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I am building a full-stack HR web application that runs seven specialised AI chatbots—each responsible for a core HR function—and I need an experienced developer to take it from concept to deployment. Chatbot coverage • Employee performance evaluation • Leave and absence management • Payroll and HR-compliance conversations (Other bots will cover recruitment, onboarding and related admin, but your primary focus is on the three areas above.) Key system requirements • Secure employee profile vault that stores personal details, job history, education records (with certificate uploads), company loan and insurance information, all editable through employee self-service. • End-to-end payroll automation: tax calculations and electronic submissions, payslip generation, deductions and benefits management, plus year-end IRA8 filing. Accuracy, audit trail and error handling are non-negotiable. • N8N workflow development: design and implement the flows that connect the chatbots, the payroll engine and any external services through N8N’s API layer. Smooth hand-offs between human users, bots and background jobs are essential. • Modern web front end (responsive) and an admin dashboard for HR managers to monitor chatbot interactions, approve requests and override calculations when needed. • Scalable, secure back end with role-based access control, encryption at rest and in transit, and clear logging for compliance. Deliverables 1. Source-controlled codebase for the webapp, the seven AI chatbot modules and all N8N workflow files. 2. Deployed staging environment for UAT plus instructions for production rollout. 3. Technical documentation covering architecture, data schema, chatbot intents/prompts, N8N flow diagrams and API endpoints. 4. A short demo video walking through key user journeys: employee self-service, manager approval, automated payroll run and year-end filing. Acceptance criteria • All listed HR tasks execute without manual intervention and produce correct outputs checked against sample data sets. • N8N flows recover gracefully from API time-outs and log failures for review. • Security tests show no critical vulnerabilities. • Pages load in under three seconds on average broadband. If you have solid experience with AI chatbots, payroll logic and N8N, I’d love to see relevant examples and discuss timelines.
Projekt-ID: 40052620
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79 Freelancer bieten im Durchschnitt $14 SGD/Stunde für diesen Auftrag

Dear Wen Jie L., 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 PHP, .NET, Website Design, Software Architecture, Web Development, Full Stack Development, AI Chatbot Development, AI 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.
$25 SGD in 5 Tagen
9,0
9,0

I HAVE BUILT FULL-STACK HR PLATFORMS WITH AI CHATBOTS AND N8N AUTOMATION — READY TO DELIVER YOUR SECURE, END-TO-END HR SYSTEM. Hello, I am an experienced full-stack developer with expertise in AI chatbots, payroll automation, and workflow orchestration using N8N. I can take your HR web application from concept to deployment, covering employee self-service, payroll, compliance, and chatbot automation. Scope of Work: AI Chatbots: Implement seven HR-focused bots, prioritizing performance evaluation, leave management, and payroll/compliance conversations. Secure Employee Vault: Store and manage personal details, job history, education records, loans, and insurance data with full encryption. Payroll Automation: Tax calculations, electronic submissions, payslip generation, deductions/benefits management, year-end IRA8 filing, audit trails, and error handling. N8N Workflow: Automate hand-offs between chatbots, payroll engine, and external services; include logging, retries, and error handling. Web Frontend & Admin Dashboard: Responsive UI for employees and managers, with approvals, overrides, and monitoring. Backend: Scalable, secure, role-based access control, logging, and compliance-ready architecture. Demo video illustrating employee self-service, manager approvals, payroll run, and year-end filing. I have experience delivering similar AI-driven HR solutions and can provide examples and timeline estimates immediately.
$7 SGD in 40 Tagen
7,6
7,6

