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I’m ready to roll out a new version of both my mobile app and its companion website, and I need your expertise to make the upgrades smooth and impactful. On the app side, I want a clean, professional-corporate user interface, stronger security from front end to backend, and noticeable performance gains in launch time and resource use. For the website, the focus is on streamlining navigation, putting a more intuitive content-management system in place, and ensuring every page is fully responsive across devices while matching the app’s refreshed look. Deliverables • Redesigned app UI in the agreed corporate style • Documented security hardening for the app (code and server) • Performance optimisation with before-and-after metrics • Reworked site navigation with clear hierarchy • Updated or newly integrated CMS that non-technical staff can use • Responsive web layout consistent with the new app design You’ll receive the current source, design assets, and staging credentials at kickoff. Please keep existing APIs intact—any schema changes must be discussed first. Incremental builds on TestFlight or a staging server, well-commented commits, and regular check-ins will keep us aligned. If you’re comfortable with common mobile stacks (Swift, Kotlin, Flutter, React Native) and modern web frameworks (React, Vue, WordPress, headless CMS), let me know your preferred toolset and timeline so we can get started right away.
Project ID: 40626116
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53 freelancers are bidding on average ₹61,035 INR for this job

Hi, With 19+ years in the industry, our team at IT Flex Solutions India is both qualified and eager to transform your web and mobile applications. Our range of experience covers a wide range of development services, including WordPress Development, React Native App Development, Flutter App Development, and Swift iOS App Development - all of which align with your preferred stacks for this project. As you strive for a clean and professional user interface, updated security measures, and improved performance for your app and its companion website; our skills in Kotlin, React Native, Swift lend perfectly to bring these enhancements to life. Moreover, your requirement for a streamlined navigation system and a more intuitive content-management system resonates with our expertise in Vue JS that enables creation of flexible frontend solutions. Another crucial aspect we understand is the necessity to keep common APIs intact, which aligns with our approach of thorough discussions on any potential schema changes beforehand to ensure complete understanding. We also emphasize transparent communication throughout the project duration via incremental builds on TestFlight or staging servers and well-commented commits essential to keeping everyone aligned. Thanks, SBM
₹55,000 INR in 28 days
9.1
9.1

Hello, I’m interested in helping you upgrade both your mobile app and companion website with a focus on modern UI, stronger security, improved performance, and a smoother user experience. I have experience working on mobile and web platforms, including UI modernization, performance optimization, API-based integrations, responsive web development, and CMS improvements. For this project, I can provide: • A refreshed professional corporate UI for the mobile app with improved usability and consistency • Frontend and backend security improvements, including code review, authentication checks, data protection practices, and server-side hardening recommendations • Performance optimization with analysis of loading times, resource usage, and measurable improvements • A redesigned website structure with clearer navigation and improved user journeys • A user-friendly CMS setup that allows non-technical teams to manage content easily • Fully responsive website layouts aligned with the updated app branding My preferred approach is to first audit the current application, codebase, APIs, and website structure, then create an upgrade roadmap that minimizes risk while delivering visible improvements quickly. I’m comfortable working with modern mobile and web technologies including Flutter, React Native, Swift, Kotlin, React, WordPress, and headless CMS solutions depending on the existing architecture and project requirements. Best regards, RAHEEL
₹56,250 INR in 7 days
8.1
8.1

Hello, I'd love to help modernize both your mobile application and companion website, delivering a faster, more secure, and professional experience while preserving your existing APIs. For the mobile app, I'll redesign the UI with a clean corporate aesthetic, improve navigation, optimize performance, strengthen frontend and backend security, and provide measurable before-and-after performance metrics. Whether your app is built with Flutter, React Native, Swift, or Kotlin, I'll follow platform best practices to ensure scalability and maintainability. For the website, I'll streamline navigation, implement or upgrade to an intuitive CMS (WordPress, Headless CMS, or another suitable solution), ensure full responsiveness across all devices, and align the visual identity with the refreshed app. Deliverables: Modern corporate UI for the mobile app Security hardening and documentation Performance optimization with benchmark reports Improved website navigation and responsive design CMS implementation with easy content management Clean, well-documented code and deployment support I work with milestone-based development, provide regular TestFlight/staging builds, well-documented Git commits, and maintain close communication throughout the project. Regards, Mohit
₹74,000 INR in 35 days
6.5
6.5

