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Data Size: ~10 000 records per year Read / Write Load: • Write: regular daily inserts (vehicles, documents, invoices) • Read: high-concurrency dashboards, filtering, Excel/PDF exports Schema Flexibility: relational (fully normalised, ready for 100 k+ rows) Geolocation: single-region (with 2-AZ HA; option to add second region in Year-2) Attachment Storage: object storage (S3 / Azure Blob / GCS) – metadata only in DB 1. Objective Deliver a single-tenant, cloud-native platform that reduces manual keystrokes per vehicle from ±180 to <20 and removes pricing errors by automating Maker, Model, Year, Fee and Document status lookups. The system must be operable by non-IT staff, auditable for GDPR/local regulations, and portable across AWS, Azure or GCP without code changes. 2. Core Modules & Tables A. Full Stock (Master Inventory) – Field Types & Automation Rules Field Name | Field Type / Format | Notes / Automation Chassis No | Text / PK | Auto-validated (length, check-digit); triggers VIN-decoder API if unknown. Country | Single Select | Pre-load list; drives downstream “Country Tariff” rule set. Auction Site … Yard | Single Select | Admin-maintainable dropdowns. Maker | Single Select | Auto-filled from chassis-rules table; user can override. Model | Single Select | Cascaded from Maker + chassis lookup; search-select for >8 k values. Grade … Fuel Type | Single Select | Standard lists. Year, Month, Engine CC, Mileage | Integer | Auto-extracted where possible; numeric validation. Auction Push … Yard Fee | Currency (JPY) | Base manual inputs. Auction Push 10 % … RECSOV Fee 10 % | Formula | Locked formulas; visible but read-only. Transport Fee, Yard Fee, Inspection Fee | Currency | Auto-populated from “Country Tariff” table; editable checkbox to override. Total Cost | Formula | Sum of all cost components; recalculates on every change. Document Status | Lookup | Real-time roll-up from Document Management (Received / Pending / N/A). Feasibility Notes • All FK columns indexed; composite index on (Country, Yard, Status) for dashboards. • Pricing rules effective-dated; history table keeps old rates for audit. B. Document Management (metadata only) Fields: Chassis FK, Document Type, Status, File Name, Hash, Object-Store URL, Uploaded By, Uploaded At, Version. Workflow: drag-and-drop or e-mail relay; file streamed directly to object storage; DB never stores BLOB. Audit: immutable version row on each re-upload; retention policy configurable per document type. C. Invoice Fields: Chassis FK, Maker-Model-Year-Color (lookup), Price (incl. country markup %), Container No, Booking No, From/To, Invoice Date, Payment Status, PDF URL. Automation: PDF generated on status=Confirmed; bulk-create 200 invoices <3 min; e-mail optional. D. Bookings & Shipments Fields: Booking No, Container No, Invoice FK, From/To, Agents, ETD/ETA (timezone-aware), Shipping Cost, Document Send Date, Surrendered Date, Attachments (array of metadata objects). Features: container utilization gauge, automatic ETA countdown on dashboard, link-out to shipping-line tracking page. E. Country Stock & Reporting (virtual module) A set of materialised views on top of Full Stock + Invoice + Bookings; no extra data entry. Adds: Sold/Unsold flag, Sold price, Parts count, TT Received Date, Exchange Rate, Total USD. Export: Excel, PDF or API JSON; filter by date-range, country, agent, payment status. 3. System Design Considerations A. Data Integrity & Types • Explicit data types enforced at DB layer; dropdown values stored in reference tables. • Monetary columns use NUMERIC(14,0) for JPY and NUMERIC(12,2) for USD to avoid rounding. B. Role-Based Access Control Roles: Viewer, Data-Entry, Accountant, Country-Manager, Admin, Super-Admin. Row-Level Security: users see only countries assigned to their profile. C. Automation & Workflows • Status propagation via PostgreSQL NOTIFY + lightweight pub/sub (no constant polling). • Scheduled jobs: nightly currency update, overdue payment alert, container ETA shift alert. D. Security & Audit • AES-256 at rest (RDS/TDE), TLS 1.3 in flight. • Immutable audit table: who, what, old-val, new-val, time-stamp, IP. • GDPR delete job: hard delete possible after 30-day soft-delete quarantine. E. Backup & Recovery • Daily snapshot + continuous WAL archiving to second cloud provider. • One-click restore tested monthly; documented RPO ≤ 15 min, RTO ≤ 1 h. F. Scalability • Connection pooling via PgBouncer; read replica for BI queries ready from Day 1. • Partition template for Full Stock by year; trigger-based auto-creation. G. Reporting & Dashboard Real-time widgets: Remaining Japan stock, Docs pending by country, Container pipeline, Cash-flow (TT received). All widgets exportable; colour-coded thresholds user-configurable. H. Integration & Extensibility • REST & GraphQL endpoints; OpenAPI 3.0 spec delivered. • Web-hook for shipping-line status push; plug-in slots for payment gateway (Stripe, PayPal, Wise). • Feature flags for new modules (CRM, Spare-Parts) without downtime. 4. Dashboard & Views (same as original, plus) E. Cash-Flow Dashboard • TT received vs expected per country (weekly roll-up). F. Operational KPI • Average minutes per vehicle data-entry (target <2 min). • Auto-detection accuracy % (target ≥ 98 %). 5. Deliverables • Terraform / Bicep / Deployment Manager scripts for AWS, Azure, GCP. • CI-CD pipeline (GitHub Actions or GitLab) with blue-green DB migration. • Run-book & video library for admins, accountants, developers. • 90-day hyper-care: bug-fixes, performance tuning, tariff rule tweaks at no extra cost. Please share (or re-share) a light sample of the simplest PostgreSQL (or any SQL) vehicle or inventory DB you’ve built before—this is a re-post of our RFP from 3 months ago on the same freelancer site; we’re not starting immediately and expect further revisions, so before any schema work begins let us know your preferred cloud, proposed RDS tier, data-dictionary template, naming conventions, and any chassis/VIN decoder API tokens you already hold. Thank you for your consideration; we look forward to your technical and commercial response.
Project ID: 40184659
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Having successfully executed similar cloud-based vehicle management systems, we are well-prepared to deliver a robust solution for your updated export management platform. Our expertise in end-to-end AI-first product development and database solutions ensures we can meet your specific needs, from reducing manual inputs to enhancing automation and scalability. With over 8 years of experience and a proven track record with 200+ clients, we specialize in architecting intelligent systems using PostgreSQL, Azure, and GCP. We excel in automating workflows, ensuring high concurrency dashboards, and integrating secure object storage, all while ensuring the system is user-friendly for non-IT staff. Our portfolio includes sophisticated systems with features like role-based access control, real-time data integrity, and advanced reporting capabilities, tailored to be adaptable across multiple cloud providers. We prioritize outcomes that exceed expectations, offering transparent collaboration and competitive pricing. Q: Could you share your preferred cloud platform and any chassis/VIN decoder API tokens you currently use? Q: Do you have any specific data-dictionary template or naming conventions in mind? Let’s collaborate to create a scalable, intelligent solution that aligns with your objectives. Looking forward to your response. Best regards, Puru Gupta
$5,000 USD in 29 days
7.6
7.6

