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I am looking for a development partner to deliver a specific, well-defined feature (detailed in Sections 4–6), and ongoing relationship covering infrastructure maintenance and continued application development. This document is both a technical brief and a request for proposal. After reading it, we need you to come back to us with two things: confirmation that you (or your team) have the skills and experience to deliver this work, and a price and timeline for doing so. About This Engagement The product is a property monitoring platform: sensors installed in a property (temperature, humidity) feed a data pipeline that assesses damp, mould, and thermal risk, and generates reports for landlords and tenants. The work described here adds a new UI-driven workflow for triggering those reports, and modernises how the underlying analysis pipeline runs. This brief covers two pieces of scoped work, plus context on how we intend to structure a longer-term relationship if this initial work goes well. How We Structure Work With Development Partners We split responsibility across three tiers. This matters for how you scope and staff this work, and for what access you should expect to be given. Tier 1 — Infrastructure Hygiene Full, ongoing access. This is the kind of work we'd expect a partner to own on a continuing basis: • Security patching, IAM review, AWS service upgrades • Backup, migration, and archive processes • Cost optimisation and monitoring • Installation and tuning of a DuckDB database (~29 million records) — a near-term piece of work in its own right that will have a ticket defined soon Tier 2 — API & Application Development Full access to the frontend and backend codebases, delivered against a stable, versioned data contract (Section 7) rather than needing access to our core analysis pipeline's source code: • React UI components and screens • Go API endpoints and services • Integration with DynamoDB and our SQL database via defined interfaces • Triggering the analysis pipeline via an agreed event schema (SQS/EventBridge) — not by reading or modifying its source Tier 3 — Core Analysis Pipeline (restricted) Our Python data-processing pipeline is the core IP of the business. Access to it is deliberately restricted: • Held in a private, separate repository, access limited to a small number of people • Any work that touches this pipeline is done under an NDA and IP-assignment agreement, and code is delivered as a build artifact via CI/CD wherever possible, rather than through standing repository access • One of the two pieces of work in this brief does require direct access to this code, under those terms — this is the exception, not the norm, for the ongoing relationship We're flagging this structure upfront because it affects staffing and process, not because we expect friction over it. Technical Environment For context when scoping — happy to go deeper on any of this in a follow-up call: • Frontend: React • Backend: Go • Data storage: SQL database (storing of raw sensor data) and DynamoDB (processed raw data: home/account/sensor objects) • Infrastructure: AWS — Lambda, SQS/EventBridge, S3, plus standard IAM/networking • Analysis pipeline: Python (pandas-based), currently ~20 sequential processing stages, historically run as a script and now being migrated to run as a Lambda function • Source control: GitHub — some repositories are private and access-controlled per the tiers above • Near-term addition/product development: a DuckDB database holding approximately 29 million records and 100 data points per record. It is a set of data that predicts outcomes and retrofit opportunities for homes across the uk. It will need a UI and perhaps be a new business with new website.
Project ID: 40638774
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281 freelancers are bidding on average £3,776 GBP for this job

Hi, I’ve read the brief carefully and yes, this sits well within our team’s experience. We work across React, Go, Python, AWS Lambda, SQS/EventBridge, DynamoDB, SQL, and GitHub-based delivery workflows, so the split between UI/API ownership and restricted pipeline access makes complete sense. The reporting trigger workflow and pipeline modernization are both very doable from our end, and we can also support the ongoing infrastructure hygiene side after this phase. Happy to discuss the delivery approach and phased plan further here on the platform.
£3,000 GBP in 7 days
9.7
9.7

