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My commercial-real-estate finance platform is live on Replit in a closed beta. Before we open the doors, I need a detail-oriented developer / tester to give the build a final polish, stress-test critical workflows, and wire the data into HubSpot so every loan request lands in my pipeline automatically. The core focus is the loan-processing backend. I want you to probe every step—from borrower intake through automated underwriting logic—looking for bottlenecks, calculation errors, or security holes. When you spot an issue, patch it (or propose the fix if it touches business logic) and document what was changed. Once the engine is solid, connect the site to HubSpot. I already have the API keys; what I need is reliable two-way sync so new submissions create deals, status updates flow back to borrowers, and contact records stay aligned without duplicates. Deliverables • Comprehensive bug/edge-case report and corresponding code fixes • Optimized backend loan-processing routines, committed to the existing Replit repo • HubSpot integration script or middleware with clear mapping for deals, contacts, and custom fields • A short hand-off note explaining how to redeploy and maintain the sync Acceptance criteria: zero critical bugs reproducible after your pass, loan files load in under two seconds, and every new application appears in HubSpot with correct field data. If you thrive on squeezing the last 10% of quality out of a product and enjoy API work, let’s get started.
Project ID: 40302072
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131 freelancers are bidding on average $491 USD for this job

Hello! I read through your requirement and it’s an interesting project. Performing final QA, backend optimization, and HubSpot integration for your CRE finance platform on Replit is something I can help with. For a project like this, I would start by reviewing the loan-processing workflow from borrower intake through underwriting logic to identify bugs, performance issues, and potential security gaps. The work can include: • End-to-end QA testing of the loan application and underwriting workflows • Identifying and fixing calculation errors, bottlenecks, and edge cases • Optimizing backend processing routines to ensure fast response times • Implementing HubSpot API integration for deals, contacts, and custom fields • Ensuring two-way sync so status updates and borrower data remain consistent • Providing documentation and deployment notes for maintaining the integration This will ensure the platform is stable, secure, and ready to move from closed beta to launch. Quick question: is the backend currently built with Node.js on Replit, or another framework? Best regards, Jasmin
$500 USD in 7 days
9.4
9.4

Hi there, I’m Muhammad Awais and I’ll be your hands-on tester and backend finisher for the Replit CRE Finance site. I’ll start with a detailed audit of the loan-processing flow, from borrower intake and automated underwriting to final funding signals. I’ll identify bottlenecks, miscalculations, and security gaps, patch issues where fixes are straightforward and note business-logic changes when needed. All changes will be documented with clear before/after notes and tests to ensure reproducibility. Plan of action: (1) stabilize and harden the core loan engine, with performance profiling to meet sub-2-second loan-loads. (2) implement robust input validation, error handling, and security checks at every step. (3) implement a reliable HubSpot sync layer: two-way, deduplicated contacts, deals, and custom fields, with explicit field mappings and retry logic. (4) deliver a compact hand-off note that explains redeploy and ongoing maintenance and provide a drop-in script to redeploy the HubSpot integration. Deliverables will include a comprehensive bug/edge-case report with code fixes, optimized backend routines committed to the Replit repo, a HubSpot integration script with clear mappings, and the hand-off note. I’ll ensure no critical bugs remain, loan files load under two seconds, and every new application creates a HubSpot deal with accurate data. What HubSpot mappings and two-way sync requirements do you want for deals, contacts, and custom fields to ensure data stays in sync
$750 USD in 14 days
9.3
9.3

⭐⭐⭐⭐⭐ Conduct end-to-end testing of the loan-processing backend on Replit, simulating borrower intake and automated underwriting to identify bottlenecks, calculation errors, and security vulnerabilities. Apply precise code fixes for any issues found, document all changes, and optimize backend routines to ensure loan files load in under two seconds. Develop and implement HubSpot integration middleware, mapping deals, contacts, and custom fields to maintain accurate two-way sync without duplicates. Validate all workflows, ensuring new loan submissions create deals in HubSpot, status updates reflect to borrowers, and contact records remain aligned. Generate a comprehensive bug and edge-case report with corresponding fixes, plus a concise hand-off note for redeploying and maintaining the integration. Leverage CnELIndia’s expertise in PHP, JavaScript, backend optimization, and CRM integration to streamline the testing and integration process. Utilize Raman Ladhani’s experience in API workflows and data management to ensure robust, reliable, and secure end-to-end performance.
$500 USD in 7 days
9.1
9.1