With over a decade's worth of experience in Cloud Computing, MySQL, PHP, and Software Architecture, our team at MAKOS is more than equipped to handle your cloud-based vehicle export management system. Not only have we honed our skills constructing numerous dashboard solutions for high-concurrency data handling but also developed the necessary relational database expertise to manage over 100 thousand rows without strain. Our experience also includes architecting similar projects that secure auditable GDPR compliant data, offering robust schema flexibility. What sets us apart is not just our skill set, but our dedication to customer satisfaction and problem-solving. We've tackled projects that necessitate high read/write load with great success turning around daily inserts quickly and managing large-scale data filtering for efficient Excel/PDF exports. Our system designs ensure data integrity and enforce explicit types at the database layer, while our scheduled jobs handle background tasks like currency updates impeccably. Lastly, we understand the value of accessible documentation, clear communication and adaptable technology. Regardless of the cloud platform you choose for this project – AWS, Azure or GCP – we guarantee a portable solution that can be seamlessly executed across all three without code modifications.
$3,800 USD in 15 days
7.7
7.7

Hi there, I’ve developed multiple web apps with complex dashboards and high-concurrency data handling, including a vehicle auction platform that processed 1 million+ records daily. We used advanced techniques like server-side pagination and caching to optimize performance. I’m well-versed in both front-end and back-end technologies, with 15 years of experience in PHP and JavaScript, and I’ve worked extensively with frameworks like Laravel, CodeIgniter, Vue.js, and React.js. I also have strong expertise in server management and CI/CD pipelines. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$4,459.64 USD in 21 days
7.2
7.2

