React.js Developer (Bangalore, India)

Role: React UI Lead

Exp: 8+ Years

CTC: up to 30 LPA

Mode of Interview: 2 rounds onsite + 2 online

Required Skills and Qualifications: 

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience). 
• Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript 
• Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have). 
• Solid understanding of responsive web design, accessibility, and cross-browser compatibility. 
• Experience leading a team of UI developers in an agile environment. 
• Strong problem-solving skills and ability to troubleshoot complex issues. 
• Excellent communication skills with the ability to collaborate effectively with cross-functional teams. 
• Experience with version control systems (e.g., Git) and CI/CD pipelines. 
• Experience with UI testing frameworks and tools (e.g., Jest, Cypress) is a plus. 
• Knowledge of UX design principles and familiarity with UX design tools (e.g., Sketch, Adobe XD) is desirable. 
• Ability to prioritize and manage multiple tasks in a fast-paced environment. 
• Experience building a UI for multi-tenant SaaS platform. 

·      7+ years of professional experience in front-end development.

·      7+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.).

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

Job Description

As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.

Skills:

• Minimum 4 years of hands-on experience with React Native for Android and iOS development.
• Strong proficiency in JavaScript, TypeScript, and ES6+ features.
• Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
• Experience with native module integration (Android/iOS) and third-party libraries.
• Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
• Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
• Experience in publishing apps to the App Store and Google Play.
• Good understanding of mobile performance optimization and memory management.
• Proficiency with version control systems like Git.

Roles & Responsibilities:

• Design, develop, and maintain cross-platform mobile applications using React Native.
• Collaborate with UI/UX designers to implement pixel-perfect interfaces and interactions.
• Work closely with backend teams to integrate APIs (REST/GraphQL) seamlessly.
• Write clean, modular, and scalable code following best practices and design patterns.
• Troubleshoot, debug, and optimize mobile apps for maximum performance.
• Stay updated on emerging trends in mobile development and bring innovation into the team.

Requirements

Mandatory

• Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
• Should envision continuing in a deep mobile development role 5+ years down the line.
• Strong command over JavaScript, TypeScript, and React Native internals.
• Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
• Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.

Essential

• Proficiency with Git and collaborative workflows (e.g., branching, PRs).
• Familiarity with CI/CD for mobile.
• Understanding of offline storage, background sync, and performance monitoring.

Good to Have

• Knowledge of native development (Swift/Kotlin) to bridge native modules when needed.
• Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
• Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

We're hiring a Front End Developer for the Indore location to join our team!

Experience required: 2-4 Years

Job Location: Indore (Onsite)

#skillsrequired:- Reactjs, Next.js, Redux, Flux, HTML, CSS, JavaScript, Material-UI (MUI), Git, Webpack, Babel

#Requirements:

▫ Proficiency in React.js and its core principles

▫ Experience with popular React.js workflows (such as Redux, Flux, or Context API)

▫ Strong knowledge of HTML, CSS, and JavaScript

▫ Familiarity with the Next.js and Material-UI (MUI) framework

▫ Understanding of RESTful APIs and asynchronous request handling

▫ Experience with version control systems (e.g., Git)

▫ Knowledge of frontend build tools (e.g., Webpack, Babel)

▫ Ability to optimize applications for maximum speed and scalability

▫ Familiarity with browser rendering behavior and performance optimization techniques

▫ Excellent problem-solving and communication skills

▫ Experience with Agile/Scrum methodologies is a plus

1. Working on MERN stack product development for core product
2. Exploring possibilities with proof of concepts & prototyping
3. Building the product as per specifications 
4. Developing the user-facing features using React.js
5. Designing a modern highly responsive web-based user interface 
6. Building reusable components and front-end libraries for future use
7. Translating designs and wireframes into high-quality code
8. Learn and understand user interactions
9. Optimising components for maximum performance across a vast array of web-capable devices and browsers 
10. Coordinating with various teams working on distinct layers
11. As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. 

