React Developer

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

#HiringAlert

We are looking "Senior Software Engineer - Angular " for Reputed Client @ Permanent Role.

• Experience: 4 - 7 yrs

Primary Skills

•4+ years experience in C#

•Minimum 2-3 years of experience in Angular 8 (2+) version with Type Script and JavaScript, HTML5, CSS3 and dotnet core

•Minimum 2-3 years of experience with Web API, Entity Frame work and Linq Queries

•Must have a good exposure on query writing and DB management for writing stored procedures/ user-defined functions

•Should be able to understand the Functional Specifications and Technical Specifications and develop the application as per the specification provided.

Secondary Skills

•Minimum 1-3 years of experience on UI development using Bootstrap and Responsive Pages

•Should have a solid understanding of the SDLC processes (Design, Construction, Testing, Deployment)

•Test Driven development using Nunit, Jasmine and Protractor

•Proven experience of delivering on-time and with quality

•Should have good unit testing skills to review his own development and identify all the defects and get it fixed before releasing the code

Desired Skills

•Should have experience in developing ERP applications or Database Intensive Data Entry applications.

•Been on a support role for a period of 2 years or more

•Hands on experience of configuration management and version maintenance

•Prior experience of working in the shipping domain

•Hand on experience in writing technical specifications

•Should have skills to quickly learn the Business Process and understand the overall project scope.

•Full stack developers with experience in Developing products with Angular and C# APIs, from ground-up will be a plus.

Location : Bangalore

Technical Skills: (must have)

• Excellent Angular 5+, NodeJS, Typescript programming skills

• Strong HTML/HTML5/JavaScript skills
• Sound understanding of MVC, MVVM, JSON, and data binding

• Hands-on experience with implementing Angular best practices (e.g. project structure, module organisation, naming convention, etc.)

• Hands-on experience with Web APIs (e.g. HTTP protocols, AJAX and REST)

• Hands-on experience of using browser events and various data types like arrays and objects, JSON, forms, closures and modules, including the use of debugging tools

• Hands-on with CSS3 and sound understanding of cross browser inconsistencies and responsive frameworks

• Experience in integrating with third party JavaScript libraries and frameworks like jQuery

• Experience with Templating

Additional Skills: (nice to have)

• Knowledge of standard authentication systems such as OAuth2, JWT and SSO

• Knowledge of WebSockets is an added advantage
• Experience with version controlling tools e.g. Git
• Experience with developing browser extensions

PRINCIPAL ACCOUNTABILITIES
Key accountability of Sr.FED will be to plan, develop, maintain and optimise codebase for web app and browser extensions of MyLOFT.

• Planning and Development
• Design Planning of the functional App in coordination with software development team
• Develop and Deliver front-end applications and browser extensions
• Develop and Integrate custom modules and components with functional app
• Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
• Integrate existing template or pure HTML in angular
• Work closely with HTML developer and UI designer to deliver pixel perfect dynamic Frontend UI

• Work closely with back-end team to build and integrate REST API
• Integration with external web services e.g. Google APIs
• Testing and Maintenance
• Follow best practices for testing and maintenance to ensure that codebase is executable, readable and easy to maintain

• Ensure that security and versioning of the codebase is maintained
• Write and maintain technical documentation for ready reference
• Post Launch Optimisation
• Periodically participate in code review and refactoring to improve app performance
• Participate in user feedback sessions to identify and understand user requirements
• Beta/Marketability Tests (for POCs)
• Coordinate with development team to evaluate technical feasibility of new requirements
• Build prototypes/POCs
• Actively participate in relevant technical forums
• Participate in training and knowledge sharing initiatives

Our client is a premier web design and software solutions company based out of Delhi, Florida and California. They are a creative, young and dynamic organisation that provides superior quality solutions like web design and development, mobile app development on various platforms, cloud apps and Ecommerce web solutions. They have clients across US, Canada, UK, and Australia, who receive market ready and saleable apps.

What you need to have:

Experience: 3 to 5 years

Annual CTC: Rupees 5,00,000 to 7,00,000

• Identify bad code practices in JavaScript and write new analyzers to detect them.
• Improve the coverage of automatically fixable issues.
• Ensure fewer false-positives are reported by the analyzer.
• Work on the internal tools that support analysis runtimes.
• Contribute to open-source static analysis tools.

• Strong foundational knowledge in Computer Science.
• At least 3 years of professional software development experience in JavaScript.
• Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
• Familiarity with JavaScript practices followed in the industry.
• Native experience with Linux/Unix environment.
• A focus on delivering high-quality code through strong testing practices.

UI Architect / Developer

1.       A must have skills is Angular. NodeJs preferred but can be replaced with anything on server side scripting.  

a.       70% work for this role in angular based. At architect role without server side scripting understanding doesn’t a right fit. 

b.       Someone who can take sound decision for overall interaction with backend.  

c.        There are components written in node (Control Manager and aith server) which we have intentions to align with UI architect.  

d.       Given Node is technology primary in java script (same as angular), generally we are seeing people who have earlier exposure or are confident to pick it with little learning. But we would not penalize anyone who is week in node, but champ in angular for this role. 

2.       Design , develop and maintain client facing web applications. 

3.       Cooperating with backend developers in the process of building REST APIs. 

4.       Should demonstrate deep understanding of the following: 

·         Design - HTML/CSS  

·         Frontend languages - Experience with Javascript  and related frameworks - Angular(7/8/9), Angular Material, Bootstrap(or similar CSS frameworks), Node JS (preferred but not mandatory). 

·         Test frameworks - Mocha, Chai, Jasmine, Karma 

To be shared by you - 

1.     Can you lead frontend-backend integration? 

2.     Can you use linux machines? 

3.     Are you aware of websockets? 

4.     Has you workedon binary data communication over websockets? 

5.     Do you understand different types of communication protocols available between frontend-backend and it's working? 

6.       Do you have experience on electron framework? 

7.       Highest team size managed by you.