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Full Stack Developer Required – Integrate Existing AI SaaS Platform Project Overview I already have an existing SaaS platform with approximately 41,000 lines of code. The audience intelligence system is already built and working. I am not looking for someone to build a new platform from scratch. I need an experienced full stack developer to integrate new features and improve the existing workflow. ⸻ Existing Features The platform already includes: * User authentication * Dashboard * Audience Intelligence reports * AI-powered analysis using Grok * Keyword analysis * Audience behaviour analysis * Emotional driver analysis * Content grading * Hook analysis * Growth recommendations * Content idea generation ⸻ What Needs Building 1. Admin Onboarding System Create an internal admin page where I can: * Create a customer account * Enter their niche * Upload analytics from their best-performing posts * Trigger the Audience Intelligence analysis The system should automatically: * Create the user profile * Run the existing Audience Intelligence engine * Save the report to the user’s account * Make the account ready for use This is an internal tool only. ⸻ 2. Audience Intelligence Updates Customers will regularly upload analytics from their latest posts. The system should: * Analyse the new data * Update the Audience Intelligence profile * Improve future recommendations * Keep previous data so the profile becomes more accurate over time The platform should continuously learn from new uploads. ⸻ 3. Generate Next Post Page This is a completely separate page from the Audience Intelligence report. The AI should automatically use the stored Audience Intelligence profile, including: * Audience DNA * Emotional drivers * Best-performing content formats * Hook styles * Keyword analysis * Topic analysis * Previous content performance The user should be able to generate new content without manually entering this information each time. Possible generation options include: * Opinion posts * Question posts * Educational posts * Story posts * Ranking/List posts * AI Recommended (best option based on audience data) The AI should personalise every output using the user’s stored Audience Intelligence profile. ⸻ 4. Image Generation After a post has been generated, the user should be able to click: Generate Image The image should be created based on: * The generated post * Audience Intelligence * Best-performing content format * Emotional driver * Audience preferences I do not want a simple fixed template system. The image generation should adapt to the user’s audience and the content style being generated. For example: * Politics should look different from Fitness. * Business should look different from Health. * Educational content should look different from Opinion content. The Audience Intelligence should influence both the content and the visual style. ⸻ 5. Dashboard Integration Everything should work together inside the existing platform. The workflow should be: 1. Admin creates account. 2. Analytics uploaded. 3. Audience Intelligence generated. 4. Customer logs in. 5. Customer views Audience Intelligence report. 6. Customer opens “Generate Next Post”. 7. AI creates personalised content. 8. User generates a matching image. 9. User downloads and posts the content. ⸻ Technical Requirements Preferred experience: * Full Stack Development * React / [login to view URL] * Node.js * API integrations * AI integrations * Database experience * Working with existing codebases Experience integrating AI APIs is highly desirable. ⸻ Important This is not a new SaaS build. Most of the platform already exists. I need someone who can understand an existing codebase, integrate new functionality, and produce clean, maintainable code. Please provide: * Examples of similar SaaS projects * Experience integrating AI * Estimated timeframe
Project ID: 40555285
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317 freelancers are bidding on average £185 GBP for this job

Hi there, We understand you need to enhance your existing AI SaaS platform with new features, specifically integrating an admin onboarding system, updating audience intelligence, generating next post pages, image generation, and dashboard integration. Our team at Webbook Studio has experience with full-stack development, having worked on similar projects such as a learning platform website for children and a website for an electric bike company, both utilizing PHP, WordPress, and custom design. We also have experience with Node.js, React, and API integrations, which would be beneficial for this project. One question: can you provide more details about the current tech stack and infrastructure of your existing SaaS platform to help us better understand the integration requirements? Feel free to message us to discuss the details! — Webbook Studio
£170 GBP in 3 days
9.2
9.2

Hi, The main risk is adding admin onboarding, profile updates, and two AI-driven creation flows without disrupting the existing SaaS. Since the Audience Intelligence engine is already in place, I’d focus on integrating the new pages and data flow so each upload strengthens the stored profile instead of overwriting history. I would start by reviewing the codebase, tracing how reports are stored, and mapping the current analysis pipeline. Then I’d build the internal admin onboarding flow, connect recurring analytics uploads to the same profile record, and make the “Generate Next Post” page pull audience DNA automatically. For image generation, I’d tie the logic to the generated post and audience profile so the style adapts by niche and content type. I’d also ensure validation, API handling, and testing throughout to keep the dashboard flow seamless and maintainable as the dataset grows. My team has strong experience in SaaS development, AI workflow integration, and scalable backend/frontend implementations. I can help preserve existing functionality while adding the new features cleanly and reliably.
£97 GBP in 5 days
9.4
9.4

