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We have the version 1 of the app here → [login to view URL] This contract is about taking version 1 code base and build version 2. Version 2 design of the app can be found here → [login to view URL] Version 2 is not only design change but also engineering and feature changes. From a performance standpoint version 1 its slow - clunky - buggy - does not look anywhere close to top performers like Lucidchart or Miro - We want our version 2 tool also to match the popular tools from a performance standpoint. We want to the tool to work on even a low configuration windows laptop. We want our whiteboard to be exported and imported using our own propriety format. We want our screenshot to be exported and imported using our own propriety format. Similar to how word doc can be saved and reopened and edited we want the same feature.
Project ID: 40420458
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181 freelancers are bidding on average $170 USD for this job

⭐⭐⭐⭐⭐ Create Version 2 of Your App for Better Performance and Features ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking to build version 2 of your app from the existing code base. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects in app development. I will enhance the design and functionality to ensure it performs well and meets user expectations. ➡️ Why Me? I can easily build your app version 2 as I have 5 years of experience in app development, focusing on performance optimization, feature enhancement, and user-friendly design. My expertise includes coding, debugging, and implementing efficient solutions. Not only this, but I also have a strong grip on modern frameworks and technologies, ensuring a smooth transition from version 1 to version 2. ➡️ Let's have a quick chat to discuss your project details. I can provide samples of my previous work to show how I can bring your vision to life. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ App Development ✅ Performance Optimization ✅ UI/UX Design ✅ Debugging ✅ Feature Implementation ✅ Cross-Platform Compatibility ✅ Data Management ✅ Version Control ✅ API Integration ✅ Quality Assurance ✅ User Testing ✅ Technical Documentation Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.7
7.7

Hi I can help take your existing version 1 codebase and rebuild it into a faster, cleaner version 2 that matches the new Figma design and improves the overall engineering quality. The main technical challenge is not only updating the UI, but fixing the slow, clunky whiteboard experience so it performs smoothly even on low-configuration Windows laptops. I can review the current architecture, identify performance bottlenecks, optimize rendering, improve state management, reduce unnecessary re-renders, and clean up buggy interaction flows. I can also implement the new version 2 design with a more polished experience closer to tools like Miro or Lucidchart. For the proprietary save/open feature, I can design a structured import/export format for both whiteboards and screenshots so users can save, reopen, and continue editing their work later. I can work on canvas/whiteboard logic, file serialization, custom data formats, frontend performance, UI implementation, and reliable export/import workflows. My focus will be making version 2 feel stable, fast, modern, and ready for real users, not just visually updated. Thanks, Hercules
$140 USD in 7 days
7.0
7.0

Hello Hi there, I see you're looking for someone to take your app's version 1 to the next level. With 5+ years of full-stack development experience, I specialize in refining existing applications and building robust, scalable solutions that drive user engagement. I'm confident I can help you achieve your goals for version 2. Let's schedule a quick chat to discuss how I can contribute. Giáp Văn Hưng
$250 USD in 7 days
6.6
6.6

I HAVE REBUILT WHITEBOARD/DIAGRAM TOOLS TO MATCH MIRO-LEVEL PERFORMANCE — OPTIMIZING CANVAS RENDERING, STATE MANAGEMENT, AND FILE SYSTEMS FOR SMOOTH LOW-END DEVICE USAGE. I can take your v1 codebase and transform it into a fast, stable, and production-ready v2 aligned with your Figma design and performance goals. My approach focuses on **performance-first engineering**: migrating to an optimized canvas architecture (Canvas/WebGL where needed), efficient state handling (virtualization, memoization), and reducing re-renders to ensure smooth interaction even on low-spec Windows devices. Core features I’ll deliver: • Refactored frontend for speed, responsiveness, and clean UX • Stable whiteboard engine with drag/drop, zoom, pan, and real-time updates • Proprietary file format design for **save/load/edit workflows** (like .doc files) • Export/import for both whiteboards and screenshots • Backend/API improvements for reliability and scalability File system: I’ll design a structured JSON/binary hybrid format with versioning support so files remain backward-compatible as your product evolves. User roles: Admin (system control), Users (create/edit boards), Team/Collaborators (optional sharing in next phase). Deliverables: upgraded v2 app, optimized codebase, file format system, documentation, and deployment support. You’ll receive full source code and **2 years of free ongoing support post-launch**. Let’s turn this into a fast, Miro-level experience users love.
$140 USD in 7 days
7.0
7.0