I’ve upgraded apps and companion sites with similar goals: cleaner UI, stronger security, and faster performance. For your app, I’ll focus on a polished corporate look that feels natural to users, while hardening security on both front and backend without changing your APIs. I’ll measure launch times and resource use before and after to prove the gains. On the website, I’ll simplify navigation with a clear hierarchy and integrate a CMS that’s easy for your team to update. I’ll ensure responsiveness on all devices and match your refreshed app style for a consistent brand feel. Will you be open to using React for the web enhancements and React Native or Flutter for the app, depending on your current stack? Also, do you have any specific security concerns or compliance needs I should prioritize? I’ll provide incremental updates on TestFlight and staging with well-commented commits. Ready to dive in as soon as you share the source and assets.
₹37,500 INR in 7 days
6.0
6.0

With over half of a decade in the industry, I have continuously showcased my skillfulness in both frontend and backend development. I am able to proficiently navigate through languages such as Swift, Kotlin, Flutter, React Native and website frameworks like React, Vue, WordPress on top being well-versed in mobile stacks like Swift, Kotlin Flutter and an array of other modern web frameworks. Personally, your project emphasizes my proficiency and experience especially in UI/UX-friendly development, API integration and database management. In addition, my overall experience will be a great help for the security hardening you are requesting for this project. Not only do I ensure highly secure environments from front-end to back-end as per your requirements but also maintain thorough documentation to ensure ongoing security measures long after rollout. Moreover, my capacity to optimize performance and achieve incredible speed enhancements is clearly demonstrated by the "before-and-after" metrics I provide ensuring a robust and efficient application.
₹56,250 INR in 7 days
5.8
5.8

App and website upgraded together, sharing a visual language, with security and performance treated as deliverables rather than afterthoughts — that is a coherent brief, and the before/after metrics requirement is the part I like most, because it makes the result checkable. How I would run it: - Measure first. Launch time, memory, bundle size, page load captured on the current build, so the after numbers mean something. - Security hardening reviewed across both ends: authentication and session handling, API authorisation, dependency audit, transport and storage. Delivered as a written document of what was found, what was changed, and what remains accepted risk. - App UI reworked to the corporate style, with the website navigation and layout matched to it, fully responsive. - CMS chosen for whoever actually maintains it — the test is whether a non-technical colleague can publish without asking anyone, not whether it has the longest feature list. Proof: I run eighteen services in production for one client, including a B2B platform, a delivery PWA and warehouse tooling, plus cross-platform apps in React Native. Working inside an existing codebase with staging access is my normal mode. Questions: what stack are the app and site built on today, and is the CMS replacing something specific or being introduced for the first time? Martin
₹49,000 INR in 10 days
5.7
5.7

Hi, I can help modernize both your mobile app and website while keeping your existing APIs intact. My expertise is in **Flutter** and **React Native**, and I focus on building clean, professional UIs, improving app performance, strengthening security, and delivering responsive web experiences. I'll redesign the app with a corporate look, optimize startup speed and resource usage, streamline the website navigation, and integrate a user-friendly CMS that your team can easily manage. You'll receive clean, well-documented code, regular progress updates, and incremental builds throughout development. **Preferred Stack:** Flutter (preferred) or React Native, with React or WordPress for the website. I'd be happy to review your current codebase and discuss the best approach. Looking forward to working with you! Best regards, Abhishek
₹56,250 INR in 7 days
5.7
5.7

Hi, this is Daniel from Oregon I see you need to upgrade both a mobile app and companion website with a professional corporate UI, stronger end-to-end security, performance optimization, improved navigation, CMS improvements, and a responsive experience while keeping existing APIs stable. I recommend improving the application through a structured audit first, focusing on security vulnerabilities, performance bottlenecks, API compatibility, and reusable design systems so the refreshed app and website remain scalable and easy to maintain. We can help deliver a polished mobile and web upgrade with clean code, documented improvements, and reliable deployment workflows. A few questions: Q1 – What mobile framework is the current app built with? Q2 – Are you planning to keep the existing backend APIs unchanged? Q3 – Which areas currently have the biggest performance or security concerns? Looking forward to achieving great results with you.
₹56,250 INR in 5 days
5.1
5.1

Hosur, India
Member since Sep 29, 2021
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