React Developer

What We’re Looking for in You:

1. Qualifications: Bachelor’s Degree in Computer Science, Information Technology, or a related field

2. Certifications: NA

3. The Experience That Sets You Apart:

● Lead the development of responsive, pixel-perfect web interfaces using HTML, CSS, and JavaScript also Shopify

● Set and maintain frontend coding standards, structure, and best practices

● Collaborate with designers to bring UI/UX concepts to life with clean, maintainable code.

● Optimize web pages for performance, SEO, and cross-browser/device compatibility.

● Guide and mentor junior developers through code reviews and technical support.

● Own project timelines, quality assurance, and delivery for all frontend initiatives

4. Your Subject Matter Expertise:

● Team leadership — 2+ years leading 10+ member teams

● Strong communicator — aligns tech and non-tech teams

● Detail-driven — ensures UI and code precision

● Collaborative — fosters teamwork and mentorship

● Organized — manages time and parallel tasks efficiently

● Service-based mindset — experience in ~200-employee setups

● Composed under pressure — delivers in fast-paced environments

● Solution-focused — navigates challenges with clarity

Job Summary:

We are seeking a highly skilled and hands-on UI Developer with strong expertise in React.js and JavaScript to join our front-end engineering team. The ideal candidate will have at least 5 years of experience in developing scalable, high-performance, and user-centric web applications. You will be expected to contribute immediately, owning development tasks end-to-end — from design and coding to performance tuning and deployment.

 Key Responsibilities:

• Design and develop responsive, high-quality user interfaces using React.js, JavaScript, HTML5, and CSS3.
• Collaborate closely with UX designers, backend developers, and product managers to translate business requirements into technical implementations.
• Write clean, efficient, and reusable code following best practices and modern front-end standards.
• Optimize components for maximum performance and scalability across various browsers and devices.
• Participate in code reviews, ensuring adherence to coding standards and best practices.
• Troubleshoot, debug, and resolve UI-related performance or compatibility issues.
• Stay up to date with emerging front-end technologies and continuously enhance the development process.

 Required Skills & Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 5+ years of professional experience in front-end/UI development.
• Deep hands-on experience with React.js and core JavaScript (ES6+).
• Strong understanding of HTML5, CSS3, and modern UI frameworks/libraries.
• Experience with React hooks, state management (Redux or Context API), and component-based architecture.
• Familiarity with RESTful APIs and integration of front-end applications with backend services.
• Experience with Webpack, Babel, NPM/Yarn, and modern build tools.
• Solid understanding of version control systems (Git).
• Strong debugging and performance optimization skills.
• Ability to deliver results in a fast-paced, agile environment.

 Good to Have Skills:

• Experience with TypeScript, Next.js, or React Native.
• Knowledge of testing frameworks such as Jest, Mocha, or React Testing Library.
• Familiarity with CI/CD pipelines and DevOps tools.
• Understanding of UI/UX design principles and ability to collaborate effectively with designers.
• Exposure to cloud environments (AWS, Azure, or GCP).
• Experience in performance profiling and accessibility (a11y) best practices

Job Responsibilities

• Develop and maintain reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality, responsive UI components.
• Optimize components for maximum performance across different browsers and devices.
• Implement ReactJS best practices using Hooks, HOCs, and Functional Components.
• Manage state efficiently using Redux/Flux.
• Collaborate with backend developers to integrate REST APIs.
• Debug and test applications using Mocha & Jest.
• Ensure code quality, maintainability, and scalability using modern front-end tools.

Required Skills & Qualifications

✔ 3+ years of experience in ReactJS development.

✔ Strong knowledge of JavaScript, DOM, JSX.

✔ Hands-on experience with React Hooks, HOCs, and Functional Components.

✔ Expertise in ES6+ concepts (Arrow functions, Destructuring, Spread/Rest operators, Classes, Import/Export).

✔ Experience in HTML, CSS, and responsive design.

✔ Familiarity with REST APIs and integrating backend services.

✔ Experience with state management (Redux/Flux).

✔ Strong debugging skills using Mocha & Jest for performance testing.

✔ Hands-on experience with Git, Webpack, Babel, NPM.

Good to Have:

➕ Experience with backend development (Java, Microservices).

➕ Knowledge of modern authentication mechanisms (JWT, OAuth).

