11+ IntelliJ IDEA Jobs in Mumbai | IntelliJ IDEA Job openings in Mumbai

We are looking for a Senior React Native Mobile App 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.

• 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 and TypeScript or ClojureScript language and its nuances, including ES6+ syntax
• Knowledge of 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
• Experiences with automated testing suites, like Jest or Mocha

Job Title: Senior iOS Software Developer

Exp: 4 - 7 Years

CTC: up to 12 LPA

Location: Tardeo Mumbai

Technical Skills:

o Proficiency in Swift and Objective-C.

o Solid understanding of object-oriented programming

o Knowledge of memory management and multi-threading

o Experience with embedded databases and other system data stores

o Strong understanding of iOS frameworks such as UIKit, Core Data, Core Animation, and Core Graphics.

o Good  knowledge of performance limits and characteristics

o Good sense of UI design execution principles

o Experience with RESTful APIs, JSON, and third-party libraries to connect to backend services.

o Knowledge of mobile app architecture patterns such as MVC, MVVM, and VIPER.

o Experience with version control systems, preferably Git.

o Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.

o Implementation of automated testing platforms and unit tests, benchmarking and optimization 

o Understanding of Apple’s design principles and interface guidelines.

About Us:

Websites.co.in is a fast-growing platform helping small businesses and entrepreneurs go live with a professional website in under 15 minutes. Our Android app is a core product that has already empowered thousands of users across India and beyond.

We’re now looking to scale it further—and we need someone who can build, optimize, and innovate at a fast pace.

What You'll Do:

• Build and maintain native Android applications using Kotlin
• Work on real-time updates, offline capabilities, and responsive UI
• Integrate RESTful APIs and third-party SDKs
• Optimize app performance, memory usage, and battery consumption
• Collaborate with product managers, backend engineers, and designers
• Identify and resolve bugs, crashes, and edge-case failures
• Ensure code quality through unit tests and code reviews

Job Title: React Native Developer

Location: Mumbai (Andheri)

Work Mode: Work from Office (5 Days a Week)

Experience Required: Minimum 2 Years

Company: Deqode

About Deqode

At Deqode, we help businesses solve complex challenges using cutting-edge technologies. As a digital transformation partner, we work with global clients across industries, delivering scalable, secure, and innovative digital solutions. Our technology expertise spans blockchain, AI/ML, enterprise mobility, cloud computing, and modern application development.

Position Overview

We are actively seeking a React Native Developer with 2+ years of experience to join our mobile development team. The ideal candidate should have a strong command over React Native and JavaScript, and be capable of building high-quality cross-platform mobile applications. You’ll work on impactful projects for our global clients and collaborate with designers, backend developers, and product owners in an agile environment.

Key Responsibilities

• Design and develop scalable and maintainable mobile applications using React Native
• Implement reusable components and libraries that align with project architecture
• Integrate third-party libraries and backend APIs to deliver feature-rich apps
• Ensure application performance, responsiveness, and cross-platform compatibility
• Participate in end-to-end development: requirements gathering, design, development, testing, deployment, and maintenance
• Conduct code reviews, write unit tests, and maintain coding best practices
• Collaborate with UI/UX designers to implement intuitive interfaces
• Troubleshoot and debug issues across Android and iOS devices

Required Skills and Qualifications

• Minimum 2 years of experience in React Native development
• Strong expertise in JavaScript (ES6+) and modern frontend principles
• Proficiency with Redux, MobX, or Context API for state management
• Experience with RESTful APIs and asynchronous programming (Promises, Async/Await)
• Familiarity with Android Studio and Xcode for native builds
• Solid understanding of mobile UX/UI principles and performance optimization
• Experience with Git, version control systems, and CI/CD tools
• Basic working knowledge of HTML/CSS

Company: Deqode

Location: Mumbai (Andheri)

Work Mode: 5 Days Work from Office

Experience: 2+ Years

Employment Type: Full-Time

About Deqode:

Deqode is a leading digital transformation and technology consulting company, helping businesses solve complex problems using cutting-edge technologies. We specialize in blockchain, AI/ML, cloud solutions, and enterprise mobility, with a strong focus on delivering scalable and innovative digital products for global clients.

