React.js Developer

Job TItile : Senior Software Engineer – Frontend (React.js)

Location : Bengaluru (Hybrid – 3 Days WFO)

Working Hours : 11:00 AM - 8:00 PM

Experience : 6 to 9 Years

Notice Period : Preferably 30 Days

About the Role :

We are looking for an experienced and Dynamic Senior Frontend Developer to join our growing team. If you are passionate about building cloud-based web applications with cutting-edge technologies, and you excel in React.js, HTML, CSS, and JavaScript, we want to hear from you. As a key contributor, you’ll collaborate with talented UX/UI designers to create innovative, high-quality user experiences.

What You’ll Do :

• Develop and Deliver : Build robust, scalable cloud-based web applications using React.js, HTML, CSS, and JavaScript.
• Collaborate with Designers : Partner with UX designers to transform ideas into intuitive, visually stunning user interfaces.
• Write Quality Code : Ensure code quality through writing clean, maintainable, and efficient code.
• Optimize Performance : Focus on performance optimization and troubleshooting to provide the best user experience.
• Work in Agile Environment : Engage in agile development cycles with a strong focus on iterative improvement.
• Code Review and Mentorship : Participate in code reviews, offer constructive feedback, and mentor junior developers to elevate the team's overall capabilities.

What We Are Looking For :

Core Skills :

React.js : Extensive hands-on experience in building responsive web applications with React.

Frontend Technologies : Expertise in HTML, CSS, JavaScript, and TypeScript.

Version Control : Familiarity with Git for source code management and collaboration.

Problem-Solving : Strong debugging and problem-solving skills with keen attention to detail.

Collaboration : Ability to work both independently and as part of a collaborative team.

Preferred Skills :

Node.js : Experience with Node.js or backend technologies is a plus.

UX/UI Design : Knowledge of design principles and experience collaborating with designers to create seamless user experiences.

Qualifications :

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field.

Why Join Us?

Impactful Work : Work on exciting projects that shape the future of cloud-based web applications.

Collaborative Culture : Join a team of talented engineers and designers in a collaborative, creative, and supportive environment.

Career Growth : Opportunities for continuous learning, mentorship, and professional development.

Profile: React.js

Location: Andheri East, Mumbai

Experience Required: 3+ Years

Employment Type: Full-time

Required Skills & Qualifications

• Experience: Minimum 3+ years of professional experience in React.js development
• Core Technologies:Strong proficiency in JavaScript (ES6+)
• Extensive experience with React.js and its ecosystem
• Solid understanding of HTML5, CSS3, and responsive design
• Experience with state management libraries (Redux, Context API)
• Knowledge of modern build tools (Webpack, Vite, etc.)
• Familiarity with version control systems (Git)
• Technical Skills:Understanding of RESTful API integration
• Experience with testing frameworks (Jest, React Testing Library)
• Knowledge of modern CSS frameworks (Bootstrap, Material-UI, Tailwind CSS)
• Familiarity with TypeScript is a plus
• Understanding of performance optimization techniques

Responsibilities     

• Take product ideas from ideation to implementation.
• Collaborate with Product and Design to create robust and usable features.
• Take ownership of the architecture for best performance and usability.
• Lead engineering discussions to ensure the best practices, maintainability and security of the application.
• Participate in design and code reviews.
• Lead and mentor the team of developers, to drive business objectives.

We are looking for

• 4+ years of experience building quality applications.
• Proficient in client-side JS frameworks such as React.js
• Passion for best design and coding practices and a desire to develop new bold ideas.
• Strong customer focus, ownership, and self-drive.
• Experience in planning, designing architecture and leading teams.

• Strong proficiency in React Native and JavaScript (ES6+).
• Experience with Redux, Context API, or other state management tools.
• Familiarity with TypeScript and strong understanding of mobile app architecture.
• Knowledge of native build tools like Xcode and Android Studio.
• Experience with RESTful APIs and third-party libraries.
• Familiarity with GraphQL is a plus.
• Hands-on experience in implementing pixel-perfect designs and animations.
• Proficiency in using libraries like React Navigation, NativeBase, or Material-UI.
• Experience with testing libraries like Jest, Detox, or Appium.
• Strong debugging skills using tools like Chrome DevTools, Flipper, or similar.
• Experience deploying apps to the App Store and Google Play Store, including managing certificates and provisioning profiles

We are looking for a talented Frontend UI/UX Developer with expertise in Vue.js and Tailwind CSS to join our team. The ideal candidate will have a strong background in building modern, responsive, and user-friendly web applications while ensuring a seamless user experience.

Key Responsibilities:

1. Develop and maintain frontend applications using Vue.js (Vue 2 & Vue 3), Vuex/Pinia, and modern JavaScript (ES6+).
2. Implement responsive UI components using Tailwind CSS and best UI/UX practices.

• 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

We are looking for a passionate hands-on engineer to join our Engineering team.

• To build next-generation web applications which are efficient, reusable front-end abstractions and systems.
• Work closely with Product Managers, UX designers, and back-end engineers to implement front-end solutions while embracing emerging standards and pushing the limits of what a browser can do.
• Explore and design dynamic and compelling consumer experiences.
• Command an impressive portfolio of the latest UI technologies
• Analyze system function and performance requirements to support design concepts.
• Actively participate in design and code reviews to build robust applications and prototypes.
• Interacting with other team members to passionately collaborate our innovations.
• Constantly and consistently implementing new features and optimizing existing ones from controller-level to UI. Vigilantly and rapidly fix bugs.
• Create and maintain software documentation
• Endorsing upcoming standards, launching, iterating, and making a difference.

Ideal Candidate

• Proficiency with HTML5, Javascript, Angular JS, React JS and CSS3
• Ability to write well-abstracted, reusable, highly performant code for Website and Web applications.
• Experience with scripting languages (PHP) will be preferable.
• Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
• Architecting, configuring, and automating the build process.
• A solid understanding of how web applications work including security, session management, and best development practices
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced startup environment, learn rapidly, and master diverse web technologies and techniques.
• Knowledge in WordPress will be a plus
• Flexibility to work under ambiguous conditions

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