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Backend-Focused Full-Stack Developer – AI-First Workflow FastAPI | AWS (RDS, S3) | Stripe | React App content marketing tool for SMEs, covering blogs & white papers, social posts, SEO & GEO optimisation Description We are hiring a backend-heavy full-stack developer to build a modern AI-powered web application for marketers. This is an AI-first development role. You will work primarily using AI coding agents rather than traditional coding. Core Tech Stack • Python, FastAPI (Backend) • PostgreSQL (AWS RDS) • React (Frontend) • AWS (S3, RDS, related services) • Docker / Containers Key Responsibilities • Build and scale backend systems using FastAPI • Design and manage PostgreSQL databases (RDS) • Integrate Stripe for billing and subscriptions • Integrate external APIs (e.g., GA4) • Implement user quotas and usage tracking • Develop secure and scalable APIs • Own frontend development (React) AI-Assisted Development (Critical) • Plan and break down tasks with AI agents • Write effective prompts for high-quality outputs • Iterate rapidly using AI-generated code • Detect and fix hallucinations or incorrect logic • Maintain production-quality code with AI assistance This is an AI-orchestrated development role, not traditional coding-heavy work. Backend & System Design • Strong Python / FastAPI experience • API design and scalable architecture • PostgreSQL data modeling Payments & Quotas • Stripe integration experience • Subscription systems • Usage-based billing • User quotas / rate limiting Authentication & Security • JWT authentication • OAuth integrations • Role-based access control Project Overview • AI-powered blog generation • GA4 analytics integration • User, billing, and quota management • 4 core application modules Who This Is For • System thinker, not just coder • Comfortable working with AI tools daily • Can plan and execute using AI agents If you're excited about building with AI as your primary tool — we’d love to work with you.
Projektin tunnus (ID): 40323317
66 ehdotukset
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Aktiivinen 8 päivää sitten
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Hello, I’ll deliver your AI-first content marketing tool by acting as a system architect, orchestrating AI agents to build your FastAPI/React stack with production-grade speed. Instead of manual coding, I focus on high-level prompt engineering and logic verification to ensure your SEO/GEO optimization modules are scalable and hallucination-free. My Approach: -> Architecture: Robust PostgreSQL/RDS modeling with JWT-based RBAC. -> Billing: Seamless Stripe integration for subscriptions and real-time usage quotas. -> Integrations: Modular API wrappers for GA4 and LLM-driven generation. I focus on building systems that are easy to extend as your AI features evolve, so you’re not stuck rebuilding later. Looking forward to discussing the architecture further. Best, Niral
£10 GBP 40 päivässä
0,0
0,0
66 freelancerit tarjoavat keskimäärin £21 GBP/tunti tätä projektia

With nearly two decades in the industry, CnELIndia brings a wealth of experience to the table, especially in AI development. As an AI-First development role, my team and I are ready to embrace the power of AI coding agents to deliver efficient and quality results that your content marketing tool demands. We have substantial expertise in Python, FastAPI, and PostgreSQL – crucial components of the project. Our skills in building reactive user interfaces using React will also enable us to own frontend development seamlessly. Moreover, we are no strangers to AWS. With services like RDS and S3 being integral parts of your vision, our team's familiarity with these services gives us a distinct advantage over our competitors. To further streamline the development process, our proficiency in Docker / Containers can ensure smoother deployments. Crucially, we understand that AI orchestration is central to this project. Our versatile skills in AI development and strong system design will allow us to plan intelligently and execute effectively leveraging the power of cutting-edge technologies that this project requires. We take pride in keeping pace with innovative tools like FastAPI and guarantee the timely detection and resolution of any hallucinations within the AI-generated codes. In a nutshell, if you're seeking a true system thinker who knows his way around AI tools for your game-changing project – please consider CnELIndia for it!
£8 GBP 40 päivässä
6,9
6,9

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With Regards! Nikhil
£10 GBP 40 päivässä
6,8
6,8

