
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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Position Title : Frontend / Chrome Extension Developer (React + TypeScript)
Experience : 3+ years
Location : Remote
Job Role Summary :
Build and ship production-ready Chrome extensions that inject UI into existing web apps. Own content scripts, DOM integration, performance, and accessibility (WCAG 2.1 AA).
Mandatory Skills :
React, TypeScript, Chrome Extensions (MV3), Content Scripts, DOM Injection, MutationObserver, TailwindCSS/CSS Modules, Accessibility (WCAG 2.1 AA).
Key Responsibilities :
- Develop Chrome extensions using React + TypeScript.
- Inject and manage UI components within third-party web app DOMs.
- Write and maintain content scripts; handle dynamic pages via MutationObserver.
- Implement clean, responsive styling with TailwindCSS or CSS Modules.
- Ensure accessibility (WCAG 2.1 AA), keyboard navigation, and ARIA semantics.
- Integrate with APIs, manage extension permissions, storage, and messaging.
- Optimize performance, handle edge cases across sites, and write basic tests.
Required Skills :
- Strong React + TypeScript in production.
- Chrome Extension architecture: manifest v3, content/background scripts, messaging, permissions.
- DOM manipulation and safe UI injection strategies.
- MutationObserver, event delegation, handling SPA route changes.
- TailwindCSS or CSS Modules; solid CSS fundamentals.
- Accessibility (WCAG 2.1 AA) and cross-browser compatibility (Chromium/Firefox optional).
- Familiarity with build tooling (Vite/Webpack), linting, and Git.
Nice-to-Have :
- Experience with service workers, storage (sync/local), and i18n.
- Testing with Jest/RTL/Playwright.
- Security basics for extensions (CSP, sandboxing).
DESIRED SKILLS: React.js, JavaScript, Redux, RESTful APIs, TypeScript
JOB SUMMARY
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
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JWT Web Token
Familiarity with modern front-end build pipelines and tools
Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
Ability to understand business requirements and translate them into technical requirements
A knack for benchmarking and optimization
Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Familiarity with any ReactJS testing framework is plus
Are you interested in creating products with outstanding user interfaces, meticulously coding to deliver the most user-friendly and efficient experience?
We at Lynkzo are creating a modern omnichannel communication platform for companies to meet the changing requirements in the market.
We are looking for someone who:
- has adequate(3+ years) experience with frontend libraries like React, Vue, Angular or Svelte, etc.
- has experience in developing scalable user-friendly experience. This may include testing the application extensively, error reporting, etc.
- can convert real-world business challenges into effective technical solutions.
- has experience working with an agile/scrum team.
- can work independently with limited supervision.
*Prior experience working in start-ups will be good to have.
*Experience in electron will be good to have.
*Experience in nodejs will be good to have.
Benefits
Our hybrid work model supports a healthy work-life balance. You'll have the opportunity to work in a collaborative, innovative, and process-driven environment that encourages exploration and learning.
We are looking for candidates who can join as soon as possible.
At Kafqa, we are building the next generation performing arts platform. Our mission is to transform how India
learns, performs & watches performing arts. Our launch services consist of technology-enabled dance and
theatre classes in our proprietary studios, production facilities and social media broadcasting & competitions.
Founder & Team:
The founder is Shariq Plasticwala. He is a graduate of IIT Bombay & Stanford GSB. He was part of the
founding team of Amazon India where he played a key role for over 8 years. Among his roles at Amazon, he
was the CEO of Amazon’s first joint venture in India and a Board Member of Amazon’s payments business. The
other members of the founding team consisted of senior executives from Shiamak Davar & Byju’s.
Role
We are looking for an experienced Front-end engineer with ReactJS development experience to join our team.
Here’s are some of the things you might have to do on any given day:
● Implement responsive and performant UIs with a user-centered approach with frontend technologies
including ReactJS, Javascript(ES 6), Typescript, SCSS, etc
● Write meaningful test cases for frontend
● Mentor fellow team members
Ideal Background / Experience:
● At least 5+ years of diverse experience in web development for product or services oriented
environment with exposure to working production deployments
● Expertise in programming using Angular/ReactJS or similar UI frameworks
● In-depth exposure to technologies used in web-based products, including REST APIs
Nice to have exposure to any of
● WebRTC based products
● Google APIs
● NodeJS / ExpressJS
As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.
