


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 Engineer - Frontend
Experiencing the world we live in is fundamental to our collective happiness and progress as a society. Headout’s mission is, and will always be, to unlock this happier world by connecting amazing in-person experiences with people all over the globe, giving them the opportunity to be entertained, educated and inspired. We are evolving the way people discover the world by connecting them with exceptional experiences at the push of a button. By combining delightful product experience, data-driven decisions, sophisticated supply side logistics network, and world-class operations, our single minded focus is on solving a huge basic human problem: how do we have a good time? On this mission, we've already served 7M+ guests from 190 countries who have headed out to an experience with us. While building scale that drives $200M+ in annualised sales, we hit profitability that is such a rarity on the back of our superior model.
As travel and in-person experiences recover, Headout is playing a critical role in our return to our way-of-life. With pent-up demand, generation and digitisation of experiences having been pushed forward by a decade, there is no better time to build than NOW.
We at Headout, like to solve real-world problems in the simplest & most elegant manner possible. We're seeking Frontend Engineers with the ability and passion for building solutions to people-centered problems that are created at the intersection of human behavior and technology. We also love folks who have a sense of humor and know how to have fun. ;-)
👩💻 The Role
- Craft the front-end architecture, develop our core features, and collaborate with our Product & Design teams to build something useful and beautiful.
- Build slick UI interfaces to provide the best user experience.
- Get your hands dirty with cross-platform architectural challenges, new frameworks, design patterns, and technologies.
- Build and contribute to open-source libraries and components.
🌟 Our Dream Engineer
- A penchant for learning and building with new technologies and frameworks.
- A knack for writing the most performance optimized code along with it being modular and scalable.
- No challenge is too big to solve; love thinking product and excited to ideate & build stuff all by yourself.
- You're interested in being an early employee at a growing company, with the influence and responsibility that entails.
- You have broad and deep knowledge across a variety of contemporary technologies.
💝 We like
- 2+ years of experience developing front-end platforms preferably in a high-growth startup.
- Solid hands-on experience with Javascript ES5 and ES6.
- Experience with NodeJS, Typescript, browser dev-tools etc.
- An opinion and preferably hands-on experience of CSS in JS vs old school style of writing CSS.
- Experience developing responsive designs using open source frameworks or even better, an attempt at your own framework.
- Solid understanding of how the web works and it's underlying communication protocols.
- People who give up anything to optimize that animation that they just created.
- Nice to Haves: An interest in UX, travel, local experiences & hospitality.

React JS Developers
Experience: 3-6 Years
Location: Bangalore (onsite)
Responsibilities:
Design and implement user interface components for JavaScript-based web applications
using React JS
Work as a part of a small team that includes other react JS developers, designers, QA
experts, and managers
Build app and UI components from prototypes and wireframes
Built REST APIs for tight integrations with the Backend
Write automated tests to ensure error-free code and performance
Improve front-end performance by eliminating performance bottlenecks
Create front-end modules with maximum code reusability and efficiency
Work with third-party dependencies and APIs
Work with Redux architecture to improve the performance of the websites/mobile apps
Coordinate with the cross-functional teams to build apps in the stipulated time/budget
Knowledge of TypeScript
Knowledge of HTML, JavaScript, CSS, Bootstrap
React routing, React Hooks, Internationalization

