Flutter Mobile App Developer

Job Profile: React Native Developer (2+ Years Experience)

Location: Kolkata

Work Mode: Work From Office

Experience Required: 2+ Years

Employment Type: Full-Time

Job Description

We are looking for an experienced React Native Developer with 2+ years of hands-on experience to join our mobile development team in Kolkata. The ideal candidate will be responsible for building high-quality, scalable, and performance-optimized mobile applications for Android and iOS platforms.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native
• Convert UI/UX designs into pixel-perfect mobile interfaces
• Integrate RESTful APIs and handle asynchronous data
• Optimize mobile applications for performance, stability, and scalability
• Implement state management using Redux, Context API, or other libraries
• Write clean, maintainable, and reusable code
• Debug, troubleshoot, and resolve production and performance issues
• Collaborate with backend developers, designers, QA, and product teams
• Participate in code reviews, sprint planning, and Agile ceremonies
• Publish and maintain apps on Google Play Store and Apple App Store

Required Skills & Qualifications

• 3+ years of experience in React Native
• Strong knowledge of JavaScript (ES6+) / TypeScript
• Hands-on experience with React Hooks and Functional Components
• Experience with Redux / Context API
• Strong understanding of mobile UI/UX guidelines
• Experience with REST APIs and third-party SDK integration
• Familiarity with Android Studio and Xcode
• Experience using Git for version control

Good to Have

• Experience with Native Modules (Android / iOS)
• Knowledge of Expo
• Experience with Firebase (Auth, Push Notifications, Analytics)
• Familiarity with CI/CD pipelines for mobile apps
• Understanding of app performance optimization techniques

Behavioral & Soft Skills

• Strong analytical and problem-solving skills
• Good communication and collaboration abilities
• Ability to work independently and meet deadlines
• Willingness to work from office in Kolkata

What We Offer

• Stable work-from-office role in Kolkata
• Opportunity to work on live production mobile applications
• Career growth and technical learning opportunities
• Supportive and collaborative work environment

About HighLevel

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform built for marketing agencies, entrepreneurs, and businesses. We support a global community of 2M+ businesses, helping them streamline operations, drive growth, and achieve their goals.

Our platform operates at massive scale—processing 15B+ API hits and 2.5B+ message events daily, managing 470TB of data across five databases, running 250+ microservices, and supporting over 1M domain names.

About the Role:

We're looking for a seasoned Senior Mobile Engineer (Flutter) who has built and scaled real-world mobile products and understands the craft behind delivering fast, reliable, and user-centric experiences. At HighLevel, you'll help shape a mobile platform used by hundreds of thousands of users across small and medium businesses, working on core feature development, cross-platform abstractions, performance optimizations, and our WYSIWYG mobile app customizer for white-label apps.

This role is ideal for an engineer who goes beyond implementation — someone who understands how mobile systems behave under the hood, cares deeply about performance and resource efficiency, and brings strong product intuition to every decision. You'll collaborate with product, design, and backend teams, guiding both what we build and how we build it. If you enjoy solving complex technical challenges, thinking like a product engineer, and influencing systems at scale, this is the place to make meaningful impact.

Qualifications

• Experienced in building and scaling production-grade Flutter applications with deep knowledge of rendering, widget lifecycle, state management, concurrency, and performance tuning.
• Strong native expertise in Android (Kotlin/Java) or iOS (Swift), including comfort with platform APIs, debugging tools, and architectural patterns.
• Proven ability to optimize for memory usage, CPU load, battery efficiency, networking, and storage to deliver smooth and resource-efficient mobile apps.
• Strong understanding of concurrency models (isolates, async/await, streams, coroutines, GCD) and ability to build responsive and resilient systems.
• Comfortable working with reactive architectures.
• Ability to design clear abstractions, write maintainable and idiomatic code, and consistently improve the codebase.
• Familiarity with other cross-platform technologies (React Native) or exposure to web/backend systems (Node/NestJS, Go, etc.) is a strong plus.
• Strong communication skills and a product-engineering mindset, with the ability to understand customer needs, challenge assumptions, and shape solutions.
• Collaborative approach with experience in Git, CI/CD workflows, code reviews, and cross-functional teamwork.

