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I have a complete, authoritative Figma prototype for ConAcc4—our patent-pending, AI-assisted QA/QC accountability platform aimed at construction projects. Every screen, workflow, and interaction is locked, so the task in front of you is pure engineering: turning that design into a production-ready web portal plus companion mobile apps for both iOS and Android. The system divides naturally into two user experiences. Field technicians need a mobile app that lets them execute checklists, capture photos, work offline, and sync once connectivity returns. Owners, contractors, insurers, and other subscribers log in through the web to view live QA/QC status, analytics dashboards, and automatically generated reports. Because of our IP position, all work will be performed under a signed NDA, and ownership of the source code and associated assets remains with me. UI-only or Figma-only specialists will not be considered; I’m looking for a seasoned development team capable of full-stack delivery, CI/CD setup, and post-launch support. Deliverables I expect: • Production-grade web application aligned pixel-perfect to the Figma prototype • Native (or high-performance cross-platform) iOS and Android apps published to TestFlight / internal testing tracks • Secure backend, authentication, and data model that supports offline field work and real-time web updates • Automated test suite, build pipeline, and deployment documentation • Handover package containing source code, infrastructure scripts, and brief technical documentation Show me examples where you have shipped similar multi-platform products, especially in construction tech or compliance workflows, and outline your proposed tech stack and timeline in your bid. Here is a link to the NDA (Non Disclosure Agreement) it has instructions so please follow them. Once signed I will send an RFP for the prototype. Thanks for your interest and look forward to connecting. [login to view URL]
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199 freelancerit tarjoavat keskimäärin $1 951 USD tätä projektia

✨ ConAcc4 — Multi-Platform QA/QC Accountability Platform (Web + Mobile) ✨ Hi, I read your project and completely understood. I will engineer ConAcc4 from your locked, authoritative Figma prototype into a production-ready system—delivering a pixel-perfect web portal for owners, contractors, and insurers, alongside high-performance mobile apps for field technicians with full offline capability and secure sync. The solution will be built with enterprise-grade architecture, CI/CD pipelines, automated testing, and strict IP protection under NDA, ensuring the platform is audit-ready, scalable, and reliable for real-world construction QA/QC workflows. LET’S DO CHAT AND MOVE FORWARD UNDER NDA TO BUILD CONACC4 AT PRODUCTION GRADE. Awaiting for your response. Regards, $hweta
$1 550 USD 20 päivässä
9,3
9,3

Greetings, I understand you are looking for a senior level development team to convert a locked, patent pending Figma prototype into a production ready web portal plus iOS and Android apps, with offline first mobile workflows and real time web reporting. This is a pure engineering engagement with strict NDA, full IP ownership, CI CD, and post launch readiness. A few quick questions to align early. 1, Do you prefer native mobile development or a high performance cross platform approach. 2, Is your backend stack preference open, or do you already lean toward a specific cloud or framework. 3, Do you expect phased delivery, MVP first, or full scope launch in one release. Our team includes full stack engineers experienced in construction tech, compliance platforms, offline sync architectures, secure authentication, and analytics driven dashboards. We handle web, mobile, backend, CI CD, automated testing, and store deployment end to end. Happy to review and sign the NDA and move straight into the RFP. The current bid amount is a placeholder to submit the proposal. Regards Yasir LEADconcept PS: Let me know, if you want to see our team past work to determine our skills/expertise or past customer's references.
$1 750 USD 7 päivässä
8,6
8,6

I have carefully reviewed your ConAcc4 requirements and understand that this engagement is pure engineering—delivering a production-ready web platform and high-performance iOS/Android applications strictly aligned to your locked Figma prototype. With 10+ years of hands-on experience building full-stack, multi-platform systems (including offline-first mobile apps, real-time dashboards, secure backends, and CI/CD pipelines), I am confident in executing this platform to production standards under NDA with full IP ownership retained by you. I will deliver a pixel-perfect web portal, robust mobile apps for field technicians with offline sync, a secure and scalable backend, automated testing, CI/CD, and complete handover documentation. Development will follow AGILE METHODOLOGY, ensuring transparency, predictable milestones, and continuous validation against your prototype. I will support the project end-to-end—from architecture and development to ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I WILL PROVIDE 2 YEAR FREE ONGING SUPPORT AND COMPLETE SOURC CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STOIRES I am experienced with the exact technology stack and compliance-driven workflows you are targeting and can begin immediately upon NDA execution. I eagerly await your positive response. Thanks
$2 000 USD 7 päivässä
8,3
8,3