Hi, I appreciate the opportunity to work on your Multi-Bot AI HR Webapp project. With extensive experience in developing AI chatbots and automation systems, I am confident in my ability to deliver a robust solution that meets all your requirements. I have successfully implemented similar HR systems, focusing on performance evaluations, leave management, and payroll automation. I’ll ensure the secure employee profile vault is user-friendly and that the end-to-end payroll process is efficient, accurate, and compliant. Utilizing N8N for seamless workflows will optimize interactions across the chatbots and HR functions, providing a smooth user experience. I am ready to start the project immediately and propose a timeline of 4-6 weeks for development, including the deployment of the staging environment for UAT. Best regards,
$32 SGD in 21 Tagen
6,8
6,8

Hi! I can build your Multi-Bot AI HR webapp with seven specialised HR chatbots working together to handle performance reviews, leave requests, payroll conversations and the rest of your HR workflows in a clean, simple interface. What I’ll deliver: • A smooth employee portal where profiles, job history, education records, loans and insurance can all be updated through self-service • Seven AI chatbots that guide employees through performance conversations, leave/absence requests, payroll queries and HR compliance • A clean, modern HR manager dashboard to review chatbot activity, approve requests and override calculations when needed • Automated payroll runs, payslips, deductions/benefits handling and year-end filing—accurate, consistent and fully logged • Connected workflows (via N8N) so bots, approvals and background processes hand off work without friction • A staging environment for testing, full documentation and a demo video showing the key journeys I’ll keep the entire experience clear, human-friendly and structured so employees feel supported—not overwhelmed by automation. We can start immediately — I will ensure clear, daily communication and fast turnaround. You’ll always know the exact progress.
$8 SGD in 40 Tagen
6,3
6,3

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Seven specialised AI HR chatbots working together through secure workflows ))⚜⭐⭐⭐⭐⚜ This project immediately caught my interest because you are building a full connected HR ecosystem where multiple bots, payroll logic and N8N workflows all operate in sync without manual steps. You are looking for someone who can take this from architecture to deployment while ensuring accuracy, compliance and smooth employee interactions. My experience in structured payroll automation and chatbot driven workflows helps in mapping each HR function into clear intents, data flows and N8N hand offs. I can design a scalable backend with encryption, RBAC and complete logging while keeping the front end intuitive for employees and managers. Three important features: 1. Automated payroll with tax rules, deductions and accurate IRA8 filing 2. Secure employee vault with self service and audit trail 3. N8N workflows that handle bot transitions, fallback logic and error recovery Happy to walk through a flow structure and discuss how staging and UAT can be set up efficiently. Warm Regards, Farhin B.
$6 SGD in 40 Tagen
6,3
6,3

Hello, I’m excited to help you build your AI-powered HR web application, taking it from concept to a secure, scalable, and production-ready system. With strong full-stack, AI chatbot, and automation experience, I can deliver a reliable platform that handles complex HR workflows with accuracy and compliance. Here’s my approach: ◆ System Architecture & Planning: Design a secure, scalable architecture covering chatbots, payroll logic, workflows, and role-based access. ◆ AI Chatbots Development: Build specialized chatbots for performance evaluation, leave management, and payroll/compliance with clear intents and guardrails. ◆ Backend & Payroll Engine: Implement secure employee profiles, document storage, payroll automation, tax logic, and audit trails. ◆ N8N Workflows: Design resilient N8N automations connecting chatbots, payroll processes, and external services with error handling and logging. ◆ Frontend & Admin Dashboard: Develop responsive employee self-service screens and an admin dashboard for monitoring, approvals, and overrides. ◆ Deployment & Handoff: Set up staging, provide deployment guidance, documentation, and a walkthrough demo. You’ll receive a well-structured, documented system built for security, scalability, and compliance. I’m ready to collaborate closely and bring your HR platform to life. Best regards, Niral D
$20 SGD in 40 Tagen
5,7
5,7

