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Part-Time React Native / Full-Stack Developer – Ongoing Maintenance & Development Responsibilities Maintain existing React Native iOS and Android applications Fix bugs and troubleshoot production issues Develop new mobile app features Maintain and enhance existing web applications Work with existing APIs/backend services Integrate third-party APIs and services Handle App Store / Google Play updates and releases Improve app performance, security, and reliability Review and improve existing code Work with GitHub and existing CI/CD processes Write basic technical documentation Test changes before production deployment Provide recommendations for future improvements Must have: Strong JavaScript/TypeScript Experience with iOS and Android deployment REST API integration Git/GitHub Experience maintaining an existing codebase—not just building new apps React.js/web development experience Ability to troubleshoot independently Nice to have: Node.js / .NET API experience SQL/database experience Firebase Push notifications Authentication CI/CD App Store Connect Google Play Console AWS/Azure Experience working with small startups
Project ID: 40689241
291 proposals
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Hello Sir/Ma’am, I can provide reliable part-time support for your React Native iOS/Android apps and web applications, including maintenance, new features and production troubleshooting. I have 12+ years of experience with React Native, React.js, JavaScript/TypeScript, Node.js, REST APIs, Firebase, SQL, GitHub and mobile deployments. I can handle: • Bug fixing and existing codebase maintenance • New features and third-party API integrations • Performance, security and reliability improvements • Push notifications and authentication • App Store / Google Play releases • CI/CD and GitHub workflows • Backend/API and database support • Testing, code reviews and documentation I work independently and personally handle the development, with clear communication and dependable ongoing support. I’m interested in a long-term collaboration and can align with your preferred part-time schedule. Best regards, Pulkit J.
$3 USD in 40 days
5.7
5.7
291 freelancers are bidding on average $10 USD/hour for this job

Hello, I read your requirements carefully and understand that you need a part-time React Native/full-stack developer for ongoing maintenance, bug fixing, feature development, API integrations, performance improvements, and iOS/Android releases. I have 10+ years of experience in the required technologies, including React Native, React.js, JavaScript/TypeScript, REST APIs, Git/GitHub, Node.js, SQL, Firebase, authentication, push notifications, and CI/CD. I am comfortable working with existing codebases, troubleshooting production issues independently, and handling App Store and Google Play deployments. We will work with Agile methodology, maintain clean and reliable code, test changes before production, and document important updates. I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, and will assist you from zero to publishing on the App Store and Google Play. I can start immediately and support the project on an ongoing basis. I eagerly await your positive response. Thanks
$5 USD in 40 days
8.4
8.4

Hi, I have been working on several ReactNative apps, also deployed backend on AWS and azure, for azure i did IoT based projects, Lets discuss
$8 USD in 40 days
8.2
8.2

Hello, I’d be happy to support your team as a part-time React Native / Full-Stack Developer. I have strong experience maintaining existing React Native iOS/Android apps, fixing production bugs, adding features, integrating REST/third-party APIs, and improving performance. My expertise includes React Native, React.js, TypeScript, Node.js, Firebase, SQL, Git/GitHub, CI/CD, authentication, push notifications, App Store Connect, Google Play, AWS/Azure, and API integrations. I’m comfortable working independently with startup teams and can quickly understand existing codebases, troubleshoot issues, manage releases, and recommend practical improvements. Looking forward to your reply so we can jump on a quick call and get started! Best, Niral
$15 USD in 40 days
7.9
7.9

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in AngularJS, Mobile App Development, React Native, NoSQL Couch & Mongo, REST API, Full Stack Development, Node.js As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
$8 USD in 40 days
8.4
8.4