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 11 + years of proven experience delivering full-stack web and mobile platforms in construction, compliance, and offline-first field operations, and I clearly understand your requirements. The goal is to engineer a scalable, secure, user-centric QA/QC platform that turns a locked Figma prototype into production-ready web and mobile products. Core features -->> offline field checklists & photo capture -->> real-time web dashboards & reports -->> secure auth & role-based access -->> reliable sync & audit trails My approach focuses on clean architecture, secure APIs, efficient offline-sync integration, and an agile, test-driven workflow. I am comfortable working under NDA with full IP ownership retained by you and providing CI/CD, documentation, and post-launch support. I have a few technical and workflow queries to clarify before proceeding further and would be happy to discuss them. Thanks, Julian
$2 500 USD 7 päivässä
8,5
8,5

Hi, My deep understanding of front-end and back-end development combined with my expertise in mobile app development (especially in cross-platform frameworks such as Flutter and React Native) will ensure that your final product is thoroughly engineered and seamlessly integrated across all platforms. With a meticulous focus on pixel-perfect alignment and CI/CD setup, I guarantee a production-grade web application that closely adheres to the Figma prototype. Moreover, my proficiency in API development and integration will enable me to create a secure backend for your platform, supporting both offline field work and real-time web updates—a crucial feature for efficiency in construction projects. I have also successfully applied my skills to create robust databases using SQL, MongoDB, and Firebase, which will be vital for managing the extensive data generated by your QA/QC system. Lets Chat.
$1 600 USD 12 päivässä
6,9
6,9

Hey, I've reviewed your description and you need ConAcc4 built from complete Figma designs - web portal for owners/contractors/insurers, mobile apps for field technicians doing checklists and photos offline, everything syncing when they get connectivity back. I've been building multi-platform construction and compliance apps for about 9 years now. Here's what I'd deliver: Web app matching Figma pixel-perfect - dashboards, analytics, reports, all working smoothly. Mobile apps for iPhone and Android (probably React Native for speed, or native if you prefer) - checklists, photo capture, offline mode with sync. Backend handling auth, data storage, real-time updates between mobile and web. Automated tests, CI/CD pipeline, deployment docs, full source code handover. I've built similar platforms before - field inspection apps with offline capability, construction QA tools, compliance tracking systems with web dashboards and mobile field apps. Tech stack I'd recommend: React for web, React Native for mobile (or Flutter), Node.js backend, PostgreSQL database, AWS or similar for hosting. Timeline: probably 4-6 months for full platform built, tested, published to TestFlight/Play Store internal testing. Happy to sign NDA before seeing the RFP and full prototype. Talk soon.
$4 000 USD 40 päivässä
7,4
7,4

Hello, Project Title: Build ConAcc4 Web & Mobile Project Description: With over a decade of experience, I've built a software development team at Our Software that has mastered the art of turning designs into production-ready applications, which makes us perfect for your project. We understand that your needs go beyond just creating a functional product; you require confidentiality, full-stack abilities, and comprehensive post-launch support. Our team has successfully delivered similar multi-platform products in the past, including projects in construction tech and compliance workflows. This gives us an intricate understanding of the unique challenges your project may face and equips us with the tools to overcome them swiftly and efficiently. Additionally, our process involves implementing continuous integration/delivery pipelines, ensuring efficient testing, deployment mechanisms, all while prioritizing data security. I propose using Android with Java/Kotlin along with React Native for the field technicians' mobile app to guarantee cross-platform functionality. Meanwhile, we will leverage Angular or React for the web application's frontend to align pixel-perfectly with your Figma prototypes. The backend will be built on a robust framework like Node.js or Django that supports real-time syncing and offline capabilities while preserving data integrity. Let's transform your visionary prototype into a revolutionary reality. Thanks!
$1 750 USD 13 päivässä
6,6
6,6

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat, where I can also share relevant examples of my past work. I'm looking forward to hearing back from you! Best Regards, Divu.
$1 750 USD 7 päivässä
6,5
6,5

Hi, I’m excited about the opportunity to turn your Figma prototype for ConAcc4 into a fully functional web portal and mobile apps. With extensive experience in full-stack development, I’ve delivered several multi-platform solutions, including apps and web portals for industries like construction tech and compliance workflows. I’ve worked on projects that require both offline functionality for field technicians and real-time synchronization, which is critical for your platform’s success. The key challenge I can help solve is ensuring seamless offline support and reliable synchronization, even in areas with low connectivity. For the tech stack, I propose using React for the web portal with a Node.js backend and PostgreSQL for the database. For the mobile apps, I recommend using React Native for cross-platform development, ensuring consistent performance across iOS and Android. I’ll implement CI/CD pipelines for automated testing and deployments, and we’ll follow best practices for security and data integrity, especially for offline work. Thanks, Hercules
$2 000 USD 7 päivässä
6,5
6,5

