Lead Engineer UI

Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices.

About the role:

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). 

You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem-solving, sophisticated design, and quality products is important.

What you’ll do

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Version Control: Git
• SDLC: Working experience in Agile methodology
• Strong interpersonal skills and time management skills

What you’ll need

• B.Tech or M.Tech equivalent with at least 2 years of experience
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• 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
• Experience with data structure libraries (e.g., Immutable.js)
• Familiarity with RESTful APIs
• Ability to understand business requirements and translate them into technical requirements

We are seeking a skilled Senior UI Developer to join our dynamic team. The ideal candidate will have extensive experience in designing and developing user-friendly, visually appealing, and responsive web interfaces. You will work closely with UX designers, backend developers, and product managers to translate design concepts into functional UI components while ensuring high performance, scalability, and accessibility.

Key Responsibilities:

Design and develop scalable, responsive, and performant user interface components.

Define and enforce UI coding standards, best practices, and guidelines.

Collaborate with UX designers to translate wireframes and prototypes into high-quality code.

Work closely with product managers to understand requirements and translate them into technical solutions.

Mentor and coach UI developers, providing guidance and support on technical challenges.

Conduct code reviews to ensure code quality, performance, and adherence to design principles.

Stay updated with the latest UI trends, technologies, and best practices.

Drive innovation and continuous improvement within the UI development process.

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.

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. Experience building UI with user level customization, feature flags Experience optimizing for performance and faster Time To Frist Byte and streaming.

We are looking for a Senior UI Developer who is expert in React and good to have other frameworks like Angular etc (but not a must) and who can guide the rest of the UI team and interface with cross functional teams

Job Types: Full-time, Permanent

• You must know the in and out of JavaScript to design optimized and modular components that need to be used across our platform.
• You must be well versed in the React/Redux framework.
• Strong understanding of semantic HTML/HTML5, CSS/CSS3
• Experience in setting up the full UI workflow layer right from Development, Testing, Building, and Deployment.
• Good understanding of MVC architecture.

• Experience in frameworks like Bootstrap, Foundation, and CSS pre-processors like SASS and LESS.
• Exposure to page speed improvement techniques.
• Exposure of building responsive websites at scale.
• Prior work experience in Angular, Backbone, React

• Reach at 91 084 76999

Hi

About the Company:Our Client is Private Limited aims to be the country’s first food platform that brings together digitalfirst brands, experiences and retail destinations that will influence and shape the narrative around food amongst India’s most discerning consumers.

Job Location : Mumbai

What you’ll be doing?

• Developing new React Applications

• Building reusable components and front-end libraries for future use.

• Translating designs and wireframes into high-quality code.

• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model - Thorough understanding of ReactJS, React Native, and it's core principles.

• Experience with the backend framework ExpressJs. - Experience with popular ReactJS workflows (such as Flux or Redux)

• Familiarity with RESTful APIs, javascript unit testing framework, modern front-end builds pipelines, and tools

What you’ll bring?

• We are looking for an experienced React developer to be part of a diverse, fast pace and energetic team at Consumer Technologies

. • The candidate will be expected to develop and manage Web and Mobile interfaces built in ReactJS and React Native and at the same time provide troubleshooting and 2nd-tier support for existing applications

. • The candidate should be a self-starter, who is proactive, positive, flexible, and a good leader.

• Minimum qualifications: B.Tech./B.E. in CS, IT, or ECE

• 3 to 5 years of experience as React Native Developer or React.JS development.

Regards

Team Merito

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

JD for Below position-

Preferred Technical Expertise-

1. Expertise in front end web application development
2. Solid Understanding of Javascript, JQuery.
3. Experience in HTML, CSS and Bootstrap library is required.
4. Experience with Django Framework.
5. Experience with source code versioning tools such as GIT, Bitbucket etc.

Secondary Skills/Good to have Skills:

1. Experience in developing REST API is a plus.
2. Experience in Python Programming is a plus.
3. Experience in Pandas and Numpy Libraries is a plus.
4. Experience with SQL is a plus.
5. Experience with any cloud platform ( GCP is a plus )