
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

About Mastree
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Software Development Engineer – React
Location: Bangalore
Experience: 5–7 Years
About the Role
Mygate is looking for a highly skilled Software Development Engineer – React to build and scale high-performance web applications used by millions of users. We are seeking a strong frontend engineer with deep expertise in React and modern JavaScript frameworks who can contribute to the development of intuitive, scalable, and user-centric products.
This role requires a hands-on engineer with excellent problem-solving abilities, strong frontend architecture knowledge, and a passion for delivering exceptional user experiences.
Key Responsibilities
- Design, develop, and maintain scalable frontend applications using React.js.
- Build responsive, performant, and reusable UI components.
- Collaborate closely with Product Managers, Designers, and Backend Engineers to deliver high-quality features.
- Translate business requirements into clean, efficient, and maintainable code.
- Optimize applications for speed, scalability, and user experience.
- Participate in architecture discussions and contribute to frontend best practices.
- Conduct code reviews and ensure high standards of code quality.
- Troubleshoot and resolve production issues while ensuring application reliability.
- Drive continuous improvements in frontend performance, development processes, and engineering practices.
Requirements
- 5–7 years of experience in frontend software development.
- Strong hands-on experience in React.js is mandatory and non-negotiable.
- Expert-level proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3.
- Strong understanding of React architecture, component lifecycle, hooks, state management, and performance optimization.
- Experience with Redux, Context API, or other state management solutions.
- Hands-on experience integrating frontend applications with REST APIs.
- Strong understanding of frontend design patterns and component-based architecture.
- Experience with debugging, browser developer tools, and performance tuning.
- Proficiency with Git and modern development workflows.
- Strong problem-solving skills and ability to work independently.
Preferred Qualifications
- Experience building large-scale consumer-facing products.
- Exposure to Next.js and modern frontend tooling.
- Experience with frontend testing frameworks such as Jest, React Testing Library, or Cypress.
- Familiarity with CI/CD pipelines and Agile development practices.
- Prior experience in product-based or high-growth technology companies.
What We're Looking For
- Deep expertise in React development and frontend engineering.
- Strong ownership and accountability.
- Ability to thrive in a fast-paced product environment.
- Passion for creating exceptional user experiences.
- Excellent communication and collaboration skills.
- A product mindset with a focus on delivering business impact through technology.
Additional Criteria
- Candidates must demonstrate significant hands-on React development experience.
- Profiles with limited or secondary exposure to React will not be considered.
- Immediate joiners or candidates serving a notice period of up to 30 days are preferred.
Key Responsibilities:
² Develop and maintain responsive web applications using React.
² Collaborate with UX/UI designers to translate wireframes and mockups into functional code.
² Optimize applications for maximum speed and scalability.
² Write clean, maintainable, and efficient code following best practices.
² Participate in code reviews and contribute to team knowledge sharing.
² Troubleshoot and debug applications to enhance performance.
² Stay up-to-date with the latest industry trends and technologies to ensure our tech stack remains cutting-edge.
Qualifications:
² Current SDE 3 designation or equivalent experience in a senior development role.
² 5+ years of experience in software development, with a strong focus on frontend technologies, particularly React.
² Proficiency in JavaScript (ES6+), HTML, and CSS, with a deep understanding of modern web development practices.
² Experience with state management libraries (e.g., Redux, MobX) and routing solutions.
² Strong knowledge of RESTful APIs and experience with modern build tools (Webpack, Babel).
² Experience with testing frameworks (e.g., Jest, React Testing Library) and test-driven development (TDD).
² Excellent problem-solving skills and the ability to work collaboratively in a fast-paced environment.
As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:
- Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring
- Work with the Product and Design teams to build new features to solve business problems and fill business needs
- Participate in code reviews to create robust and maintainable code
- Work in an agile environment where quick iterations and good feedback are a way of life
- Interact with other stakeholders for requirement, design discussions and for adoption of new features
- Communicate and coordinate with our support and professional services teams to solve customer issues
- Help scale our platform as we expand our product across various markets and verticals globally
As a young, fresh startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise.