Hi there, We understand you're looking for a development partner to deliver a specific feature for your property monitoring platform, including a new UI-driven workflow and modernizing the underlying analysis pipeline, as well as ongoing infrastructure maintenance and application development. Our team at Webbook Studio has the relevant skills and experience, having worked on similar projects such as custom PHP development, React UI components, and API integrations with AWS services like Lambda and DynamoDB. For example, we've developed a learning platform website using PHP, WordPress, and custom design, which involved integrating various APIs and ensuring seamless user experience. We can deliver a high-quality web application with a user-friendly interface, ensuring the analysis pipeline runs efficiently and securely. One question: could you provide more details on the expected timeline and budget for this initial project, and how you envision the ongoing relationship in terms of infrastructure maintenance and continued application development? Feel free to message us to discuss the details! — Webbook Studio
£3,900 GBP in 30 days
9.2
9.2

With over a decade of experience in full-stack architecture and high-scale systems development, I understand your need for a development partner to deliver a remote monitoring web app with a focus on property sensors and data analysis. My background in scaling solutions for over 1 million users and my expertise in high-security systems, like those required in FinTech, directly align with the complexity of your project. A strategic insight I can offer is to leverage React for the frontend and Go for the backend to ensure scalability and efficiency in data processing. Drawing from my experience in building and scaling Telegram Mini Apps serving millions of users, I am confident in handling the development challenges outlined in your project requirements. I am eager to discuss how we can work together to bring your vision to life. Please feel free to reach out to me to further discuss the roadmap for your remote monitoring web app development.
£4,000 GBP in 45 days
9.0
9.0

We understand the importance of a strong partnership to achieve your goals for the property monitoring platform. With a focus on infrastructure maintenance, feature enhancement, and prolonged application development, collaboration is key. Our team specializes in React, Go, AWS services, and Python, ideal for enhancing the user interface, modernizing the analysis pipeline, and ensuring security and stability. We excel at integrating complex systems like DynamoDB, SQL databases, and API services for scalable solutions. We prioritize security, cost optimization, and efficient data pipeline management. Respecting the sensitivity around core IP, we uphold confidentiality and IP rights diligently. We are ready to embrace the challenge of direct access to the Core Analysis Pipeline under specified terms. Let's discuss timelines, feature enhancements, and how we can partner to innovate and elevate your platform. Our goal is to ensure your success and scalability by investing our expertise, responsiveness, and dedication.
£4,500 GBP in 5 days
8.7
8.7

Hi — Elias here from Miami. I see you're looking to develop a remote monitoring web app with a well-defined feature set. The goal here is to create a reliable system that can handle real-time data efficiently. What usually matters most here is scalability and maintainability. A common issue in systems like this is ensuring that as user load increases, the performance remains stable. The tricky part is usually integrating various data sources while managing user permissions effectively. My approach would involve designing a modular architecture, leveraging AWS Lambda for backend processes to ensure cost-effectiveness and scalability. I would prioritize clean, maintainable code to make future enhancements straightforward. I've worked on similar monitoring platforms that required seamless API integrations and real-time data handling, which gives me confidence in addressing potential pitfalls. A few questions to better understand the scope: Q1 – What specific user roles and permissions do you envision for this app? Q2 – Are there any existing systems or data sources we need to integrate with? Q3 – What are your expectations for scaling in terms of user traffic? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
£4,500 GBP in 14 days
8.6
8.6

Hi, As a seasoned professional in API development, AWX Lambda, backend development, and full-stack development among others, I am fully equipped to handle the multi-tiered nature of your project. Over my 19+ years in the industry and 483+ successful projects, I have honed my skills not only as a web and mobile app developer but as a solutions provider. My extensive knowledge in React and Go will be instrumental in developing the frontend and backend codebases while ensuring smooth integration with DynamoDB and SQL databases as stated in Tier 2. Although your core analysis pipeline is under stringent protection, my experience aligns perfectly with the task that needs to be performed on it. I understand the confidentiality this calls for and will duly comply by working under an NDA and IP-assignment agreement. A project of this nature requires a long-term commitment from a reliable partner who can provide scalable and innovative solutions, which is precisely why you should choose IT Flex Solutions India. We don't just develop websites or apps; we build digital products that create real business impact. Thanks, SBM
£4,000 GBP in 35 days
8.9
8.9