Hi, I can take your v1 codebase and rebuild it into a fast, scalable v2 that performs closer to tools like Miro or Lucidchart while staying smooth even on low spec machines. I’ve worked on performance heavy web apps where canvas rendering, state management, and responsiveness are critical. My approach is to refactor the frontend using React with a focus on rendering efficiency, likely leveraging canvas based rendering or optimized DOM layering depending on your current setup. I’ll reduce bottlenecks by improving state handling, introducing virtualization where needed, and optimizing event handling to eliminate lag and clunky interactions. For your proprietary format, I’ll design a structured schema for both whiteboards and screenshots, enabling save, load, and edit workflows similar to document based tools. This will include versioning support so future updates remain compatible. I’ll align the UI with your Figma design while ensuring performance is not compromised, and clean up the architecture for long term scalability. Best, Justin
$140 USD in 7 days
6.6
6.6

Hello, I checked your current version and the Figma for version 2, and I can help turn your whiteboard into a much smoother and more reliable tool similar to top performers. I can work with the existing codebase and upgrade both design and engineering so it runs fast even on low‑end laptops. I have experience building responsive React interfaces and handling custom import/export formats, so creating your proprietary whiteboard and screenshot formats won’t be a problem. I can keep the experience simple, stable, and closer to Miro-level usability. Thanks, Teo
$200 USD in 2 days
6.6
6.6

Drawing upon our vast experience of over 248 successful projects, I am confident my team at Einnovention is the right partner to revolutionize your whiteboard application. With your vision for Version 2, we will not just change the design, but also enhance its performance and stability, turning it into a version that truly rivals top performers like Lucidchart or Miro. Our web development expertise in JavaScript and Software Development empowers us to push any application to top-notch functionality and user experience. Additionally, with an increased emphasis on compatibility, we can make your application work seamlessly across low-configuration Windows laptops and make sure the screenshots can be exported and imported using your proprietary format for enhanced convenience. Upholding full client satisfaction is at the core of our business, which is why we offer unlimited revisions until you are fully content. Furthermore, our free support for over two weeks after delivery ensures any post-development issues are promptly resolved. Most importantly, what sets us apart is our proven commitment to transparent communication, meeting clear milestones, and reliable delivery. As a client-centric organization, we value long-term partnerships and thrive on turning ideas into working solutions that exceed expectations. Give us this opportunity to make your whiteboard application the best version it could be - economical yet effective!
$140 USD in 7 days
6.5
6.5

Hi I can help rebuild your app into a faster, smoother V2 with improved architecture, optimized whiteboard performance, and a cleaner UX closer to tools like Miro and Lucidchart. I’ll focus on reducing lag, improving rendering on lower-spec devices, and implementing reliable import/export support using your own proprietary file format. Happy to review the current codebase and discuss the best performance-focused approach for V2. Many thanks
$250 USD in 7 days
6.5
6.5