Role:

Senior Frontend Developer

Role Description:

Desired Experience Range 5+ years

Location: Mumbai / Work from Home

Work Experience:

Minimum 5+ years of professional experience in HTML, CSS, AngularJS

Requirements:

1. Must have hands on experience in AngularJS, NodeJS
2. Must have hands on experience in HTML 5, CSS 3
3. Must have hands on experience in developing responsive layouts
4. Must know how to test frontend layouts for various devices and resolutions
5. Must have hands on experience working with SCSS
6. Must have worked with Git
7. Understanding of SDLC process
8. Good to have knowledge of Jira

Key Responsibilites:

1. Converting layouts to HTML/CSS
2. Integrating the created HTML/CSS into the dynamic Slate platform
3. Consuming APIs in AngularJS
4. Setting up oAuth token exchange in AngularJS
5. Looking into any bug fixes post go live
6. Helping the junior developers

Reporting

Candidate will report to the Engineering Lead

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 product is important.

• 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

• Possesses a high degree of technical competency to design and develop digital applications using cutting-edge tools and technologies
• Collaborative working with the client's technology and business staff day to day
• Proactive and willing to go above and beyond to satisfy the client and deliver on project goals
• Codes, tests, debugs, implements, and documents complex applications
• Prepares for, and actively facilitates hand-off at project completion to ensure a smooth transition to the larger organization
• Extensive experience in Angular (i.e., designs new templates, tests styles or sheets, fixes bugs; collaborates heavily with core team members (especially UX and Design))
• Integration knowledge and experience with exposed services (e.g. REST, SOAP, etc.)
• Familiar with common security and performance pattern (e.g.: OATH)
• Additional Requirements for Application Platform: Angular
• Level of expertise with Angular SSR applications
• Knowledge of Micro Frontends or Micro UI
• Interaction paradigm with UI elements
• Exposure to CSS and Javascript

• Programming Languages: Java, Objective-C, C++, JAVASCRIPT, NodeJS
• Web Technologies: Angular 9/10, ReactJS, ES6, NgRx, Redux, HTML5, CSS3, BOOTSTRAP, JQuery, PHP, AJAX, PolymerJS
• Web Services: REST, SOAP
• Web Service Protocols: HTTP, XML, WSDL, UDDI, SOA
• Databases: MySQL, Oracle, MongoDB

• Solid knowledge of HTML5 and CSS3 web standards
• Solid knowledge of JavaScript as well as Browser APIs
• Angular 2+
• RxJS, Typescript, JQuery.
• Experience writing unit tests
• Webpack, Babel
• Familiar with SASS and Responsive Design
• Experience using any CSS naming convention
• Experience debugging using JavaScript-based tools like Chrome Developer Console
• Solid understanding of Git
• Good understanding of SEO principles
• You are self-organized and can work autonomously
• Strong analytical, problem-solving, written and verbal communication skills

Digital business is driving a fundamental shift to cloud-native applications, creating a new set of operational and performance challenges ill-suited to the currently available solutions. At OpsCruise, we imagine a world of autonomous operations and are innovating a fundamentally different approach to performance management. OpsCruise’s vision is to automate the performance assurance of cloud applications using a model-driven closed-loop platform. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way.

‍ Reach me on shankar at opscruise.com

We are looking for a Lead UI Engineer to design and build multiple channels for user interaction.

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• Design/Architect and develop core features of the UI/frontend.
• Design/Architect and develop policy framework to provide rich UI for various features of the solution.

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The ideal candidate must have the following qualifications.

• Must have 6+ years of experience in working in frontend technologies
• Must have at least 2-3 years. of experience with Angular2 or above versions.
• Must have at least 5+ years of experience with HTML/CSS/JavaScript/TypeScript.
• Experience with PrimeNG and Vega is a plus
• Strong background in developing UI for Monitoring and Management systems, dealing with topology, and different telemetry such as metrics, traces and logs
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with serverless technologies like AWS Lambda.
• B.E/B.Tech/MS degree in Computer Science, or equivalent

Most importantly, you should be someone who is creative and passionate about building new and innovative products that solve tough real-world problems.

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Chennai, India

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Primary Skill: Java Script

Secondary: HTML5,JS Library- React.js,React JS,User Experience Design

HTML, CSS, CSS3, JavaScript, Object Oriented JS, Angular JS, Ecma Script (ES6),React JS/Angular/TypeScript

Basic understanding of HTTP protocol, Web Application Design/Architecture

OOPS concept, JSON, AJAX

Knowledge of REST API

Basic understanding of Git

Basic understanding of client-server communication

Ready to take up challenges at work

Learning ability

Team spirit

Basic understanding of single page web application

Analytical Skills

Communication

Adaptability

Logical and Problem Solving