- BE/BTech degree in CS/IT with more than 7 CGPA or similar.
- 5 to 8 years of proven experience as a Frontend Web UI engineer or similar role.
- Must have good understanding of Data Structures/Algorithms/Databases and other CS concepts.
- Should be able to design/implement/deploy end-to-end systems.
- Good/Hands on experience with Angular 8+ and scripting programming languages like JavaScript/Typescript.
- Good/Hands on experience with HTML5, CSS, SCSS, Angular Material or any other UI libraries
- Good/Hands on experience in writing the unit tests.
- Must have worked designing the Angular Modules based on the UI/UX provided with RxJs, NgRx, Websockets etc.
- Should be inquisitive enough to pick and work on multiple programming languages and frameworks based on specific cases.
- Having worked in at least one of the cloud computing services like AWS/Azure/Google Cloud is a plus.
- Good Knowledge on Dockers/Kubernetes is a plus.
- Having basic understanding of (or having worked in) server-side web frameworks like NodeJS, Flask, Django is a plus.
Responsibilities
· Developing user-facing applications using Vue.js
· Building modular and reusable components and libraries
· Optimizing your application for performance
· Implementing automated testing integrated into development and maintenance workflows
· Staying up to date with all recent developments in the JavaScript and Vue.js space
· Keeping an eye on security updates and issues found with Vue.js and all project dependencies
· Proposing any upgrades and updates necessary for keeping up with modern security and development best practices
What we need in you?
· Highly proficient with the JavaScript language and its modern ES6+ syntax and features
· Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM
· Familiarity with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js
· Good understanding of HTML5 and CSS3, including
· Understanding of server-side rendering and its benefits and use cases
· Knowledge of functional programming and object-oriented programming paradigms
· Ability to write efficient, secure, well-documented, and clean JavaScript code
· Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha
· Proficiency with modern development tools, like Babel, Webpack, and Git
· Experience with both consuming and designing RESTful APIs
|
Min 3 years of professional hands-on React.js development experience Experience with popular React.js workflows, such as Redux or Relay Knowledge of modern web technologies, such as CSS, Typescript/ES6, Less/Sass, HTML5 Experience writing unit tests with Jest/Enzyme or equivalent tools. Familiarity with Git Experience working in an agile environment (Scrum preferred) as part of a cross-functional team Strong communication skills Experience with other JavaScript frameworks (AngularJS, Vue.js) or native mobile (Kotlin, Swift) is a plus Experience developing to inclusive design best practices, up to and beyond meeting WCAG standards. |
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Create effectively tested, re-usable, and efficient JavaScript code Develop mission critical user experiences Support continuous improvement by staying up-to-date on front-end technology Work collaboratively with a team in an Agile environment. |
Job Description: Senior React.js Developer
- 2+ years of relevant experience in software development building web applications
- Well acquainted with cutting edge front-end framework like React Javascript dialects like ES6.
- CSS frameworks like Bootstrap, Foundation HTML5, CSS3 and tools like Gulp/Webpack
- Strong analytical and problem- solving skills paired with the ability to develop creative and efficient solutions.
- Enjoys and gets energized by complex problem solving and ability to push the innovation on solutions.
- Ability to work both independently and in various team settings.
-Proficient understanding of web markup, including HTML5, CSS3
-Knowledge of JS based build tools like Grunt, Gulp, and Bower
-Knowledge of Unit Testing with Jest
-Exposure in SEO, Web Service integration, asynchronous request handling, partial page update etc.
-Exposure to Node.js would be an added advantage
-Knowledge of different process tools like Git, SVN, Jenkins etc.
DESIRED SKILLS:
-Strong experience in Responsive Design, React JS
-Understanding of Native and Cross Platform mobile applications and user experience best practices
-Exposure to Node.js, Angular and React Native would be an added advantage










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