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We have an existing car dealership management/intelligence app with two partially-built versions — a legacy working build and a newer UI — that need to be connected into one structured, functioning app. Codebase and access will be provided to the selected developer. What's already built (needs integration, not creation): Facebook Marketplace scraper (browser automation, JSON cookie login, anti-bot handling) Inventory dashboard with car records Messenger-based lead tracking system AI voice inventory entry (natural language → structured data via OpenAI API) Logic engine for rule-based tagging (e.g., lead response urgency, buy score, money trap flags) Scope of work for this phase: Command Center — wire up dashboard widgets: inventory value, inventory cost, expected profit, available cash (dynamic), active/inactive listings, money trap, inventory aging, profit/revenue trends, monthly revenue, average days to sell Inventory — connect photo gallery (per-car storage, main photo selection, upload/capture), AI-recommended sale price with evaluation history Connect and structure the legacy and new-UI versions into one working app Verify FB scraper, messenger lead system, and AI voice entry all function end-to-end post-connection Acceptance criteria: Command Center widgets display live, accurate data pulled from inventory records Photo gallery functional per car (upload, capture, main photo select) AI price recommendation returns and logs evaluation history FB scraper, messenger, and voice entry confirmed working in the unified app (no regressions from legacy version) App runs cleanly as one structured codebase, no leftover duplicate/conflicting logic between old and new UI Budget: $10-30 fixed Timeline: 2-3 days Note: Codebase is already built — this is integration/connection work, not new development. Developer should review the provided codebase access before bidding to confirm the 2-3 day estimate is realistic on their end.
Project ID: 40552532
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64 freelancers are bidding on average $87 USD for this job

As a seasoned Full Stack Developer for over 6 years, I've got the in-depth understanding of connecting, structuring, and managing codebases that your project calls for. With expertise in PHP, Laravel, React JS and Node.js, your existing car dealership app can be harmoniously integrated and regain its full potential with consistent performance. My proficiency in Java and JavaScript further adds value to my ability to efficiently coax your legacy build and new UI into one powerful app. Lastly, I firmly believe in a client-focused approach and attention to detail; attributes that are of paramount importance in delivering projects while leaving no room for redundancy or duplicate/conflicting logic like what you anticipate from unifying the old and new version. Be assured that your projects are in professional hands as I consistently provide clean, well-documented code and maintain clear communication line at all times to ensure every step of our collaboration. Reach out now and let's connect to accelerate your project completion!
$10 USD in 1 day
6.1
6.1

With over a decade of experience in full stack development and specifically with Java, JavaScript, Mobile App Development, Node.js, and PHP, I am confident in my ability to handle the complexities of your project. My extensive background in website development (React, Laravel, WordPress, Shopify, PHP) and mobile app development (Flutter, Android, iOS) make me well-rounded in working with a variety of codebases. I understand that this phase of the project requires connecting the existing codebases into one cohesive app. Having accomplished numerous API developments and integrations throughout my career, I'm adept at merging various systems smoothly without any leftover duplicate or conflicting logic. Quality assurance is also a high priority for me—I'll ensure that your Facebook Marketplace scraper, Messenger lead system, and AI voice entry functionalities are thoroughly tested for end-to-end functionality once the connection is made. Moreover, my problem-solving skills combined with the ability to work collaboratively make me an ideal fit for this project. I’m genuinely excited to join your team and turn your vision into reality. Let's get this app running cleanly as one structured codebase within the given budget and timeline.
$150 USD in 7 days
6.4
6.4

Greetings, It looks like you're looking to merge two versions of your dealership management app into a single, cohesive system, while ensuring that all existing functionalities work seamlessly. I can help with this by carefully integrating the legacy and new UI, focusing on making sure that each component communicates properly and delivers accurate data. To achieve this, I’ll: 1. Connect all dashboard widgets to display real-time data from your inventory, ensuring they reflect dynamic changes. 2. Integrate the photo gallery for each car, allowing easy uploads and selection of main images. 3. Verify the functionality of the Facebook scraper, messenger lead system, and AI voice entry to ensure they're fully operational in the unified app. 4. Clean up the codebase to eliminate any conflicting logic from the two versions, enhancing overall performance. I’m eager to bring your vision to life and ensure a smooth, user-friendly experience for your team.
$30 USD in 1 day
6.1
6.1