Hello, I went through your current Version 1 and the Figma for Version 2, and it’s clear this isn’t just a UI refresh but a full performance-focused rebuild to bring the tool closer to the responsiveness of Miro and Lucidchart. I’ve delivered similar upgrades before, including refactoring a collaborative canvas tool where I cut load times by 60% and implemented a custom JSON-based document format for import/export. The real challenge here is managing rendering efficiency, especially on low‑spec Windows machines, while supporting complex interactions. Most performance issues come from how the canvas reconciles movement, selection, and history. Fixing this requires restructuring how objects render, cache, and update rather than layering patches onto the existing logic. I’ll evaluate the current codebase, rebuild critical rendering workflows in React with lightweight state isolation, and design the proprietary export/import format so whiteboards and screenshots behave like re-openable documents. I’ll also align the interface to your Figma design and ensure compatibility across devices. Before starting, I need clarity on your preferred storage model and whether real-time collaboration is in scope. Best regards, John allen.
$155 USD in 1 day
5.6
5.6

Hi there, We’ve developed a collaborative whiteboard app called Descripio, where users can create, edit, and share whiteboards with AI-generated insights. We also built a Chrome extension to capture screenshots and convert them into editable whiteboard content. For your project, we can leverage our experience with real-time collaborative features, performance optimization, and responsive design to deliver a product that matches or exceeds the performance of established tools like Miro and FigJam. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$154 USD in 7 days
6.0
6.0

Dear Client, I’m a full-stack and performance-focused developer with 10+ years of experience, including real-time collaborative whiteboard tools and canvas optimization. I understand you need to rebuild Version 2 of your screenshot/whiteboard app from existing code. You require Miro-like performance on low-end Windows laptops, proprietary save/import/export formats, and full editability like Word documents. My skills in canvas rendering optimization (WebGL, requestAnimationFrame), React, TypeScript, and custom file serialization ensure smooth interaction and bug-free engineering. Feel free to share Version 1 code access and Figma permissions. I’ll audit current bottlenecks first, then deliver a fast, scalable Version 2. Looking forward to hearing from you. Best regards, Toriqul Global Solutions
$80 USD in 3 days
5.8
5.8

Hi, I saw your plan for pushing version 1 of the whiteboard into a faster, stronger version 2. The current issues with speed, bugs, and overall feel are clear, and the new Figma layout shows where you want the app to go. I’ve built several React-based tools that needed real‑time drawing, custom formats, and solid performance on weak hardware. Here’s how I’d approach it: • Rework rendering to remove bottlenecks • Add a whiteboard and screenshot format that can save, load, and edit cleanly • Align UI and flow with your Figma file • Harden the code so it feels closer to Miro/Lucidchart I can start right away and version 2 should take a few weeks depending on how deep the new features go. Do you already have constraints in mind for the custom file format, such as size limits or required object structure? Greetings, Slavko
$200 USD in 1 day
5.2
5.2

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have previously developed collaborative whiteboard applications with seamless real-time editing and proprietary file format support that worked smoothly on various hardware. The most important part to successfully complete this project is optimizing performance to ensure the app runs fast and reliably even on low-end Windows laptops. Approach: ⭕ I will thoroughly analyze your version 1 code and identify bottlenecks. ⭕ Implement the version 2 UI exactly as per your Figma design using React.js. ⭕ Rebuild the architecture and frontend logic for smooth, lag-free interactions. ⭕ Develop proprietary export/import formats for whiteboard and screenshot data. ⭕ Conduct rigorous testing for performance and bug fixes to match top tools like Miro. ❓ Could you please clarify what technologies or frameworks are used in the current backend, and if any existing backend code is to be reused? I am confident I can deliver a high-performance, user-friendly next-gen whiteboard app that exceeds your expectations. Looking forward to collaborating! Warm regards, Nam
$200 USD in 3 days
5.4
5.4

Hello, I came across your Develop Next-Gen Whiteboard Application and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in JavaScript, Software Development, React.js, UI / User Interface, Web Development, Backend Development, Frontend Development, Figma, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$140 USD in 2 days
5.4
5.4

Hi, I will rebuild version 1 into a high performance version 2 whiteboard app with fast canvas, import export and smooth UX. I reviewed your app and the v2 design focus. Current issue is speed and stability versus tools like Miro and Lucidchart. I will refactor the canvas engine for low spec devices, reduce memory load, and build a proprietary save format so boards can be saved and reopened like documents with reliable import export. Do you need version 1 file compatibility or can we redefine the format completely? Best Regards, Fizza Nadeem K
$90 USD in 4 days
5.2
5.2

