Sr. Frontend (React.js)

Frontend developer with knowledge and experience in ReactJS, Jquery, Html, CSS.

Good Analytical thinking

Understand client requirements 

Good Know ledge of testing APIs for integration.

Experience in Redux and React

We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.

Key Responsibilities:

• Develop cross-platform mobile applications using React Native and JavaScript
• Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
• Work with APIs using fetch, async/await, and implement robust error handling
• Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
• Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
• Handle accessibility, dark mode, safe areas, notches, and orientation changes
• Implement animations using Animated API and LayoutAnimation
• Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
• Integrate third-party libraries, native modules, or write custom native bridges as needed
• Handle OTA updates, app size optimizations, and splash screens for both platforms
• Set up automated testing using tools like Detox or Appium
• Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
• Write clean, modular, and reusable code following patterns like atomic design or MVVM

● Design and develop responsive and visually appealing web applications and user interfaces using HTML, CSS, and JavaScript, React frameworks.

● Collaborate with UX designers, product managers, and software engineers to understand project requirements and translate them into interactive, user-friendly interfaces.

● Ensure the technical feasibility of UI/UX designs and optimise applications for maximum speed and scalability.

● Conduct code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement.

● Stay updated with the latest industry trends, best practices, and emerging technologies in UI development, and recommend their integration to enhance our products.

● Identify and address performance and compatibility issues across different browsers and platforms.

● Champion UI development best practices, standards, and guidelines within the development team.

● Collaborate with backend developers to integrate front-end interfaces with server-side logic and APIs.

● Troubleshoot and debug UI-related issues and provide timely resolutions.

● Mentor junior developers, assisting them in enhancing their skills and knowledge in UI development.

● Write and encourage other engineers to write automated tests.

Skills/ Experience

● Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).

● Proven experience as a UI Developer or Front-End Developer, with at least 3+ years of hands-on experience in building user interfaces for web applications.

● Proficiency in front-end technologies such as TypeScript, Tailwind, React, Redux.

● Strong understanding of responsive design principles.

● Solid knowledge of web performance optimization techniques and best practices.

● Familiarity with Figma and other UI/UX design tools, to collaborate effectively with designers.

● Demonstrated experience in writing UI components to corresponding backend APIs and Databases.

● Excellent problem-solving skills and ability to troubleshoot complex UI-related issues.

● Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.

Mandate Skill - Angular, Unit Testing 

Please note we are looking for immediate joiners

Designation Offered: Engineer CL 2 – I & II (Software Engineer / Lead Engineer)

UI/UX Developer Responsibilities:

• Design, build, and maintain highly reusable Angular, JavaScript, HTML and CSS code.

• Translate user behavior and research into actionable data.

• Design and create mockups and user journeys for a wide range of devices including mobile.

• Rapid development and testing methodology.

• Ability to communicate research and design ideas to the rest of the team and upper management.

• Ability to communicate with the backend to display data in the UI

• Ability to handle graphs of different types, real-time huge data display on the web page

Position Overview

Front-End UI/UX developer with a combined skillset of application design and web programming. Responsibilities will include converting the UI designs to actual code that will produce visual elements of the application. You will be working on the UI/UX technical implementation of the application functionality.

To be successful in this role, you should have very good experience in programming and interaction with the backend. The team develops web applications, and mobile-based applications, which need to display graphs, data and images in real-time. The candidate should able to display huge data efficiently.

Experience:

• A minimum of 4 years of relevant experience in a similar role

Qualification:

• Bachelor of Engineering (BTECH / BE) or Masters (MTECH / MS / MCA ) in Computer Science / Electronics / Information Science from reputed institutions

UI/UX Developer Requirements

• Proficiency with Angular, JSP, HTML, and CSS, bootstrap.

• Knowledge of Adobe Photoshop, Illustrator, Sketch or other Graphics designing tools

• Good understanding of client-side scripting and JavaScript frameworks like jquery, Node.js, React.js, and Durandal framework.

• Proven work experience as a UI/UX developer or similar role.

• Team spirit, and strong communication skills to collaborate with various stakeholders

• Good time-management skills

• Good programming knowledge of design and development of drag and drop activities, graph components and data tables with different options in tables.

