity with working on UNIX shell, Jenkins.)
● Bachelors or masters degree in computer science or equivalent
Desired
● Experience working with FastAPI/Pylons Web Framework.
● Familiarity with messaging and distributed processing systems such as RabbitMQ, Kafka, SQS, or Celery.
● Experience designing systems to support millions of requests, large datasets, and high-concurrency workloads.
● Adept at AI Coding assistants, leveraging them beyond prompting. Working experience in Skill and tool development and usage in AI Coding tools.
● Experience with AWS EC2, Redshift, RDS, S3
Experience:
1–3 years of SEO content writing (agency experience preferred)
Shift:
Day Shift (9:30 AM – 6:30 PM)
Key Responsibilities:
• Create strong content outlines based on search intent and competitor analysis
• Conduct keyword research and map keywords to content
• Write high-quality SEO content including blogs, landing pages, service pages, and guides
• Optimize content using SEO best practices (H1–H3 structure, metadata, internal linking,
readability, schema basics, E-E-A-T)
• Refresh existing content to improve rankings
Required Skills:
• Strong understanding of Google E-E-A-T guidelines
• Excellent command of English with clarity-driven writing skills
• Good knowledge of SEO writing, keyword intent, and readability
• Familiarity with tools such as Google Search Console, Semrush, or similar SEO tools
• Ability to conduct in-depth research and produce plagiarism-free content
• Experience in writing long-form SEO blogs
Location: Bangalore
Experience: 5 to 10 years
Joiners: Immediate / Notice Period < 30 days
Company: Wissen Technology
🔍 Job Overview:
We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.
🛠️ Key Responsibilities:
- Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
- Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
- Implement complex business logic with clean and maintainable code.
- Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
- Work with iterators and immutability principles to build reliable data flows.
- Collaborate with product managers, designers, and QA teams in an Agile environment.
- Troubleshoot and debug production issues as needed.
✅ Must-Have Skills:
- Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
- Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
- Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
- Experience working with REST APIs, Spring Boot, and microservice architectures.
- Familiarity with version control systems like Git and CI/CD pipelines.
- Strong problem-solving and analytical skills.
💼 Good to Have:
- Exposure to cloud platforms (AWS, GCP, Azure).
- Experience with state management tools like Redux or Context API.
- Knowledge of performance optimization and memory management in JavaScript.
A Node.js job description typically outlines the responsibilities, qualifications, and expectations for a Node.js developer or related role. Node.js is a popular runtime environment for executing JavaScript on the server-side, making it an essential technology for web and application development. Below is a sample Node.js job description:
Job Title: Node.js Developer
Job Description:
Position Overview:
We are seeking a skilled Node.js developer to join our dynamic team. As a Node.js developer, you will be responsible for designing, implementing, and maintaining server-side applications using Node.js. Your primary focus will be on developing scalable, efficient, and high-performance applications while working closely with our front-end and back-end developers.
Responsibilities:
- Develop server-side applications using Node.js and Express.js or other Node.js frameworks.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Build and optimize APIs for mobile and web applications.
- Implement security and data protection measures.
- Troubleshoot and resolve software defects and performance issues.
- Write clean, maintainable, and testable code.
- Deploy applications on cloud platforms like AWS, Azure, or Heroku.
- Stay up-to-date with Node.js and related technologies, and incorporate best practices and emerging trends into development processes.
- Perform code reviews to ensure code quality and adherence to coding standards.
- Participate in the development of technical documentation.
- Collaborate with cross-functional teams to develop and maintain software applications.
- Support and maintain the application infrastructure, including monitoring, scaling, and performance optimization.
Qualifications:
- Proven experience as a Node.js developer or similar role.
- Strong proficiency in JavaScript and its core concepts.
- Experience with Node.js and server-side frameworks like Express.js.
- Familiarity with front-end technologies such as HTML, CSS, and JavaScript.
- Understanding of asynchronous programming and event-driven architecture.
- Knowledge of database systems (e.g., MongoDB, PostgreSQL, MySQL).
- Experience with version control systems (e.g., Git).
- Basic knowledge of DevOps and cloud platforms.
- Good communication and collaboration skills.
- Problem-solving abilities and attention to detail.
- Ability to work both independently and as part of a team.
- Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent work experience).
Additional Skills (Preferred but not required):
- Experience with microservices architecture.
- Knowledge of containerization technologies like Docker and Kubernetes.
- Familiarity with test-driven development (TDD).
