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Hali hazırda %80'i tamamlanmış, ancak frontend-admin senkronizasyonu ve veri tutarlılığı konularında tıkanmış bir Araç Kiralama (Rent a Car) projem var. Projeyi mevcut haliyle devralıp, hataları temizleyerek ivedilikle yayına alacak bir yazılımcı arıyorum. Yapılması Gereken Kritik İşler: Veri Senkronizasyonu: Admin panelinden eklenen araçların, envanter bilgilerinin ve tedarikçi isimlerinin web sitesinde (frontend) anlık ve doğru şekilde görünmesi sağlanmalı. (Şu an mapping hataları ve cache sorunları var). Envanter & Stok Yönetimi: Her araç grubu için adet bazlı stok giriş alanı, son araçlar için "Low Stock" uyarıları ve stok bitince otomatik satış durdurma (Inventory depletion) mantığı kurulmalı. Stop-Sale Mekanizması: Admin panelinden tek tuşla belirli araç grupları için satışı durdurma/açma özelliği frontend ile tam entegre çalışmalı. Fleet (Filo) Sayfası: Tüm envanterin fiyatlar gizli şekilde, sadece katalog olarak sergilendiği bir "Fleet" sayfası yayına alınmalı. Teknik Stabilizasyon: Sistemin normal tarayıcı ve gizli sekmede farklı davranmasına neden olan cache/feature flag/session sorunları giderilmeli. Realtime güncellemeler hatasız çalışmalı. Beklentim: Mevcut kod yapısını (React/[login to view URL] tabanlı, muhtemelen Supabase/Realtime DB destekli) hızlıca analiz edip, yarım kalan işleri "bitmiş ürün" kalitesinde teslim etmenizdir. Teorik bilgi değil, doğrudan yayına alma odaklı çalışma bekliyorum.
Project ID: 40561894
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59 freelancers are bidding on average $420 USD for this job

Hi — Elias here from Miami. I see you're looking to complete your vehicle rental system, particularly around frontend-admin synchronization and data consistency. It’s great that you’re already at 80% completion, but I understand how crucial those last touches can be. The real challenge often lies in ensuring the frontend and backend communicate smoothly while maintaining accurate data across the board. Common issues include mismatched data states or user interface glitches that can hinder usability. My approach would involve first assessing the current setup to identify any discrepancies between the frontend and backend. From there, I’d implement a reliable synchronization process that ensures data integrity. I’d also conduct thorough testing to catch any potential issues before going live. To better understand your needs, could you share how you're currently managing data flow between the frontend and backend? Also, are there specific features you find critical for the admin interface? Looking forward to discussing this further.
$500 USD in 5 days
8.4
8.4

Merhaba! Projenizle ilgileniyorum; bu benim için kolay bir iş. Daha önce benzer projeler gerçekleştirdim. İşi bugün tamamlayabilirim. Elimden gelenin en iyisini yapacağım ve %100 memnun kalacağınız bir sonuç elde edeceksiniz. Hemen işe koyulabilirim. Lütfen bana mesaj gönderin. Haberinizi bekliyorum. Saygılarımla.
$899 USD in 10 days
7.5
7.5

Hey, those mapping errors and cache inconsistencies usually stem from the frontend state not properly invalidating when the database triggers a change. I’ll hook the frontend directly into your Supabase realtime listeners to force a clean sync whenever the admin panel updates the inventory. The real headache here is preventing race conditions when multiple users try to book the last available vehicle, but I have a solid handle on managing those atomic transactions. Which specific cache layer is currently causing the most friction?
$250 USD in 6 days
5.8
5.8

Hi, I reviewed **Araç Kiralama Sistemi Tamamlama** and I'm confident I can deliver exactly what you're looking for. With hands-on experience in **PHP, Frontend Development**, I build professional, scalable, and user-focused solutions that are designed for performance and growth. I believe in clear communication, quality work, and on-time delivery. I'd love to discuss your project and share ideas that can add even more value. View some of my previous work: Looking forward to hearing from you.
$600 USD in 14 days
5.7
5.7

Hi there, I came across your project, and I understand you're seeking a skilled developer to address frontend-admin synchronization and data consistency issues in your nearly completed Car Rental project. Ensuring real-time data synchronization and resolving mapping and caching problems is critical, and I can help you achieve that. I am Abdul Haseeb Siddiqui, with over 6 years of experience in PHP, Graphic Design, Translation, Inventory Management, HTML, Frontend Development, Database Management, and Next.js. My diverse skill set enables me to tackle both your urgent technical issues and enhance user experience seamlessly. Here are my portfolio links for your review: https://www.freelancer.com/u/haseebsidd07 I am eager to collaborate with you to bring your project to completion with a focus on quality and quick turnaround. Thank you for considering my proposal. Regards, Abdul Haseeb Siddiqui
$500 USD in 7 days
5.1
5.1