⚒️ About The Role
We're looking for an experienced Frontend Engineer to breathe life into the user interface of our product. Understanding that meticulous engineering not only drives the user experience but also influences our product development process, we aim to prioritize this role from Day 1
🚀 This Role
As a Founding Frontend Engineer at Upskillr.ai, your contributions will be vital in refining the user experience of our AGI Platform. You will also participate in evaluating user interfaces and crafting the frontend landscape for future products. Further:
- Creating and optimizing our frontend infrastructure, rendering captivating user experiences through your engineering prowess.
- Utilizing your specialized skills to navigate frontend development, from designing responsive layouts to implementing interactive features.
- Collaborating closely with founders on product development and with designers for harmonious UI/UX integration.
What you'll work on:
- Leading feature development from user research to production in collaboration with designers and AI engineers.
- Building responsive UI components using React principles and JavaScript.
- Establishing a flexible frontend architecture with supportive APIs.
- Demonstrating expertise in front-end performance optimization and contemporary standards.
- Pioneering the engineering and integration of optimal human ↔ AI interfaces for enterprise operations. We're trailblazing in a fresh domain of engineering that previously didn't exist. The onus is on us to explore and incorporate a novel interface that resonates with our users.
Technical Skills:
- Profound expertise in JavaScript and React, along with robust front-end coding abilities and an understanding of progressive web applications.
- Must possess skills in HTML5, CSS3, JavaScript, React.js, Webpack, Enzyme, Redux, Flux, GIT, HTTP(s), Terminal, Build Tools, State Management, Type Checkers, Form Helpers, Routing, REST API, GraphQL, Utility Libraries, Internationalization, Server-Side Rendering, and Backend Framework Integration.
- Proficiency in browser-based debugging and performance testing.
- Experience in performance tuning, usability enhancement, automation, and continuous integration leveraging test-driven development methodologies (BDD/TDD).
🕵️ What We Look For
- Self-starters prepared to lead significant initiatives.
- Avid curiosity and passion for technology.
- Familiarity with UI/UX principles from an engineering perspective.
- Excellent communication abilities
😁 Perks & Benefits
🤝 Top-of-the-market compensation — At Upskillr.ai, we will offer top-of-the-market (90th+ percentile) compensation in both cash and equity. We believe that the best candidates deserve the best compensation, and we will ensure that it happens.
💯 High impact — You’ll be joining as a founding member of the team, and as such you will have a high level of ownership and influence over the direction of the company.
🧠 The gains — Collaborate closely with the founders. Experience the excitement of a rapidly expanding startup.
About Us
We build LLM Based Tools and Services for Enterprises.
Upskillr.ai, started by Aditya Saxena and Vikram Pandya, is a dynamic knowledge platform that combines the best of education and knowledge management powered by AGI.
What We Do
We are committed to delivering innovative and comprehensive solutions that address the diverse learning needs of individuals and organizations. The company is dedicated to leveraging Artificial General Intelligence (AGI), to provide personalized and tailored support, ensuring the success and satisfaction of its users.

