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Project Details Overview We are building an MVP for a security operations management system for a security agency. The system digitises core operational workflows including guard deployment, attendance tracking, incident reporting, and patrol verification using NFC checkpoints. This is a real operational system used in physical security environments, not a simple CRUD application. We are looking for a strong full-stack developer or small engineering team with experience in system architecture, backend design, and scalable application development. IMPORTANT CONTEXT This is an MVP that will later evolve into a larger platform. As such, we require: clean system architecture modular backend design API-first approach scalable database structure separation of concerns The MVP itself is intentionally simple but must be built correctly to allow future expansion. PHASE 1 – CORE MVP SYSTEM 1. Workforce and Deployment System Create and manage guard profiles Create sites / locations Assign guards to sites Define shifts with start and end times Guard classification: Static (fixed site assignment) Mobile (multi-site movement) 2. Attendance and Duty Tracking System Start Duty (check-in) End Duty (check-out) Record: timestamp site guard ID duty status (ON DUTY / OFF DUTY) 3. Deployment Management View live guard assignments Track shift allocation Identify missing or unreported shifts 4. Incident / Occurrence Reporting System Incident reporting module with: site timestamp incident type description Support file uploads: images short videos Supervisor review interface 5. Admin Dashboard (Web Application) View all guards and their status (ON DUTY / OFF DUTY) View deployments in real time View attendance logs View incident reports PHASE 2 – PATROL VERIFICATION SYSTEM (NFC BASED) 1. NFC Checkpoint System NFC tags placed at physical patrol locations Guards tap phone at checkpoint System records: checkpoint ID guard ID timestamp 2. QR Code Setup System Each NFC tag includes a QR code QR code is used only for system setup: registering checkpoint mapping checkpoint to: site floor location ID QR code is not used for verification. 3. Patrol Route Engine Define patrol routes per site Track completed checkpoints Detect missed checkpoints Generate patrol compliance status TECHNICAL REQUIREMENTS Preferred stack: Backend: Node.js (NestJS preferred) or FastAPI Frontend: React for admin dashboard Mobile: React Native for NFC functionality (preferred) Database: PostgreSQL ARCHITECTURE EXPECTATIONS We expect the developer to design: modular backend structure clean REST API layer scalable database schema separation of business logic and data layers future-ready architecture for expansion IMPORTANT NOTES MVP only (no advanced features) No AI required No CCTV integration required No GSOC or command centre No multi-tenant SaaS architecture at this stage Focus is on correctness, simplicity, and scalability DELIVERABLES Working web admin dashboard Backend API system Database implementation Workforce, attendance, deployment modules Incident reporting system NFC patrol checkpoint system OUT OF SCOPE AI analytics CCTV integration GSOC command centre SaaS platform complex automation systems PROJECT SUMMARY We are building a security operations MVP system for guard deployment, attendance tracking, incident reporting, and NFC-based patrol verification. The long-term goal is to expand this into a scalable platform, but this phase is strictly focused on MVP delivery.
Project ID: 40558045
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236 freelancers are bidding on average $576 SGD for this job

Hey there, Building this MVP with the right architecture matters more than adding features because every module you add later will depend on the foundation built today. I can design a modular backend using NestJS with PostgreSQL, clean REST APIs and a scalable database structure that keeps workforce management, deployments, attendance, incidents and patrol verification independent yet connected. The admin dashboard in React will provide live guard status, deployment tracking, attendance logs and supervisor review for incident reports with secure media uploads. For the mobile side I can build the React Native application with NFC checkpoint verification, QR based checkpoint registration and a patrol route engine that records every checkpoint scan with accurate timestamps and compliance tracking. My focus is clean business logic, proper service separation, role based access, background processing where needed and an API first architecture that makes future expansion straightforward without rebuilding the system. Let's schedule a call. I can walk through the system design, database structure and development roadmap before implementation begins. Best Regards, Tilal
$500 SGD in 7 days
8.8
8.8

Hi — Elias here from Miami. I see you’re working on an MVP for a security operations management system. The goal is to create a robust platform that can efficiently manage security operations while being user-friendly. The real technical challenge here is ensuring reliability and scalability. Security systems often face complex workflows and integration issues. What usually matters most here is having a solid architecture that can handle future demands without compromising performance. My approach would involve structuring the application with a strong backend using Node.js and PostgreSQL, ensuring all components are modular for easy updates. I’d also focus on building a responsive frontend with React Native to enhance user experience across platforms. This will lay a solid foundation for both current needs and future expansion. I’ve worked on similar systems that required tight integrations and robust security protocols, so I understand the nuances involved. A few questions to better understand the scope: Q1 – What specific user roles do you envision for the system? Q2 – Are there any existing tools or APIs you plan to integrate with? Q3 – What are your scaling expectations as the user base grows? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 SGD in 5 days
8.6
8.6

