11+ RxJS Jobs in Mumbai | RxJS Job openings in Mumbai

• Proficiency in Angular (v8+) and TypeScript.
• Strong knowledge of HTML5, CSS3, and JavaScript/ES6+.
• Hands-on experience with RxJS for reactive programming.
• Experience with state management libraries like NgRx or similar.
• Familiarity with RESTful APIs and JSON data structures.
• Understanding of authentication and authorization mechanisms (OAuth, JWT).
• Experience with Angular CLI for project setup and management.
• Proficiency in browser developer tools for debugging.
• Strong experience with Jasmine, Karma, or other testing frameworks.
• Familiarity with build tools like Webpack or Vite.

About Us

We are a fast-growing tech company building scalable and modern web applications. Our team works on cutting-edge technologies in AI, automation, and digital solutions. We are looking for a Frontend Intern (Next.js) to join our engineering team and contribute to building interactive and user-friendly web applications.

Role & Responsibilities

• Build, test, and deploy responsive user interfaces using Next.js and React.
• Collaborate with designers and backend developers to implement seamless user experiences.
• Optimize components for maximum performance across web-capable devices and browsers.
• Work on real-world projects involving dashboards, AI products, and customer-facing platforms.
• Assist in debugging, code reviews, and documentation.
• Stay up-to-date with the latest frontend trends and best practices.

Requirements

• Basic understanding of JavaScript/TypeScript, React.js, and Next.js.
• Familiarity with HTML5, CSS3, and modern styling frameworks (TailwindCSS, Material UI, etc.).
• Knowledge of REST APIs or GraphQL integration.
• Good problem-solving skills and willingness to learn quickly.
• Ability to work in a collaborative team environment.
• Prior experience with Git/GitHub is a plus.

Nice-to-Have (Optional but a Plus)

• Experience with server-side rendering (SSR) and static site generation (SSG) in Next.js.
• Exposure to UI/UX design tools (Figma, Adobe XD, etc.).

What You’ll Gain

• Hands-on experience working on live projects with production-scale applications.
• Mentorship from experienced developers.
• Exposure to the complete product development lifecycle.

Night shift

ONSITE at programming office except Gurugram, Chennai

Need Candidate with good Comm Skills

Exp required - 8 Years 

Salary: 22 - 24 LPA

We are looking for a highly skilled Frontend Developer with strong expertise in Angular (latest version) and hands-on experience in UI/UX design tools such as Figma and Adobe XD. The ideal candidate will be responsible for developing modern, responsive, and high-performance web applications while also contributing to the design and user experience process.

Key Responsibilities:

· Develop, optimize, and maintain web applications using Angular (latest versions).

· Collaborate with designers to translate wireframes and mockups from Figma or Adobe XD into responsive, pixel-perfect web interfaces.

· Implement reusable components, services, and modules following best practices.

· Ensure cross-browser compatibility, responsiveness, and high performance of applications.

· Work closely with product managers, designers, and backend developers to deliver seamless user experiences.

· Optimize application performance and troubleshoot issues.

· Stay up to date with the latest trends in Angular, UI/UX design, and front-end development.

Required Skills & Qualifications:

· Strong proficiency in Angular (latest version) and TypeScript.

· Solid understanding of HTML5, CSS3, SCSS, and JavaScript/ES6+.

· Experience in UI/UX design tools: Figma and Adobe XD.

· Knowledge of responsive design principles and best practices.

· Familiarity with RESTful APIs and integration with front-end applications.

· Good understanding of version control systems (Git).

· Strong problem-solving and debugging skills.

· Excellent communication and collaboration abilities.

Preferred Qualifications (Good to Have):

· Experience with Angular Material, Bootstrap, or Tailwind CSS.

· Knowledge of Agile methodologies.

· Exposure to unit testing frameworks (Jasmine, Karma, Jest).

· Understanding of UI accessibility (WCAG) guidelines.