Hi, there. I have carefully reviewed the project requirements for Enhance AI SaaS Platform with New Features. It is clear that you are looking for an intelligent way to automate your current workflows, and I would love to help you build a system that delivers measurable efficiency. My team and I specialize in AI automation and chatbot development that helps businesses in United Kingdom handle repetitive tasks without losing the human touch your customers expect. We focus on building stable, secure workflows using PHP, Website Design, Graphic Design, Full Stack Development, Node.js, AI Development, Database Management that integrate seamlessly with your existing platforms to reduce manual workload and improve response times. Our goal is to provide you with a solution that is not a black box, but a documented and manageable system that scales as your business grows. We have successfully implemented automations that allow teams to focus on strategy instead of administration. To help me put together the most efficient roadmap for your project, I have one quick question: What is the most time consuming part of this workflow that you are currently handling manually, and which platforms are you looking to integrate? Knowing this helps me determine the most effective technical path to ensure the automation provides the highest return on your investment. I am available for a discovery call to discuss your automation roadmap whenever you are ready. Best regards Kausar and the Team
£150 GBP in 3 days
8.8
8.8

With over a decade of Website Design and PHP development experience, and being the leader of a global Web Services company, I fully understand the importance of seamless integration and enhancing existing platforms. Your project description resonates with me as it beautifully aligns with my proficiency and expertise. As you rightly mentioned, "Miracles happen to those who believe in them", rest assured that your project is in safe hands and miracles will be created for your audience intelligence platform. Regarding your Technical Requirements, while I have not worked on integrating AI specifically, I have extensive experience in dealing with large codebases, database management, API integration, and working with the latest technologies which makes my adaptability to new technologies swift. My team's forte lies in creating not just efficient code but also an exquisite UI/UX design. Be it your Admin Onboarding System or implementing the Audience Intelligence Updates or even generating the content and customized image - we are capable of bringing all aspects of your project to life while keeping it simple and coherent for users.
£250 GBP in 4 days
8.6
8.6

Hi there, ★★★ Node.js / React Expert ★★★ 3+ Years of Experience ★★★ I understand you need to enhance your existing SaaS platform with new features and improve workflows. I will focus on integrating the admin onboarding system, updating audience intelligence, generating next post pages, and implementing adaptive image generation. My approach will include: - Reviewing the current codebase to ensure smooth integration. - Using Node.js for backend processes and React for the frontend to maintain a seamless user experience. - Implementing AI integrations to personalize content and images based on audience data. - Ensuring all new features work cohesively within the existing platform. Ready to get started!
£100 GBP in 30 days
8.4
8.4

Let me show you my similar projects over chat. I will deliver exactly what you need with high-quality, clean, and scalable solutions. I have rich expereince with similar projects as well. I am an experienced AI/SAAS/Full Stack Developer, I am sure you'll be impressed with both my work quality and commitment. Please ping me to get started and achieve outstanding results. Thanks!!
£250 GBP in 7 days
8.2
8.2

Hi, I understand you already have an AI SaaS platform and need an experienced full-stack developer to add new features and improve the existing workflow, not build everything from scratch. I can work with your current codebase and integrate the new functionality while keeping the platform stable and easy to maintain. I can build the admin onboarding system, enhance the Audience Intelligence updates, develop the "Generate Next Post" feature, integrate AI-powered image generation, and connect everything smoothly within your existing dashboard and workflow. Please check my profile to review my past projects and portfolio: https://www.freelancer.com/u/Hammadhassan21 I’m available to start immediately. Ping me to discuss the details and get started. Thanks.
£250 GBP in 7 days
7.9
7.9

Hi there, We’ve developed several AI-driven products, including a social media post generator that analyzes user data to create optimized content. We also built a Chrome extension that uses AI to summarize long articles into concise bullet points. With our extensive experience in AI and web development, we can deliver a fully optimized solution that meets your needs. We’re experts in both front-end and back-end technologies, so we can handle everything from server management to UI/UX design. We also prioritize product security and ensure that our solutions are robust against vulnerabilities. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
£100 GBP in 7 days
7.5
7.5