Hello!! I HAVE DEVELOPED SIMILAR ENTERPRISE MANAGEMENT AND WORKFORCE TRACKING SYSTEMS AND CAN SHARE RELEVANT EXAMPLES DURING OUR DISCUSSION. I have carefully reviewed your MVP requirements and understand you need a scalable security operations management system with guard deployment, attendance tracking, incident reporting, an admin dashboard, and NFC-based patrol verification. With 10+ years of experience in Node.js, NestJS, React, React Native, PostgreSQL, REST APIs, and enterprise application architecture, I can build a clean, modular, and future-ready solution following Agile methodology. The backend will be designed with proper separation of concerns, scalable database architecture, and well-structured APIs to support future platform expansion. I will provide complete source code, deployment assistance, regular progress updates, and **2 years of free ongoing technical support** after project completion. I am available to start immediately and look forward to discussing your MVP in detail. I eagerly await your positive response. Thanks
$300 SGD in 10 days
8.4
8.4

Hi, I will deliver your security ops MVP with the modular, API-first architecture you described: guard profiles and site assignments, duty check-in/check-out, incident reporting with file uploads, and the NFC patrol checkpoint system. All built on NestJS, React, React Native, and PostgreSQL. The part that matters most here is getting the separation of business logic and data layers right from day one, so Phase 2 and beyond do not require a rewrite. On a similar operations platform, I structured the backend around domain modules with a clean REST layer, and it made adding new workflows later straightforward with zero refactoring of existing code. Questions: 1) For the NFC mobile app, do guards need offline support for areas with poor signal? 2) Do you have the NFC tag hardware selected already? Looking forward to your response. Best regards, Kamran
$280 SGD in 10 days
7.6
7.6

Hey, i will build a clean and professional React, React Native, Node.js (NestJS), and PostgreSQL security operations management system for your security agency that is focused on streamlining guard deployment, attendance tracking, incident reporting, and NFC-based patrol verification with a scalable architecture for future growth. I will work directly on the required platform/account to develop a modular backend, clean REST APIs, responsive admin dashboard, and secure mobile application with proper separation of business logic and scalable database design. The MVP will include workforce management, deployment tracking, attendance, incident reporting with file uploads, and NFC checkpoint verification while keeping the codebase clean, maintainable, and ready for future expansion. i am interested to doing this work and i am agree with your budget Do you already have UI designs, workflow diagrams, or should I design the complete system architecture and interface based on your requirements? portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards: Hammad Hassan
$300 SGD in 10 days
7.3
7.3

Hi there, We’ve built similar MVPs for security operations, including guard management, incident reporting, and patrol verification. Our approach emphasizes a strong foundation for future scalability, ensuring that we deliver a product that evolves with your needs. We can also handle the React Native mobile app for guard check-ins, as we have extensive experience with both web and mobile versions of the same product. Let’s schedule a quick call to discuss your project in detail and see if I’m the right fit for your needs. I usually respond within 10 minutes. Best regards, Adil
$408.72 SGD in 7 days
6.8
6.8

I specialize in developing robust digital solutions that streamline security operations. Understanding the importance of secure systems, I am committed to delivering a scalable and efficient security operations management system for your agency. With a strong background in system architecture and backend design, I am well-equipped to create a modular backend structure, clean REST API layer, and scalable database schema. My expertise aligns perfectly with your requirements for an MVP that sets the foundation for future expansion. You'll be working with a team that values transparency, responsiveness, and delivering exactly what is promised, while focusing on creating a solution that not only meets your immediate goals but continues to perform and add value long after launch. Regards, InterconnectBPO
$400 SGD in 7 days
6.8
6.8

Hello, I have 10 years of experience building scalable web and mobile applications using Node.js, NestJS, React, React Native, PostgreSQL, PHP, and Laravel. I can develop the complete workforce management, deployment, attendance tracking, incident reporting, admin dashboard, and NFC-based patrol verification system while following clean architecture and separation of concerns. The solution will include secure authentication, optimized APIs, well-documented code, and a responsive admin interface to ensure reliability in real-world operational environments. I would be happy to discuss the system architecture, milestones, and implementation strategy to deliver a maintainable, scalable MVP that serves as a solid foundation for future phases. Best regards
$250 SGD in 7 days
7.0
7.0