Hi, As an accomplished full-stack developer, I come to the table equipped with an array of valuable technical skills. I'm fluent in Python proficiency with FastAPI, AWS services such as S3 and RDS, and React for a Frontend, which is a perfect match for your project requirements. Additionally, my in-depth knowledge of databasing using PostgreSQL (AWS RDS), integrating Stripe APIs, your emphasis on AI-first development aligns well with my expertise in incorporating AI coding agents effectively. I am no stranger to building scalable API-centered solutions - an essential attribute in enabling secure and efficient user-facing experience for your application. In the domain of content marketing tools like yours, I have a robust track record in creating strategic user experiences through data modeling & system designs required for actionable insights & target-based content generation. Furthermore, while I do elevate the usage of AI agents throughout end-to-end software development right from task planning to fixing incorrect logics to maintaining production-quality code; don't confuse it with any absence of good 'ol human touch. My coding proficiency assures that any arisen issue or bugs will not be attributed to hallucination, for me; it's always #techassisted-human development. Lastly, I understand that this position calls for a thinker comfortable plan-executing using AI agents daily- let me assure you that I've walked this line bef Thanks!
£18 GBP 3 päivässä
5,9
5,9

Hi there, I'm Ivaylo, a backend-heavy full-stack developer who thrives in AI-first workflows. Your content marketing tool for SMEs aims at blogs, white papers, social posts, SEO and GEO optimization, powered by an AI-first approach. I will design a scalable FastAPI backend (PostgreSQL on AWS RDS, S3 for assets), robust Stripe billing, and secure, JWT/OAuth-enabled access with RBAC. I’ll architect modular API endpoints to support 4 core modules, integrate GA4 analytics, and implement quotas and usage tracking from day one. With AI-assisted planning, I’ll craft precise prompts, iterate on AI-generated code, and ensure production-grade quality with minimal hallucinations. I’ll also own frontend tasks in React to deliver a cohesive, fast user experience. I’m comfortable AWS-native deployment (Docker, containers) and will align with your AI-first development workflow to accelerate delivery while maintaining reliability. . If you value thoughtful system design, clear data modeling, and a pragmatic AI-driven development process, I’m excited to collaborate and bring this tool to market quickly. Best regards, Ivaylo
£22 GBP 32 päivässä
5,6
5,6

Hey, this is exactly the kind of AI-first system I’ve been building recently. Most teams struggle not with coding, but with structuring AI workflows properly — bad prompts = unstable systems. I focus on designing clean FastAPI architectures + AI agent workflows so outputs stay production-ready, not messy. I’ve built similar systems with FastAPI, PostgreSQL (RDS), Stripe subscriptions, and AI integrations (OpenAI/automation flows). Also comfortable with quotas, billing logic, and secure API design. For your app, I can handle backend, AI orchestration, and React frontend end-to-end. Happy to jump on a quick call and map your 4 modules with a clear execution plan. Let’s build this right from day one.r
£8 GBP 40 päivässä
5,7
5,7

Hello, I understand you are building an AI-first content marketing tool for SMEs with full backend and frontend responsibility. I specialize in Python/FastAPI backend design, PostgreSQL modeling, and scalable API architecture, with extensive experience integrating Stripe, OAuth, JWT, and AWS services. My approach ensures secure, high-performance systems that handle quotas, subscriptions, and analytics efficiently. I will leverage AI-assisted development for rapid iteration, task decomposition, and high-quality code generation, while validating outputs to prevent hallucinations or logic errors. The frontend in React will seamlessly integrate with backend APIs, delivering a smooth user experience across the blog, social, SEO, and GEO modules. GA4 analytics integration and usage tracking will provide actionable insights for end-users. Deliverables include fully functional backend and frontend systems, secure authentication, payment integration, and AI-assisted workflows that accelerate development without compromising quality. Thanks, Asif
£8 GBP 40 päivässä
5,5
5,5

