
Mastree's engineering team is working towards building a data science engine that enables students to learn in a way they understand the best. We believe in delivering learning experiences through engagement. The product is designed with countless embedded interactive information pieces to help the students imbibe the concepts better. At Mastree we take pride in being a part of the product that holds the potential to revolutionise the education process.
We are looking for folks who are passionate about creating interaction rich interfaces. Creative individuals who believe in the power of visuals.
Responsibilities:
- Creating visual elements that users see and interact within our web platform.
- This makes your role crucial for the success of the product.
- Working closely with the design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
- Ensuring that the application is optimised both in terms of technology and in delivering the best educational content.
- Building web platform for our live tutoring platform
- Creating interactive learning activities for K12 students and work on our upcoming products
Requirements:
- You are an avid programmer
- You have great grasp of fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
- You have experience in ReactJS web app development
- You are an exceptional problem solver, with attention to details.
Brownie Points:
- Good HTML and CSS skills
- Experience in React-Native app development
- Ability to work in small teams and wear multiple hats

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We’re Hiring – Frontend Developer (3.js)
Location: Chennai
Experience: 0–1 Years
At Hexr Factory, we are always exploring the possibilities to bridge the physical and digital worlds. We design and build Metaverse and Digital Twin technologies for the future of industry and entertainment.
We are looking for a Frontend Developer (3.js) to join our team in Chennai. The role involves designing, building, and configuring applications to meet business and application requirements using React Three Fiber, JavaScript, HTML5, CSS, TypeScript, and ES6.
The ideal candidate will have experience working with Three.js, WebGL, and Canvas/CSS animations, along with knowledge of browser-based 3D rendering and 3D graphics. You should be comfortable collaborating with the design team to implement a clean, elegant user experience and be capable of building scalable, high-performance web applications.
Qualifications:
Bachelor’s or Master’s degree in Mathematics, Commerce, Computer Science, Electronics, Electrical, or Mechanical Engineering with a consistent high academic track record.
0–1 years of relevant experience.
Skills Required:
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Experience using TypeScript to develop UI components with React and Angular.
Knowledge of 3D technologies such as WebGL and Three.js.
Basic understanding of 3D mathematics.
Familiarity with REST/JSON and Git.
Passion for new technology and innovation.
Ability to write clean, maintainable code.
Excellent verbal and written communication skills.
If you are passionate about technology, eager to learn, and excited about working on 3D applications and digital innovation, we’d love to hear from you.
Job Description
What we are looking for:
-
Looking for person with 5+ years of solid experience in HTML, vueJs, javascript, css & JQuery
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Must have a strong skillset on technologies and is keen on learn and build next generation recruitment Technology.
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Should have a strong focus on quality, scalability, and performance of the product.
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Should be a team player with a solid experience and desire to build customer-centric products and work closely with Product Managers and Designer.
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Ready to relocate to Pune and join ASAP.
Role & Responsibilities:
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End to end ownership of the Product frontend development, building reusable, testable, and scalable technology.
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Research, evaluate, analyze, and implement technical requirements.
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Introduce best industry practices to build the best interfaces for users.
model.
2. Thorough understanding of React.js and its core principles.
3. Experience with popular React.js workflows (such as Flux or Redux).
4. Deep understanding of Restful APIs(consume).
5. Experience with Redux, Context API.
6. Experience with data structure libraries (e.g., Immutable.js).
7. Familiarity with modern front-end build pipelines and tools.
8. Excellent in building reusable components and front-end libraries for future use.
9. Optimizing components for maximum performance across a vast array of web-capable
devices and browsers.
10. Knowledge of isomorphic React is a plus.
Job description for react js developer
In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
- To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.
React.js Developer Responsibilities :
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.- Identifying web-based user interactions.
- Developing and implementing highly-responsive user interface components using React concepts.- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.- Documenting application changes and developing updates.
React.js Developer Requirements :
- Bachelor's degree in Computer Science, Information Technology, or a similar field.
- Experience of 1 year working as a React.js Developer.- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.- Knowledge of performance testing frameworks including Mocha and jest.
-Familiarity with code versioning tools such as Git, SVN, and Mercurial popular frontend development tools, CI/CD tools, DevOps.
- Experience with browser-based debugging and performance testing software.- Excellent troubleshooting skills.