Hello, I have carefully reviewed your project requirements for developing a Cross-Platform Security Ops MVP system for a security agency. I understand the need for a clean system architecture, modular backend design, and scalable application development. With my expertise in Mobile App Development, Node.js, Backend Development, Frontend Development, PostgreSQL, and React Native, I am confident in delivering the desired functionalities efficiently. I will ensure effective communication throughout the project to keep you updated on the progress. You can view my portfolio here: https://www.freelancer.com/u/Curveballsol I am excited about the opportunity to work on this project and create a robust MVP system that aligns with your vision. Best regards, Curveball Solutions
$250 SGD in 2 days
6.2
6.2

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Mobile App Development, Node.js, PostgreSQL, Full Stack Development, Backend Development, Frontend Development, React Native, Database Design, API Development, FastAPI Please come over chat and discuss your requirement in a detailed way. Regards
$250 SGD in 3 days
6.4
6.4

Hello!, I am a US-based senior software engineer(frontend, backend, ecommerce, etc) and I read your Cross-Platform Security Ops MVP details carefully. I understand you’re building a security operations management MVP, and the goal is a secure, practical cross-platform foundation that’s ready to grow. I bring 15+ years of experience with React Native, Node.js, FastAPI, PostgreSQL, API development, and full-stack architecture. I’ve built production dashboards, secure workflow apps, and backend-heavy systems where data structure, permissions, and usability all matter. My approach would be: define the core flows and data model first, build the backend/API layer next, then connect the mobile UI, and finish with testing to make sure it’s stable and reliable. Could you please clarify the following questions to help me better understand the project? 1) What are the top 2 or 3 must-have workflows for the MVP? 2) Will roles/permissions or audit logs be needed in version one? 3) Do you already have wireframes, or should I help shape the UI/flow? I pay close attention to details because that’s what separates a solid MVP from a rushed one. If you want, I can also help you map the fastest path to a clean v1 without overbuilding. Relevant work includes secure ops dashboards, internal workflow tools, mobile field apps, and data-driven admin systems for logistics, healthcare, and service teams. Looking forward to speaking with you. James Zappi
$650 SGD in 4 days
6.4
6.4

Hi There!!! ★★★★ (Build a scalable Security Operations MVP with clean architecture, NFC patrol verification, and future-ready backend design.) ★★★★ I’ve carefully read your project and understand you're building a security operations MVP focused on workforce management, attendance, incident reporting, deployment tracking, and NFC-based patrol verification. The priority is a modular, API-first architecture that delivers a stable foundation for future expansion without unnecessary complexity. ⚜ Modular backend & REST API development ⚜ React admin dashboard ⚜ React Native NFC mobile app ⚜ PostgreSQL database design ⚜ Workforce, attendance & deployment modules ⚜ Incident reporting with file uploads ⚜ Scalable architecture & clean codebase I have experience developing full-stack applications with scalable architecture, clean APIs, and modern frontend technologies. I'll use NestJS (or FastAPI), React, React Native, and PostgreSQL to build a maintainable MVP with clear separation of concerns and well-structured modules. I beleive in writing production-ready code from the start while keeping communication transparent through every milestone. I'd love to discuss your roadmap and help build a strong foundation for the platform. Warm Regards, Farhin B.
$256 SGD in 10 days
6.6
6.6

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: Could you specify the anticipated user load for the MVP and its future expansions? 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 SGD in 21 days
7.4
7.4

⭐⭐⭐⭐⭐ Build a Scalable Security Operations Management System MVP ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you're looking for a full-stack developer for your security operations management system. You don’t need to look any further; Zohaib is here to help you! My team has completed 50+ similar projects focused on security systems. I will create a clean architecture and a modular backend that allows future expansion within your budget. ➡️ Why Me? I can easily build your MVP with 5 years of experience in full-stack development. My expertise includes system architecture, backend design, and scalable application development. I also have a strong grip on Node.js, React, and PostgreSQL, ensuring a solid foundation for your project. ➡️ Let’s have a quick chat to discuss your project in detail, and I can show you samples of my previous work. I am looking forward to our discussion! ➡️ Skills & Experience: ✅ Full-Stack Development ✅ System Architecture ✅ Backend Design ✅ API Development ✅ Modular Design ✅ React for Frontend ✅ Node.js for Backend ✅ PostgreSQL Database ✅ NFC Integration ✅ Mobile Development (React Native) ✅ Incident Reporting Systems ✅ Attendance Tracking Waiting for your response! Best Regards, Zohaib
$350 SGD in 2 days
6.0
6.0

