Javascript React Developer / Architect

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 are seeking a highly skilled Frontend Tech Lead with extensive experience in React.js developmentand team leadership. As a Tech Lead, you will be responsible for leading a team of developers while alsocontributing to the development of high-quality software solutions using React.js and related technologies.

Responsibilities :

● Lead a team of software developers in the design, development, and implementation of React.js-based software solutions.

● Provide technical guidance and mentorship to team members, ensuring best practices are followed and code quality is maintained.

● Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical solutions.

● Architect and design scalable, maintainable, and high-performance software systems using React.js and related technologies.

● Implement and maintain coding standards, code reviews, and other processes to ensure high-quality deliverables.

● Stay up-to-date with the latest trends and best practices in React.js development and incorporate them into the development process.

● Troubleshoot and debug complex technical issues, providing timely resolutions to ensure project deadlines are met.

● Work closely with cross-functional teams to ensure alignment on project goals, timelines, and deliverables.

● Participate in Agile/Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives.

Requirements :

● Bachelor's degree in Computer Science, Engineering, or related field.

● Minimum of 8 years of professional experience in software development.

● Extensive hands-on experience with React.js and related libraries/frameworks.

● Minimum 2-3 years of experience in leading and managing software development teams, with a proven track record of overseeing teams of at least 5-6 members.

● Strong understanding of software engineering principles, design patterns, and best practices.

● Experience with implementing or contributing to design systems, which helps maintain consistency across large applications.

● Experience with modern front-end development tools and workflows.

● Proficiency in HTML, CSS, and JavaScript.

● Excellent problem-solving and analytical skills.

● Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

● Understanding and application of security best practices in React applications, such as preventing XSS attacks, managing authentication/authorization securely, and understanding common vulnerabilities.

● Experience with Agile/Scrum methodologies is a plus.

We are looking for a creative, skilled UI developer to design web apps with functionality and aesthetics in mind. The UI developer will work with back-end developers and front-end developers to ensure that the applications are optimized for several devices and presented attractively. To be successful as a UI developer you should have excellent knowledge of HTML, JavaScript, and CSS. In addition to this, you must work well in a team as there are several individuals involved in the development process.

• Work with other developers to ensure that the web apps are functional and visually appealing.
• Liaise with the client to gauge their needs and expectations.
• Plan the layout of the applications.
• Ensure that the applications are optimized for various devices.

• Proficiency in HTML, JavaScript, jQuery, and CSS.
• Knowledge of Adobe Illustrator.
• Good interpersonal skills.
• Understanding of key design principles.
• Good problem-solving skills.

1. Solid technical skills with a proven and successful history working as a Front End Developer
2. Experience & Knowledge in Angular, React & Vuejs
3. Good working knowledge on Bootstrap, CSS, HTML5, JavaScript and TypeScript
4. Excellent interpersonal abilities, communication skills, time management and Team skills with an intention to work hard to meet project deadline

Work Profile

• Delivering a complete front end application in AgularJS
• Ensuring high performance on mobile and browser with reusable and modular components spanning cross multiple projects
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Integrate with the back-end developer in the process of building the RESTful API
• Communicating with external web services for 3rd Party tools and services integration

Requirement

• Experience and proficiency with AngularJS, JavaScript and HTML5
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ability to provide SEO solutions and optimization
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS

• 5 years professional experience writing full-stack REST-based applications.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• 2-4 years of experience working with reactJS.
• Thorough understanding of the core principles of ReactJS.
• Prior experience with popular React.js workflows (such as Flux or Redux).
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Knowledge of Spring Boot, Spring Security, Spring JPA & Hibernate.
• Experience working with SQL and NoSQL databases.
• Adopted opinionated Restful web services design patterns.
• Knowledge of Application containerization technologies, including Dockers, Kubernetes , and cloud-vendor implementations (AWS, Azure, other).
• Ability to pick up and learn new technologies quickly.
• Strong verbal and written communication skills.

TECHNICAL SKILLSET

• You have strong experience with semantic HTML5, CSS3, and a CSS preprocessor of your choice SASS or LESS, understanding of writing modular CSS (Must)
• You have strong knowledge of Object Oriented JavaScript (Must)
• You have strong experience with Angular or any other frameworks like Ember, Backbone or React (Must)
• You have working experience with large scale front-end architectures
• You have good knowledge in using restful web services
• You have a strong focus on performance
• You have knowledge of CSS animations
• You have experience with automation tools like Web-pack, Grunt or Gulp
• You have knowledge of unit testing tools like Jasmine, Karma etc.

Job Role

• As a Frontend Developer you will be responsible for extending and optimizing product user interfaces. You will work in a team of developers and designers to build cutting edge, graphical appealing user interfaces that provide a great user experience
• Develop web applications using various JavaScript frameworks 
• Have attention to detail and identify potential performance weak spots
• Find and share frontend best-practices with team members and other developers
• You will be actively involved during the entire technology development lifecycle.
• Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
• Work with a team of amazing developers and designers involved in the design and development of global platforms, participate in Agile sprints
• Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
• You will be working on one of the fastest growing e-Commerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant and offline to Online, mobile commerce, analytics, automation, DevOps and a lot more for the global markets positioned for Asia.
• Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.

Qualification

• A Bachelor’s degree in Computer Science or equivalent.

Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.

OPPORTUNITIES : Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies – on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.

Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.