Dear , I hope this message finds you well. My name is Umer Hayat, and I am a full-stack PHP developer with over 8 years of experience in developing, customizing, and maintaining PHP-based websites for various clients. I have reviewed your project requirements and would like to ask a few clarifying questions to ensure that I can meet your expectations. I believe a brief chat would be the best way to proceed. Here is an overview of my skill set: Core PHP Laravel (PHP MVC Framework) CodeIgniter (PHP MVC Framework) WordPress (PHP CMS) Shopify (PHP CMS) Custom APIs and scripts MySQL, Database Development, PostgreSQL, Database Design, UI / User Interface, Azure, Software Architecture, PHP, Cloud Computing and Data Management I look forward to discussing your project in more detail. Please feel free to reach out at your convenience. Thank you. Best regards, Umer Hayat
$4,500 USD in 45 days
6.9
6.9

I’VE DESIGNED AND OPERATED CLOUD-NATIVE VEHICLE & INVENTORY PLATFORMS WITH STRICT DATA INTEGRITY, AUTOMATION, AND AUDITABILITY — THIS RFP IS VERY MUCH IN MY WHEELHOUSE. Hello, Thank you for sharing the detailed RFP. I fully understand this is a single-tenant, cloud-portable, operations-first platform, optimized to dramatically reduce manual data entry, eliminate pricing errors, and remain auditable, secure, and scalable without over-engineering. Relevant Experience Designed PostgreSQL-centric inventory systems (vehicles, logistics, invoices) with >100k rows/year Strong background in automation-driven data entry (VIN decoding, rule-based pricing, document status rollups) Built systems with object-storage attachments (S3-style), materialized views, exports, and high-concurrency dashboards Hands-on with RBAC, row-level security, audit trails, GDPR delete workflows, and HA backups Delivered cloud-agnostic stacks across AWS, Azure, and GCP using IaC I can re-share a light sample PostgreSQL vehicle/inventory schema (normalized, indexed, audit-ready) as requested. I’m comfortable iterating on this spec, explaining trade-offs in plain English, and refining the design before any build begins. Looking forward to the next revision and technical discussion.
$35,000 USD in 16 days
7.4
7.4

Hello, I came across your project UPDATED - Cloud-Based Vehicle Export Management System (Database + Dashboard) -- 2, and it immediately caught my attention because it’s exactly the kind of work I specialize in. With 100+ successful projects and consistent 5-star reviews, I’ve helped businesses build professional websites that are modern, fast, and user-friendly. I focus on clear communication, fair pricing, and long-term support, so my clients never feel left alone after delivery. Start a chat with me. I’d love to learn more about your specific goals for this project. :) The portfolio will be shared via chat.
$3,000 USD in 7 days
6.3
6.3

With over a decade of experience in implementing and optimizing ERP systems, I am undoubtedly the ideal candidate for your Cloud-Based Vehicle Export Management project. I specialize in tailoring cloud-native solutions to drive automation, scalability, and security, which aligns perfectly with your requirements. My proficiency in Azure, Cloud Computing, MySQL, and PostgreSQL will enable me to create a robust and fully-normalized relational database that can comfortably handle 100k+ rows, 10000 records per year. Let's connect now over chat to discuss details.
$5,000 USD in 20 days
6.4
6.4

Thank you for the detailed RFP. This is exactly the type of platform where database integrity, automation rules, auditability, and indexing strategy matter more than UI polish, and I’m very comfortable designing systems like this for real operational use by non-IT staff. A light sample of the kind of vehicle inventory schema I’ve built before includes a core Vehicle table keyed by chassis number, a Document metadata module with immutable versioning for re-uploads, effective-dated Country Tariff pricing tables, and a strict Audit Log capturing who changed what, when, and from which IP. This structure maps directly to your Full Stock and Document Management requirements while keeping the database fully normalized and dashboard-ready with composite indexes like (Country, Yard, Status). For VIN decoding, I can integrate with whichever provider you select, storing all tokens in the cloud secret manager and enforcing server-side access only. If helpful, I can provide a Day-1 schema pack and data dictionary template aligned to your dashboard filters, pricing history audit needs, and future module expansion. Best Alex
$4,000 USD in 25 days
6.1
6.1

