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I’m ready to build a Windows-compatible application that lets me drop in raw Propwire or Propstream exports (currently CSV only) and receive a clean, research-ready dataset. Once imported, the data should automatically sort by Zip code while still keeping key fields—parcel number, owner name, current deed, encumbrances, length of ownership, property-tax status, and any municipal code violations—readily filterable. The core of the job is an algorithm that applies my own grading rules and assigns every record a numbered score. When I open a property profile I want a “deep dive” view that compiles all of the above details plus up-to-date contact information for the current owner in one place. Deliverables I need to see: • Import module that accepts Propwire/Propstream CSV files without manual cleanup • Data engine that stores, indexes, and lets me query by Zip code and all other key fields listed above • Customizable grading algorithm with an easy way for me to tweak the weight of each factor • Property profile screen or report that aggregates the graded score, full data points, and owner contact details • Clear install package (or single-file EXE) that runs smoothly on Windows 10/11 Acceptance criteria: The application must process at least 10,000 rows in a single import without crashing, display graded results in under 30 seconds, and allow me to export any filtered view back to CSV. An internal log or UI message should flag records missing critical fields so I can correct source data quickly. I’m open to whatever stack you feel is most efficient—Python with Pandas and a lightweight SQLite back end, C# and .NET with Entity Framework, or another approach—as long as it meets the speed and usability targets above. Let me know how you’d architect it and how long you’ll need for an MVP I can start testing.
Project ID: 40697338
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107 freelancers are bidding on average $34 USD/hour for this job

A Warm Hello! We are readily available to start working on this project!! We’d be excited to build this Windows-compatible property data processing and grading application for you. Our team has experience developing data-heavy desktop applications, CSV processing pipelines, custom scoring engines, searchable databases, and reporting interfaces, and we can deliver this as a reliable MVP that is ready for real-world testing. The application will: * Import Propwire/Propstream CSV files without requiring manual cleanup * Process 10,000+ records reliably * Automatically organize/index records by ZIP code * Preserve and expose key property information such as parcel number, owner, deed information, encumbrances, ownership length, tax status, and municipal violations * Apply your custom property grading/scoring rules * Allow you to easily modify scoring weights * Provide a detailed property profile/deep-dive screen * Display current owner contact information where available from the supplied/authorized data sources * Flag missing or incomplete critical fields * Allow filtered datasets to be exported back to CSV * Run as a straightforward Windows application/EXE We’d be happy to discuss your exact grading rules, the structure of your current Propwire/Propstream exports, and how owner/contact information should be sourced. Once we review a representative CSV, we can finalize the architecture and provide a precise MVP timeline. We’re ready to get started. Regards Ana
$25 USD in 40 days
9.9
9.9

A Propwire/Propstream CSV drop that ends in a graded, filterable dataset is mostly a mapping and scoring problem, so I would build it as a .NET desktop app with SQLite underneath. The importer normalises headers into a fixed schema, flags rows missing parcel number, owner or deed data in a load report, and indexes on zip plus the key fields so 10,000 rows filter instantly. Grading rules live in an editable config, weights per factor, recalculable without a rebuild, feeding the deep dive profile and CSV export of any filtered view. I built Boostifai, an AI SEO platform doing scored analysis over large content datasets, so the weighting and re-scoring pattern is familiar. Where should owner contact information come from, an enrichment API you already pay for, or only the columns present in the export?
$30 USD in 25 days
8.5
8.5

I am a software developer with extensive experience in building custom applications, particularly in data processing and analysis. I can effectively leverage my skills in Python, Pandas, C#, and .NET to deliver a robust, Windows-compatible application for the AREM Group. My track record includes designing applications that handle large datasets efficiently and suit specific business needs. In previous projects, I have successfully integrated CSV import modules that require no manual preparation, and developed sophisticated algorithms for data sorting and scoring. For this project, I can architect a solution utilizing a combination of Python for data manipulation and a SQLite database for efficient storage and querying. Alternatively, I can utilize C# and .NET utilizing Entity Framework to ensure high performance standards. I understand the importance of creating a user-friendly interface that aggregates graded property profiles, complete with contact information. I am eager to discuss how I can tailor my approach to best suit your project’s requirements. Could you please share more details about your preferred grading rules and timeframe expectations?
$25 USD in 40 days
8.4
8.4

Hi — Elias here from Miami. I see you’re looking to build a Windows-compatible application for processing raw Propwire or Propstream data. The goal is clear: to streamline your data handling and make it more efficient. What usually matters most here is ensuring that the application can handle large datasets without sacrificing performance. A common issue in systems like this is managing the data flow and ensuring reliability during processing. The tricky part is usually figuring out how to integrate various data sources while maintaining a clean structure. My approach would involve establishing a solid architecture using Python and .NET, focusing on maintainability and scalability. I would utilize SQLite for efficient data management and ensure that the application is easy to update as needs evolve. I’ve worked on similar data processing applications, so I understand the importance of a stable foundation. A few questions to better understand the scope: Q1 – What specific data formats do you expect to process from Propwire or Propstream? Q2 – Are there specific user roles or permissions that need to be incorporated into the application? Q3 – What kind of performance metrics are you looking to achieve with this application? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 7 days
8.0
8.0