Hi there, I’ve gone through your current Version 1 and the Figma for Version 2, and it’s clear this is not just a redesign but a full product upgrade in terms of performance, structure, and overall user experience. I understand the main pain point right now is performance—slow, clunky behaviour and a gap compared to tools like Miro or Lucidchart—so the focus of V2 is not only visuals but a complete engineering-level improvement. My approach will be to first review the current V1 architecture and identify what is causing performance bottlenecks, then rebuild or refactor the core rendering and state management so the whiteboard runs smoothly even on low-end machines. After that, I’ll align the UI with your V2 Figma design and ensure everything feels modern, fast, and stable. For the key feature, I’ll implement a proper save/load system using your proprietary format so both whiteboard data and screenshots can be exported, imported, and reopened exactly like a document workflow (similar to how Word files work). I would request to connect on a quick chat so we can review the current setup and plan the upgrade properly. Thanks, Rahul A.
$120 USD in 7 days
6.1
6.1

Hello, With extensive experience in React.js, web development, and UI design, I am well-equipped to elevate your whiteboard application from version 1 to a highly performant, user-focused version 2. I will ensure the new app not only incorporates the detailed design specifications from Figma but also significantly improves on speed, stability, and usability, matching top competitors like Miro. My approach includes optimizing code for low-end hardware, developing proprietary import/export formats for seamless user experience, and integrating robust backend solutions. What are the most critical features you want prioritized for the initial release of version 2? Thanks, Juan Aponte
$180 USD in 2 days
5.4
5.4

✋ Hi There!!! ✋ The Goal of the project:- Upgrade version 1 into a high-performance, scalable whiteboard app with modern UI and advanced features. I carefully read your details and understand you need a complete rebuild of version 2 with improved performance, smooth UX, and new features like proprietary file handling similar to tools like Miro. I am the right fit because I specialize in optimizing complex apps for speed, stability, and scalability. • React based frontend upgrade with optimized performance for low-end systems • Custom import export system for whiteboard and screenshot proprietary formats • Clean UI implementation from Figma with smooth interactions and bug-free experience I also provide UI design alignment, database management, testing, and full source code delivery. With 9+ years experience as a full stack developer, I have built similar interactive web apps and whiteboard tools. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$30 USD in 11 days
5.3
5.3

Greetings, I see you're looking to enhance your whiteboard application from version 1 to version 2, focusing on both design and performance improvements. It’s crucial for the app to not only look great but also operate smoothly, even on lower-spec devices. My approach would involve refining the existing codebase to boost performance, ensuring a seamless user experience similar to top tools like Lucidchart and Miro. Utilizing my skills in JavaScript, React.js, and backend development, I can implement the new features you've outlined, including the proprietary export/import formats. This will provide users with the flexibility they expect when working with their documents. With a strong emphasis on user interface design from your Figma layout, I can help transform your vision into a functional and efficient application. Best regards, Muhammad Arshman
$150 USD in 4 days
4.6
4.6

Hi there, I’ve reviewed your project details for “Develop Next-Gen Whiteboard Application” and found it quite interesting. I’d love to have a quick chat to discuss the project requirements and see how I can help. I’m available right now if that works for you. I bring 10+ years of experience working with PHP and modern web technologies, including Laravel, WordPress, WooCommerce, CakePHP, CodeIgniter, Magento, Shopify, along with Bootstrap, HTML, CSS, JavaScript, jQuery, Angular, and MySQL. I also have hands-on experience with design tools like Adobe Photoshop, Illustrator, and CorelDRAW, which helps in delivering well-rounded solutions. Looking forward to your response. Best regards, Muhammad Atif
$40 USD in 1 day
4.8
4.8

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