- Understanding of authentication and authorization mechanisms.
- Experience with continuous integration and continuous deployment (CI/CD) pipelines.
Company Culture and Benefits:
- We offer a collaborative and innovative work environment.
- Competitive salary and benefits package.
- Opportunities for professional growth and development.
- Flexible work arrangements and remote work options.
- Gather and evaluate user requirements in collaboration with product managers and engineers
- Illustrate design ideas using storyboards, process flows and sitemaps
- Design graphic user interface elements, like menus, tabs and widgets
- Build page navigation buttons and search fields
- Develop UI mockups and prototypes that clearly illustrate how sites function and look like
- Create original graphic designs (e.g. images, sketches and tables)
- Prepare and present rough drafts to internal teams and key stakeholders
- Identify and troubleshoot UX problems (e.g. responsiveness)
- Conduct layout adjustments based on user feedback
- Adhere to style standards on fonts, colors and images
About the Account Executive Role
The full-cycle Account Executive role turns inbound and outbound leads into long-last relationships. The Account Executive needs to have experience selling SEO services and a working knowledge of SEO and Digital Marketing. Below is a breakdown of the Account Executive Role.
About Us
FirstPrinciples Growth Advisory is a premier digital marketing partner to help scale MQLs cost-effectively by identifying the right growth channel for your SaaS Business.
Role Break-Up
Lead Generation (25%)
The Account Executive will also be partly responsible for generating his/her leads. We expect to spend about 2 hours (about 70) dials making outbound calls using our CRM/day.
Nurturing New Leads/Pitch Cals (25%)
We expect between 1 to 2 Pitches scheduled daily from both inbound and outbound leads. Each Pitch takes 45 minutes to an hour, including following up with the next steps. This time is also spent working with our team to create the SEO Proposals and learning about the client before the call.
Nurturing Existing Leads & Customers (25%)
Reach out for the next steps, follow up on leads, social selling, and do other things to be front and center with the client.
Strategy (10%)
Analyzing results of past campaigns and tweaking future outreach campaigns and approaches.
Coordination & Administrative(15%)
Updating templates, the CRM and coordinating with the team as required. Coordination with the Ops team
What is in it for you?
The earning potential for this role is high. SEO/PPC clients are recurring clients, and our retention rate is high.
Requirements for the Account Executive Role
- 2 to 5 years of experience selling Digital Marketing Services
- Ability to conduct “Mini-Closes” in Succession
- Genuine customer empathy
- Organized and strong time management skills
- Experience working with Ahrefs and doing fundamental SEO Analysis for client sites

Windows App
Mobile App
Xamarin
web application
moblile application
-We will must give the best salary hike on the current ctc or offered ctc of candidate.
- At TailNode, we are at the bleeding edge of this change.
- We conceptualize and develop products that are aimed to enable this transformation of the political architecture of the country.
- We leverage the best practices and insights of the technology world and apply them in our unique way to deliver impact on a massive scale.
- We want to offer you a once in a lifetime opportunity to be a part of this massive change and build new and exciting products with us
- We are seeking motivated and self-driven Frontend React JS Developer.
- You will be building product features by solving complex problems using cutting-edge technologies in an ownership and integrity driven culture.
The Role :
- As a Frontend Developer, your role will be to work closely with the design team and execute their ideas to reality.
- Ensuring that design is adhered to in building leading edge Frontend solutions.
- Translate designs and wireframes into high quality code.
- Design, build, and maintain high performance, reusable, and reliable code.
- Ensure the best possible performance, quality, and responsiveness of the application.
- Identify and fix bugs.
- Help maintain code quality and organization.
Skills and Experience Required :
- At least 2-5 years of frontend development experience.
- Should have hands-on development experience in React JS.
- Exceptionally able with key development tools - JS/HTML5/CSS, React JS, experience working with REST APIs.
- Proficient understanding of CSS frameworks & architecture (Material-UI, Bootstrap, BEM etc).
- Proficient understanding of SASS/Preprocessors, Webpack, npm and Git.
- Should be familiar with Test Driven Development and are familiar with relevant testing frameworks (Jest, cypress, react-testing-library).
- Well versed with core JavaScript & React JS concepts.
- Should have experience in working with Context API, Hooks & Redux.
- Proficient understanding of cross-browser compatibility and responsive design.
- Good understanding of SEO & accessibility principles and ensuring that our applications will adhere to them.