Hello, I specialize in frontend development and PHP, and I am confident in resolving the frontend-admin synchronization and data consistency issues in your Rent a Car project. I will start by reviewing the existing codebase, identifying the root causes of the bugs, implementing the necessary fixes, and thoroughly testing the changes to ensure a seamless deployment. Key tasks include ensuring real-time and accurate display of vehicle inventory and supplier information on the frontend, setting up inventory management features such as stock alerts and automatic sales stoppage, integrating a stop-sale mechanism for specific vehicle groups, and launching a Fleet page showcasing inventory catalog with hidden prices. I will prioritize technical stability by addressing caching, feature flag, and session issues to ensure consistent performance across different browsing scenarios. Effective communication during Turkey's time will be maintained throughout the project. Deliverable: A fully functional Rent a Car system with enhanced frontend-admin synchronization and data consistency. Best regards, Jamila
$500 USD in 8 days
4.6
4.6

Hi, Taking over an 80% completed project is mostly about understanding the existing flow, fixing the root cause, and getting it production-ready without breaking anything else. I can resolve the frontend-admin sync issues, realtime data consistency, cache problems, inventory logic, stop-sale workflow, and complete the Fleet page while preparing everything for deployment. One question: is the realtime layer powered by Supabase subscriptions, Firebase, or custom WebSockets, and where are the mapping issues happening? Give me this task, and I'll make those bugs pack their rental bags and leave. Looking forward to launching it together. Dev S.
$350 USD in 3 days
4.6
4.6

⚡ I WAS LOOKING FOR A PROJECT LIKE THIS. I have just handled a similar project involving a seamless migration and synchronization process from Wix to WordPress, prioritizing SEO preservation. You need a fully functional Rent a Car system with real-time inventory updates, low stock alerts, automatic sales suspension, and a confidential Fleet page. Let's address the critical issues: fixing mapping errors, resolving cache bugs, implementing inventory management features, ensuring a smooth Stop-Sale mechanism, and achieving technical stability. I will ensure a straightforward process, clear communication, and accurate results throughout the project. MESSAGE ME, I WILL KEEP THIS SIMPLE. Regards, Stefan.
$450 USD in 14 days
4.5
4.5

I can complete the remaining 20% of your araç kiralama sistemi by focusing on frontend-admin synchronization and ensuring data consistency. I understand the importance of smooth communication between layers to avoid errors. I have experience working with partially completed projects, resolving data sync issues, and optimizing admin panels for better control and accuracy. My approach ensures stability and maintainability. I will analyze your current setup, fix syncing gaps, and stabilize data flow efficiently. Happy to review your current setup and get this back to a stable state.
$500 USD in 7 days
4.1
4.1

✅It sounds like you've put a lot of thought into this project ✅and want to get it done right. I have successfully completed similar projects involving frontend-admin synchronization challenges. Understanding your goal of achieving real-time data consistency and seamless inventory management is crucial for the project's success. The critical task of ensuring instant and accurate visibility of inventory data on the frontend aligns with my expertise. My focus on performance optimization, robust security measures, and enhancing user experience makes me a suitable candidate for this project. Would it be a ridiculous idea for you to send me a message and see whether we're the right fit for this project? Kind regards, Curtley
$550 USD in 7 days
3.4
3.4

**Turkish Proposal:** ✅✅✅✅Merhaba.✅✅✅✅ Projenizde belirttiğiniz kritik işlerin tamamlanması için hızlı ve doğru çözümler sunabilirim. Mevcut kod yapısını analiz edip, veri senkronizasyonu, envanter yönetimi, ve stop-sale mekanizması gibi önemli konularda uzmanlığımı kullanarak projenizi başarıyla tamamlayabilir, size teslim edebilirim. Profilime göz atmanızı ve iletişime geçmenizi bekliyorum. Proje detaylarınızı tam olarak anladım ve belirttiğiniz işleri yüksek kaliteli bir şekilde sonlandırabilirim. Ayrıca, proje sonrası testler ve belgelerle destek sağlayarak, size tam bir çözüm sunabilir ve gelecekteki güncellemeler için de destek verebilirim. İyi çalışmalar dilerim, en içten selamlarımı iletiyorum. İsmim Oleksandr.
$250 USD in 7 days
1.7
1.7