Experience Required:

· 8+ years of experience in Angular development.

· Hands-on experience in creating UI designs using Figma and Adobe XD.

⚒️ About The Role

We're looking for an experienced Frontend Engineer to breathe life into the user interface of our product. Understanding that meticulous engineering not only drives the user experience but also influences our product development process, we aim to prioritize this role from Day 1

🚀 This Role

As a Founding Frontend Engineer at Upskillr.ai, your contributions will be vital in refining the user experience of our AGI Platform. You will also participate in evaluating user interfaces and crafting the frontend landscape for future products. Further:

• Creating and optimizing our frontend infrastructure, rendering captivating user experiences through your engineering prowess.
• Utilizing your specialized skills to navigate frontend development, from designing responsive layouts to implementing interactive features.
• Collaborating closely with founders on product development and with designers for harmonious UI/UX integration.

What you'll work on:

• Leading feature development from user research to production in collaboration with designers and AI engineers.
• Building responsive UI components using React principles and JavaScript.
• Establishing a flexible frontend architecture with supportive APIs.
• Demonstrating expertise in front-end performance optimization and contemporary standards.
• Pioneering the engineering and integration of optimal human ↔ AI interfaces for enterprise operations. We're trailblazing in a fresh domain of engineering that previously didn't exist. The onus is on us to explore and incorporate a novel interface that resonates with our users.

Technical Skills:

• Profound expertise in JavaScript and React, along with robust front-end coding abilities and an understanding of progressive web applications.
• Must possess skills in HTML5, CSS3, JavaScript, React.js, Webpack, Enzyme, Redux, Flux, GIT, HTTP(s), Terminal, Build Tools, State Management, Type Checkers, Form Helpers, Routing, REST API, GraphQL, Utility Libraries, Internationalization, Server-Side Rendering, and Backend Framework Integration.
• Proficiency in browser-based debugging and performance testing.
• Experience in performance tuning, usability enhancement, automation, and continuous integration leveraging test-driven development methodologies (BDD/TDD).

🕵️ What We Look For

• Self-starters prepared to lead significant initiatives.
• Avid curiosity and passion for technology.
• Familiarity with UI/UX principles from an engineering perspective.
• Excellent communication abilities

😁 Perks & Benefits

🤝 Top-of-the-market compensation — At Upskillr.ai, we will offer top-of-the-market (90th+ percentile) compensation in both cash and equity. We believe that the best candidates deserve the best compensation, and we will ensure that it happens.

💯 High impact — You’ll be joining as a founding member of the team, and as such you will have a high level of ownership and influence over the direction of the company.

🧠 The gains — Collaborate closely with the founders. Experience the excitement of a rapidly expanding startup.

About Us

We build LLM Based Tools and Services for Enterprises.

Upskillr.ai, started by Aditya Saxena and Vikram Pandya, is a dynamic knowledge platform that combines the best of education and knowledge management powered by AGI.

What We Do

We are committed to delivering innovative and comprehensive solutions that address the diverse learning needs of individuals and organizations. The company is dedicated to leveraging Artificial General Intelligence (AGI), to provide personalized and tailored support, ensuring the success and satisfaction of its users.

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

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities
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.

Skills
Firm grasp of the JavaScript, TypeScript, ClojureScript 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, IntelliJ
Understanding of REST APIs, the document request model, and offline storage
Experience with automated testing suites, like Jest or Mocha

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• 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 user interface design.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

• Translate designs and style guides provided by the UI/UX team into functional user interfaces, ensuring cross browser compatibility and performance
• Build efficient and reusable front-end system that drive complex web applications
• Identify, address performance bottleneck and communicate best practices for front end engineering
• Responsible for meeting expectations and deliverables on time and in high quality
• Collaborate with Product Designers, Product Managers, and Software Engineers to build/deliver next generation products
• Interact with other team members to incorporate their innovations and vice versa
• Rapid prototyping web user interfaces