Quick question: is the backend currently leaning toward Laravel? Need that solid framework for our offline sync and real-time updates. I’m all in for React Native on the mobile side—perfect for cross-platform magic. Let’s chat about your CI/CD vision too; nothing like smooth deployments for a project like this! What’s the timeline looking like? *** Preferred Freelancer - great reviews *** Engineer also... Fluent in English, German and Spanish native. ---------------IT Knowledge - CMS: WordPress (Plugin dev. & Woo Ecommerce), Joomla (blogs), Shopify (with Liquid for template edition), Wix & Squarespace - Coding Langs: PHP (web coding), JS (web coding), HTML/CSS (webpages), MySQL (Databases), APIs/JSON, VBA (macros Excel/Access) - Frameworks/Libraries: Bootstrap (html/css), React (JS coding), Node (JS coding), Laravel (PHP coding), CodeIgnater (PHP coding), React Native (App Prototyping) - Compilers: SASS/SCSS (css), PUG (html)
$1 750 USD 7 päivässä
6,8
6,8

Hi, We’ve developed similar multi-platform products, including a construction-focused solution that connects field workers with managers to streamline QA processes. We understand the importance of delivering a product that meets the needs of both field technicians and managers. For your project, we can provide a dedicated team of experts with extensive experience in web and mobile development, CI/CD, and product management. We’ve worked with leading companies like Descon and Tally, where we built fully responsive web apps and mobile apps using frameworks like React Native and Flutter. In addition to development, we also offer valuable insights on product direction and user experience, ensuring you get a product that truly meets market demands. 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 regards, Adil
$1 984,23 USD 21 päivässä
6,2
6,2

Hi, I’m excited about the opportunity to turn your Figma prototype for ConAcc4 into a powerful QA/QC platform. With extensive experience in full-stack development and a focus on multi-platform solutions, I’m confident in my ability to deliver a production-grade web application and robust mobile apps for both iOS and Android. My team has successfully delivered similar projects in construction tech, where we built interactive platforms that empowered field technicians and provided insights to stakeholders through real-time analytics dashboards. We prioritize secure backends and offline capabilities, ensuring seamless operation in the field. Upon signing the NDA, I’ll provide a detailed response to your RFP, including our proposed tech stack, timeline, and examples of our previous work. I look forward to collaborating on this innovative project and appreciate the opportunity to contribute to your vision.
$2 000 USD 90 päivässä
6,2
6,2

Hello, We are thrilled at the opportunity to turn your comprehensive Figma prototype for ConAcc4 into a fully functional web portal and mobile app suite. Our team specializes in end-to-end development, ensuring your platform will be pixel-perfect and production-ready. With extensive experience in multi-platform solutions, particularly in construction tech and compliance workflows, we are well-equipped to handle everything from backend security to CI/CD pipelines and post-launch support. We understand the importance of offline functionality for field technicians and real-time updates for stakeholders. Could you share more about any specific technologies or frameworks you prefer for the backend? Additionally, what are your expectations regarding the timeline for the initial launch and subsequent updates? We look forward to the opportunity to discuss how we can bring ConAcc4 to life and exceed your expectations. Warm regards, [Your Company Name]
$1 600 USD 30 päivässä
5,9
5,9

With over 10 years of experience in mobile and web development, I must say that your project has piqued my interest. My specialisation in multi-platform app development and expertise in full-stack solutions make me an ideal match for your AI-assisted QA/QC platform. The fact that you're targeting construction projects aligns perfectly with my skillset, having worked on solutions in construction technology and compliance workflows before. Further to this, I have had extensive exposure to MEAN / MERN stacks, the same technologies you've identified for your project, which will ensure swift progression from design to production alignment. The rewards of leveraging my extensive expertise don't stop there; my background in ERP systems (particularly Odoo), CMS development and cloud computing can only enhance your application's versatility. . With me, you'll gain not just a seasoned developer but a true partner who relentlessly focuses on client satisfaction. With these proven qualities, I am confident I can exceed your expectations with the comprehensive implementation of your prototype and the long-term support your solution may require. With Regards! Abhi
$2 000 USD 21 päivässä
5,9
5,9

Hi There!!! ⚜⭐⭐⭐⭐⚜(( Turn ConAcc4 Figma prototype into production-ready web and mobile apps ))⚜⭐⭐⭐⭐⚜ I see you need a full-stack solution for ConAcc4, converting your AI-assisted QA/QC construction platform prototype into a web portal and companion mobile apps. I HAVE DEVELOPED MULTI-PLATFORM FIELD AND DASHBOARD APPS WITH OFFLINE CAPABILITIES AND REAL-TIME DATA SYNC AND CAN SHARE EXAMPLES IN CHAT. Key features: 1. Pixel-perfect web app aligned to Figma with live dashboards and automated reports 2. High-performance iOS and Android apps supporting offline field operations 3. Secure backend with CI/CD pipelines and automated testing for robust delivery I can implement your prototype efficiently, ensure seamless multi-platform functionality, and provide a clean handover including documentation and infrastructure scripts. Let’s discuss tech stack and milestone planning to get started. Warm Regards, Farhin B.
$1 515 USD 15 päivässä
6,4
6,4