I understand you need a developer to complete your Araç Kiralama system, specifically addressing the frontend-admin synchronization and data consistency issues that are currently blocking deployment. I recently resolved a similar mapping and caching problem for a logistics platform, ensuring real-time inventory updates across multiple user interfaces. My approach will involve a thorough audit of your existing codebase, focusing on the data flow between the admin panel and the frontend. I will refactor the API endpoints and database queries to eliminate mapping errors and cache staleness, ensuring accurate display of vehicles, inventory, and supplier information. I'll leverage your existing technologies, likely involving PHP/Laravel for the backend and a JavaScript framework like Vue.js for the frontend, to build a stable synchronization mechanism. What specific database schema are you currently using for inventory and supplier data? Ready to start as soon as you confirm scope.
$582 USD in 21 days
1.4
1.4

I can complete your vehicle rental system with a focus on frontend-admin synchronization and ensuring data consistency. I have successfully delivered similar projects that required seamless communication between interfaces and backend systems. My approach involves thorough testing of data flows and implementing synchronization mechanisms to maintain integrity across all components. Are you looking to finalize this for a full launch or an internal rollout?
$500 USD in 7 days
0.4
0.4

✅✅✅ Hi, there ✅✅✅ I am excited to offer my expertise in resolving the challenges you are facing with your Rent a Car project. I thoroughly understand the critical tasks at hand, including data synchronization, inventory management, stop-sale mechanisms, fleet page development, and technical stabilization. With over [X years] of experience in frontend development and project rescue missions, I am confident in my ability to quickly analyze your existing React/Next.js-based codebase and address the issues to deliver a polished end product. My previous projects involving real-time databases and complex frontend-admin integrations have equipped me with the necessary skills to tackle the specific issues you are encountering. To ensure a successful outcome, I propose a structured approach that involves conducting a comprehensive code review, prioritizing fixes based on impact, implementing robust inventory and stock management systems, and rigorously testing for seamless frontend-admin synchronization. I am dedicated to delivering a flawless product that meets your expectations of ready-to-launch quality. I am eager to collaborate with you to bring your project to completion promptly and efficiently. Let's work together to overcome the current hurdles and elevate your Rent a Car platform to its full potential. Thank you for considering my proposal. I look forward to the opportunity to contribute to your project's success. ✌️ Predrag ✌️
$500 USD in 7 days
0.0
0.0

GIVE ME A MOMENT TO SHOW YOU WHAT SETS ME APART. I’ve carefully read your project requirements and understand you’re looking to complete a Rent a Car system, specifically focusing on frontend-admin synchronization and data consistency. Having experience in similar projects, I grasp the critical aspects needed to bring a reliable solution to life. We specialize in projects involving advanced frontend-backend integrations and data management, making us well-equipped to tackle the challenges you're facing. Our expertise lies in resolving mapping errors, optimizing inventory management, implementing stop-sale mechanisms, launching fleet pages, and ensuring technical stability. I’d love to discuss your project further. I suggest a quick chat to better understand your requirements and recommend the best approach. Regards, Nabeel Ismail
$350 USD in 7 days
0.0
0.0

I understand that your Rent a Car project is 80% complete but facing challenges with frontend-admin synchronization and data consistency. I specialize in taking over existing projects, resolving errors, and swiftly launching them. I will ensure real-time and accurate display of inventory information on the frontend by fixing mapping errors and cache issues. Additionally, I will implement stock management features like quantity-based entries, low stock alerts, and automatic sales suspension upon inventory depletion. My focus will be on integrating a seamless stop-sale mechanism for specific vehicle groups and launching a "Fleet" page with hidden prices for inventory showcasing. I will address technical instabilities causing discrepancies across browsers and ensure flawless real-time updates. Let's discuss your project further in a complimentary consultation to align on the best approach. What is your vision for the project timeline?
$400 USD in 7 days
0.0
0.0

We recently wrapped up a project very similar to this, where we've helped someone achieve the goal of launching a seamless online platform for service businesses. We can help you achieve a fully synced frontend-admin system for your Rent a Car project, ensuring clean, professional, and user-friendly data management. Our team specializes in data synchronization, inventory management, and technical stabilization. With 75+ 5-star reviews on similar projects and ranking in the top 1% among 75 million users, we guarantee efficient and top-notch results. I'd be happy to discuss your project in more detail and share how we can bring it to life efficiently and professionally. Best case, we work together. Worst case, you get free advice that helps you move forward. Regards, Martinus.
$500 USD in 7 days
0.0
0.0

Izmir, Turkey
Member since Jul 5, 2026
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€30-250 EUR
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