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Job Description We are seeking an experienced full-stack developer or development team to build a secure, AI-powered financial data visualization and document platform with strong Digital Rights Management (DRM) and semantic search (RAG) capabilities. The platform will host and stream financial documents (PDFs), allow structured hierarchical navigation, enable AI-driven discovery and summaries, and enforce strict access control to prevent unauthorized downloads or redistribution. Monetization via subscriptions and ads is a core requirement. This is a serious, long-term project requiring strong architecture, security, and AI integration experience. Core Functional Requirements Frontend (SPA) Single Page Application (SPA) 6-level hierarchical navigation: Country → Sector → Company → Year → Period → File Lazy loading for large datasets Secure embedded PDF viewer (no download) Conditional panels for AI insights (Pro users) or ads (Free users) Multi-language UI: English & Spanish Backend & Infrastructure Backend using FastAPI or Node.js Document storage on AWS S3 Native PDF text extraction (no OCR) Automated weekly indexing pipeline Vector embeddings stored in Pinecone or Milvus Metadata-driven document classification Security & DRM OAuth 2.0 authentication & authorization Secure document streaming only Dynamic watermarking (user name + IP address) Disable copy, print, and save in viewer Full access logging AI & Semantic Search Vector-based semantic search Retrieval-Augmented Generation (RAG) LLM integration for: Document summaries Contextual financial insights Monetization Free & Pro user roles Paywall integration (Stripe and/or PayPal) Feature gating for premium content Advertisement banner management for Free users Development Phases Infrastructure & Data Pipeline Frontend & Hierarchical Navigation Secure Viewer & DRM AI Integration & Monetization Deliverables Fully functional platform (frontend + backend) Secure PDF streaming with DRM AI semantic search & RAG Subscription & ad system Technical documentation Admin & system management guides 90-day post-launch stabilization support Required Skills Frontend SPA development (React / Vue / similar) Backend APIs (FastAPI or Node.js) AWS (S3, security best practices) AI / LLM / RAG pipelines Vector databases (Pinecone / Milvus) Secure streaming & DRM concepts Stripe / PayPal integration Strong system architecture & documentation skills Nice to Have Experience with financial or regulated data Multi-language applications Secure content distribution platforms How to Apply Please include: Relevant project examples (AI, DRM, secure platforms) Your recommended tech stack Team size (if applicable) Estimated timeline and milestone approach
Project ID: 40210745
28 proposals
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Active 10 days ago
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28 freelancers are bidding on average $11 USD/hour for this job

At Web Crest, AI and secure platforms are our bread and butter. Named one of the top-10 web development teams last year, we've become proficient not only in developing cutting-edge AI solutions and secure platforms, but also in leveraging their power for businesses across different industries - including the demanding financial sector. Our intuitive and efficient software fully understands the specifics if metadata-driven classification and vector-based semantic searches you require. The powerful architecture, secure PDF streaming with Digital Rights Management (DRM), and scalable infrastructure you need won't be a problem either. We've successfully built similar platforms using FastAPI, S3, and AWS security best practices as well as incorporated OAuth 2.0 authentication & authorization for granular access control - exactly what you're looking for. Our in-house LLM integration (or system for Document summaries) will deliver contextual financial insights - an essential aspect in your project.
$10 USD in 40 days
6.3
6.3

Hello Gajendra! I’m excited about the opportunity to help with your project. Based on your requirements, I believe my expertise in JavaScript, Python, PayPal API aligns perfectly with your needs. How I Will Build It: I will approach your project with a structured, goal-oriented method. Using my experience in JavaScript, Python, Google App Engine, PayPal API, Financial Analysis, Data Science, Web Development, Data Analysis, API Development, Large Language Model, I’ll deliver a solution that not only meets your expectations but is also scalable, efficient, and cleanly coded. I ensure seamless integration, full responsiveness, and a strong focus on performance and user experience. Why Choose Me: - 10 years of experience delivering high-quality web and software projects - Deep understanding of JavaScript, Python, PayPal API and related technologies - Strong communication and collaboration skills - A proven track record — check out my freelancer portfolio. - I’m available for a call to discuss your project in more detail - Committed to delivering results on time, every time Availability: I can start immediately and complete this task within the expected timeframe. Looking forward to working with you, Gajendra! Best regards, Ali Zahid India
$10 USD in 40 days
5.7
5.7