I am an experienced web app developer with a strong background in building remote monitoring platforms utilizing AWS infrastructure. I have expertise in working with both React and Go, enabling me to deliver robust frontend and backend solutions as required for the Remote Monitoring Web App Development project. My skills align well with the architecture outlined, particularly as I have managed integration tasks similar to connecting with SQL databases and DynamoDB. My past projects have involved extensive use of AWS services such as Lambda and SQS/EventBridge, which are critical components of your project’s environment. Moreover, my proficiency with Python-based data processing positions me well to handle any direct work with your core analysis pipeline under NDA, as outlined in Tier 3. I am interested in discussing how we can establish a productive, ongoing development relationship. Could you provide more details on the expected timeline for the DuckDB database implementation? I look forward to bringing my expertise to your project.
£4,500 GBP in 30 days
8.5
8.5

Dear , 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, Website Design, User Interface / IA, HTML5, Database Development, UI / User Interface, Full Stack Development, Backend Development, AWS Lambda, API Development 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.
£4,152 GBP in 5 days
8.7
8.7

Hey, I’ve carefully reviewed your project, and I understand you need a development partner who can deliver the scoped reporting workflow while also supporting a secure, scalable AWS-based platform long term. I can work within your tiered access model and respect the separation around the core Python analysis IP. I will build the React UI and Go API workflow, integrate the defined data contracts with DynamoDB/SQL, implement reliable SQS/EventBridge triggering, and help modernize the Python pipeline for Lambda execution where required. I can also support AWS infrastructure hygiene, monitoring, deployment, and the upcoming DuckDB integration without coupling changes to protected repositories. I have hands-on experience with similar cloud, API, data, and application projects and would be happy to share relevant examples during our discussion. One quick question: Do you already have the Section 7 data contract and event schema finalized for the reporting workflow? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan
£3,000 GBP in 15 days
7.9
7.9

Hello, We've thoroughly analyzed your project brief for the Remote Monitoring Web App Development. Your need for a partner to implement a UI-driven workflow and modernize your analysis pipeline is clear, and we're well-equipped to assist. We've successfully delivered similar projects, such as a smart monitoring system for environmental data, leveraging AI and automation to enhance data processing and reporting. With our extensive experience in AI-first product development, UI design, and backend integration, we're confident in enhancing your platform. Our skills in Python, React, Go, and AWS infrastructure align perfectly with your requirements. Being in the top 1% on Freelancer.com, we bring a track record of excellence and customer-centric solutions. Our portfolio includes over 200 clients, reflecting our ability to deliver scalable and impactful solutions. Please message us with more details, and we'll provide a detailed proposal within 24 hours tailored to your needs. Best regards, Puru Gupta
£10,000 GBP in 40 days
7.9
7.9

✨ Hi, I can build your property monitoring dashboard using React and Go. I will integrate the DuckDB infrastructure and UI-driven reporting workflows into your existing platform. My recent work involved handling complex data pipelines and AWS infrastructure for high-traffic environments. Estimated timeline: 21 days Budget: £4,500 Let's discuss and get started. Ajharul
£4,000 GBP in 7 days
7.7
7.7

Dear Client, I can deliver the scoped React/Go/AWS work and support the longer-term infrastructure and application development relationship, including UI-driven report generation, API integration, event-based analysis triggering, AWS services, and the required Python pipeline changes under your restricted-access process. I’m comfortable working with React, Go, Python, AWS Lambda, SQS/EventBridge, DynamoDB, SQL, S3, and CI/CD, and I can work within your Tier 1–3 access model without requiring unnecessary access to your core IP. What exact user actions should trigger a new property report from the React UI? Have you already decided between SQS and EventBridge for triggering the analysis pipeline? What report status and progress information should the React UI display while processing? Best Regards, Arslan Ahmed
£5,000 GBP in 7 days
7.6
7.6