Hello Sir, I would be delighted to create a demo of the Windows-compatible application that processes your raw Propwire or Propstream exports before you make any commitment. This solution will not only automate data import and sorting but also ensure that your property profiles are comprehensive and easily filterable, enhancing data accessibility and usability. Let’s discuss how I can tailor this application to your specific needs and schedule a time for a detailed plan and demo. Regards, Smith
$38 USD in 40 days
7.1
7.1

Hello!, I am a US-based senior software engineer and I can build this Windows-compatible tool so you can drop in raw Propwire or Propstream data and turn it into a clean REAL PROPERTY INTELLIGENCE REPORT. The main pain point here is not just importing data, but cleaning it, organizing it, and making the output reliable enough to use every time. I’d handle it in 3 simple phases: 1) import and validate the raw files 2) map, clean, and store the data in SQLite 3) generate the final report with testing for Windows compatibility I’m very detail-oriented with data projects, especially where file structure, edge cases, and report accuracy matter. That’s usually what separates a quick script from something actually useful. Relevant work: - internal property analytics dashboard - CSV to SQLite automation tool - Windows data cleanup utility for lead files - desktop reporting app for batch processing Could you please clarify the following questions to help me better understand the project? 1) What input format should I support first: CSV, XLSX, or raw text? 2) Do you already have a sample of the final report format? 3) Should this handle one file at a time or batch processing? If you want a serious build approach, I’d be glad to keep it lean and practical. James Zappi
$50 USD in 10 days
6.7
6.7

Hello, We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Python, .NET, Data Processing, C# Programming, Software Testing, Software Development, SQLite, Data Analysis, Database Management, Pandas and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD in 5 days
7.7
7.7

HEY I WILL TURN RAW PROPWIRE/PROPSTREAM DATA INTO A FAST, RESEARCH-READY PROPERTY INTELLIGENCE TOOL. I understand you don’t simply need a CSV importer—you need a Windows application that removes manual cleanup, intelligently grades 10,000+ properties, and makes every record actionable from one deep-dive profile. I have 12 years of IT experience and have worked on similar data-processing and property research systems involving CSV automation, data validation, scoring engines, searchable databases, filtering, and reporting. My approach includes: • Automatic Propwire/Propstream CSV import, mapping and cleanup • Indexed database for fast 10K+ record processing • Zip, parcel, owner, deed, encumbrance, tax and violation filters • Customizable weighted grading algorithm • Property profile with complete data and owner contact details • Missing-field validation/logging and filtered CSV export • Smooth Windows 10/11 EXE deployment I’ll focus on speed, accuracy, usability, and making the grading rules easy to adjust as your research strategy evolves. I’d be happy to discuss the workflow and MVP architecture on a quick call. THANKS CHRISTINA
$25 USD in 40 days
6.3
6.3

The key to this application is normalizing Propwire and Propstream exports before scoring them, so changes in column names or missing fields do not break the workflow. I recommend C#/.NET 8 with a Windows desktop UI and SQLite. Imports would use bulk processing, indexed fields and a configurable scoring engine so 10,000+ records can be filtered and graded quickly without requiring Excel or manual cleanup. I would also make each score explainable: the property profile can show which grading factors contributed to the final number, while missing critical fields are flagged during import. My background includes database-backed applications, data processing, APIs and backend automation. If owner contact data requires enrichment beyond the supplied CSV, I can integrate an authorized provider through a separate API layer. Rate: $40/hour. Initial MVP: 32 hours over 7 working days. I can start immediately after award.
$40 USD in 40 days
5.8
5.8

Hi, I can develop the MVP using Python, Pandas, and SQLite, providing a lightweight and reliable Windows application. I’ll implement the CSV import and validation, indexed property database, customizable scoring engine, property deep-dive profiles, missing-data checks, filtering, and CSV export. The application will be optimized to handle 10,000+ records efficiently and packaged as a Windows EXE for Windows 10/11. For the owner contact information, I can integrate the appropriate data source/API once the preferred provider is confirmed. Estimated MVP timeline: 1-2 weeks. I’m available to start immediately.
$35 USD in 40 days
5.9
5.9