As a seasoned web developer and digital strategist, I have acquired an extensive set of skills to offer the utmost value to this project. My 4+ years of experience in web development, especially with JavaScript and Node.js, will be pivotal and give me a crucial advantage in examining your existing codebase and seamlessly integrating the legacy and new-UI versions into one cohesive and structured app. One major aspect of this project that perfectly aligns with my skills is the Facebook Marketplace scraper. I have had first-hand experience in browser automation, JSON cookie login, and handling anti-bot functionalities; I am confident these skills will speed up the process of verifying that it works end-to-end seamlessly with the rest of the app.
$30 USD in 1 day
5.9
5.9

Hi, this app needs a clean merge where the working legacy flows stay intact while the newer interface becomes the single operational layer. The key risk is not the widgets themselves, but keeping the Marketplace browser automation with cookie login, Messenger leads, voice inventory entry, and rule tags from breaking during the merge. I can review both builds, remove conflicting duplicate logic, bind the Command Center metrics directly to inventory records, and connect per-car photo storage with main-image selection and capture/upload flow. I will also test the scraper, lead tracking, voice entry, and AI price recommendation history end to end so the final app runs as one structured codebase. Before confirming the 2 to 3 day estimate, do both versions already use the same backend/database schema, or is data mapping also part of this phase? Best regards, Muhamad Saad K
$15 USD in 5 days
5.5
5.5

Hello there, This is exactly an integration project, not a rebuild, and I am confident I can unify both codebases into one clean, stable application without breaking the existing functionality. I am comfortable working within your $10-30 budget and can complete this phase within 2–3 days after reviewing the codebase. I will connect the legacy build with the new UI, wire up all Command Center widgets with live data, integrate the inventory photo gallery and AI pricing history, verify the Facebook scraper, Messenger lead tracking, and AI voice inventory entry, and remove duplicate or conflicting logic to leave you with a single, maintainable codebase. Please share the repository access, and I will review it immediately to confirm the timeline and get started. Thanks, Raghu.
$15 USD in 7 days
4.8
4.8

Hi, the real work here is not the widgets, it is merging two divergent builds without breaking the scraper, the messenger tracking, or the voice entry that already work. That is where integration jobs usually go wrong, so I would treat "no regressions" as the whole game. I have connected split codebases and wired dashboards to live data, and my approach is to first pin down which version owns each piece of logic before writing anything, so old and new UI stop fighting each other. Then I wire the Command Center widgets to real inventory records and confirm the FB scraper, Messenger, and OpenAI voice entry all still fire end to end. Before I commit to the 2 to 3 day estimate I would want to actually read the codebase, since integration risk lives in the details. Could you share repo access so I can confirm the scope holds? Thanks!
$20 USD in 7 days
3.6
3.6

Hello, let's get straight to the point, I'm submitting this proposal because I've integrated legacy applications with newer codebases, resolved conflicting logic, and delivered clean, production-ready full-stack systems without breaking existing functionality. My approach is to review both versions, merge them into a single maintainable codebase, connect the Command Center widgets, photo gallery, AI pricing, Facebook scraper, Messenger lead tracking, and voice inventory features, then thoroughly test every workflow to ensure there are no regressions. I'll also clean up duplicate code, verify live data flows correctly throughout the application, and leave the project organized so future development is much easier. Thanks for your time, and I look forward to helping you unify the application into a stable and reliable platform. It looks like it will take at least 3 days to finish this project.
$250 USD in 3 days
3.3
3.3

Hello! I read your scope carefully. This is not new build, it is connection and cleanup work between the legacy working version and the newer UI, while keeping scraper, messenger flow, voice entry, and inventory logic stable. I can review the codebase first, trace the shared models/APIs, and confirm what is realistic for the 2-3 day scope before starting. My approach is simple: audit both versions, merge the working logic into one clean structure, wire Command Center widgets to live inventory data, connect photo gallery + main image flow, and verify AI price history, FB scraper, messenger, and voice entry end-to-end with no regressions. The hardest part is usually duplicate logic and mismatched data flow between old and new parts, and I solve that by mapping each module first before touching integration. If you send access, I can check quickly and give clear next step.
$20 USD in 1 day
2.8
2.8