Hi, Asad here, a seasoned developer and meticulous tester with an in-depth understanding of API integrations and backend development. I have extensively worked on tasks similar to what your project demands, providing website speed optimization, ensuring security, and achieving seamless data management. Your Replit CRE Finance site QA & CRM undoubtedly intrigues me, as it aligns with the very areas I specialize in. With a firm grasp on HubSpot's API and my penchant for quality, I guarantee you that not only will your build undergo rigorous stress-testing to eliminate any bottlenecks or calculation errors but also that every loan request would seamlessly weave into your pipeline, thanks to our two-way HubSpot sync. Having deployed various e-commerce solutions including "virtual storefronts" to ensure secure transactions, I fully appreciate the significance of precise loan-processing logic and the need for foolproof security in sensitive transactions like those involved with loans. Additionally, my expertise in HTML5, CSS3, Ajax, jQuery coupled with experience in LAMP & MERN stacks paves way for adept client-side programming allowing smooth front-end functionalities on your platform. So let me extend my 30-Day Guarantee: zero critical bugs reproducible after my quality-assurance stint using meticulous testing methodologies and accelerated redundancy checks. A 'smooth' ? loan processing platform where each application is mapped cor Thanks!
$250 USD in 10 days
8.3
8.3

Hi , I understand your Replit CRE Finance platform needs a meticulous final QA and robust HubSpot CRM integration to streamline loan processing and data flow before launch. I'll thoroughly test borrower intake to underwriting logic, fix bugs, optimize backend workflows, and ensure loan files load swiftly. I'll develop a reliable two-way HubSpot sync that avoids duplicates and keeps deal and contact data aligned. My expertise in backend development and API integrations ensures a polished, efficient system ready for production. I propose completing this in 21 days with a detailed hand-off guide included. What specific loan-processing workflows or edge cases would you like me to prioritize during the QA phase? Best regards, Muhammad
$750 USD in 21 days
8.3
8.3

Hi, ➡️ I read your project description, and I understand that you need a meticulous developer to finalize your commercial-real-estate finance platform on Replit, conduct detailed QA, and integrate with HubSpot for efficient CRM functionalities. ⏺️ With over 12 years as a Full Stack Developer, I specialize in developing, testing, and integrating complex systems. My experience includes extensive API work and ensuring robust backend processes. Im adept at identifying and resolving errors, optimizing data flows, and implementing secure, efficient solutions. My approach will ensure that your platforms loan processing is seamless, and the HubSpot integration will effectively manage and synchronize your customer interactions. Regards, Aftab Ahmad Full Stack Developer (12 Years of experience)
$250 USD in 7 days
7.5
7.5

Hi, I see you need a detail-oriented pass to harden your Replit CRE finance platform: polish the loan-processing backend, fix bugs in borrower intake and underwriting logic, and wire reliable two-way sync with HubSpot so every application lands correctly. I have direct experience QA’ing PHP backends and implementing HubSpot integrations. I will: (1) run focused functional and stress tests on intake, underwriting, and security; (2) profile and optimize loan-processing routines to meet <2s load; (3) patch calculation/security issues or document proposed business-logic changes; (4) implement middleware for HubSpot sync with dedupe logic and field mappings; (5) commit fixes to your Replit repo and deliver deployment notes. Do you prefer HubSpot contact deduplication by email, phone, or a custom unique application ID, and can you provide a sample application JSON and your HubSpot API key scope? Best regards,
$650 USD in 15 days
7.0
7.0

Hello! I’m excited about the opportunity to contribute to your commercial-real-estate finance platform on Replit. With over 9 years of full-stack development experience, particularly in backend technologies like Laravel and PHP, as well as frontend frameworks including Vue.js and React.js, Smart Sols can provide thorough QA and CRM integration to ensure your platform’s stability and scalability before your official launch. We understand the critical nature of flawless user experience and data reliability in finance applications and will rigorously test the system, identify issues, and enhance the CRM functionalities tailored to your needs. We are confident in delivering a seamless and robust solution within a professional timeframe. Looking forward to discussing the project details and how we can support your success.
$750 USD in 10 days
6.9
6.9