Hello, I’m a full-stack developer with 15+ years of experience building complex web applications, and I specialize in AI integration, workflow automation, and secure HR systems. I’ve delivered multiple projects involving payroll automation, role-based access, and scalable backend architectures, making me confident I can implement your HR platform with seven AI chatbots efficiently and reliably. Here’s my approach for your project: 1. **Secure Employee Vault** – Design a centralized, encrypted profile system storing personal details, education records, loan and insurance info, fully editable via employee self-service, with audit logs for compliance. 2. **Payroll Automation** – Implement end-to-end payroll engine with accurate tax calculations, deductions, benefits, payslip generation, and year-end filing. All flows include error handling, audit trail, and manager override capabilities. 3. **N8N Workflow Integration** – Build robust N8N flows connecting chatbots, payroll engine, and external services. Ensure smooth hand-offs between bots and human approvals, with recovery on API failures and detailed logging. 4. **Web & Admin Dashboard** – Create a responsive frontend for employees and an intuitive dashboard for HR managers to monitor bot interactions, approve requests, and manage exceptions. 5. **Security & Compliance** – 6. **Deployment & Documentation** – Let's discuss further.
$9 SGD in 40 Tagen
5,2
5,2

Hi there, I read through your project description with real interest and it is clear that you are aiming to build a solid and reliable HR platform powered by multiple specialised chatbots. Your focus on secure data handling, accurate payroll logic and smooth N8N workflow operations shows that you want a system that runs consistently without constant supervision, which matches the type of solutions I enjoy building. Your project contains employee data management, automated payroll processes, chatbot interaction flows, responsive web interface and a clean administration space for HR teams. I bring more than 7 years of experience across full stack development, mobile platforms, interactive user experiences and system integrations that connect workflows, storage layers and automation. My background allows me to handle the full development cycle from planning to deployment with a focus on clarity, stability and long term maintainability. I enjoy working closely with clients to ensure the final product is aligned with their expectations and ready for real world use. Let us schedule a quick chat to align your vision and next steps. Best Regards, Prasham Jain
$11 SGD in 40 Tagen
4,8
4,8

Hi there, I’ve successfully built full‑stack HR applications with AI chatbots and workflow automation before and can share examples directly in chat. I will deliver a solution that: 1. Implements seven specialised HR chatbots, focusing on performance evaluation, leave management, and payroll/HR compliance 2. Provides a secure employee profile vault with self‑service editing and document uploads 3. Automates payroll end‑to‑end with tax filings, payslips, deductions, and audit trails 4. Designs N8N workflows for smooth integration between chatbots, payroll engine, and external services 5. Builds a responsive web front end plus an admin dashboard for HR managers 6. Ensures a scalable, secure back end with role‑based access and compliance logging Please feel free to reach out so we can discuss price and timeline. Best regards, Houssame
$7 SGD in 40 Tagen
5,1
5,1

Hi Wen Jie L., Good afternoon! Already have something live to show you I am professional mobile computer programmer with skills including Web Development, .NET, PHP, AI Chatbot Development, Software Architecture, Full Stack Development, AI Development and Website Design. Please send a message to discuss more about this project. Thanks & Regards
$64 SGD in 25 Tagen
4,4
4,4

Warm Greetings! I have vast experience providing website and mobile development services, I am confident that I can tackle the complexities of your Multi-Bot AI HR Webapp project. My extensive knowledge in PHP, Software Architecture, and Website Design gives me a unique ability to handle powerful backend operations while ensuring sleek and intuitive front-end interfaces. With a deep understanding of your project needs like chatbots, N8N flow development, payroll automation, and web security; I bring unmatched value to the table Being a diligent and detail-oriented professional, my codebase is always source-controlled, and my technical documentation is precise and easy to understand. Stringent testing methodologies ensure that any glitch or vulnerability is rooted out before the roll-out stage. I understand how vital data security is for HR systems, which is why my deliverables always prioritize encryption at rest and in transit. Beyond just coding expertise, our partnership will be marked by regular communication updates that keep you informed about weekly developments. My commitment to meeting given timelines has helped me establish long-term business relationships with clients over the years. Let's work together to transform your project into a robust solution that will elevate your HR processes, lead to operational efficiency, increase employee satisfaction, and foster a strong foundation for future expansion.
$10 SGD in 40 Tagen
4,8
4,8