Tools

Visual Studio, Adobe Photoshop

Front-end languages:

HTML 5, CSS3, jquery, JavaScript, Angular and bootstrap.

Additional skillset

• Proficient understanding of cross-browser compatibility issues and ways to work around them.

• Good knowledge of version control tools SVN (Check-in, check-out, branching-merging policies), and automated build and release management tools is a plus.

• Strong communication skills (written, verbal), and interpersonal skills to be able to communicate effectively with all levels of staff and external clients.

• Strong analytical and problem-solving skills."

• 3-5 years of experience developing and implementing software applications.
• Previous experience working as a React.js Developer.
• Knowledge in e-Commerce domain will be a plus.
• 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 REST API's 
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Knowledge of modern authorization mechanisms, such as JSON Web Token. 
• Experience with user interface design.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Experience with browser-based debugging and performance testing software.
• Proficient understanding of code versioning tools, such as Git, Github.
• Excellent troubleshooting skills.

Senior React JS Developer

Responsibilities:

Translate Business requirements into Technical Requirements and conceptualize solution by breaking it up into logical units of work.

Plan and execute product roadmap with product manager and other stakeholders.

Develop and implement integration solution with high quality, exception handling and low maintenance in accordance with the project timeline, adherence to global standards/principles, design standards

Provide support and documentation to assist in sustaining the project during the transition to production by working closely with production support team during production release and troubleshooting production issues

Responsible for effectively communicating the plan, status and updates to stakeholders and scrum team

Proactively raise issues to Product Owner and Scrum leads when necessary

Independently assess and represent development team - covering all aspects of technical feasibility, complexity and timelines during project / program review meetings.

Lead , manage , mentor team of developers.

Design and build new features, simplify existing services, and scale our systems as we rapidly grow and evolve

Create reusable patterns that improve the consistency of the codebase

Collaborate with your engineering teammates through planning, pairing, testing, reviewing and delivery of the features that you build

Work with the product team to translate powerful ideas into everyday business value

Write sustainable, testable, high-quality, high-performance code

What Makes You a Great Fit

6+ years of relevant front-end development experience writing modular / reusable / Object Oriented / functional Javascript code.

At least 5 years of working experience on React JS framework

Firm grasp of JavaScript (or Typescript) and its nuances, including ES6+ syntax

Strong expertise with HTML5, CSS3  (with media queries) and writing cross-browser compatible code

Grid system understanding

CSS preprocessor experience (SASS or LESS), Responsive design, Accessibility

Familiarity with code versioning tool like GitHub.

Experience with RESTful services

A strong, demonstrable portfolio of past web applications including websites.

Self-motivated, fast learner with attention to detail and quality

Excellent diagnostic, troubleshooting, and communication skills

Required Skills:

6+ Years of experience

Should be able to work independently and must be hands on in development.

Should be able to take a problem and produce an architectural pattern plus a proof of concept utilising best practices when it comes to developing enterprise integration software.

Should have excellent analytical and problem solving skills.

Strong proficiency with Spring Boot, Microservices, Spring MVC, Coding and Spring Integration.

Knowledge of enterprise integration patterns and asynchronous messaging patterns is required.

Experience with working with process modelling software is a nice to have.

Experience in working with rule based systems is a nice to have.

Strong fundamentals in object oriented programming is a must have.

Experience in working with at least one relational and one no sql database is preferred.

Strong experience in working and designing message structures using xml and json.

Strong knowledge of SDLC Lifecycle Process and Agile Methodology.

Experience in BPMN would be added advantage.

Experience in working with security protocol (e.g. TLS, OAuth) and understands security in development.

Experience with containerization using Docker, orchestration using Kubernetes, Continuous Integration/Delivery tools - Jenkins, Maven, GIT.

Experience in Messaging with MQ based Messaging Systems.

Communication:

Should be able to communicate effectively with product team members, clients and stakeholders.

Clarifies and communicates product objectives and problem solving.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax.
• Knowledge of functional or object-oriented programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle, Android Studio.
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

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.