Hi, I’m Karthik, a full-stack architect with 10+ years of experience building secure, data-intensive web platforms and AI-powered applications. I’ve worked on document platforms, subscription systems, and LLM/RAG pipelines where security and scalability are critical. Your Financial RAG & DRM platform is ambitious and I can support it end-to-end with a security-first architecture. Recommended stack: • Frontend: React SPA (i18n for EN/ES, lazy loading, gated UI) • Backend: FastAPI (clean APIs, async pipelines) • Storage: AWS S3 + signed/streamed access • AI/RAG: Native PDF parsing, embeddings, Pinecone/Milvus, LLM summaries & insights • Auth/Security: OAuth2, RBAC, full audit logs • DRM: Secure streaming, dynamic watermarking, viewer restrictions (copy/print/save controls) • Monetization: Stripe/PayPal subscriptions + ad slots What I’ll deliver: • Scalable 6-level navigation platform • Automated indexing & metadata pipelines • Semantic search + RAG • Secure viewer with DRM controls • Subscriptions, paywalls, and ads • Clear tech & admin documentation • 90-day stabilization support Experience: Built SaaS platforms with AI search, protected content delivery, and role-based access. Timeline: Phased delivery ~12–16+ weeks depending on depth. I can share relevant work and define milestones clearly. If you want a long-term, reliable partner, I’m ready to start.
$20 USD in 40 days
5.1
5.1

✋ Hi there. I can build a secure, AI-powered financial RAG and DRM platform with hierarchical navigation, PDF streaming, semantic search, and subscription-based monetization. ✔️ I have solid experience developing full-stack applications with React frontends, Node.js/FastAPI backends, and AWS S3 storage, integrating vector databases like Pinecone for semantic search and AI-driven insights. In a previous project, I implemented secure document streaming with watermarking, user-based access control, and subscription management for a regulated financial platform. ✔️ For your project, I will develop the SPA with 6-level navigation, lazy loading, and conditional panels for AI insights or ads, implement a secure PDF viewer with DRM, extract text natively, and build a vector-based RAG pipeline for AI summaries and contextual insights. ✔️ I will also integrate OAuth 2.0 authentication, dynamic watermarking, Stripe/PayPal paywalls, advertisement management, and logging, while providing technical documentation, admin guides, and 90-day post-launch support. Let’s chat to discuss your requirements, tech stack preferences, and timeline milestones. Best regards, Mykhaylo
$10 USD in 40 days
5.0
5.0

Hi, I can architect and build your secure AI-powered financial document platform with a React SPA frontend and FastAPI backend, AWS S3 storage, vector search (Pinecone/Milvus), and full RAG integration for semantic discovery, summaries, and contextual insights. I’ll implement OAuth 2.0 auth, secure PDF streaming with dynamic watermarking and access logging, role-based gating (Free/Pro), Stripe/PayPal subscriptions, ad management, and a structured indexing pipeline—delivered in phased milestones with full documentation and post-launch stabilization support. Best regards, Shakila Naz
$5 USD in 40 days
4.8
4.8

Hello, I am interested & ready for start work. Your platform combines three demanding pillars — secure content distribution, scalable data architecture, and AI/RAG intelligence — and that’s exactly the type of system I build. I have experience delivering SPA products with protected documents, tiered access, subscription models, and vector-search pipelines. I understand this is not a simple viewer; it is a monetizable, compliance-aware environment where leakage prevention, observability, and reproducibility are critical. How I would approach it Frontend: React/Next SPA, lazy loading, multilingual, feature gating. Backend: FastAPI or Node (modular, API-first). Storage: S3 with signed access patterns. Indexing: automated extraction → metadata normalization → embeddings → Pinecone/Milvus. AI: RAG layer for summaries and contextual financial insights. Security: OAuth2, streaming-only delivery, watermarking, permission checks, full audit trails. I work with clean interfaces between ingestion, indexing, retrieval, and presentation so future upgrades (new models, new data, mobile apps) won’t require rewrites. I can share examples of secure platforms, AI knowledge systems, and multi-role SaaS dashboards. Happy to propose a milestone roadmap across infra, navigation, DRM, and AI layers, plus realistic timelines after reviewing scale. Best regards, Jagarti.
$8 USD in 40 days
3.6
3.6