✨ Let's make your full-stack HR web application seamless and stress-free Hello dropshipking, I see you need specialised AI chatbots for core HR functions like employee performance evaluation, leave management, and payroll compliance. I understand how critical accurate and automated HR processes are for your company's efficiency without room for errors. I've built similar solutions for various industries, with 5 years of hands-on experience in AI chatbots, payroll automation, and workflow development. I'll deliver a secure employee profile vault, end-to-end payroll automation, and seamless N8N workflow connectivity — fully functional and ready from day one. Successfully delivered 5 similar projects with 5-star ratings. Available to start immediately — first milestone ready in 2 weeks. I'd love to discuss your vision. When works best for a quick 10-minute call? Worst case, you'll get free insights to guide your project. Looking forward to collaborating, Piyush Gupta Full-Stack Developer | 5+ Years
$3 SGD in 30 Tagen
4,7
4,7

Dear dropshipking2 I am Mohamed Saman, a proficient automation developer with extensive experience in architecting multi-agent AI systems and scalable chatbot web applications. I specialize in integrating advanced LLMs such as OpenAI, Anthropic, and Llama, enabling coordinated multi-bot interactions, context routing, and complex task delegation within a unified platform. My approach includes designing modular conversational pipelines, implementing persistent memory layers, and building orchestration logic that allows bots to collaborate intelligently. I am adept at connecting each bot to external REST APIs, internal tools, and custom knowledge bases to deliver dynamic, context-aware responses. Robust error handling, validation, permission control, and detailed logging ensure long-term stability and maintainability of the system. I also provide clear technical documentation and a smooth handover process, with architectures structured to support future bot expansion and new capabilities effortlessly. I am confident I can deliver a high-performance multi-bot web app tailored precisely to your requirements. Best regards, Mohamed Saman
$7 SGD in 40 Tagen
3,3
3,3

⭐️⭐️⭐️ Hi — I’m YuQi ⭐️⭐️⭐️ a senior full-stack engineer specialising in AI-driven HR systems, secure payroll automation, and N8N orchestration. I’ll take your concept to deployment: seven specialised chatbots (focus on performance reviews, leave, payroll/compliance), a secure employee vault (encrypted at rest/in transit), a scalable RBAC backend, responsive front-end + admin dashboard, and resilient N8N flows for bot hand-offs and integrations. High level: I’ll implement accurate payroll logic (taxes, deductions, payslips, year-end filings), build N8N workflows with retry/failure logging, create chatbot modules with clear intents/prompts, and deliver CI-backed source, a staging UAT deploy, and full technical docs (architecture, schema, flows, prompts). I’ll provide a demo video and an ops-ready rollout plan. Ready to share examples and a phased timeline once you confirm priorities. — YuQi
$10 SGD in 40 Tagen
3,5
3,5

Hi there, I reviewed your project and can deliver a complete full-stack HR application with integrated AI chatbots and automated payroll workflows. With experience in web development, app design, AI-driven solutions, automation and system integration, I can take your concept through architecture, development, testing and deployment. From your description, you need seven specialised AI chatbots, with core focus on performance evaluation, leave and absence management, and payroll/compliance conversations. I can design each module with clear intents, structured data exchange, and reliable hand-offs into the payroll engine and N8N workflows. Your application also requires a secure employee profile vault, editable self-service interface, certificate uploads, loan/insurance tracking, and complete payroll automation including tax handling, payslips, benefits, deductions and year-end filing. I can implement accurate, auditable payroll logic with error handling, versioned records and compliance-oriented security. I can also provide examples of chatbot and automation systems I’ve built previously. Let me know when you’d like to discuss timelines and required integrations in more detail. Best regards, Pooja
$7 SGD in 40 Tagen
3,1
3,1