1) What is the current architecture of the existing applications, and are there any specific areas where you anticipate the need for significant refactoring or improvements? 2) Can you provide details on the existing CI/CD pipeline, particularly any tools or processes currently in place for automated testing and deployment? 3) Are there any specific third-party APIs you plan to integrate, and do you have existing documentation or endpoints available for those services? I can commit to providing feedback and iterations within 12 to 24 hours. If you have a specific review cadence in mind, I can also provide small incremental updates to maintain progress. As a first deliverable, I can provide an initial assessment report of the existing codebase and a prioritized list of bugs and features to address within 3 days. Feel free to message me to discuss the project further and get started. Looking forward to collaborating! Rajavel
$8 USD in 10 days
7.2
7.2

Hi Valuable Client, Greetings from CnEl India! We bring deep expertise in maintaining, scaling, and optimizing production React Native (iOS/Android) apps and full-stack web platforms with a disciplined maintenance-first approach. Our Maintenance & Development Methodology Codebase Onboarding & Health Audit: We perform an initial review of your Git repository, dependencies, and backend API contracts to establish a clean development baseline and identify critical fixes. Agile Issue Resolution & Feature Engineering: Using structured GitHub branching and CI/CD pipelines, we tackle production bug fixes, implement new mobile/web features in React Native/React.js, and integrate REST APIs cleanly. Store Management & Deployment: We handle seamless build signing, version tagging, and release management across App Store Connect and Google Play Console. Performance & Security Upgrades: Ongoing refactoring, memory leak optimization, push notification tuning, and comprehensive testing before production deployment. Timeline: Immediate Availability Rate: Within your $2.00 – $8.00 USD/hr budget Let's connect to review your repository and start onboarding! Best regards, CnEl India Team
$10 USD in 80 days
6.9
6.9

Hello, With over 15 years of experience solving complex development problems, I'm confident that my skills perfectly align with your project's needs. Having had ample experience maintaining existing codebases while implementing new features, I understand the importance of working with precision and detail-orientedness as a full-stack developer. Not only proficient in React Native, but also versed in React.js and Node.js, I bring added Superpowers to the table by efficiently managing APIs and backend services. I am equally comfortable with Google Play Console and App Store Connect, making your app updates and releases seamless. My previous work led me to establish strong collaborative relationships with leading global players such as AWS and Azure which equips me to handle scaling your applications, optimizing performance and ensuring security. Most importantly, I believe in providing long-term support for my clients - from writing clean maintainable code to delivering on time to aligning the future goals with current solutions. Ready to offer instant troubleshooting and being proactive with recommendations for improvement. Collaborating with A4Logic has always been an investment that pays off in terms of top-notch quality, client satisfaction, and professional growth. Thanks!
$30 USD in 38 days
6.7
6.7

Hi there, Hope you are doing well I’d be happy to support your React Native / Full-Stack development and ongoing maintenance needs. I have experience working with existing codebases, troubleshooting production issues, integrating APIs, improving performance, and delivering reliable updates for both mobile and web applications. What I Can Handle React Native iOS & Android maintenance and feature development JavaScript / TypeScript development React.js web application maintenance REST API and third-party API integrations Bug fixing, debugging, and production issue resolution Firebase, authentication, push notifications, and analytics Node.js / backend integration SQL/database-related tasks GitHub, branching, pull requests, and CI/CD workflows App Store Connect and Google Play releases Performance, security, and reliability improvements Code review, refactoring, and technical documentation I understand that maintaining an existing application requires more than simply adding features. I can first understand the current architecture, APIs, dependencies, and business logic, then make changes carefully without introducing regressions. Thanks & Regards Dheeraj K.
$8 USD in 40 days
6.9
6.9

Hello!! Your existing React Native apps need dependable ongoing maintenance across iOS, Android and web, with bug fixing, new features, API integrations, performance improvements and smooth store releases. * Is the current codebase already on GitHub? * Which area needs attention first? * Are the existing APIs and backend fully documented? The solution will begin with a codebase review, then handle bugs and features carefully without disrupting existing functionality. React Native, React, TypeScript, REST APIs, GitHub, CI/CD, authentication, notifications and App Store/Google Play releases will be covered with testing before every production update. Relevant React Native, full-stack, API integration and existing-codebase maintenance projects have been completed with a focus on stability and long-term support. Let us chat and discuss the current app and first priorities. Best regards Farhin B
$6 USD in 40 days
6.8
6.8