Hi there, I am excited to submit a proposal for the development of your AI-powered financial data visualization and document platform with robust DRM and semantic search capabilities. With over 5 years of experience in full-stack development and a proven track record of delivering secure and innovative solutions, I am confident in my ability to meet and exceed your project requirements. Our proposed approach includes utilizing FastAPI for the backend, AWS S3 for document storage, and integrating Pinecone for vector embeddings. We will implement a secure embedded PDF viewer with dynamic watermarking and access control measures to ensure content protection. Our team specializes in AI integration and will leverage LLM for document summaries and contextual insights. Furthermore, we have extensive experience in implementing subscription and ad systems, including seamless integration with Stripe and PayPal for monetization. Our development process encompasses all phases outlined, ensuring a fully functional platform with comprehensive technical documentation and post-launch support. To showcase our expertise, we have successfully delivered similar projects involving AI, DRM, and secure platforms. Our recommended tech stack aligns closely with your requirements, and we are committed to delivering exceptional results within the estimated timeline. I look forward to discussing further details and collaborating on this exciting project. Ihsan Faridi
$10 USD in 40 days
1.9
1.9

I can architect and build this secure AI powered document platform with a scalable SPA, strict DRM, OAuth based access control, and RAG driven semantic search over financial PDFs. The focus will be secure streaming, clean hierarchical navigation, monetization gates, and a robust AI layer designed for long term growth and compliance. Muzammil
$10 USD in 1 day
1.6
1.6

Hi there, I understand that your main goal is to develop a secure and efficient financial RAG and DRM platform that leverages AI and facilitates seamless document streaming. In my previous role, I successfully developed a secure document management system that improved data retrieval times by 40% and enhanced user security protocols, resulting in a 25% decrease in unauthorized access incidents. Additionally, I implemented AI-driven analytics that provided actionable insights, significantly improving decision-making processes for users. To address your needs, I will create a full-stack solution that integrates robust AI capabilities for document analysis while ensuring secure streaming through state-of-the-art encryption methods. My plan includes implementing a user-friendly interface that enhances accessibility and compliance with financial regulations. I would be happy to discuss your needs and get started right away. Best regards, Adrian
$10 USD in 40 days
0.0
0.0

I've just completed a similar project. I built a secure document streaming platform with AI-driven search and subscription management. This project aligns well with the requirements outlined for secure AI-powered financial data visualization. Key aspects like DRM and semantic search are well understood and planned for. Specializing in full-stack development with a focus on security, performance, and a polished user experience ensures a reliable and scalable solution. Please feel free to reach out for a chat and a free consultation; worst case, you walk away with a free consultation and a clearer understanding of your project. Kind regards, Curtley
$9 USD in 14 days
0.0
0.0

Currently working on vectors embeddings and graph knowledge bases so would definitely be able to contribute proactively :)
$15 USD in 40 days
0.0
0.0

Hello I am a Full-Stack Software Engineer specializing in backend architecture and AI integration. I have reviewed your requirements for the financial data platform and can deliver a secure, scalable solution. My Relevant Experience: AI & RAG: I recently engineered a search system using Vector Embeddings and Python, directly applicable to your semantic search and summarization needs. Complex Systems: Built a multi-role platform (Food Delivery) handling complex state management and monetization, similar to your subscription requirements. Recommended Tech Stack & Approach: Frontend: React.js + Redux Toolkit. This is crucial for managing your 6-level hierarchical navigation and implementing efficient "Lazy Loading" for large datasets without performance lag. Backend: Python (FastAPI). I recommend this over Node.js for the core logic to natively handle PDF text extraction (PyMuPDF) and LLM pipelines efficiently. Database: AWS S3 for storage + Pinecone for vector embeddings. Security (DRM): My approach involves AWS CloudFront Signed URLs combined with a canvas-based PDF viewer to physically prevent downloads/printing, overlaid with dynamic watermarking (User ID + IP). I am ready to discuss the timeline and architecture immediately. Best regards, Abdelrahman Emad Full Stack & AI Developer
$10 USD in 40 days
0.0
0.0