- Good project management skills.- Design and implementation of the frontend applications and Mobile apps
- “Pixel-perfect” implementation of our approved user interface
- Ability to understand business requirements and translate them into technical requirements
- Break features into simpler granular tasks, estimate effort required, and identify dependencies
- Work with Analyst and back end developers to deliver a seamless user experience
- Write clean, efficient, maintainable code with good test coverage
- Build reusable code and libraries for future use and optimize the application for maximum speed and scalability
- Test and Debug as required
Expected Qualifications and Key Skills
- BSc or B.E in Computer Science / Engineering from a tier-1 college in India or abroad
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Strong understanding of UI/UX, responsive design, cross-browser compatibility, AJAX, and general web standards
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript/TypeScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Proficiency with Git / Version control
- Develop iPhone and iPad handset clients
- Develop architecture and low-end designs based on customer and product management requirements
- Communication of designs and other development issues to developers and managers
- Design, develop and manage automated unit and acceptance tests
- Peer review of design code and tests
- Participate in the agile development program
- Bug Fixing
- Take ownership of deliverables
- Adhere to development methodologies
ESSENTIAL SKILLS/ATTRIBUTES:
- Minimum 5 years Objective-C development
- Excellent knowledge of Objective-C and the iOS SDK.
- Strong knowledge of Swift 3/4.
- Experience developing Universal apps across iOS9, iOS10 and iOS11
- Proficiency in Xcode, Interface Builder, and Instruments.
- Appreciation for the limitations of handset development, especially networking related issues
- Attention to detail and subtleties of UI design and implementation
- Understanding of design patterns
- Ability to design for scalability and resilience
- Strong application process flow and problem-solving techniques
- Strong focus on refactoring and code quality
- Understanding of software configuration management and release management
- High levels of software engineering literacy and communication skills
- Friendly and professional manner
- Third Level Qualifications in computing, mathematics, or science
- Experience with auto-layout and constraints
- #Experience in building web (PWA)/mobile app using ionic/reactjs (react native)
DESIRED SKILLS:
- Experience of working in an agile (XP) environment
- Experience working with Core Data
- Experience in delivering Libraries / SDK
- Experience of other mobile platforms a plus (Android, Windows Phone/Mobile)
- Product development and lifecycle experience
- Experience in unit testing and Test-Driven Development
- Scripting (JavaScript, Ruby, Python, Shell, etc.)
- Knowledge of build systems such as Maven, Fastlane
- RESTful development
- XML, JSON, HTTP, SyncML, HTML 5, CSS, Groovy, UML
- Experience in writing documentation
- Work with the client and internal web development team to design new products or enhancements.
- Take part in system development including analysis, coding, and testing in an agile product development team.
- To develop business requirements into cost-effective and elegant technical solutions.
- Perform peer design and code reviews with other software engineers.
- Help to evaluate requirements and solutions from a technical perspective and implement custom built solutions.
- Perform estimates of user stories that are to be implemented to help with product engineering planning.
- Work with backend development members to co-create APIs for frontend consumption
- Mentor less experienced team members on proper standards/techniques to improve their development practices and efficiency.
- Write scripts to perform unit testing, functional testing and assist with user acceptance testing support.
- Optimize UI for efficiency and maintainability
- Perform non-production and production deployment processes as scheduled.
- Provide on-going support to the application.
Role: UI Developer
Skill Set : Angular, HTML and CSS
Experience : 5-8yrs
Notice Period : Max 15 Days
SKILLS WE ARE LOOKING FOR
Build pixel-perfect, buttery smooth UIs across both mobile platforms. Leverage native APIs for deep integrations with both platforms.
Diagnose and fix bugs and performance bottlenecks for performance that feels native.
Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
Maintain code and write automated tests to ensure the product is of the highest quality. Transition existing React web apps to React Native.
THE PERSON WE ARE LOOKING FOR
4+ years Experience with React Native
BS degree or higher in Computer Science or Engineering
Firm grasp of the JavaScript (and TypeScript or ClojureScript) language and its nuances, including ES6+ syntax
Knowledge of functional programming
Ability to write well-documented, clean Javascript code
Rock solid at working with third-party dependencies and debugging dependency conflicts Familiarity with native build tools, like XCode, Gradle, Android Studio
Understanding of REST APIs, the document request model, and offline storage Experience with automated testing suites, like Mocha