The FB scraper is the trickiest piece here since Facebook actively blocks automation, so the method matters. I can review both partial versions, pick the stronger foundation, wire up the scraper with rotating sessions, and connect the dashboard and messenger. Available now and can have a working build by end of week. The bid reflects what's in the description. Final numbers come after we walk through the full scope together. Want to jump on a quick call?
$30 USD in 3 days
2.2
2.2

Hi, I carefully reviewed your project and understand this phase is focused on integrating and stabilizing an existing codebase rather than building a new application from scratch. From your description, the priority is to merge the legacy working version with the new UI, eliminate duplicate logic, reconnect the dashboard, inventory module, AI pricing, photo gallery, Facebook scraper, Messenger lead tracking, and voice entry while ensuring everything works as one structured application. Before confirming the 2–3 day timeline, I'd first review the existing codebase to understand the current architecture, dependencies, and integration points. This helps avoid regressions and provides a more accurate implementation plan. I can also help improve the code structure, identify conflicting modules, reconnect APIs, verify existing features, and ensure the unified application is stable and maintainable. A couple of questions before we begin: • Which framework is used for the mobile application (Flutter, React Native, native Android, or something else)? • Is the legacy and new UI version maintained in separate repositories or within the same project? I'm interested in supporting this project beyond the initial integration phase if everything goes well. Best regards, Abdur
$20 USD in 1 day
1.4
1.4

Hi, Thanks for sharing your project. It aligns well with solutions our team at Royal IT Service has successfully delivered for clients across various industries, and we're confident we can provide a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, we'd like to clarify a few key details to ensure we're aligned from the start. Freelancer's proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. We can discuss similar projects we've worked on, recommend the best approach for your specific requirements, and answer any questions you may have. Once we understand your expectations, we'll provide a clear execution plan with realistic timelines and pricing. We're ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Royal IT Service
$12 USD in 10 days
2.6
2.6

I've handled similar dealer/inventory management integrations. I'll start by auditing both codebases to map dependencies and identify duplicate logic, then systematically merge the UI layers while preserving the Facebook scraper, messenger system, and voice entry functionality. Next, I'll wire the Command Center widgets to pull live data from your inventory database and connect the photo gallery with upload/capture and AI price recommendation logging. Finally, I'll run end-to-end testing on all four systems (scraper, messenger, voice, pricing) to confirm zero regressions. I can commit to the 2-3 day timeline if codebase access is immediate and the existing functions are reasonably documented.
$10 USD in 3 days
0.0
0.0

Hello, I hope you’re doing well. I reviewed your project requirements and I’m confident that I can help you build a high-quality, modern, and user-friendly solution according to your needs. Connect & Finish Existing Dealer Management I’m Ankur, a Full Stack Developer with 7+ years of experience in: * Custom Website Development * E-commerce Development * Mobile App Development * Flutter App Development * Android & iOS Applications * WordPress & PHP Development * UI/UX Design * Admin Panels & APIs I have successfully completed 500+ projects for startups, businesses, and individual clients worldwide. Why work with me? ✔️ Clean and professional development ✔️ Mobile-friendly and responsive design ✔️ Fast communication and regular updates ✔️ Scalable and secure solutions ✔️ On-time delivery ✔️ 3 months of free support after completion My goal is not just to complete the project, but to build a solution that helps your business grow. I would be happy to discuss your project in detail and start working immediately. Looking
$40 USD in 9 days
0.0
0.0

Hi, I can help you merge your legacy working build and the newer UI into one clean, structured, fully functioning app. Since the core systems are already built (FB Marketplace scraper, Messenger lead tracker, AI voice inventory entry, rule‑based tagging engine), this phase is mainly integration, wiring, and verification, not new development. I’m ready to begin immediately and can provide a clear timeline once I review the full scope.
$10 USD in 7 days
0.0
0.0