Hi there Thanks for posting this exciting project. I checked your project carefully, I think I can complete your project within your needed timeline. I am super professional in PHP, JavaScript, Website Design, CRM, HTML, Backend Development, API Integration, Data Management Please ping , I am always online here Thanks Efanntyo -.
$250 USD in 10 days
6.8
6.8

Done this kind of backend audit + API integration work a fair bit. For the loan processing flow, I would systematically go through the calculation logic, edge cases on the underwriting, and any exposed endpoints. HubSpot API integration with proper deal/contact mapping and deduplication is straightforward - done it on a few projects. The Replit stack limits some optimization options (mostly Node-based there), but the loan processing speed target is definitely achievable without major refactoring if the bottleneck is what I think it is. Can you share what the stack looks like (backend framework, DB) so I can give you a more accurate scoping estimate? - Usama
$650 USD in 7 days
6.7
6.7

Hi There Your platform is close to launch, so the final step is making sure the loan workflow runs flawlessly and every submission reaches HubSpot without errors. I can thoroughly QA the borrower intake to underwriting process, identify calculation or performance issues, and optimize backend routines for faster processing. I also have experience with HubSpot API integrations to create deals, sync contacts, and prevent duplicate records automatically. Could you share which backend stack your Replit build is currently using for the loan processing logic? Best Regards Waqas Ahmad
$500 USD in 7 days
6.4
6.4

Hello Sir, I’d like to propose building a demo solution that showcases the potential enhancements to your CRE Finance platform, even before you commit. My expertise in QA and backend development can ensure that your loan-processing routines are optimized, secured, and seamlessly integrated with HubSpot for an efficient workflow. Let’s discuss how we can achieve zero critical bugs, optimize performance, and maintain synchronized data with ease; I'm eager to present a detailed plan and the demo. Regards, Smith
$500 USD in 7 days
6.5
6.5

Hello, I’ve gone through your project details, and this is something I can definitely help you with. With 10+ years of experience in backend development and API integration, I have worked extensively on projects requiring meticulous testing and optimization. My focus on clean architecture and attention to detail ensures that your loan processing will be robust, secure, and efficient. I'll conduct a thorough inspection of your loan-processing backend, identifying any bottlenecks or errors, and will provide documentation of all changes made for easy reference. Additionally, I have experience integrating systems with HubSpot, ensuring that all data flows seamlessly without duplications. Here’s my portfolio: https://www.freelancer.in/u/ixorawebmob. I’m keen to understand more about the specifics of your workflows to determine the best approach. Could you clarify: 1. Are there specific workflows or processes you want me to focus on during testing? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 USD in 25 days
7.1
7.1

Hello team, I see you're finalizing a closed beta for a commercial real estate finance platform and need airtight polish, stress-tested loan workflows, and a reliable HubSpot sync so every application becomes a solid deal. This is my speciality in turning complex financial workflows into dependable, auditable operations that drive faster decisions and clean CRM data. I'm Iosif Peterfi, 15+ years building web apps and CMS solutions across Europe. You can review my work here: https://www.freelancer.com/u/iosifpeterfi Approach: I'll deliver a comprehensive bug and edge-case report with fixes committed in the existing Replit repo, optimized backend loan-processing routines to meet the speed target, and a HubSpot integration script with clear field mappings and two-way synchronization. I'll also provide a short hand-off note with redeploy and maintenance steps. Risk reduction comes from a structured QA pass, performance checks, and a documented rollback plan. Business value: faster loan decisions, fewer errors, and an accurate CRM pipeline. Similar project story: Recently I helped a fintech lender tighten their loan intake and underwriting; the lead time dropped by more than half, and HubSpot syncing achieved exact field alignment with zero duplicates. Let's chat - I can walk you through my approach in 15 minutes. Portfolio: https://www.freelancer.com/u/iosifpeterfi
$4,200 USD in 21 days
6.6
6.6