Hey Wen Jie L., I just finished reading the job description and I see you are looking for someone experienced in .NET, Web Development, Website Design, AI Development, PHP, Full Stack Development, AI Chatbot Development and Software Architecture. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Haseeb.
$12 SGD in 36 Tagen
2,9
2,9

Hello, I am a .NET Developer with 15+ years of experience, specializing in building secure, scalable, and high-performance web and desktop applications. I work with C#, ASP.NET, MVC, Web API, and SQL Server to deliver robust business solutions tailored to client needs. My expertise includes custom application development, enterprise solutions, API integration, and performance optimization. Recently, I also worked on OpenAI API integration for auto-generated content, images, and social sharing, showing my ability to adopt the latest technologies. If you are looking for a dedicated .NET expert who provides quality, innovation, and timely delivery, I’d be happy to collaborate on your project.
$8 SGD in 40 Tagen
2,2
2,2

Hey Wen Jie L., Thank you for sharing the job details. After going through the description, it’s clear you need someone confident with .NET, Web Development, Website Design, AI Development, AI Chatbot Development, Full Stack Development, PHP and Software Architecture and can deliver clean, reliable results. That is exactly the kind of work done day to day, so this project is a great fit. Before getting started, there are a few points that would really help shape the best solution for you: Are all the mentioned skills and features mandatory, or is there any flexibility in the tech stack and scope? Is there any existing code, design, or documentation available, or should this be developed completely from scratch? What is your ideal timeline and any hard deadlines for milestones or final delivery? Why work with me? 1. More than 250 major projects completed, including complex, long-term engagements. 2. No negative feedback over the last 5 to 6 years, reflecting consistent quality and reliability. 3. 100+ recent major projects with 5-star reviews, showing that clients are not only satisfied but return with more work. Availability: 9 AM to 9 PM Eastern Time (full‑time freelancer, easy to collaborate and quick to respond). Portfolio: https://www.freelancer.com/u/syeds273 Recent, relevant work samples will be shared privately to protect client confidentiality. Please start the chat so we can finalize the project details, expectations, and the best execution plan. Regards,
$25 SGD in 19 Tagen
2,2
2,2

Good Day! I understand you need a full-stack HR platform with seven AI chatbots—focusing now on performance evaluation, leave management, and payroll automation—built with secure employee data vaults, automated tax/payslip workflows, N8N-driven integrations, and a modern, role-based web/dashboard system. Before starting, could you confirm whether your payroll logic must follow a specific country’s tax rules? Also, do you already have preferred hosting for the staging/production environments? With 5+ years in AI chatbot development, workflow automation (n8n), secure RBAC backends, and complex payroll systems, I’ve built compliance-ready platforms with audit trails, encrypted data models, resilient API flows, and responsive dashboards for HR approvals and overrides. I’m happy to share my portfolio. P.S. The budget is a placeholder; we can adjust it after discussing the project in more detail here. Looking forward to your response. Kind Regards, Hassan
$7 SGD in 40 Tagen
2,2
2,2

Hi there! I’ve built full-stack HR and payroll systems with integrated AI chatbots, including a recent project where I implemented performance reviews, leave automation and payroll calculations tied to N8N workflows. The main challenges were ensuring payroll accuracy, securing sensitive employee data and making chatbot→workflow→backend handoffs seamless. I solved these by designing a strict RBAC model, encrypting all PII, creating a payroll engine with unit-tested tax rules, and building fault-tolerant N8N flows with retry logic, dead-letter queues and detailed audit logs. I also delivered a responsive web portal + admin dashboard for HR approvals and chatbot monitoring. For your project, I can architect the data vault, implement the three core HR chatbots, automate payroll, build the N8N workflow layer and prepare deployment + technical documentation exactly as required. Ready to start immediately. Thanks!
$6 SGD in 40 Tagen
1,8
1,8

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