Hi

About Company

Our client is a community-based marketplace for global wellness entrepreneurs (both in services and products) and consumers. They provide platform and technology to enable sustainable & holistic wellness professionals to be successful. For the consumers, they create health awareness through our enriching content and help them reach their health goals through our world-class Experts, tools, programs and products.

Role: Mobile Developer

Location: Noida (in office)

•       Experience in building complex applications using Flutter (preferred) or using similar mobile frameworks

•       2+ years’ experience in mobile application development

•       Knowledge AWS/cloud hosting

•       CI/CD development/deployment practices

.        Working with Docker containers

•       Modern software design practices

•       Secure coding best practices

•       Best practice knowledge of API development

•       Strong development testing knowledge - Unit testing, test automation

Bonus if you have:

•       Experience with platform channels or writing Flutter plugins to interact with native APIs

•       Back End C# .NET/ .Net Core

•       MS SQL experience

•       Experience with microservice architectures

Regards

Team Merito

Job Description

We seek natural problem solvers who take initiative and who have the ambition to become a leader at Geekmindz. Bring your passion and expertise to build the Geek brand. We are a fun workplace with a strong team that comes together to bring 100% of what they do. Are you a multiple Flutter/Dart whose comfortable with both Front End and Back End programming ?

As a Flutter & Android Developer you will use a consultative approach to...

Responsibility :

• Create multi-platform apps for iOS and Android using the Flutter development framework.
• Flutter is very new, so even if you have never launched a production Flutter app, familiarity with it is important.
• Experience developing with Dart, whether with Flutter or for the web.
• Experience contributing to and managing high-scale production mobile apps.
• Proficient in using version control and continuous integration, with tools such as Github.
• Experience with third-party libraries and APIs.
• Responsible for developing and designing front end mobile architecture in flutter, ensuring the responsiveness of mobile applications and working alongside graphic designers for full-stack developers, among other jobs.

Requirements :

• Able to self-manage and attention to detail.
• Have built At least two Android and/or iOS apps.
• Proven working experience in software development.
• Working experience in mobile development.
• Have published one or more mobile apps in Google Play or App Store.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Understanding of the full mobile development life cycle, including automated testing and building.
• Experience working in an agile development process.
• Good communication skills in English.
• Excellent verbal communication skills.
• Good problem-solving skills.

Role: As a part of the Engineering team, you will be responsible for driving the mobile App development end-to-end. In this role, you will be working to find creative solutions that improve our customer’s experience and brand reputation when facing technical issues on the platform. You will be responsible for tracing and monitoring real-time transactions through various systems end-to-end, displaying key information, and provided with controls necessary to mitigate incidents.

• Minimum 4-5 years experience in developing mobile applications
• Excellent understanding of software design and object-oriented programming principles.
• Minimum experience of 1.5 years on Flutter, 
• Good knowledge about clean code architecture.
• Knowledge on writing Unit test cases
• Hand-on experience in widget building, its lifecycle, and inbuilt widgets provided by flutter.
• Hands-on experience in API integration in flutter.
• Hands-on experience with local storage, shared preferences, session management.
• Knowledge of Flutter performance and optimization
• Knowledge about architectural differences between ios/android and how flutter handles them.
• Good to have knowledge on Financial domain
• Good to have experience in financial industry/Fintech 
• expirience on doing android release

tl;dr

🤓 An early employee of an experienced team. A lot of impact and opportunities to learn or deepen new technologies like GPT3, Amazon Rekognition, FFmpeg and more.

💰 Fixed Salary + Stock-Options

About

Blend is an AI-driven graphic design tool for entrepreneurs that removes decision making to create professional-grade product catalogs. Entrepreneurs can now create product marketing material in a few seconds to stand out and sell better online. Instead of manipulating pixels, users edit objects. Deep learning models ensure the translation of pixels into objects.

What you'll do

Blend app, an AI-driven design tool, will help its users create stunning designs within seconds.

To help us get to our vision faster, we are looking for an Engineer to join us on our app development front. This developer:

• 👩‍💻 Would work on our Flutter codebase writing cross platform code for both Android and iOS.
• 🎨 Work closely with product and design to create amazing user experiences.
• 🐜 Watch out and fix production issues, and target on running a smooth experience.
• 📈 With the help of the rest of the team, you maintain a great app with few bugs and trustable analytics: KPIs, logs, crash logs, boards.

