Senior Mobile app Developer

Role Overview

As an Associate Software Development Engineer (React Native), you will work closely with the product and engineering teams to build, maintain, and enhance mobile applications. This role is ideal for fresh graduates or early-career developers who can demonstrate their skills through projects, internships, hackathons, or open-source contributions.

Key Responsibilities

• Develop and maintain mobile applications using React Native.
• Collaborate with designers, product managers, and engineers.
• Integrate REST APIs and third-party services.
• Write clean, maintainable, and scalable code.
• Participate in testing, debugging, and optimization.
• Learn and adopt modern software engineering practices.
• Preferred Technical Skills
• Strong understanding of JavaScript and TypeScript fundamentals.
• Familiarity with React and React Native development.
• Understanding of mobile architecture, state management, and navigation concepts.
• Experience consuming REST APIs.
• Understanding of authentication, networking, and JSON handling.
• Knowledge of Git and version control workflows.
• Understanding of DSA, OOP, and debugging techniques.
• Familiarity with Android and iOS deployment processes is a plus.

Nice to Have

• Experience with Expo or React Native CLI.
• Familiarity with Redux, Zustand, or Context API.
• Basic backend exposure using Node.js, Golang, or Express.js.
• Knowledge of PostgreSQL, MongoDB, or Firebase.
• Exposure to AWS or cloud platforms.
• Personal projects, internships, hackathons, or open-source contributions.

Candidate Profile

• Passionate about mobile app development.
• Strong problem-solving and analytical skills.
• Eager to learn in a fast-paced startup environment.
• Demonstrates ownership, curiosity, and collaboration.

Position: Senior React Native Developer (4- 7 years)

Location: Remote (Company in Mumbai)

Company: Big Rattle Technologies Private Limited

Immediate Joiners only.

Summary:

We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.

Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.

KEY RESPONSIBILITIES

• Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
• Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
• Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
• Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
• Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
• Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
• Collaborate with designers, backend engineers, and product managers in Agile sprints.
• Conduct code reviews and mentor junior mobile developers.

Required Skills:

Core Mobile

▸ React Native CLI & Expo

▸ TypeScript

▸ React Navigation v6+

▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio

E-commerce & Integrations

▸ Product / Cart / Checkout flows

▸ Razorpay, Stripe, PayPal SDKs

▸ Wishlist, search UX, filters

▸ Order tracking & delivery status

▸ Push notifications & deep linking

State & Data

▸ Redux Toolkit / Zustand

▸ React Query / SWR

▸ REST & GraphQL APIs

▸ AsyncStorage / MMKV

▸ Firebase Realtime DB / Firestore

DevOps & Tooling

▸ Fastlane & GitHub Actions / Bitrise

▸ Jest (unit) & Detox (E2E)

▸ Firebase Crashlytics & Sentry

▸ Flipper / Reactotron

▸ App Store & Play Store deployments

Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK

• React Native New Architecture (JSI / Fabric / TurboModules)
• React Native Web or monorepo setups (Nx, Turborepo)
• AR product try-on experiences (ARKit / ARCore)
• Shopify Storefront API or WooCommerce SDK experience
• Accessibility (WCAG mobile) implementation
• Live order-tracking maps (Google Maps / Mapbox)

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Why should you join Big Rattle?

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

Job Title: Flutter Developer

Experience: 5 to 11 Years

Job Locations: Bangalore & Coimbatore

Interview Process: Final Round – Face-to-Face Interview at Bangalore or Coimbatore (Mandatory)

Job Summary

We are looking for an experienced Flutter Developer with 5 to 11 years of experience in mobile application development. The ideal candidate should have strong expertise in Flutter, Dart, and modern state management techniques, along with experience in developing secure, scalable, and high-performance mobile applications. Candidates with Banking or Financial Services domain experience will be preferred.

Key Responsibilities

• Design, develop, and maintain high-quality cross-platform mobile applications using Flutter.
• Build responsive, scalable, and reusable UI components.
• Integrate RESTful APIs and third-party services.
• Implement efficient state management using Bloc, Provider, Riverpod, or GetX.
• Develop secure and reliable applications following industry best practices.
• Work with Firebase services including Authentication, Cloud Messaging, Firestore, Remote Config, and Analytics.
• Develop and maintain Flutter Web applications where required.
• Collaborate with UI/UX designers, backend developers, QA engineers, and product teams.
• Participate in Agile/Scrum ceremonies including sprint planning, stand-ups, code reviews, and retrospectives.
• Troubleshoot, debug, optimize, and enhance application performance.
• Ensure code quality through testing, documentation, and adherence to coding standards.
• 
  

Required Skills

• 5 to 11 years of experience in Mobile Application Development.
• Strong expertise in Flutter and Dart.
• Hands-on experience with REST APIs and JSON.
• Experience with state management frameworks such as:
• Bloc
• Provider
• Riverpod
• GetX
• Experience integrating and managing Firebase services.
• Hands-on experience with Flutter Web.
• Strong understanding of Agile/Scrum methodologies.
• Experience with Git version control.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.
• 
  

Preferred Qualifications

• Experience in the Banking or Financial Services domain.
• Knowledge of mobile application security best practices.
• Experience with CI/CD pipelines for Flutter applications.
• Familiarity with Google Play Store and Apple App Store deployment processes.
• Understanding of mobile application performance optimization.
• 
  

Why Join Us?