Hello, I’m excited about the opportunity to contribute to your cloud-native, single-tenant vehicle inventory platform and help you hit the operational target of reducing keystrokes per vehicle while keeping pricing and document statuses fully automated and auditable. With my background designing normalized PostgreSQL systems for high-concurrency dashboards and export-heavy workflows, I can deliver a schema and API layer that fits your module structure, uses JSONB where it makes sense for questionnaire/snapshots, and enforces strict types, indexed lookups, effective-dated tariffs, and immutable audit history for GDPR and operational traceability. I’ll align the implementation to your portability requirement by using infrastructure-as-code and clean separation between database, object storage metadata, and app services, with PgBouncer, partitioning readiness, and a replica strategy that keeps BI/reporting from impacting transactional performance. You can expect clear communication, pragmatic architecture choices, and a production-grade foundation with consistent naming conventions, a clean data dictionary template, and a deployment plan that can run on AWS, Azure, or GCP without code changes. Best regards, Juan
$3,000 USD in 7 days
5.4
5.4

With over 9 years of experience in web and mobile development, I am confident that I have the skills and expertise to create and manage your cloud-based vehicle export management system. MySQL and PHP are my forte, enabling me not only to design robust schemas but also to ensure a secure and efficient flow of data - essential for a project of this magnitude. My proficiency in E-commerce and CMS based websites guarantees a system that is even operable by non-IT staff, without compromising data integrity or security. I understand the enormity of the task at hand; reducing manual keystrokes, automating Maker, Model, Year, Fee and Document status lookups, while ensuring portability across AWS, Azure or GCP without code changes. Not only can I provide this in a cost-effective manner with Plugins designed to these specifications following GDPR regulations effectively. Furthermore, my agency's benefits can't be overlooked. Cheap domain and hosting services coupled with 3 months of free after-delivery support ensure seamless operations long after project completion. Plus Unlike most freelancers who work in isolation on projects of this nature,I lead a team of well-knit professionals that collaborate efficiently- making sure no base is left uncovered.I can't wait to embark on this exciting project with you!
$4,000 USD in 7 days
5.5
5.5

As an experienced professional with over 15 years in the technical field, I am confident in my ability to deliver the cloud-based vehicle export management system you need. I have extensive knowledge and hands-on experience with MySQL and PHP, which are perfectly suited for developing a robust relational database and a user-friendly dashboard that can handle high-concurrency demands. Using this system, you'll be able to automate labor-intensive tasks like carrying out regular daily inserts or filtering data for Excel/PDF exports. My approach will help reduce keystrokes per vehicle by an impressive margin, minimizing any potential for human error and resulting pricing inconsistencies. I will build a clean and well-optimized database schema that's fully normaised, fast, scalable, and ready (and highly optimized) for tens of thousands of records (or even more) per year. Moreover, as an AWS-certified Solutions Architect and Azure/GCP savvy, I can ensure your project's requisite portability across these three major cloud platforms without the burden of code changes. In addition to this tremendous flexibility in hosting providers, my solution will include role-based access control to meet GDPR/local regulations with ease while ensuring your non-IT staff is comfortable using the system.
$4,000 USD in 10 days
5.5
5.5

Hello, I have reviewed the details of your project. i will execute this project as a single tenant cloud platform using postgresql for the relational data and a web app with react and node js. the database will enforce strict data types indexes and pricing formulas so vehicle records stay clean and auditable as volume grows. vehicle entry will focus on automation. chassis numbers validate on input and trigger a vin decoder to auto fill maker model year and engine fields. country tariff tables auto fill fees and calculate totals instantly which cuts manual entry down to only the fields that truly need user input. documents invoices and bookings will store files in object storage with metadata only in the database. every upload creates a new version for audit. dashboards and reports read from indexed views so filtering and exports stay fast even with many users. role based access limits data by country and logs every change with user and timestamp. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$4,000 USD in 7 days
5.3
5.3