Job Summary:
Futuresafe Technologies, having a long-term agreement with US-based SiteRecon Inc, requires a Frontend Engineer.
We are looking for an avid programmer and an engineer who is enthusiastic about building complex data-oriented web platforms. Someone who is aspiring to become an industry tech leader in the GIS stack. Knowing about GIS is not a prerequisite if you can learn and adapt quickly. The candidate will facilitate requirement analysis, provide feedback and enhance software frameworks. It is expected that the candidate demonstrates a sound knowledge of ReactJS internals and technologies around it.
About Siterecon:
SiteRecon is helping property maintenance contractors in the US to automate property mapping and site visits through our mapping platform, giving back time, speeding up their sales process, and increasing their profitability. We are building the next-generation property intelligence platform and looking for people to help out on our mission to revolutionize how businesses make decisions in North America.
To learn more about the team & our origin story - https://order.siterecon.ai/about-us
To learn more about what we do for our customers - https://order.siterecon.ai
About the team:
Started by IIT Delhi alumni who have worked with multinationals in satellite imaging, e-commerce, and edtech sectors.
Meet our team - https://order.siterecon.ai/team
About Product:
SiteRecon is the Amazon + Google Docs combination for maps. Users place an order to create a map. State-of-the-art AI does our data delivery with a humans-in-the-loop pipeline. This becomes the basemap to create survey notes, operations plans, cost estimates, and so on. We are looking for a Lead Application Developer to increase this edge in our Android and iOS applications.
About the Market:
Although our technology applies to many applications especially related to the site-based operations industry, our Primary market is the landscaping industry in the United States, Canada, and Australia. The combined size of Industry in these 3 countries alone makes up a staggering $140B.
Responsibilities:
- Build high-performance web applications using ReactJS, OpenLayers, and other libraries
- Convert visual designs to UI elements with an acute eye for detail and design fidelity
- Make web applications responsive and cross-browser compatible
- Optimize application performance and reduce page loading speed
- Own, execute, and deliver products/features end-to-end from planning to design to development to deployment
- Contribute towards technical architecture – including coding framework, cloud administration, security, etc.
- Writing reusable, testable, well-documented, and efficient code
- Troubleshoot, test, and maintain the core product software and databases to ensure strong optimization and functionality
- Possess strong problem-solving and decision-making skills while using good judgment
- Ability to work independently and multi-task effectively
- Fast learner and stays up-to-date on emerging technologies
- Be the go-to person for the team for guidance and be able to mentor and delegate tasks to junior team members
Qualifications:
- 5-8 years of experience in building products
- Integrating Restful APIs and building responsive UIs – (bootstrap/antd/MaterialUI/less/scss)
- Strong experience in React, Redux/Flux, React Hooks, Context, data structure libraries. (e.g., Immutable.js) etc.
- Proficient with modern JavaScript. (ES6+: Classes, modules, arrow functions, async/await, destructuring, etc.)
- Understanding of client-side performance issues
- Flexibility to understand and adopt large and pre-existing codebases
- Ability to prioritize tasks and quickly adjust in a rapidly changing environment
We’d be impressed if you also have –
- Some experience with python/java/nodejs
- Understanding of Microservices Architecture, API gateways, Application security etc
- Experience with GCP core services like Cloud Engine, Firebase, Pub/Sub, Load Balancers etc
- Exposure to Unix systems and servers

Reactjs 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.
Reactjs Developer Requirements:
- Bachelor’s degree in computer science, information technology, or a similar field.
- Previous experience 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.
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- 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

- Knowing and working on what specific framework problems need to be solved, what new problems they give rise to, and the architectures that work at scale.
- Coordinating with the design and back-end teams
- Taking risks, and learning quickly from your mistakes.
- Brainstorming between various approaches, doing small experiments to test the hypotheses
- Aligning the team to follow a particular approach, being thorough in your research.
- Collaborating well with others, knowing that better solutions come from working together.
What you need to have:
- Bachelor's degree in Computer Science (or related field)
- A passion for system design problems, exposure to various tech frameworks
- Experience with React Js, React Native, JavaScript including DOM Manipulation, and JavaScript object model.
- Should have a crystal understanding of App architecture and how React Native interacts with the native layers for iOS and Android respectively
- Familiarity in using Hooks for functional components with state, PureComponents.
- Hands-on experience in using State Management Libraries (Mainly Redux).
- Understanding React Native internals, memory profiling, and performance improvements of the application.
- Experience with building projects in Gradle (Android Studio) or xCode with iOS.
- Create Energy - Insatiably curious.
- Experience in Agile/ SCRUM methodology and modern tools like Jira, Slack, GitHub, etc






- Develop and manage apps on React Native platform
- Analyse, code, debug, test, document & deploy applications
- Provide technical leadership and upgrade architecture design and solution to accommodate future expansion
- Ensure quality control processes are successfully employed.
- Experience in React-Native based app development is a must
- Experience in Mobile app development (Cross platform apps)
- Must have published at least 1 major React-Native app
- Knowledge of service workers implementation for Progressive Web Application (PWA)
- Demonstrated ability with HTML5, CSS3, Bootstrap, jQuery, and other JS frameworks React JS
- Development experience of UI (layouts, animations, etc.)
- Good understanding of Design and Architecture Patterns
- Understanding of iOS and Android Code signing process and deployment model
- Understanding of Unit Testing, Debugging Methodology used in React Native Apps
- Understanding on integration of native modules with React Native code
- Experience with caching and scaling techniques