To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.
Responsibilities:
- Determining project requirements and developing work schedules for the team.
- Delegating tasks and achieving daily, weekly, and monthly goals.
- Liaising with team members, management, and clients to ensure projects are completed to standard.
- Identifying risks and forming contingency plans as soon as possible.
- Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
- Keeping up-to-date with industry trends and developments.
- Updating work schedules and performing troubleshooting as required.
- Motivating staff and creating a space where they can ask questions and voice their concerns.
- Being transparent with the team about challenges, failures, and successes.
- Writing progress reports and delivering presentations to the relevant stakeholders.
Requirements:
- Bachelor's/Master's degree in computer science, engineering, or a related field.
- A 3-4 years of experience in a similar role would be advantageous.
- In-depth experience in working with Reactjs and Go.
- Excellent technical, diagnostic, and troubleshooting skills.
- Experience with blockchain technology preferable.
- Strong leadership and organizational abilities.
Your key responsibilities will be converting PSD/Figma into HTML/CSS. You will also be responsible for writing clean, semantic front end code - HTML5, CSS3, JQuery, Java Script.
Selection Criteria
If your profile has selected then you have to attend a 3 hours assignment to move your candidature to the final round of interview.
Responsibilities for UI Developer
- Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company
- Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts
- Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork
- Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers
- Collaborate with back-end web developers and programmers to improve usability
Qualifications for UI Developer
- 2-4 years of demonstrated experience in creating and implementing UI development
- Detailed experience with coding and the ability to troubleshoot and analyze websites using HTML, CSS and comparable languages
- Continued education and research into UI development trends and current design strategy and technology
- Professional written and interpersonal skills
- Ability to prioritize and manage multiple milestones and projects efficiently
- Advanced problem-solving skills and the ability to optimize code for the best possible outcome
- Ability to work effectively in a collaborative environment to create top-performing interfaces
- Proficient with visual design programs such as Adobe Photoshop
Role - Javascript developer
Location - Jaipur
Experience - 1-5 years
Skills and Qualifications
● Experience in developing front-end components using Object-Oriented
JavaScript, HTML5, and CSS3
● Skilled at Object-Oriented JavaScript and having a working knowledge of at least one
of the following Frameworks (Angular, React etc.)
● Add on Excellent knowledge of working with dynamic data (e.g., JSON, XML)
●Good understanding of version control systems like Git
Roles and Responsibilities
● Develop new user-facing features.
● Optimize applications for maximum speed and scalability.
● Assure that all user input is validated before submitting to back-end services.
● Collaborate with other team members and stakeholders.
● Identify and establish best practices and frameworks keeping in mind the parameters of
performance, responsiveness, and reuse
● Translate designs and style guides into interactive user interfaces, ensuring cross
browser compatibility, performance and robustness
● Deliver high-quality code that is maintainable and readable.
● Develop and maintain features using JavaScript frameworks such as Angular or
React Skills
Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring to the team
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 1 years of experience
- If you have more than 4 years of experience
About the Role:
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing, and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using React/Redux/Saga/Hooks and Redis.
- Manage Key-value based databases like Redis.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular and database level.
- Be able to write unit tests.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to the back-end
- Collaborate with other team members and stakeholders
3-6 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)
Work Nature:
1. Understanding Business Requirements and converting those requirement in to Web Pages using HTML, CSS, JS and Photoshop/Illustrator.
2. Should have minimum 5 Web Page Designed/Shipped/Live
3. Can mentor/lead junior webpage designers regarding best practices
Desired Traits
1. Coachable, Flexible, and Embracing of Suitable Practices and Feedback as a means of
continuous improvement.
2. Ability to take initiative and work independently as well as in a team environment.
3. Able to demonstrate Integrity, Drive, and Natural Curiosity.
4. Experience in a good web agency is a plus.