With nearly a decade of professional programming experience, I am confident that I can meet and exceed your expectations for this real property intelligence report application. My expertise in .NET and Python, paired with my deep understanding of data analysis and management, makes me exceptionally suitable for this project. Throughout my career, I've developed robust applications that process large datasets smoothly while delivering results within seconds, ensuring scalability as your needs grow. In addition to my technical skills, I bring a unique blend of being detail-oriented with a comprehensive understanding of business operations. This allows me to understand your specific requirements and develop a tailored solution that aligns with your grading system. My team at SoftwareLinkers follows an agile approach, meaning that we regularly update you on the progress made and seek your feedback to ensure that we are meeting your needs. Lastly, as cliché as it might sound, my commitment to your success goes beyond just delivering code; I'm focused on providing you with an intuitive and user-friendly software package that meets all acceptance criteria. You can count on my full stack expertise throughout the project lifecycle: from planning and design to deployment and long-term support. Let's together build a valuable tool that will give you insights into real estate information like never before.
$50 USD in 40 days
6.1
6.1

The part that will matter most here isn't parsing CSVs - it's making sure your grading engine stays fast and predictable when you drop in 10,000+ Propwire/Propstream rows with messy fields, inconsistent owner data, and occasional missing parcels. If the import and indexing layer isn't designed cleanly, the scoring step will bottleneck and the profile view will feel sluggish. I've built data‑heavy tools where the key was treating ingestion, normalization, and scoring as separate pipelines. For this project I'd structure it around a local SQLite store with indexed columns for Zip, parcel number, ownership length, tax status, violations, and deed info. A preprocessing step would clean and standardize fields before they ever hit the grading algorithm. The scoring engine itself would be modular: each factor as a weighted function you can tweak without touching the core code. I'd start by defining the import schema and mapping Propwire/Propstream fields to internal types, then build the query layer so filters return results instantly. One early risk is geocoding or owner‑contact lookups slowing down the UI - those should run asynchronously and cache results so the profile screen loads immediately. A few questions to align: 1. Do you already have the grading rules documented, or should I help formalize them into weighted factors? 2. For owner contact info, do you want local enrichment only or external API lookups? Juan Pablo
$30 USD in 40 days
5.5
5.5

With my technical expertise in .NET, C# Programming, Data Analysis and Database Management, I am well-positioned to develop the Windows-compatible application you need for your Real Property Intelligence Report. To ensure the utmost data reliability, I propose using SQLite as the backend in conjunction with your preferred language, Python. This will enable smooth processing of raw CSV files without compromising on performance or flexibility. Drawing from my extensive experience in AI automation and data scraping, I'll architect an algorithm that perfectly aligns with your grading rules while offering customizable options for tweaking factor weights according to your needs. As usability is a priority, I'll design an intuitive property profile screen that provides a deep dive into all the necessary details including up-to-date contact information for owners. I understand that your project's core requirements are speed, scalability, and practicality. My past clients appreciate my strong grasp of technology and business operations which translates into solutions that not only meet technical requirements but also add strategic value to their businesses. Opting for me means choosing clear communication, attention to detail, fast turnaround and long-term support - all critical factors for the successful execution of your ambitious project. Let's keep real estate intelligence at the forefront together!
$38 USD in 40 days
5.6
5.6

I’m a Python developer with 6+ years of experience building data-processing tools, desktop applications, CSV automation, and database-driven systems. For this MVP, I’d recommend Python + Pandas + SQLite with a lightweight Windows GUI. I would keep the CSV import/normalization pipeline separate from the grading engine, so your scoring rules and factor weights can be changed easily without modifying the core data processing. SQLite indexes will allow fast Zip-code and field-based filtering, while Pandas can efficiently process 10,000+ records in a single import. The application can include: • Propwire/Propstream CSV import with automatic column mapping/cleanup • Indexed SQLite data engine • Custom weighted scoring system • Property profile/deep-dive view • Missing-field/error logging • Filtered CSV export • Windows 10/11 EXE installer or single-file executable For owner contact information, I can integrate publicly available/authorized data sources once you specify the preferred source or API. Please provide sample Propwire and Propstream CSV exports so I can verify their exact column structures and variations before finalizing the architecture and MVP timeline. Best regards, Rajaoul Haque Mahi
$25 USD in 40 days
5.2
5.2

The core constraint is building a Windows-compatible application, so I'll use Python and the Tkinter library for the GUI, which is standard on Windows and allows for a native look and feel. You want to drop in raw Propwire or Propstream CSV exports and get a clean, research-ready dataset, so the import module will parse these files, cleaning them up. The data will automatically sort by Zip code on import, and I'll ensure parcel number, owner name, current deed, encumbrances, length of ownership, property-tax status, and municipal code violations are readily filterable. I'll build the grading algorithm using Python, taking your grading rules to assign a numbered score to each record, and the "deep dive" view will compile all specified details plus owner contact information. Instead of building a custom contact lookup, I will integrate a third-party API for owner contact information to get the most up-to-date data efficiently, which directly supports your goal of having accurate contact details in the deep dive view. What is the exact format of the municipal code violations field in the CSV exports? I have a 5.0 rating across 10 reviews on here, and Preferred Freelancer status. Let's schedule a short call on Freelancer to settle the scope, covering the import module specifics and the grading algorithm's input parameters.
$41 USD in 7 days
5.3
5.3