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$5 USD in 40 days
6.5
6.5

Hi, I'm Denis, a full-stack developer with experience maintaining and improving React Native and web applications. I understand you need someone who can keep the existing mobile apps and web interfaces running smoothly while adding new features and integrating APIs. The project requires careful maintenance of the current React Native codebase for both iOS and Android, along with updates to the web components. Debugging production issues and optimizing performance will be key. Working with REST APIs and third-party services means I'll focus on reliable data handling and secure integrations. Since the codebase is already established, I'll prioritize understanding its structure before making changes, ensuring stability and maintainability. I recently worked on a similar setup where an existing React Native app required regular updates and API integrations while maintaining a clean codebase. The approach involved incremental improvements, thorough testing, and close collaboration with the backend team to keep everything aligned. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$15 USD in 40 days
6.0
6.0

Hey, This role is less about adding features in isolation and more about safely evolving an existing React Native product without introducing regressions across mobile, web, APIs, and production releases. The key is understanding the current codebase first, then keeping bug fixes, new features, API integrations, store releases, and performance work aligned with the existing architecture and CI/CD workflow. For an ongoing maintenance role, reliable troubleshooting and disciplined release validation matter just as much as implementation speed. GitHub based collaboration, testing before deployment, and clear technical notes can keep the product stable while development continues. How is the current stack structured across React Native, React web, and the backend, and what is the first issue or feature you would want addressed?
$15 USD in 40 days
6.0
6.0

Hi, I can help maintain and continuously improve your existing React Native iOS/Android apps and web applications. I understand this is an ongoing role involving production bug fixing, new feature development, REST API integrations, third-party services, App Store/Google Play releases, performance improvements, GitHub/CI/CD, testing, and code review. I have 10+ years of development experience and can work independently with an existing codebase, troubleshoot issues efficiently, and provide practical recommendations for future improvements. I’m available for part-time ongoing work and can start by reviewing the current codebase and priorities. Thank you Regards, Sai
$10 USD in 50 days
6.0
6.0

Our proficiency in technologies such as JavaScript, TypeScript, Rest API integrating, and Git/GitHub ensures smooth maintenance and development of iOS and Android applications. With a clear understanding of the frustrations of troubleshooting production issues and fixing bugs from my experience in maintaining existing codebases, you can rely on me to enhance the security, performance, and reliability of your apps. In addition to my knowledge in React.js/web development, I also have complementary skills in Node.js/ .NET API which will broaden my scope in working with your existing backend services. My familiarity with SQL databases, Firebase, Push notifications, Authentication and AWS/Azure can provide added value to your project. Furthermore, having worked with various small startups like yours in the past has instilled in me a deep commitment to flexible and timely execution of tasks; making me perfectly suited to be a part of your team. From preserving API integrity to suggesting future improvements, I am tenacious in ensuring every aspect of an application is working at its best. If you want someone who'll not just deliver on short-term responsibilities but continually develop your digital infrastructure, then let's connect today so we can discuss your project further. Let’s make your digital project one that truly makes a difference!
$6 USD in 40 days
6.0
6.0

Hi there, We understand you're looking for a skilled React Native and full-stack developer to handle ongoing maintenance and development of your existing mobile applications, including bug fixes, new feature development, and integration with third-party APIs. With our strong background in JavaScript, TypeScript, and React Native, as well as experience with iOS and Android deployment, we're confident in our ability to maintain and enhance your existing codebase. Our team has worked on similar projects, such as a music voting mobile app built with React Native, React.js, and Node.js, and a furniture store mobile shopping app using Flutter and Node.js. One question: Can you provide more details about the current tech stack and infrastructure of your applications, and what specific improvements or features you're looking to prioritize in the near future? Feel free to message us to discuss the details! — Webbook Studio
$4 USD in 40 days
5.7
5.7