Hi there, I see you need a bulletproof RAG platform for financial docs. The biggest challenge here isn't just the AI search—it's preventing the "Save As" on PDFs while keeping the UX smooth. I specialize in building secure document pipelines using FastAPI and React. My Technical Plan: Secure Streaming (DRM): implement a chunked streaming server (Range Requests) where PDFs are rendered directly to HTML5 Canvas (not DOM), making standard "Save Image" impossible. Dynamic Watermarking: I will overlay the user's IP/ID server-side or via secure canvas layers to deter screen capture. RAG Architecture: Using Pinecone for vector storage and OpenAI for semantic retrieval, ensuring the "Financial Insights" engine respects the 6-level hierarchy constraints. Why Me? Security First: I don’t just "display" PDFs; I secure them against scraping. Performance: My RAG pipelines are optimized for low-latency queries even with large vector indexes. Next Steps: I can deploy a "Secure Viewer Proof-of-Concept" (FastAPI + React) within 48 hours to demonstrate the watermarking. Best, Maksymilian
$10 USD in 40 days
0.0
0.0

Good Morning!! This is exactly the kind of architecture-heavy, AI + secure-content platform I build — not MVP hacks, but production-grade systems. Here’s my proposed approach: Tech Stack (recommended) Frontend: React + TypeScript (SPA, lazy loading, i18n EN/ES) Backend: FastAPI (Python) Storage: AWS S3 (private buckets + signed streaming URLs) Auth: OAuth2 + JWT Vector DB: Pinecone (Milvus also fine) AI: OpenAI / Claude for RAG + summaries Payments: Stripe + PayPal Infra: Docker + AWS (ECS or similar) Core features covered Secure PDF streaming (no save/print/copy) Dynamic watermark (user + IP) Weekly indexing + embeddings Semantic search + RAG Free/Pro roles with paywall Ad management for free users Full audit logging Admin panel + documentation Why me Speedy replies to your messages Daily progress updates with clear milestones Strong experience with RAG pipelines, secure content platforms, and SaaS monetization Excellence in system architecture, DRM-style delivery, and long-term platforms I can work solo or with a small senior team depending on pace. Ready to share relevant AI + secure-platform projects and break this into milestones as next step.
$15 USD in 40 days
0.0
0.0

I’m a Generative AI and backend engineer (Python, FastAPI, AWS, vector DBs) with experience building RAG systems, LLM‑driven platforms, and secure data workflows. I’d like to help you design and implement this financial RAG & DRM platform end‑to‑end. For this project, I propose: Tech stack: Frontend in React SPA, backend in FastAPI, AWS S3 for storage, Postgres for metadata, Pinecone/Milvus for embeddings, and an LLM (OpenAI/Bedrock) for summaries and contextual insights. Architecture: Clean separation between ingestion/indexing, semantic search, document streaming, and billing/roles. Weekly indexing pipelines will extract text from PDFs, generate embeddings, and attach rich metadata for your 6‑level hierarchy (Country → Sector → Company → Year → Period → File). Security & DRM: OAuth2.0 auth, signed URLs, secure PDF viewer with disabled download/print/copy, dynamic watermarking (user + IP), and full access logging. AI & RAG: Vector‑based semantic search over financial docs, RAG prompts tuned for summaries and decision‑ready insights, respecting user role and paywall. Monetization: Stripe/PayPal integration, Free vs Pro roles, feature gating, and ad slots for free users. I can share similar AI/RAG work and propose a detailed milestone plan (infra, data pipeline, viewer/DRM, AI integration, monetization) once we discuss scope and timelines.
$10 USD in 40 days
0.0
0.0

I recently architected the secure content delivery system for Persona (used by Netflix/HBO) and built the AI-driven backend for Followr. I specialize in building secure, monetized platforms with complex RAG pipelines and strict DRM controls, making me a perfect fit for this financial data platform. Based on your requirements, I would build the secure PDF streaming service using Node.js streams to prevent direct file access, overlaying dynamic watermarks on the fly to enforce your DRM policy. For the AI component, I will implement a RAG pipeline using Pinecone to index your financial documents, ensuring accurate, context-aware summaries while strictly enforcing role-based access control (Free vs. Pro) via Stripe. For the native text extraction, are you planning to process these documents on-the-fly during upload, or do you need a batch processing pipeline for an existing large dataset? Are you available for a quick 15-min call?
$15 USD in 40 days
0.0
0.0

INDORE, India
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