Flutter App Developer

Senior Mobile App Developer (Android & iOS)

Location: Brookefield, Bangalore — Onsite

Engagement: Full-Time

Experience: 3+ Years

Job Description

We are seeking a highly skilled Senior Mobile App Developer/Consultant with strong hands-on experience in building, deploying, and maintaining mobile applications for both Android and iOS, with React Native as the primary development framework.

The ideal candidate must be proficient with React Native, Android Studio, Xcode, and the end-to-end iOS App Store deployment process. This is an onsite, full-time role suitable for professionals who can take ownership and deliver high-quality product-based mobile applications. Experience in product companies or the banking/fintech domain is a strong advantage.

Primary Tech Stack (Mandatory)

React Native (Primary Framework)

Android Studio (Java/Kotlin)

Xcode (Swift/Objective-C)

RESTful APIs & Integration Patterns

App Store & Play Store Deployment Processes

Key Responsibilities

Design, develop, and maintain mobile applications using React Native for both Android and iOS.

Work with native modules when required using Swift/Objective-C and Java/Kotlin.

Build and release iOS apps to the Apple App Store, including managing certificates and provisioning profiles.

Debug, troubleshoot, and enhance mobile applications.

Optimize app performance, stability, and responsiveness.

Collaborate with product, backend, and QA teams for smooth development workflows.

Apply best practices in UI/UX, security, and mobile architecture.

Prepare documentation and provide technical guidance as needed.

Required Skills & Qualifications

3+ years of hands-on mobile development experience.

Mandatory: Strong proficiency in React Native.

Hands-on experience with Android Studio and Xcode.

Expertise in Swift, Objective-C, Kotlin, or Java.

Proven experience in building and publishing iOS apps to the App Store.

Strong understanding of RESTful API integrations.

Good knowledge of mobile UI/UX principles.

Strong debugging and problem-solving abilities.

Ability to work independently and deliver within timelines.

Nice to Have

Experience with Flutter or native-only app development.

Product-based company experience.

Exposure to Banking / FinTech systems.

Understanding of App Store Optimization (ASO).

Work Details

Location: Brookefield, Bangalore (Onsite)

Working Days: Monday to Saturday (Alternate Saturdays Off)

Timings: 9:00 AM – 6:00 PM

• Proficient in React, JavaScript (ES6+), and TypeScript.
• Expertise in state management libraries (Redux, Zustand, etc.).
• Hands-on experience with react-navigation and deep linking.
• Solid understanding of Expo (both managed and bare workflows).
• Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android).
• Experience with custom native module bridging and native UI integration.
• Strong debugging skills using tools like Flipper and Chrome DevTools.
• Familiarity with Jest, React Native Testing Library.
• Experience with REST APIs, GraphQL, and real-time data (WebSockets).
• Ability to manage OTA updates with EAS Update and configure EAS Build.
• Experience in app publishing and release lifecycle on both Play Store and App Store.
• Knowledge of secure storage, token handling, and app-level security practices.

Responsibilities

·        Design and build advanced applications for the iOS platform.

·        Collaborate with cross-functional teams to define, design, and ship new features.

·        Work on bug fixing and improving application performance.

·        Identify and correct bottlenecks and fix bugs

·        Help maintain code quality, organization, and automatization

·        Support the whole application lifetime from idea through design, testing, release, and maintenance

·        Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Skills

·        Proficient with Swift and Cocoa Touch

·        Experience with iOS frameworks such as Core Data, Core Animation, etc.

·        Experience with offline storage, threading, and performance tuning

·        Familiarity with RESTful APIs to connect iOS applications to back-end services

·        Understanding of Apple’s design principles and interface guidelines

·        Experience with performance and memory tuning with tools 

·        Familiarity with cloud message APIs and push notifications

·        Knack for benchmarking and optimization

·        Proficient understanding of code versioning tools source tree, git

·        Familiarity with continuous integration

·        Solid grasp of algorithms, memory management, object oriented programming, and MVC Design

Competencies

·        Excellent communication skills

·        Ability to co-ordinate with cross functional teams  

·        Should be a good Team player.

Minimum 2 years of working experience.

Can work on live projects of international clients.

Can handle multiple projects

Error-free coding.

Required Experience, Skills and Qualifications

Objective-C, or increasingly, the Swift 3.0 programming language

Apples Xcode IDE

Frameworks and APIs like Foundation, UIKit, and CocoaTouch

UI and UX design experience

Apple Human Interface Guidelines

2D and 3D graphics frameworks like SpriteKit and SceneKit

OpenGL or Metal, iOS graphics APIs

Familiarity with iOS 10 and newer OS versions

A Git code repository technology

Strong Objective-C skills and inside-and-out knowledge of the iOS SDK.

Experience using and creating scalable web-based Restful APIs.

We're looking for developers to own, code & ship mobile games at rocket speed. It's a fast-paced, high-adrenaline job, with plenty to learn and build. If you're quick to pick up new tech, never satisfied with what you build, and like a new challenge every day, you'll love this job.

Requirements:

• Experience with React Native & JavaScript including JavaScript object model.
• Thorough understanding of React Native and its core Principles.
• Hands on experience on React Native Framework at least 2 years.
• Familiarity with code versioning tools (Such as Git, SVN or Mercurial)Familiarity with RESTful APIs
• Familiarity with modern front-end build pipelines and tools.
• Experience with Native Mobile app deployment on App store and google play store.

• Should have programming experience on the iOS native platform.
• Adept in Swift language.
• Familiarity with RESTful APIs to connect iOS applications to back-end services.
• Strong coding, data structures and algorithms.
• Should have a working knowledge on various libraries available for iOS.
• Familiarity with XCode and other Developer tools.
• Deep understanding of software engineering practices, Object Oriented Analysis.
• Obsession with quality and customer experience.
• Understanding of design and architecture is an added advantage.

Stackera is a leading software consultancy seeking creative and skilled developers to join our fast-growing team. Our mission is to design and develop technology that improves the lives of its users while providing an exceptionally high level of service to our fintech clients.

We are looking for developers who want to be part of a fast-paced, dynamic environment, where everyone's opinions and efforts are valued. We hire outstanding professionals and give them the opportunity to thrive in a collaborative atmosphere that values learning, growth, and hard work.

If you have the desire to be a part of an exciting, challenging, and rapidly-growing software development consultancy, and if you are passionate about software development and creating the finest in fintech read below.

• Work as part of a team to build React Native iOS / Android applications
• 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 APIs.
• 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 team, which will include other React Native developers, a project manager, QA professional, and a designer.
• Complete two-week sprints, and participate in sprint retrospectives and daily stand-ups.
• Assist with building estimates.
• Interface with clients via Flock, Slack, Zoom, and email.
• Track your time throughout the day.
• Work with modern tools including Jira, Trello, Slack, GitHub, Google Docs, etc.
• Be part of a community of React Native developers who share knowledge and help each other as problems arise. Follow Stackera's detailed development process

Requirements:

• 1+ years of professional experience working with React Native.
• 2+ years of professional software development experience.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon, both in regards to estimates and to the general process.
• Ability to identify with the goals of our clients and dedicate yourself to delivering on the commitments you and your team make to them.
• An understanding of React Native best practices and a commitment to following them.
• Ability to work through new and difficult React Native issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• A positive mindset and can-do attitude.
• Forensic attention to detail.
• English skills (ability to effectively communicate via written and spoken English).
• A passion for software development. It's not just your career, it's also your hobby. You're constantly striving to learn new things and improve. You follow industry news, regularly tinker with new technologies, and read books and blogs to keep your skills current.
• You work well within a team environment and enjoy working in the office with your colleagues.