⭐⭐⭐⭐⭐ Your Reliable Partner for Property Monitoring Platform Development ❇️ Hi My Friend, I hope you're doing well. I reviewed your project requirements and see you're looking for a development partner for your property monitoring platform. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects in application development. I will create a UI-driven workflow for report triggering and modernize your analysis pipeline, ensuring efficient infrastructure maintenance. ➡️ Why Me? I have 5 years of experience in application development, specializing in React and Go programming. My expertise includes API integration, database management, and cloud infrastructure. Additionally, I have a strong grip on AWS services, ensuring a smooth and secure development process. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and explain how I can best assist you. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ React Development ✅ Go Programming ✅ API Development ✅ AWS Infrastructure ✅ Database Management (SQL, DynamoDB) ✅ Data Analysis ✅ UI/UX Design ✅ Security Practices ✅ CI/CD Implementation ✅ User Authentication ✅ Project Management ✅ Troubleshooting Waiting for your response! Best Regards, Zohaib
£3,400 GBP in 2 days
8.0
8.0

Hi, Yes, we can support this engagement, including the initial scoped work and the longer-term infrastructure and application development relationship. The architecture you described is familiar territory for us: React-based applications, API-driven backends, cloud infrastructure, data processing workflows, event-driven integrations and SaaS platforms. We have built and maintained complex systems involving real-time data, tracking, reporting, asset management and large business workflows. Our portfolio also includes an Asset Lifecycle Cost Modeling System, logistics tracking platforms, SaaS applications and data-intensive RPA solutions. For this engagement, we would work within your three-tier access model rather than trying to bypass it. The React/UI and API work can be developed against your defined data contract, while the restricted Python pipeline can be handled separately under your NDA and IP requirements. We can also support the longer-term requirements around infrastructure hygiene, monitoring, migrations, database work and continued feature development. For the initial scope, I’d estimate 4 to 6 weeks, depending on the exact Sections 4 to 6 requirements and the current state of the Lambda migration. For pricing, I’d suggest $4,500 to $6,000 USD for the initial scoped implementation. Once we review Sections 4 to 6 and the existing architecture/codebase, we can provide a fixed price and milestone plan. Rajesh
£4,000 GBP in 7 days
8.2
8.2

Your property-monitoring platform is a strong fit for my React, Python and AWS full-stack background. I can deliver the new UI-driven report workflow while modernising the pandas-based, ~20-stage analysis process for Lambda execution, without compromising the restricted core-pipeline access model. I will first map the versioned data contract and agreed SQS/EventBridge event schema, then build the React screens for selecting a property/report action, validation, progress/status and usable error feedback. On the Go side, I will add secure API endpoints and services that read the required DynamoDB/SQL objects, publish idempotent analysis requests, and return/report job state cleanly to the UI. For the pipeline work, I will package the Python process as a reproducible CI/CD artifact, make stages Lambda-safe, add structured logging, failure handling and retry visibility, and work under the stated NDA/IP-assignment controls. I also have experience maintaining AWS IAM, Lambda, S3, queues, databases and deployment workflows, so I can support the Tier 1 and Tier 2 relationship after this scope, including the upcoming DuckDB work. For the report-trigger screen, should users be able to request a report for one property at a time only, or select multiple properties in one action? Muhammad Saad
£3,200 GBP in 6 days
7.2
7.2

Hi, I understand the core requirement: build a UI-driven workflow for triggering damp, mould and thermal-risk reports, modernise the Python analysis pipeline on AWS, and integrate it securely with your React/Go application without exposing your core IP. I have 13+ years of experience working with React, Go, Python, AWS, Lambda, SQS/EventBridge, DynamoDB, SQL and data-intensive systems. I will: • Build the React reporting workflow and Go APIs • Integrate SQL/DynamoDB through the defined contracts • Implement reliable SQS/EventBridge pipeline triggering • Modernise the Python/pandas pipeline into Lambda with CI/CD • Add logging, monitoring, retries and error handling • Respect your NDA, restricted repository and IP requirements • Support future DuckDB integration and ongoing AWS maintenance I can also provide long-term infrastructure and application development support. Let’s discuss the architecture, timeline and fixed cost. -- CHRISTINA
£3,000 GBP in 15 days
7.6
7.6