Hey — saw your post about finishing your dealer management app with FB scraper, dashboard, and messenger. Looks like syncing data between Facebook scraping and your dashboard might be a key pain point to nail. Are you flexible on how the FB data is processed, or tied to a specific method or API? I’ve wrapped up similar apps integrating social data with real-time dashboards before. Send over the current code or a spec, and I’ll take a quick look to see what’s needed to finish strong.
$20 USD in 7 days
0.0
0.0

Greetings, I recently worked with a small car dealership management company that faced challenges in integrating their legacy systems with newer technologies. They had similar needs to yours, focusing on combining different app versions and ensuring that tools like scrapers and dashboards operated seamlessly together. My role involved connecting various components, like a Facebook Marketplace scraper and an inventory dashboard, into a unified interface. To tackle your project, I would focus on ensuring that the Command Center displays accurate, real-time data by wiring up the dashboard widgets effectively. I'd also prioritize ensuring smooth functionality for the photo gallery and AI price recommendations, while confirming that all existing features like the FB scraper and messenger lead system work flawlessly in the new setup. I’m confident in my ability to help you achieve a well-structured and efficient app.
$30 USD in 1 day
0.0
0.0

Rough numbers above are placeholders for now, we'll firm them up once we've had a look at the actual codebase. What you're describing is essentially a unification job, two versions of the same app that each have working pieces but need to be wired into a single, clean structure. The Command Center widgets pulling live inventory data, the per-car photo gallery with main photo selection, the AI price rec with eval history logged, and then making sure the FB scraper, messenger lead tracker, and voice entry all survive the merge intact with no regressions. That's the finish line. Here's how we'd approach it: - Codebase audit: Before touching anything, we'd map both versions side by side, find what overlaps, what conflicts, and what's already solid enough to keep. Saves a lot of headaches later. - Command Center wiring: Connect each dashboard widget to its source query in the inventory DB, inventory value, cost, expected profit, aging, money trap flags, the whole set. Dynamic, not static. - Photo gallery: Hook up per-car storage (local or S3 depending on what's already set up), upload and capture flows, and the main photo select flag. - AI price + eval history: Make sure the OpenAI price recommendation call lands correctly in the unified app and that each evaluation gets logged with a timestamp so history is queryable. - End-to-end smoke test: Run the FB scraper, messenger lead flow, and voice entry through the merged codebase and confirm nothing broke from the legacy side during connection. Once we've reviewed the repo access you share, we can put together a short written scope doc with a firm timeline and price. Would it make sense to share the codebase first so we can give you a realistic read on the 2-3 day window before you commit? Best, 96 Studio
$30 USD in 10 days
0.0
0.0

Hi, I've reviewed the scope and have hands-on experience with both browser automation for scraping and structuring AI-based data pipelines, so I'm confident I can bring these two versions together into one working app. Given the codebase is described as "already built but needs review," I'd like to start with a focused review of the current repo to confirm the FB scraper's current reliability and the state of the AI voice entry pipeline before locking a final timeline, this protects both of us from surprises once I'm inside the code. I'd propose splitting delivery into two milestones: first, getting the legacy and new-UI versions merged into one structured, running app; second, verifying and finalizing all acceptance criteria (dashboard widgets, photo gallery, scraper, messenger, and voice entry all working end-to-end with no regressions). Happy to hop on a quick call or message thread first if you can share repo access, that'll let me give you a firm day count instead of a guess. Ready to start as soon as we're aligned.
$30 USD in 5 days
0.0
0.0

Hello! I recently had the pleasure of assisting a client in enhancing their operations, achieving results similar to what you’re seeking for your service-oriented business online. I am eager to extend that same level of support to you. From what I've gathered about your project, it’s evident that you're in search of dependable, scalable, and efficient solutions, qualities at the core of my work. My expertise lies in API integration and automation, cloud solutions, as well as database design and optimization. This allows me to create systems designed not only to boost performance but also significantly minimize manual effort. My commitment is centered around cultivating robust, long term relationships with clients. I would be delighted to explore your project further with you; after all, the least that can happen is you'll gain valuable insights during our free consultation! Regards, tebogo
$15 USD in 7 days
0.0
0.0

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