Greetings, I have reviewed your project requirements for developing a Cross-Platform Security Ops MVP system for a security agency. With expertise in Mobile App Development, Full Stack Development, Backend Development, and API Development, I am well-equipped to deliver a clean system architecture, modular backend design, and scalable database structure tailored to your needs. My portfolio includes successful projects in Mobile App Development and Full Stack Development, showcasing my ability to execute projects efficiently and achieve long-term results. One question I have is: How do you prioritize the scalability of the system for future expansion? I am eager to discuss the project further in an open chat to finalize the scope seamlessly. You can view my portfolio here: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ Best regards, Muhammad Anas Khan
$250 SGD in 4 days
5.7
5.7

Hi there, We understand you're looking to build a security operations management system MVP, focusing on core operational workflows like guard deployment, attendance tracking, and incident reporting, with an NFC-based patrol verification system. Our team at Webbook Studio has experience in similar projects, such as developing custom CRM and ERP systems, and we're confident our skills in Node.js, React, and PostgreSQL can meet your technical requirements. For instance, we've built a learning platform website and a website for an electric bike company, both utilizing PHP and WordPress, showcasing our ability to handle complex system architecture and backend design. We'll deliver a working web admin dashboard, backend API system, database implementation, and all required modules, ensuring a clean system architecture, modular backend design, and scalable database structure. One question: What are your expectations for the user experience and interface design of the admin dashboard and mobile app? Feel free to message us to discuss the details! — Webbook Studio
$630 SGD in 10 days
5.7
5.7

Hello! As per your project post, you're looking to build an Security Operations Management Platform that digitizes guard deployment, attendance tracking, incident reporting, and NFC based patrol verification. The primary objective is to deliver a modular, API first solution with a clean architecture that supports current operational requirements while providing a solid foundation for future platform expansion. My focus will be on delivering a production ready MVP featuring workforce and site management, shift scheduling, guard deployment, attendance and duty tracking, incident reporting with image and video uploads, real time admin dashboard, NFC checkpoint verification, QR based checkpoint registration, patrol route management, compliance monitoring, secure REST APIs, role based access, PostgreSQL database design, and comprehensive documentation for future development. I specialize in React, React Native, Node.js, NestJS, FastAPI, PostgreSQL, REST APIs, NFC integration, cloud deployment, scalable backend architecture, and enterprise application development. My focus will be on building a secure, maintainable, and extensible platform with clear separation of business logic, data access, and API layers. Let's connect to review your operational workflows, deployment environment, and roadmap so we can deliver an MVP that is reliable today and ready for future enhancements. Best regards, Nikita Gupta.
$1,000 SGD in 45 days
5.9
5.9

Hi, I'm excited about your project Cross-Platform Security Ops MVP because healthcare platforms require security, reliability, and an excellent user experience. With strong expertise in Mobile App Development, Node.js, PostgreSQL, Full Stack Development, Backend Development, Frontend Development, React Native, API Development, I can develop a modern telemedicine application with doctor profiles, appointment management, secure consultations, e-prescriptions, patient records, payment gateways, and role-based access. My goal is to build a scalable platform that enhances patient care while making healthcare services more accessible. I look forward to working with you.
$525 SGD in 14 days
5.6
5.6

What stands out here is that the challenge isn’t the individual features, it’s making sure attendance, deployments, incidents, and patrol verification all fit into a model that won’t need to be rebuilt when Phase 2 and future modules arrive. I’d start by designing the domain structure first—guards, sites, shifts, assignments, duty logs, incidents, checkpoints, and patrol routes—then build the API around those entities rather than around screens. That keeps the React dashboard and React Native app cleanly separated from the business logic. For patrol verification, I’d treat NFC scans as immutable events with validation around shift status, checkpoint ownership, and duplicate scans. That makes compliance reporting much more reliable later. Incident uploads would be handled independently from incident records so media storage can scale without affecting operational data. I’ve built operational systems before where auditability mattered more than feature count, and that mindset fits this project well. One thing I’d like to clarify: do mobile guards need GPS location captured alongside NFC scans, or is checkpoint verification alone sufficient for the MVP? I’m ready to start.
$500 SGD in 7 days
5.7
5.7

Hello Dear! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I have 10+ years of experience building scalable full-stack applications, REST APIs, React dashboards, React Native apps, and PostgreSQL-backed systems. I understand you need an MVP security operations platform with workforce management, attendance, deployments, incident reporting, NFC patrol verification, and a modular architecture ready for future expansion. I’ve developed similar enterprise systems with clean API-first design, scalable databases, and maintainable codebases. I have rich experience in full-stack development, REST APIs, and enterprise system architecture. I am skilled in NestJS, React, React Native, PostgreSQL, FastAPI, and Git. I’m ready to start immediately and would be happy to discuss this project. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 SGD in 5 days
5.6
5.6

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