Role Overview:

We are looking for a skilled React Native Developer to join our frontend engineering team. You will be responsible for building responsive, scalable, and high-performance mobile applications across Android and iOS platforms. You’ll collaborate with cross-functional teams including backend developers, designers, and product managers to deliver seamless mobile experiences.

Responsibilities:

• Develop and maintain robust mobile applications using React Native
• Build reusable and efficient components and libraries for future use
• Integrate applications with backend APIs and third-party services
• Optimize applications for maximum speed, responsiveness, and performance
• Ensure quality, maintainability, and scalability of your codebase
• Participate in the full mobile app lifecycle – from planning, development, testing to deployment
• Collaborate in an agile environment with daily stand-ups, code reviews, and regular releases

Must-Have Skills:

• Minimum 2+ years of hands-on experience with React Native
• Strong command over JavaScript (ES6+) and TypeScript
• Experience with state management tools like Redux, MobX, or Context API
• Familiarity with native build tools such as Android Studio, Xcode
• Experience integrating RESTful APIs and handling async operations
• Solid understanding of mobile UI/UX design principles
• Proficient in Git, version control workflows, and CI/CD pipelines
• Good grasp of cross-platform compatibility and responsiveness

Responsibilities:

• Collaborate with cross-functional teams to define, design, and ship new features.
• Develop and maintain high-quality Android applications using Kotlin programming language.
• Design, build and maintain high-performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Work with external data sources and APIs.
• Unit-test code for robustness, including edge cases, usability, and general reliability.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering or related field.
• 2+ years of experience in Android development using Kotlin.
• Strong knowledge of Android SDK, Android UI design principles, and Material Design.
• Experience with RESTful APIs, JSON, and XML.
• Familiarity with cloud message APIs and push notifications.
• Understanding of code versioning tools such as Git.
• Familiarity with continuous integration.
• Good understanding of object-oriented programming, software design patterns and algorithms.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to work independently and as part of a team.

We are looking for a Senior React Native developer with 5 - 6 years of experience, in building performant mobile applications on Android & iOS platforms. You will be responsible to Architect, build React Native applications.

We are a fast growing product based startup operating out of Chennai.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across Android and iOS.
• Technical design of complex mobile applications
• Leverage native APIs for deep integrations with both platforms.
• Translating designs and wire-frames into high quality code
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Requirements

• 5-6 years of demonstrable experience in designing and developing mobile apps using react-native.
• 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 and Visual Studio Code.
• Understanding of REST APIs, the document request model, and offline storage.

Below are a few perks of joining our team:

• Competitive salary
• Fully remote job
• Creative Problem Solving and Entrepreneurial Thinking
• Fast-Paced Environment
• Consistent Engagement from Senior Leadership

We are looking out for a Flutter Developer who will be running and designing product application features across various cross-platform devices. Someone who is passionate about code writing, solving technical errors, and taking up full ownership of app development. Role & Responsibilities

● An in-depth understanding of front-end languages like Flutter is a must, HTML, CSS3, JavaScript, and NodeJS.

● Experience in the development of Web App and code should be compatible with Android/iOS applications and have deployed them on Google Play/App Store.

● In-depth understanding of databases like PostgreSQL

● You will be writing readable and clear code using Dart that will be extensively documented for future use and upgrades.

● Familiarity using version control tools like Git, Subversion, etc., and IDEs like Android Studio, VS Code, etc.

● Knowledge of Dart programming language, Rest APIs, and integration of various APIs from third parties.

● Understand basic concepts of design for developing user-friendly applications.

Work Experience:

Experience of 2-3 years on Flutter technology is a must.

Location:

Thane, Mumbai (For candidates from outside Mumbai, the company will provide shared accommodation) Joining: 0-1 month

Remuneration:

Attractive salary + ESOPs