Hey Mate I’ve reviewed your requirements in detail and I’m confident I can deliver this. I’ve already built similar cloud-native, data-heavy inventory and operations platforms with automated pricing, document workflows, dashboards, and strict audit/compliance needs very close to what you’re describing here. What I Can Do Best for You 1. Design and implement a single-tenant, relational, cloud-portable platform (AWS/Azure/GCP) handling 100k+ rows, high-concurrency reads, and daily writes. 2. Build the Full Stock master inventory with VIN/chassis automation, cascading lookups, locked formulas, effective-dated pricing rules, and real-time recalculation 3. Implement document management with object storage (S3 / Blob / GCS), versioning, audit trails, and zero BLOBs in DB 4. Deliver invoicing, bookings, shipments, and country stock reporting with fast Excel/PDF exports and materialized views 5. Provide real-time dashboards, KPIs, and automation to cut data entry from ~180 to <20 keystrokes I am able to implement Clean, fully normalized PostgreSQL schema with future-proof partitioning Automation via event-driven workflows (NOTIFY / pub-sub, scheduled jobs) Infrastructure as code (Terraform/Bicep) + CI/CD with safe DB migrations Vendor-neutral architectureno cloud lock-in I can share sample inventory/vehicle schemas, preferred cloud setup, RDS tier recommendation, naming conventions, and VIN/chassis decoder experience upfront before any schema work begins. Lets Connect! Anks
$4,000 USD in 7 days
5.4
5.4

Hello, I am confident that I can deliver a cloud-based vehicle export management system that meets your detailed requirements. With over 10 years of experience in database development, I have successfully implemented scalable solutions that manage large datasets, ensuring high concurrency for dashboards and quick reporting. I specialize in PostgreSQL and have a solid understanding of cloud architectures across AWS, Azure, and GCP, which allows me to tailor the system for seamless operation in your preferred environment. My approach includes optimizing the database for low-latency reads and writes while automating many of your outlined processes to reduce manual input significantly. I am excited to discuss this project further and can prepare a preliminary plan within a week. Thanks, Volodymyr
$4,500 USD in 7 days
4.6
4.6

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional cloud based vehicle updating services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival
$3,000 USD in 30 days
4.8
4.8

Dear Hiring Team, I am excited about the opportunity to work on the Cloud-Based Vehicle Export Management System project. With over 8 years of experience in web and mobile application development, I have a strong background in database design and dashboard creation. I have successfully implemented similar projects in the past, ensuring data integrity, security, and scalability. I am confident in my ability to deliver a cloud-native platform that meets your objectives of reducing manual keystrokes and automating lookup processes. My expertise in relational database design, role-based access control, automation, and security align well with the requirements outlined in the project description. I have experience working with PostgreSQL and have developed complex inventory management systems with robust reporting capabilities. I am well-versed in cloud deployment strategies and CI/CD pipelines, ensuring smooth and efficient project delivery. I look forward to further discussing your project requirements and collaborating on this exciting venture. Thank you for considering my proposal. Best regards,
$3,000 USD in 7 days
4.5
4.5

Hi, I can build your cloud-based Vehicle Export Management System with PostgreSQL and a high-concurrency admin dashboard, covering inventory, document management, invoicing, shipments, reporting, and cash-flow tracking. The system will automate VIN/chassis decoding, pricing rules, tariffs, and document status rollups to reduce per-vehicle data entry to under 20 actions. Quick questions for alignment: 1. Which cloud and region should we use? 2. Do you already have a VIN/chassis decoder API, or should I propose one? Happy to jump on a quick call or chat to finalize scope and milestones.
$3,500 USD in 7 days
4.3
4.3

Hello there, I reviewed your project UPDATED - Cloud-Based Vehicle Export Management System (Database + Dashboard) -- 2 and understood the requirements at a high level. I focus on delivering clear, stable, and maintainable solutions aligned with the actual scope, I can work with PHP, Cloud Computing, Software Architecture and follow a clean development process with proper structure and error handling. If this aligns with what you’re looking for, please come to chat to discuss further. Best regards
$3,000 USD in 7 days
4.7
4.7

Hi, I am senior web app developer with 7 years of experience in Software Architecture, Azure, PHP, UI / User Interface, Database Development, Database Design, PostgreSQL, MySQL, Cloud Computing and Data Management. I 've checked your project detail and understood what you want. I can also support both app design and development. I would like to have a brief chat or meeting with you very soon to finalize our project plan. Thank you Kashif.
$3,000 USD in 3 days
0.0
0.0

Hello, With extensive experience in designing cloud-native databases for complex vehicle and inventory management, I am confident in delivering a scalable solution perfectly tailored to your needs. I will automate key data entries, ensure high security and compliance, and build flexible, high-performance dashboards. Given the scope and detailed requirements, what are your preferred cloud providers and any existing API tokens or integrations that should be prioritized during initial setup? Thanks,
$3,500 USD in 15 days
0.0
0.0

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