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.

Company Description CorpCare is India’s first all-in-one corporate funds and assets management platform based in Mumbai. We offer a single window solution for corporates, family offices, and HNIs to formulate and manage treasury management policies. Our portfolio management system provide assistance in conducting reviews with investment committees and the board.

Role Description Role- Frontend Developer (Next JS) CTC- Upto 12 LPA

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design.

Responsibilities Designing, developing, and testing UI for mobile and web applications. Build reusable code and libraries for future use. Accurately translate user and business needs into functional frontend code

Qualifications Bachelor's degree or equivalent in Computer Science. 2+ years' experience in frontend development. React and Next JS experience is must. Familiarity using Scrum/Agile development methodologies. Experience building object-oriented web applications in JavaScript, HTML5, and CSS3

🔴Profile: React Native Developer

🔷 Experience- 2+ Years

🔷 Location- Mumbai, Andheri East

🔷 Mode- 5 Days WFO

(Only immediate joiners & candidates who have completed notice period)

✨ What we want:

✅ 2+ years React Native experience

✅ JavaScript, JSX & mobile development

✅ React Hooks & component lifecycle

✅ Native module integration (iOS/Android)

✅ State management (Redux/Context API)

✅ REST APIs & third-party integrations

✅ Navigation libraries (React Navigation)

✅ Mobile UI/UX best practices

✅ Testing frameworks (Jest, Detox)

✅ Mumbai, Andheri East based candidates only

No relocation cases - candidate should be present in Mumbai

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

·      JavaScript, Typescript

·      Any UI Framework (web components) - primarily React.js

·      Rxjs

·      State Management frameworks - redux

·      Design Patterns

·      Jest / WTR for testing

·      Playwright, cypress - functional tests (good to have)

Requirements:

• Bachelor’s degree in computer science, computer engineering or similar.
• Previous work experience as an AngularJS developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Experience using JavaScript building tools like Gulp or Grunt.
• Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
• Technical lead skills. Can handle a team or independent technical delivery
• Proven experience implementing front-end and back-end JavaScript applications.
• Excellent communication skills.
• Critical thinker and good problem-solver.

• Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
• Competent in building single page web applications using Node.js and React Js
• Redux for state management
• Universal rendering (Client-side rendering and Server-side rendering)
• Experience with cross-browser, cross-platform, and design constraints on the web
• Experience in developing automated unit and functional tests
• Experience in an agile development process
• Solid knowledge of algorithms and design patterns
• Have a passion for quality and writing clean, readable code that scales and performs well
• Good interpersonal communication skills
• 1+ years of software design and web application development
  
  

  Culture

  - Fast-paced, intellectually stimulating, steep learning, and growth

  - Close-knit, hardworking, supportive colleagues

  - Challenging work

  - Flat organization with no hierarchy

  - If you like problem solving, and love latest technology, there are very few better places

  
  
  

  How we are different 
   -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
  
   Why to join us
   -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
  -We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
  -There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
  -Get mentored by the best in the industry
  -Flexible working hours
  -Perks best in the industry

Responsibilities Include:

• Translation of the UI/UX design wireframes to actual code that will produce visual elements of custom analytics products and wide web applications
• Will work with the R&D and Analytics team to bridge the gap between graphical design and technical implementation
• Take an active role on both sides and defining how the application looks as well as how it works

Ideal Candidate

• Experience with JavaScript, TypeScript, HTML, and CSS
• Experience developing new user-facing features
• Strong working knowledge of front-end frameworks (Angular 2+ versions)
•  
• Experience building reusable code and libraries for future use
• Ensuring the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders

Desired Skills:

• Experience leveraging data analysis to construct strategic narrative
• Excellent problem-solving/analytical skills and ability to break down large complex concepts
• Knowledgeable in web standards and responsive design
• Strong UI/UX and design experience with the ability to simplify complex scenarios to the average user without losing functionality
• Knowledgeable in web standards and responsive design
• Familiarity with Agile project management principles
• Confidence to drive assignments to completion