Hello, I am excited about the opportunity to enhance the AI SaaS platform with new features. With my expertise in Graphic Design, Website Design, PHP, Full Stack Development, Node.js, AI Development, AngularJS, and API Integration, I am well-equipped to integrate the required functionalities seamlessly. I understand the project requirements, including the need for an Admin Onboarding System, Audience Intelligence Updates, Generate Next Post Page, Image Generation, and Dashboard Integration. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I look forward to discussing this project further with you to explore how we can collaborate to bring these enhancements to life. Best regards, Warda Haider
£100 GBP in 4 days
6.8
6.8

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you enhance your existing AI SaaS platform with new features. I understand you need to integrate an admin onboarding system, update the audience intelligence engine, generate next post pages, and create image generation capabilities, all while working with your existing 41,000 lines of code. My team and I have experience with similar projects, such as a learning platform website for children and a website for an electric bike company, both of which involved complex integrations and AI-powered analysis. I can deliver a seamless integration of these new features, ensuring the platform continuously learns from new uploads and provides personalized content and image generation for your users. One question: what is the expected volume of customer accounts and analytics uploads, and how will this impact the platform's performance and scalability? Feel free to message me to discuss the details! — Markiyan
£160 GBP in 3 days
6.9
6.9

Hello There!!! ★★★★ ( Enhancing existing AI SaaS platform with new admin onboarding, adaptive intelligence & content/image generation features ) ★★★★ Project understanding: I understand you already have a working AI SaaS with audience intelligence and you need new features integrated into the existing codebase. The work includes admin onboarding system, continuous audience data learning, a “Generate Next Post” AI page, image generation, and full dashboard workflow integration without rebuilding the platform. Services: ⚜ Admin onboarding system for client account creation & analytics upload ⚜ Integration with existing Audience Intelligence engine without rebuild ⚜ Continuous learning system to improve audience profiles over time ⚜ AI “Generate Next Post” page using stored audience intelligence ⚜ Context-aware AI image generation based on content & audience data ⚜ Full dashboard workflow integration across SaaS modules ⚜ API + AI integration with clean and maintainable code updates I have exp in full stack SaaS development and working on large existing codebases using Node, React/Next and AI APIs. I focus on improving systems step by step without breaking current features. I usually start with core data flow then move to AI generation and UI integration, keeping everything stable and scalable. Happy to discuss timeline and technical approach with you. Warm Regards, Farhin B.
£110 GBP in 10 days
6.7
6.7

Hello! We can help integrate the new features into your existing SaaS platform and improve the workflow. 1. Which part should we tackle first in the existing platform? 2. Do you already have the admin flow and image generation logic defined? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
£135 GBP in 7 days
6.8
6.8

Most SaaS integrations fail not because the AI is hard, but because the existing system doesn’t have a clean “data flow layer” between stored audience intelligence and new features. Your core platform in React + backend AI pipeline is already strong, so this is mainly about extending it without breaking the Audience Intelligence engine. The Admin Onboarding system becomes a controlled trigger that feeds new customer data into your existing Grok-based analysis pipeline, then stores structured profiles that all other features reuse instead of recalculating. The “Generate Next Post” and image generation layer should simply consume that stored Audience DNA and apply it consistently across content and visual style, so fitness, politics, business, and education all produce different outputs without manual prompting. Everything stays inside your current dashboard flow, with new modules plugged into the same profile-driven architecture. What matters most first: is your current Audience Intelligence output already structured as reusable JSON data, or is it still mostly text-based reports? Best regards, Fizza Nadeem K
£70 GBP in 4 days
6.0
6.0

Hello, Do you have a preferred AI API for integration? Have you faced any challenges with the existing codebase? I'm excited about enhancing your SaaS platform. I'll seamlessly integrate the new features into your current setup, ensuring smooth operation and user experience. I'll handle potential code integration challenges by carefully analyzing and adapting to the existing structure. I'll send examples of similar projects in chat. Let's chat to discuss the timeline and project costs once we review the details together. Looking forward to your reply. Feel free to reach out for a quick chat or call!
£250 GBP in 4 days
5.7
5.7

<<<✔Consider it DONE✔>>> YO! I understand your project and I'm eager to help. Drawing from my extensive experience in full stack development, API integrations, AI-powered web tools and working with existing codebases, I can integrate new features into your existing SaaS platform with fluidity. I have a history of helping clients transform unclear concepts into clean, maintainable code that yields real results, echoing what you are looking for in a candidate. My proficiency in WordPress Development extends to working with plugins, ensuring their optimal performance to security management and migration. This waterfall of skills extends to front-end/back-end work and database management which aligns well with the technical requirements. Due to the project's exponential growth prospects, my AI integration skills will prove valuable. Introducing solutions like ChatGPT/OpenAI integration and working on prompt workflows demonstrate my capacity to leverage AI's evolving capabilities and drive futuristic solutions. My modus operandi focuses on producing practical digital solutions which align impeccably with your vision similar to previous SaaS projects I have executed. Looking forward to being part of your project! You will surely be impressed by my work! Not sure what the next step is? I offer free and professional consultation -- I'm just a text away. All the very best, Josh
£135 GBP in 2 days
5.9
5.9