• Work on enterprise-grade mobile applications serving thousands of users.
• Opportunity to build innovative solutions in the Banking & Financial Services domain.
• Collaborative work environment with opportunities for learning and career growth.
• Exposure to the latest Flutter ecosystem and modern development practices.
• 
  

Job Details

• Role: Flutter Developer
• Experience: 5 to 11 Years
• Job Locations: Bangalore & Coimbatore
• Interview Locations: Bangalore & Coimbatore (Final Round – Face-to-Face)

Interested candidates can share their updated resume to: roshin. ss@ hashone .co. in

Hiring Flutter Mobile Application developer for Indore location for our IT Company Logical Soft Tech Pvt ltd, Indore(M.P)

Job Location : Indore, Madhya Pradesh ( Please only who can come for interview only need to apply)

1) Experience :- Minimum 1 year experience in Flutter Mobile app app development needed

2)Should have very good knowledge in Flutter dart and flutter flow framework both design and development.

3) Should have great expertise in Json parsing ( server based Rest api integration), 3rd party api integration, chat , notification, social media integration, payment gateway.

4) Should be expert in completing the work on time and meet the deadline of the project.

4) Should be good enough to work in team or individual by understanding the requirement and working professionally

5) Great team player, polite behavior , immediate joiner or within 15 days will be preferred.

**

If you meet above job criteria , Please share the cv and come for the interview or can call on given HR number if any queries ( between 11:00 A.M to 7:30 P.M)

Company name : Logical Soft Tech Pvt Ltd

Email : - talentlogicalsofttech @gmail.com, logicalhr.softtech @gmail.com, hrlogicalsofttech @gmail.com,

Address: - 2nd floor, 388,PU4, Scheme 54 PU4, Infront of Main Eye Retina Hospital, Vijay Nagar, Indore, M.P

Contact : - +91-82.698.297.29(HR), +91-78.69.73.15.95(HR), +91-741.595.09.19(HR), +91-82.10,25.18.24 (technical Department)

**For complete fresher we have internship program also on live projects with our technical developer team*

• 7+ years of full-time iOS engineering experience with strong expertise in React Native and deep understanding of iOS SDK.
• Proficient in object oriented programming, multithreading, networking, memory management and source control management (git).
• Strong focus on building high-quality mobile UI experiences. Passion about delivering software that delights our end users.
• Proficiency with UI/UX paradigms to build elegant user experiences.
• Experience working with product management and design teams.
• Strong written, verbal communication skills; ability to influence others within your team and outside your team.
• Experience in testing and deploying scalable mobile applications.
• Experience analyzing a feature in production using analytics and experiments.
• Attention to detail, particularly around software engineering fundamentals, testing methodologies and quality.

• Fast learner: We're looking for software engineers who thrive on learning new technologies and don't believe in one-size-fits-all solutions. Should be able to adapt easily to meet the needs of our extensive growth and constantly evolving business environment.
• A great teammate: Believe that you can achieve more on a team - that the whole is greater than the sum of its parts. You rely on others' candid feedback for continuous improvement.
• Design and entrepreneurial acumen: Understand requirements and business use cases beyond the written word.

We're looking for a role of full time fluter developer.

Roles and Responsibilities

Solid understanding of Flutter, Dart, Flutter animations.

- Should have experience working with Flutter state management approaches like BlOC, GetX, Provider etc.,

- Experience with third-party libraries and APIs

- Knowledge and understanding of SQL

- Experienced in working with remote data via RESTful Apis and JSON

- Strong understanding of design patterns over and above MVP, MVVM, and MVC

- Bug fixing and improving application performance

- Unit-testing code for robustness, including edge cases, usability, and general reliability

- Must have built at least two Android andor iOS apps with Flutter

- Proficient understanding of code versioning tools, such as Git

Desired Candidate Profile

• Must have at least 5+ years of hands-on experience in Flutter development
• Must have built at least 2 Android and/ or iOS applications using Flutter
• Must have published 2 or more applications in the Google Play, App Store, or Github
• Proven ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state
• Proven experience in both mobile and software development, third-party libraries, and APIs
• Knowledge of translating UI/ UX designs into code, Location services, Maps, and other common iOS/ Android libraries
• Experience working in an Agile environment

Key responsibilities: 

• 1-2 years experience in React-Native based app development
• 1-3 years experience in Mobile app development (React-Native + iOS)
• Hands on experience in Redux
• Knows how to embed React-Native in a native (iOS/Android) component and vice versa
• Strong hold on JS/ CSS fundamentals
• Development experience of UI (layouts, animations, etc.) 
• Experience of customizing libraries
• Good understanding of Design and Architecture Patterns 
• Strong focus on app performance

Must have:

• Experience in iOS development
• Willingness to learn and work in React Native 

Good to have:

• Experience in unit testing 

What you need to have:

Roles & Responsibilities

• Capability to develop highly responsive applications and websites.
• Capability to find and fix bugs.
• Enhance the performance of an application close to a native one by removing the constriction.
• Capability to maintain code that is easy to understand.
• Write tests for automation so that the app can be tested easily.
• Capability to take advantage of native APIs for deep integration of all platforms.
• Capability to completely transcend a React Web App into a React Native one.

Skills

• Knowledge of Object-Oriented Programming.
• Complete familiarity with Javascript and capability to write script that is optimised and works perfectly.
• Capability to write Well-documented code with Javascript that is easily readable.
• Having the knowledge of third-party dependencies and debugging dependency conflicts that might occur.
• Understanding of native build tools like Xcode, Gradle etc.
• Experience in testing with tools like Jest, Detox, Cypress etc.
• Knowledge about Offline Storage, REST APIs, and document request model.