Above all, you would be the owner of the app side of things. Drive it to success. That will be the goal.

We are tech/langugage agnostic when it comes to developers, so the only hard requirement is to be smart and passionate. That being said, having the skills below will be an advantage:

• Experience working with Flutter and/or Dart
• Experience with React/React Native (makes it easier to pick up flutter)
• Experience with Native app development (sooner or later you might get to a point where you need to write native modules as well)

How we work:

• Team: you are humble, open to challenge, and like to help others grow. The most important is the progress of the team and the product.
• Impact: you can prioritize your time to build what will give users superpowers or wow them.
• Learning: learning and sharing knowledge makes you happy. At Blend, this holds true as a team, with machine learning, and with our users.

Hiring process:

3-steps process:

• Screening call
• Technical Interview
• Cultural fit interview with the founders

Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.

Job Description -

We are looking for programmers with a keen eye for design and performance for the position of Flutter developer. Flutter developers are responsible for ensuring the alignment of design and user experience requirements, optimizing applications for maximum efficiency, and maintaining brand consistency across the application, among other duties.

Flutter developers are required to work in teams alongside back-end developers, graphic designers, and user experience designers to ensure all elements of application creation are consistent. This requires excellent communication and interpersonal skills.

Responsibilities -

• Design & implement new app modules based on the product requirements using the Flutter framework
• Maintain existing codebases
• Build reusable code and libraries for future use
• Integrate user-interfaces elements developed by other developers
• Build user interfaces designed by UI/UX designers
• Integration of data storage solutions
• Integrate various third party/in-house APIs
• Debug existing apps components, fix issues and avoid regressions
• Collaborate closely with the teams of PMs, QAs, and other developers
• Participate in software architecture, design discussions, and code reviews
• Optimize application for maximum speed and scalability

Skill & Qualifications -

• Desire to work in a startup environment, able to self-manage and work remotely (when required)
• Must have built at least one Android and/or iOS apps with Flutter
• Proven Working experience in software / mobile development - Android or iOS
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle, including automated testing and building
• Familiarity with SQL/NoSQL databases and their declarative query languages
• Proficient understanding of code versioning tools, such as Git / Mercurial
• Understanding of the Agile development life-cycle
• Ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state.

• Leverage native APIs for deep integrations
• Solving any challenges that might appear on the way
• Diagnose and fix bugs and performance bottlenecks for performance that feels native
• Maintain code and write automated tests of quality that sets the benchmark for your future colleagues

• 2+ years of relevant industry experience in React Native
• A deep understanding of JavaScript
• Familiarity with video recording, playback, and uploading libraries
• Experience with Native Android app deployment
• Familiarity with modern front-end build pipelines and tools
• Familiarity with Socket.io is a plus
• Familiarity with RESTful APIs
• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interface
• Highly accountable and takes ownership, with a collaborative attitude, and a lifelong learner
• Familiarity with code versioning tools (such as Git)

• Architect, build and maintain excellent React Native applications with clean code.
• Implement pixel perfect UI's that match designs.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Integrate third-party API's.
• Write unit and integration tests.
• Release applications to the Apple and Google Play stores.
• Work with native modules when required.
• Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and a designer.

Responsibilities And Duties:

• As a Flutter Developer, you will create multi-platform apps for iOS and Android using Google's Flutter development framework.
• The primary focus will be on creating new experiences and maintaining the acclaimed app. You will additionally work on innovative new app projects as well as internally incubated ventures.
• Deep experience contributing to and managing high-scale production mobile apps. You must have previous experience in Flutter development.

Requirement:

• 3-5 years working as a full-time professional developer (Mobile) and 0.6 Year in a flutter(Must).
• Experience building a moderately complex Android app with knowledge of dart.
• Bonus if it's on the Play Store or we can view the project
• Willing to work with cross-platform frameworks.
• Willing to learn and work on different mobile platforms/frameworks when needed.
• Published at least one app on the Play Store using Flutter/ Native (Java/Kotlin/Swift/Object c).