Hello!, This is James from Hollywood... I read your project description carefully, and I understand you need a development partner to build a specific remote monitoring web app feature, not a generic app. That level of clarity is exactly where I add the most value. I have 15+ years of experience in Python, backend development, API design, database development, UI/UX, and AWS Lambda based systems. I’ve built production dashboards, monitoring tools, and data-driven platforms where reliability, clean structure, and a smooth user experience really matter. My usual approach is: 1. Review the exact feature scope and data flow 2. Define the API, database model, and monitoring logic 3. Build the UI for clarity and quick decision-making 4. Test edge cases, permissions, and deployment readiness 5. Deliver a stable, maintainable solution Could you please clarify the following questions to help me better understand the project? 1. What exactly should be monitored, and what triggers alerts or status changes? 2. Do you already have the backend/data source, or should I design the full API and database flow too? 3. Is there an existing UI/design system, or should I create the interface from scratch? Relevant work examples include a logistics tracking dashboard, a healthcare monitoring portal, a field service reporting web app, and a real-time operations admin panel. I’m the kind of person who reads the brief properly and builds around the actual goal, not just the headline.
£4,300 GBP in 17 days
7.1
7.1

Hi, I’ve read your brief closely, and this is a strong fit. The combination of a React-driven reporting workflow, Backend Development across API/services, and a restricted Python analysis pipeline within an AWS environment is exactly the kind of structured platform work I can support with confidence. I have solid experience delivering web applications that balance Website Design with clean UI / User Interface implementation, while coordinating secure backend integrations, event-driven workflows, and production-ready handoff. For your scope, I can help deliver the report-triggering flow in React, align the service layer with your data contract, and support the modernization of the Python pipeline so it runs reliably within the architecture you’ve outlined. I can review Sections 4-6 with you, confirm delivery approach, and provide a phased execution plan immediately. I’m available to begin after a short technical discussion. For the new report-triggering workflow, what are the exact state transitions and failure-retry expectations between React, Go services, and SQS/EventBridge? Best regards, KANIKA
£4,200 GBP in 35 days
7.0
7.0

Hi there, We can deliver the defined React + Go feature work while working comfortably with AWS services such as Lambda, SQS/EventBridge, S3, DynamoDB, and SQL databases. We understand the tiered access model and can work against the agreed data contracts without requiring unnecessary access to your core analysis pipeline. For the reporting workflow, we can build the UI/API flow to trigger analysis reliably through the agreed event architecture, integrate the required data, and ensure the workflow is properly tested and documented. We can also support the longer-term infrastructure maintenance and application development relationship. Kindly send me message to discuss more or directly award me. Thank you!
£3,000 GBP in 10 days
7.1
7.1

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you with the Remote Monitoring Web App Development project. I understand you're looking for a development partner to deliver a specific feature for your property monitoring platform, which involves adding a new UI-driven workflow for triggering reports and modernizing the underlying analysis pipeline. I see that the project involves working with React, Go, SQL database, DynamoDB, AWS Lambda, and Python, which are all within my team's and my expertise. My team and I have experience with similar projects, including developing custom APIs, integrating with various databases, and working with AWS services. For example, we've built a website for a web/digital agency using PHP, custom design, and WordPress, and we've also developed a music voting mobile app using React Native, React.js, and Node.js. I can deliver a high-quality solution for your project, including the development of the new UI-driven workflow and the modernization of the analysis pipeline. I'd like to discuss the details further and provide a detailed proposal, including a price and timeline. One question: could you please provide more information about the expected timeline for the project and any specific requirements or constraints that we should be aware of
£3,900 GBP in 30 days
6.9
6.9

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