Lead Frontend developer

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.

• Can architect UI systems and has a well-honed understanding of the strengths and weaknesses of different frameworks.
• Cherishes the craft of an experience getting to perfect pixels, creating animations with just the right springs, investing in loading performance.
• Is familiar with React, Node. JS, NoSQL databases like Firebase, and AWS.
• Collaborates actively with designers, product managers, product scientists, and other engineers.

Be a part of one of the best IT companies that is making it easier for businesses and customers to interact with each other, efficiently and economically too.

Our client is a global platform that provides exceptional customer engagement through chatbots and various channels for their business clients. They have made their presence known across verticals, small and large businesses and even in emerging markets. The objective of their messaging platform is to create a rich experience for the marketing, sales and support teams using messaging channels, device manufacturers and operators.

They are currently working with nearly 40 thousand brands, serving almost 6 billion messages per month. Their clientele includes well-known giants such as HDFC Bank, Twitter, FB, Whatsapp, Google, LinkedIn, Zomato, Citibank, Vogue and many more. With offices based in the USA, Brazil, Mexico and India, their team has become an integral part of their clients’ numerous customer success stories.

As a Frontend Developer, you will be required to be an expert in technologies such as HTML, CSS, Javascript, ReactJS, UI Design tools, Wireframe tools etc. and work on the Frontend development of our products/ services.

What you will do:

• Designing and developing a UI framework that can be used across multiple products and website
• Working on optimization of the web application/ websites and keeping knowledge of tools used to benchmark the performance.
• Being aware of agile development (short sprints) and helping the team with debugging and troubleshooting issues.
• Learning newer technologies in UI/UX and guiding the team in delivering quality results.

What you need to have:

• Write performant code using core Vue, Vuex, and Vue Router to create websites and web applications 
• Create tests for code written by yourself and other web developers, full-stack developers, and software engineers
• Integrate Vue into legacy projects
• Diagnose and fix bugs and other software defects in new and existing Vue applications
• Run code optimization tools and analyzers to spot and refactor inefficiencies to create highly performant code

• Bachelor’s degree or several years of experience in enterprise products, computer science, or other related fields
• Strong understanding of JavaScript and React JS, including the latest revisions of ECMAScript
• Good knowledge of the Vue.js framework and related components such as Vuex and Vue Router
• Experience with standard tools and services in JavaScript front-end development and software development, such as Git, JIRA, HTML5, Laravel, Angular, Node.js, and npm
• The ability to work as part of a team, taking ownership of individual components and following coding guidelines to create performant components that fit into more-comprehensive projects
• An understanding of advanced JavaScript concepts, such as dealing with asynchronous requests and dynamic content 
• Experience with integrating and maintaining external software libraries and APIs using a command-line interface and package managers

• REQUIREMENTS

  • Write hand-coded HTML5, JS, and CSS(SCSS) that is thoroughly standards-compliant.

  • Solid Javascript experience.
    -WordPress Must needed
    -Experience designing and developing responsive design websites

  • Knowledge of modern authorization mechanisms, such as JSON Web Token

  • You know how to architect all components of a frontend project

  • You have experience reading API documentation and working with different endpoints to compose the desired effect

  • You know how to run projects through solid processes (things like code reviews, reviewing stories, planning)

  • Ability to understand business requirements and translate them into technical requirements

  • Picks up new technologies quickly and efficiently

  • Uses Git effectively

  • Know how to create tests and why it's important

  • Knowledge of OOP and software design principles

  • You know how to optimize frontend load times, debug rendering issues, and overall provide a smooth experience to the user.

  • Knowledge of responsive frontends

  • You don't have to be an expert in backend tech, but you'll need to understand how to integrate with the backend guys.

  • Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform

• WHAT do WE expect?

  • Someone who is comfortable taking on multiple projects at the same time, juggling tasks.

  • Experience of working in and collaborating with teams

  • Should take ownership of tasks.

  • Acumen. You must be able to think and judge multiple solutions for a problem and be able to reason between them.

   

  GOOD TO KNOW

  • Experience in Linux and command-line interface.

  • JS/Webpack/Browserify.