Hi! I understand you need a final polish and stress-test of your commercial real estate finance platform on Replit, with particular focus on the loan-processing backend. I can: Audit every step of the borrower intake and underwriting logic, patch bugs, optimize performance, and document all changes. Identify and resolve bottlenecks, calculation errors, or security issues, ensuring loan files load in under two seconds. Integrate HubSpot via API so that new applications create deals, status updates sync back to borrowers, and contacts remain de-duplicated and fully aligned. Deliver a bug report, code fixes, and a clear hand-off guide for maintaining the integration. The goal is a fully polished, reliable platform with seamless backend operations and HubSpot sync, ready for your open beta. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
$600 USD in 7 days
6.6
6.6

Warm greetings! I specialize in refining web applications, performing thorough testing, and integrating backend systems with CRMs like HubSpot. With over 9 years of experience in PHP, JavaScript, backend development, and API integrations, I can ensure your commercial-real-estate finance platform runs flawlessly and syncs seamlessly with HubSpot. Here's how I can help: * Conduct detailed testing of your loan-processing backend, identifying and fixing bugs, edge cases, and performance bottlenecks * Optimize calculation routines and backend workflows to ensure submissions load under two seconds * Build reliable two-way HubSpot integration for deals, contacts, and custom fields, avoiding duplicates * Provide clear documentation and hand-off notes for ongoing maintenance Could you share whether your Replit project uses a particular framework (Laravel, plain PHP, Node) so I can plan the testing and integration approach effectively?
$500 USD in 7 days
6.0
6.0

I understand the need to make your loan-processing backend rock solid before launch. I’ll methodically test every step from borrower intake through underwriting, simulating edge cases and stress scenarios to catch bottlenecks, calculation errors, or weak spots. If something touches business logic, I’ll suggest a fix and document clearly what should change. For the HubSpot integration, I’ll set up a robust two-way sync that avoids duplicates and keeps deals, statuses, and contacts perfectly aligned. Since you already have the API keys, I’ll focus on mapping custom fields correctly and building a clean middleware that’s easy to maintain. To help me plan, can you share how the underwriting rules are currently coded—are they modular or hard-coded? Also, do you expect simultaneous loan requests that might cause race conditions? I’ve handled similar CRM syncs with real estate platforms involving complex workflows and quick backend responses. I’m ready to start testing, fixing, and building your HubSpot connection to hit zero critical bugs and keep loan files loading fast and in sync right away.
$500 USD in 7 days
6.1
6.1

Hi there, Regarding your commercial-real-estate finance platform, I've spotted an often-overlooked challenge: ensuring that loan-processing routines not only execute swiftly but also maintain data integrity across syncs with HubSpot. My approach ensures a seamless data flow and delivers operational efficiency with minimal latency. In a past project, I revamped an underwriting system that reduced processing time by 30%, enhancing user experience significantly. I include 30 days of post-deployment bug-fixing to guarantee smooth operation. Have you encountered any specific data discrepancies during your closed beta? Let's discuss how I can bring your platform to perfection.
$500 USD in 14 days
6.0
6.0

Hi, I came across your project "Replit CRE Finance Site QA & CRM" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, JavaScript, Website Design, HTML, API Integration, Backend Development, CRM. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$600 USD in 15 days
5.9
5.9

Hi there, I can help polish and QA your CRE finance platform on Replit, focusing on backend loan-processing and HubSpot integration. I will thoroughly test every workflow from borrower intake to automated underwriting to catch bottlenecks, calculation errors, or security gaps. Any issues found will be fixed directly or documented with recommended solutions, keeping all changes cleanly committed to your existing repo. Performance tuning will ensure loan files load in under two seconds consistently. I will implement reliable two-way HubSpot integration using your API keys, mapping deals, contacts, and custom fields accurately. Data sync will prevent duplicates and maintain alignment between your platform and HubSpot. Edge cases and minor bugs will be captured in a detailed report with corresponding fixes. The backend routines will be optimized for speed, security, and maintainability. I will provide a concise hand-off note covering how to redeploy and maintain the HubSpot sync. The result will be a polished, high-performing platform ready for beta launch without critical errors. All fixes will be documented and committed with clear messages in your Replit repository. I will ensure that user data, calculations, and API calls are secure and reliable. The project will conclude with a stable, maintainable system that meets your performance and integration goals. I’m ready to start and deliver a clean, fully functional backend with HubSpot sync. Best regards, Arijan K.
$300 USD in 5 days
5.7
5.7

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