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Seeking Experienced React Native Developer for Performance Optimization and Refactoring - 26/12/2023 11:21 EST

€30-250 EUR

Closed
Posted 5 months ago

€30-250 EUR

Paid on delivery
We are looking for a seasoned React Native developer with a strong background in performance optimization and code refactoring to upgrade and enhance our existing mobile application. Our app is currently built with React Native version 0.69.3 and requires a series of improvements to ensure a seamless and efficient user experience. Primary Objectives: 1- React Native Upgrade: Update the app from React Native version 0.69.3 to 0.72, ensuring compatibility and stability throughout the app. 2- Performance Optimization: Address the slow navigation issues between tab screens, with a particular focus on enhancing performance on Android devices. 3- Component Efficiency: Reduce unnecessary component reloads, especially in scenarios like opening a comment modal in the feed screen, to improve app responsiveness and reduce lag. 4- Code Refactoring: Undertake a comprehensive code review to identify and eliminate code duplications. Implement a more modular approach using components to streamline the codebase. 5- API Call Management: Standardize API call methods by defining utility functions. Transition from a mix of fetch and axios to a consistent approach, reducing code duplication and enhancing maintainability. 6- Multi-Language Support: Fix bugs related to the multi-language library, ensuring the app consistently displays the correct language selection.
Project ID: 37585487

About the project

18 proposals
Remote project
Active 3 mos ago

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18 freelancers are bidding on average €191 EUR for this job
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Hi There! *** NDA & IP AGREEMENT SIGNED *** You are looking for a seasoned React Native developer with a strong background in performance optimization and code refactoring to upgrade and enhance our existing mobile application, send me a message for more discussion I got 7+ years of experience in developing apps for startups and have good proven track records and excellent clients reviews, I have also good skills in React Native, Flutter, Swift, SWIFT-UI, Xcode, Android studio, Java, Firebase Analytics,Agora, Jitsi, Twilio, Jira, Firebase database, React.Js, Kotlin, IONIC, Objective C programming, AWS, Parse, Crypto Currency, Corodova, Back-end panel in (PHP, MySQL) and Rest APIs development. Please open chat window so i can share some samples of my previous work to get more confidence on my work and hire me ongoing basis. I have worked on so many projects like Real Estate App, Grocery App, Classifieds App, Instagram Clone app, Taxi app, Delivery App, food delivery, Inventory Management App, Reward App, Social Media App, On-demand Services provider App, Nutrition App, school management, Pos, E-commerce, Event booking, etc. I am fully dedicated to doing my work very efficient and less time-consuming. "Looking forward to your positive response please open your chat window to more details" Thanks. regard, Christina
€140 EUR in 7 days
4.9 (86 reviews)
7.5
7.5
User Avatar
Hi there, I’ve read your project requirements and find myself the best fit for it. I’m working on React Native for 5+ years and have developed and deployed several enterprise applications. From the upgrade to API integrations using redux architecture to fixing bugs to deployment, I can handle everything single handedly. Let’s get connected and discuss the project. Thanks
€70 EUR in 1 day
5.0 (9 reviews)
4.3
4.3
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Hello, Greetings of the Day!! Yes, I will surely help you and I am ready to work on this project. I already worked on a similar project and will perform the following tasks perfectly. * Can we have a quick chat, so that we can discuss further details and I can show you my previous/recent work ? * I have full-time and required skills to carry out your project with high quality on time. My expertise is well-matched with your requirements. I am working on UI/UX design/development, Frontend development, Backend development, Database development, API Integration/Development, CMS/CRM development, E-Commerce development, Server development, Flutter/React native app development, SEO/Digital Marketing Expert, AI/ChatGPT, All payment gateways integration/setup. Let's get in touch via chat, Waiting for your positive response. Rekha Thakur
€250 EUR in 5 days
4.7 (5 reviews)
3.5
3.5
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Hello there! My name is Malik Hamid and I'm a senior software engineer with 6+ years of experience. I specialize in Android Native development, utilising Kotlin and Java to create high-performing and user-friendly mobile applications. I understand that you are seeking an experienced React Native developer with a strong background in performance optimization and code refactoring to upgrade and enhance your existing mobile application. As someone who has worked on a wide variety of projects throughout my career, I am confident that I can meet this challenge head on. My approach to software development is rooted in collaboration and communication. I believe that the best results are achieved when all stakeholders are working together towards a common goal. Additionally, I am a strong communicator who is comfortable working with cross-functional teams and stakeholders at all levels of an organization. I believe that I would be the perfect fit for this project due to my expertise in Android Native, React Native, as well as Java Spring. With this combination of skills and knowledge, I am confident that I can deliver the necessary performance optimizations and code refactoring required to improve your app's responsiveness and reduce lag.
€340 EUR in 7 days
5.0 (1 review)
0.2
0.2
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Hello there! I understand your project requirements. I am confident that I can provide the best solution for your needs. I am a senior web and mobile app engineer with extensive experience in programming languages like PHP/LARAVEL/CODEIGNITER/CAKEPHP, PYTHON/DJANGO/FLASK, GRAPHQL, HTML5, JavaScript, Bootstrap, T-SQL and MySQL. I have worked on a variety of projects including web design & development, Android app development (Swift 5/4/3/2), React Native, Angular JS/Vue JS(advanced user), Node JS(advanced user) and more. Please let me know if you would like me to discuss further or if you have any other questions? Thank you for your consideration! Best regards, Shikha
€250 EUR in 5 days
0.0 (0 reviews)
0.0
0.0
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Dear Hiring Manager, I am writing to express my keen interest in the React Native developer position at your esteemed organization. With a strong background in performance optimization and code refactoring, I bring a wealth of experience to enhance and upgrade your existing mobile application. Having worked extensively with React Native, I am confident in my ability to implement the necessary improvements for a seamless and efficient user experience. I am excited about the opportunity to contribute my skills and expertise to elevate your app to new heights. Sincerely, Tanish JAlap
€400 EUR in 10 days
5.0 (1 review)
0.0
0.0
User Avatar
Hi There, I am excited to offer my expertise as a seasoned React Native developer to elevate your existing mobile application. With a focus on React Native version 0.72 upgrade, performance optimization, and code refactoring, I am committed to ensuring a seamless and efficient user experience. Primary Objectives: React Native Upgrade: I will meticulously upgrade your app from version 0.69.3 to 0.72, ensuring compatibility and stability across all features. Performance Optimization: Addressing slow navigation on Android, I will enhance performance, focusing on fluid transitions between tab screens. Component Efficiency: By minimizing unnecessary component reloads, especially in scenarios like opening comment modals, I'll significantly improve app responsiveness and reduce lag. Code Refactoring: Conducting a comprehensive code review, I will eliminate duplications and implement a modular approach, streamlining the codebase for enhanced maintainability. API Call Management: Standardizing API call methods and transitioning to a consistent approach will reduce duplication and improve code maintainability. Multi-Language Support: I will fix bugs in the multi-language library, ensuring seamless language selection throughout the app. Let's collaborate to transform your app into a high-performing and user-friendly platform. I look forward to discussing further details and delivering exceptional results.
€140 EUR in 7 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Hi I have few questions about the project Is it written in javascript or typescript? What is the primary function of the application (based on this i can analyze the packages might be involved)? Is it having a realtime data fetching and connections?
€30 EUR in 7 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of FRANCE
achère, France
5.0
1
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Member since Mar 10, 2019

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