Hi, expanding an established AI SaaS platform is about fitting new features into the existing architecture without disrupting the workflows your users already rely on. The internal admin onboarding flow, continuously evolving Audience Intelligence profiles, and the separate Generate Next Post experience all need to work as one connected system instead of isolated features. I will integrate the new functionality into your current React and Node.js codebase with clean, maintainable code, keeping the AI, database, and dashboard tightly connected so recommendations and image generation improve as more audience data is collected. Before estimating the timeline, is the current Audience Intelligence engine exposed through internal services or is its logic embedded directly within the existing application? Best regards, Muhammad Saad K
£70 GBP in 4 days
5.7
5.7

Hi, I reviewed **Enhance AI SaaS Platform with New Features** and I'm confident I can deliver exactly what you're looking for. With hands-on experience in **PHP, Website Design, Node.js, AngularJS, Full Stack Development**, I build professional, scalable, and user-focused solutions that are designed for performance and growth. I believe in clear communication, quality work, and on-time delivery. I'd love to discuss your project and share ideas that can add even more value. View some of my previous work: Looking forward to hearing from you.
£200 GBP in 7 days
5.9
5.9

I am excited about the opportunity to enhance your existing AI SaaS platform! My experience in full stack development, particularly with Node.js and React, will ensure a smooth integration of the new features you need. For the admin onboarding system, I will create an intuitive internal page that allows for efficient customer account management. The audience intelligence updates will be designed to learn from new posts and refine recommendations over time, making the platform truly adaptive. I like how you are focusing on personalization in your content generation. By leveraging audience DNA and emotional drivers, the AI will help create unique posts that resonate with users. I’m eager to integrate a robust image generation system that aligns visuals with the content style and audience preferences. How do you envision the user experience for the Generate Next Post feature? What data analytics do you have on your existing user base to inform improvements? Can you share any current challenges within the existing code that I should be aware of? I'm ready to dive in and build upon your already impressive platform!
£20 GBP in 14 days
5.8
5.8

✋ Hi there. I can integrate these new features into your existing AI SaaS platform, including the admin onboarding system, intelligent Audience Intelligence updates, and the dynamic content generation and image creation workflows. ✔️ I have strong experience working with existing codebases and recently integrated similar AI-driven features into a SaaS platform, building an admin dashboard for account creation and automated report generation. I will develop this by first understanding your current codebase and database structure to seamlessly add the admin onboarding system that creates accounts and runs the audience analysis. I will then build the continuous learning engine to update profiles with new data, create the "Generate Next Post" page that pulls from the user's stored audience DNA to create personalized content (opinion, educational, story, etc.), and integrate an adaptive image generation system that uses the audience profile to determine the visual style and content format for each post. Please click the 'Chat' button to start our valuable conversation. Looking forward to collaborating with you! Best regards, Mykhaylo
£135 GBP in 7 days
5.4
5.4

What stood out to me is that the hard part here isn't generating content or images—it's making sure every new feature actually respects the Audience Intelligence system you've already spent time building. With a 41k-line codebase, I'd start by tracing how the current analysis pipeline stores audience profiles, recommendations, and report data before adding anything new. The admin onboarding flow should essentially become a controlled entry point into the existing engine rather than a separate process. Once that's mapped, I'd build the profile enrichment layer so new analytics uploads update audience signals over time without overwriting historical performance data. For the "Generate Next Post" page, I'd pull directly from the stored audience profile and create a generation workflow that automatically injects the right context instead of asking users to re-enter information. The image generation piece should use those same audience signals so the visual output evolves alongside the content recommendations. I've worked on AI-driven platforms where the challenge was integrating new workflows into existing production systems without breaking established logic, and that's very similar to what you're describing here. One thing I'd want to confirm first: what stack is the existing platform built on, and how is the current Audience Intelligence data structured and stored? I'm ready to dig into the codebase and start from there.
£150 GBP in 5 days
5.6
5.6

Peterborough, United Kingdom
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Member since May 19, 2023
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