1. Node.js & ReactJS/Next.js ( MEAN/MERN Stack)
2. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
3. Thorough understanding of React.js and its core principles
4. Prior experience with popular React.js workflows (such as Flux or Redux)
5. Familiarity with more current specifications of EcmaScript
6. Familiarity with RESTful APIs
7. Great CSS skills. Familiarity with React Styled Components, SCSS, LESS, etc.
8. Knowledge of modern authorisation mechanisms, such as JSON Web Token
9. Familiarity with modern front-end build pipelines and tools
10. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
11. Ability to understand business requirements and translate them into technical requirements
12. A knack for benchmarking and optimisation.
13. Familiarity with code versioning tools
14. Familiarity with Test Driven Development and tools like JEST & React Testing Library is a plus.
15. Familiarity with Firebase and other backend as a services is a plus.

Profile Overview:

We are looking for passionate and keen-eyed front-end developers with 5+ years of experience in React JS for a major project to join our creative front-end development team who can add optimization and efficiency to the user experience and maintain brand consistency across all web page of the web products.

The front-end developer will closely coordinate with our back-end developers, graphic designers and UI designers to ensure all elements of the web creation are consistent.

Responsibilities:

• Turning UI/UX designs into prototypes, creating excellent interactive forms of designs, writing reusable modules and maintainability of the code.

• Implement UI development principles to ensure that the product client-side serves at scale.

• Review and optimize the application usage by monitoring key metrics and rectifying the issues proactively.

• Determining the structure and design of web pages.

• Ensuring user experience by analyzing the design choices.

• Developing features to enhance the user experience.

• Striking balance between functional and aesthetic design.

Requirements:

• Bachelor’s or Master’s degree in computer science, computer applications or related fields.
• Proven working experience as a React Developer for 5+ years and above.
• Hands-on experience with HTML5, CSS3, and  CSS frameworks.
• Demonstrable knowledge of Web services, Web API, REST services & GraphQL.
• Expertise in UI design and development of responsive web applications using React, Redux, Flask and Hooks.
• Applicable knowledge of Social API integration, Core location APIs, Web Views, Payments integration
• Proficiency in understanding layout aesthetics.
• Excellent analytical, problem-solving and multitasking skills.
• Ability to solve novel and challenging React problems.
• Capability to understand, develop and sustain continuous integration and delivery.

WHO YOU ARE

To be successful in this role, you’ll need to have the following skills:

• Love for coding: A fanatic about writing beautiful and scalable code.
• Sense of analytics: Strong analytical and troubleshooting skills. Should be resourceful, innovative and inventive.
• Dynamic: Should be comfortable in dealing with lots of moving pieces. Have exquisite attention to detail, and are comfortable learning new technologies and systems. 
• Team player: Knack for influencing without being authoritative. Pitch in wherever the team needs help, from writing blog posts to supporting customers.
• Accountability: High sense of ownership for your code and relentlessness to deliver projects with high business impact. 

KEY QUALIFICATIONS

• BE/BTech in Computer Science or related field. 
• Minimum 3+ years of UI/Frontend development and a strong understanding of building complex layouts using JavaScript, CSS and HTML.

KEY SKILLS

• Strong computer system analysis and design skills in current methodologies and patterns including vanilla JavaScript, some experience with ReactJS, Redux, React Native, Webpack, and Typescript or similar library/tools.
• Obsessed with WPO (Web Performance Optimization) and web/mobile performance analysis.
• Experienced with web standards and protocols such as HTTP, DNS, TCP/IP, and socket APIs in general.
• Familiar with web security, SEO, accessibility and internationalization.

Responsibilities

Ability to work on a cross-functional team within a very agile team, delivering on time and with high quality

Adjusts and defines new processes as they arise due to known and unknown customer/engineering requirements as it relates to frontend web development

Provides feedback on frontend architecture, code organization and CI/CD infrastructure for the team

Staying up to date with the best practices and future frontend development

Provides frontend leadership expertise and mentoring to other developers on not only the team, but the engineering organization as a whole

Takes pride in delivering ground breaking UI to web applications

Working closely with UX designers to turn their ideas into reality as it relates to creating visualizations for next generation cybersecurity

Qualifications

Proficient in developing large REACT Web Applications

Experience with Django applications

Proficient with TypeScript

Experience with Postgres or other relational database(s)

Experience developing REST APIs with authentication and scaling

Familiarity with some ORM (Object Relational Mapper) libraries

Cloud computing architectures (AWS, Azure, Google Cloud)

Experience with Docker a plus

Mandatory experience: 8 + years