Hello, I have carefully analyzed your project requirements and have previously delivered multi-platform QA/compliance and inspection systems that included a mobile field app with offline-first data capture, photo uploads, checklist execution, and a web portal with real-time dashboards, reporting, and role-based access. These platforms were built from locked Figma designs and deployed with CI/CD and full handover documentation. Key aspects of your project include pixel-perfect implementation of your Figma prototype, offline-capable iOS/Android apps for field technicians, a secure and scalable backend, and a web portal for stakeholders with analytics and reporting. I would propose a stack such as Flutter or React Native for mobile, React or Vue for web, Node.js or NestJS backend, and a cloud-hosted infrastructure with automated pipelines, testing, and secure authentication. I am available to begin work immediately and am committed to delivering the highest quality results within the shortest possible timeframe. Best regards, Elenilson
$1 600 USD 7 päivässä
5,6
5,6

Hi, I can turn your ConAcc4 Figma prototype into a fully production-ready web portal and companion mobile apps for iOS and Android. I specialize in full-stack development, delivering pixel-perfect web interfaces, high-performance native or cross-platform mobile apps, secure backends with offline support, and real-time data syncing. I also provide CI/CD setup, automated test suites, and comprehensive handover documentation, ensuring smooth post-launch maintenance. I understand the importance of IP protection and will work fully under NDA, delivering your source code, infrastructure scripts, and technical documentation. I have experience shipping multi-platform products in construction tech and compliance workflows, and I focus on aligning user experience with operational efficiency while maintaining robust security and performance. I can propose a clear tech stack and timeline once I review your NDA and prototype. Best, Justin
$1 750 USD 7 päivässä
5,8
5,8

With my diverse skill set and extensive experience in the technology domain, I am the ideal candidate for your ConAcc4 project. My background in mobile app development, specifically on Android and iOS platforms, is perfectly aligned with your needs. Moreover, I have successfully delivered numerous cross-platform projects, flexing my expertise in offering seamless user experiences irrespective of the platform. Your mention of needing someone experienced with full-stack delivery resonates deeply with me as I not only specialize in mobile app development, but also have commendable backend development skills. Additionally, as a seasoned software engineer proficient in Python and Linux, I am more than capable of setting up CI/CD pipelines that would facilitate efficient build, test, and deployment processes for ConAcc4. In line with your project requirements, I possess the necessary knowledge and can create a secure backend supporting offline field work and real-time web updates. In conclusion, I am excited about the possibility of collaborating on this project and assure you reliable post-launch support once it concludes. Given my passion for leveraging technology to solve complex issues and my commitment to delivering high-quality work on time, I am confident that I can turn your Figma prototype into a production-ready web portal aligned pixel-perfectly to your design. Let's make ConAcc4 a reality together!
$3 000 USD 45 päivässä
5,8
5,8

Hi Chris N., ➡️ I read your project description for ConAcc4—a comprehensive, AI-assisted QA/QC platform for construction projects. Your requirements for a full-stack development team to engineer a web portal and mobile applications from a detailed Figma prototype align perfectly with my capabilities. ⏺️ I specialize in developing robust web and mobile solutions, with a focus on seamless offline functionality and real-time synchronization. With over 12 years of experience, I have successfully delivered similar multi-platform products, including a recent project for a large construction firm requiring complex compliance and workflow management. My proposed tech stack includes React for the frontend, Node.js for the backend, and React Native for cross-platform mobile development, ensuring high performance and maintainability. Regards, Aftab Ahmad Full Stack Developer (12 Years of Experience)
$1 500 USD 14 päivässä
5,9
5,9

With my extensive background in full-stack web and mobile app development, particularly in E-commerce, Website Development, and Custom WordPress Development, I believe that I would be the perfect fit for your project. My diverse skill-set includes proficiency in key elements such as HTML, CSS and PHP, all of which are essential in turning your Figma prototype into a high-performing web portal and companion mobile apps for both iOS and Android. Furthermore, I value constant communication to keep you in the loop about the progress of your project and conduct unlimited revisions to guarantee your ultimate satisfaction. I understand the sensitivity around your project due to its IP position. Thanks to my professional integrity, I'm more than happy to comply with the signed NDA ensuring a secure environment for this development. My vast experience working with large companies equips me well for handling complex projects while effectively meeting all clients' requirements. To prove this, I can share some examples of successfully shipped similar multi-platform products which were game-changers in various industries including construction tech or compliance workflows.
$2 000 USD 25 päivässä
5,7
5,7

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