Hi, Maintaining and enhancing existing React Native applications alongside web platforms requires a clear understanding of the current codebase and deployment pipelines. The main technical risk is ensuring reliable app store updates and managing integration points with backend services without introducing regressions. My experience designing scalable backend APIs and orchestrating complex SaaS platforms provides a strong foundation for understanding the full-stack challenges here, though my direct React Native and mobile deployment experience is limited. I typically design systems by separating frontend maintenance from backend service evolution, enabling independent testing and deployment cycles to reduce risk. Early validation of the CI/CD pipeline and app store release processes will be critical. For production readiness, I emphasize robust testing and monitoring to catch integration issues early, which supports stable app performance and smooth updates. I can start by reviewing the existing deployment workflows and API integration points to identify potential bottlenecks or risks. Clifton
$25 USD in 40 days
5.6
5.6

Hi, I can maintain and extend your existing React Native and web applications, including bug fixes, new features and REST API integrations. I’m comfortable working with JavaScript/TypeScript, React, Node.js, Git/GitHub, Firebase and existing production codebases. I can handle testing, performance improvements, third-party integrations and ongoing technical documentation alongside development. I’m available for ongoing part-time work at $8/hour and can begin by reviewing the current codebase and priority issues.
$8 USD in 40 days
5.5
5.5

Hi, I can provide ongoing support for your React Native and full-stack applications. With a solid grasp on both mobile and web technologies, I can jump right in to maintain your existing apps while implementing new features efficiently. Could you clarify how frequently you anticipate needing new features or updates? It would also be helpful to know if there are any specific third-party APIs you're looking to integrate right away. To ensure a smooth transition, I'd start by assessing the existing codebase to identify areas for improvement. From there, I'll prioritize bug fixes and optimize the release process for both the App Store and Google Play. Given the ongoing nature of this work, I estimate around 10-15 hours per week to manage updates and new development effectively. I've worked on similar projects involving React Native and web applications, focusing on performance and stability. If you're ready, we can discuss the specifics further. Best regards, Mohammad
$20 USD in 40 days
5.4
5.4

Hello, I understand you need a reliable part-time React Native / Full-Stack developer to maintain existing iOS and Android apps, fix production issues, develop new features and support your web applications and backend integrations. I have strong experience with React Native, React.js, TypeScript, Node.js, REST APIs, Firebase, SQL, GitHub and third-party API integrations. I can troubleshoot existing codebases, improve performance and security, handle push notifications and authentication, and manage App Store and Google Play releases. I’m comfortable working with existing CI/CD workflows and startup environments, providing tested fixes, clear communication and practical recommendations for future improvements. I can review your current codebase and start with the highest-priority bugs or features. Thanks Invoke
$5 USD in 40 days
5.7
5.7

With more than a decade of experience building scalable web applications, I am confident in my ability to fulfill the responsibilities outlined in your project description. I have a strong grasp of JavaScript and TypeScript along with extensive React.js and React Native proficiency- perfect for tackling maintenance, troubleshooting, and the development of new features. What sets me apart is my expertise not just in creating new code, but in maintaining and enhancing existing ones. Additionally, my iOS and Android deployment knowledge ensures I can handle App Store and Google Play updates effectively to save you time and hassle. My proficiency extends beyond app development- I am well versed in REST API integration, Git/GitHub usage, and utilizing third-party APIs. Furthermore, my experience with Node.js and .NET APIs makes integrating these technologies into your pre-existing backend services smooth-sailing. As a detail-oriented individual, I pay keen attention to every aspect of development including testing changes before production deployment ensuring minimal disruptions. I must also emphasize that I have worked extensively as a freelancer with various startups over the years. These experiences have honed my problem-solving and troubleshooting skills as well as taught me the value of clear communication with clients like you. My aim is always on delivering lasting solutions on time while ensuring top-notch performance, scalability, and user experience.
$8 USD in 40 days
5.2
5.2

Richmond, United States
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Member since Mar 18, 2022
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