I've built similar property data processing tools before, so this is right in my wheelhouse. I'll use Python with Pandas for the import/cleanup, SQLite for the data engine, and PyQt for the UI. The grading algorithm will be a configurable JSON-based ruleset. The app will process 10K+ rows in under 30 seconds by batching imports and using indexed queries. I'll package it as a single EXE with PyInstaller. Validation will include field checks and a status bar. I can start immediately. Thanks, Andrii.
$37.50 USD in 40 days
4.9
4.9

I understand you need a robust Windows application to process raw Propwire/Propstream CSV exports into a research-ready dataset, similar to the automated data structuring and filtering capabilities you’d expect from a specialized real estate intelligence platform. My experience developing data processing and analysis tools for complex datasets directly aligns with this requirement. My approach will involve building a C#/.NET application leveraging the powerful .NET Framework for Windows compatibility. Data ingestion will be handled by a robust CSV parser, ensuring accurate import of all specified fields. For sorting and filtering, I'll implement efficient data structures and algorithms, likely utilizing LINQ for rapid querying and manipulation. The core grading algorithm will be developed as a modular component, allowing for easy modification of your grading rules. The "deep dive" property profile view will be designed using WPF for a responsive and intuitive user interface, displaying all relevant details and the calculated score clearly. To ensure we're perfectly aligned, could you elaborate on the specific types of municipal code violations you anticipate encountering and how you envision their impact on the grading score? Also, are there any existing data validation rules you'd like to incorporate during the import process? I’m confident I can deliver a high-quality solution. Let’s schedule a brief call to discuss your vision further.
$42 USD in 7 days
4.7
4.7

==== Hi - Truong here ==== "REAL PROPERTY INTELLIGENCE REPORT" — you need 10,000+ property records imported, graded, searchable, and exportable without slowing down. I’d use Python, Pandas, and SQLite for the MVP, with batch CSV processing and indexed fields for ZIP, parcel, owner, tax, liens, and violations. The grading rules would live in a simple configuration layer so weights can be changed without rewriting the data engine. I’d also build missing-field logging and a property deep-dive screen around the same dataset. Do you already have the exact grading rules and sample Propwire/Propstream CSVs available? Looking forward to work with you.
$30 USD in 40 days
4.4
4.4

As an experienced Web and Mobile App Developer, I believe my full-stack development skills and technical prowess effectively align with your project's needs. Having successfully delivered over 416 projects, primarily in the domains of Real Estate and Data Analysis, I've procured an unparalelled understanding of the global property industry. My familiarity with Windows OS and SQL databases perfectly coincides with your requirements. To accomplish the given task seamlessly, I propose a Python-based architecture utilizing Pandas for data manipulation and SQLite for reliable storage and query operations. My 14 years of expertise in Software Development entails not just building applications but creating solutions that enhance usability. For instance, I'll design an algorithm to grade every record based on your custom rules allowing you to effortlessly adjust factor weights as needed. My main aim is to provide you with an MVP in minimal time but without compromising quality. As your app must process at least 10,000 rows in a single import without crashing and display graded results within seconds, I assure you I'll meet these stringent criteria before establishing final deliverables. With me on board, expect a smooth installation package on Windows 10/11 containing everything you'd need for an efficient property analysis tool.
$25 USD in 40 days
4.3
4.3

Hello, After reviewing your project requirements, I understand you need a Windows desktop application that can import Propwire/Propstream CSV data, process large datasets, apply custom scoring rules, and provide searchable property profiles with export capabilities. I have experience with data processing, database-driven applications, Python automation, and building tools that transform raw data into structured, usable information. For this project, the key challenge is designing an efficient data pipeline that can handle 10,000+ records while keeping searches, filtering, and scoring fast. My approach: • Build a CSV import system with validation and missing-field detection. • Use Python + Pandas with SQLite (or an optimized .NET/C# solution) for fast indexing and querying. • Create a configurable grading engine where weights can be adjusted easily. • Develop a property profile dashboard with scoring, ownership details, and CSV export. • Package the application as a Windows-ready installer/EXE. A few questions: • Do you already have the exact grading formula/rules, or should the system include a settings panel to define weights? • Should owner contact information be imported from your data source or connected through an external API? I can help build a reliable MVP focused on speed, accuracy, and easy daily use. Best regards, Carlos.
$25 USD in 40 days
4.8
4.8

Tempe, United States
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