With a company like Avalon AI, specialized in utilizing AI and capable of delivering scalable solutions with quality code that embraces automation, who else could be a better fit for your project? Leveraging over a decade of hands-on experience in technical and sales, I possess profound skills in Python, PostgreSQL among others that are vital to ensure the backend functionality of your content marketing tool for SMEs is top-notch. My expertise with n8n workflow automation, usage of Amazon Web Services and strong background in Python makes me an apt choice for building an AI-driven app that covers sections like blogs, social media posts, SEO & GEO optimization. I have successfully integrated multiple APIs including GA4 and I'm well-versed in implementing user quotas, usage tracking measures among other responsibilities mentioned. I am proficient with Stripe to ensure secure transactions, reliable subscriptions handling and user-centric billing process which would play forte being experienced in handling payment systems as used for subscription-based models. My clients continue benefiting from my knack for problem-solving and comprehensive understanding of AI assisted development which will be critical for planning tasks, maintaining code quality even when AI agents come to our aid.
£20 GBP 40 päivässä
5,5
5,5

Hi There!!! ★★★★ Building AI-First Content Marketing Platform for SMEs ★★★★ I understand you need a backend-focused full-stack developer to create an AI-powered content marketing tool for SMEs, covering blogs, social posts, SEO, and GEO optimisation, with Stripe billing, user quotas, and AI-assisted development for rapid, high-quality outputs. Services mentioned here based on project details ⚜ Backend API development with FastAPI and Python ⚜ PostgreSQL database design and AWS RDS management ⚜ AI-assisted content generation and workflow orchestration ⚜ React frontend integration and responsive UI ⚜ Stripe payment and subscription management ⚜ Secure authentication (JWT, OAuth) and role-based access ⚜ Deployment with Docker and scalable AWS infrastructure I have experience building AI-assisted web platforms, integrating Stripe, AWS services, and React, with focus on scalable, maintainable architecture. I’ll ensure your app leverages AI efficiently while keeping the system secure and performant. Looking forward to discussing and starting quickly! Warm Regards, Farhin B.
£5 GBP 40 päivässä
5,2
5,2

Hi there, I’m excited about the opportunity to develop the AI-first content marketing tool for SMEs, as it perfectly aligns with my experience as a backend-heavy full-stack developer. I have extensive experience in building scalable applications with Python and FastAPI, along with managing PostgreSQL databases on AWS RDS. To tackle this project, I’ll focus on designing a robust backend system while utilizing AI coding agents to enhance efficiency. I suggest implementing an initial set of user metrics to optimize performance right from the start. Recently, I worked on a similar project involving AI-assisted development for a subscription-based platform, successfully integrating Stripe for seamless payments and managing user quotas. I estimate a timeline of around 4 weeks for the initial build, if that works for you. Regards, Khurshid Ahmed
£18 GBP 17 päivässä
4,4
4,4

Hello, I went through your project description and it seems like that I am a great fit for this job. I have an expert team with many years of experience in Python, Amazon Web Services, PostgreSQL, Stripe, Docker, Web Development, React Native, API Development, FastAPI, AI Development. Please come over chat and discuss your requirement in a detailed way. Thank You
£8 GBP 40 päivässä
4,3
4,3

Hi there! You are building an AI-first marketing platform and the real challenge is orchestrating reliable backend systems with AI-generated code without letting quality or scalability slip. I have worked on FastAPI-based systems with AWS and Stripe where AI-assisted workflows were used to speed up delivery while maintaining production-grade APIs and clean architecture. This approach helped reduce development time while keeping systems stable under real user load. I will design a solid FastAPI backend with clear modular structure, integrate Stripe with usage-based billing and quotas, and ensure the AI-assisted workflow produces clean, testable code that scales properly across your modules. Check our work: https://www.freelancer.com/u/ayesha86664 How do you plan to track and enforce usage quotas across AI-generated content and API calls in real time? I am ready to start — just say the word. Best Regards, Ayesha
£21 GBP 40 päivässä
4,1
4,1

Hello, Your main challenge is building a modern AI-first content marketing platform that’s scalable, secure, and backend-focused while leveraging AI agents to accelerate development. I can architect and implement the FastAPI backend, PostgreSQL databases on AWS RDS, Stripe subscription and usage-based billing, and secure APIs with JWT/OAuth authentication and role-based access control. Approach: Design and scale backend systems with FastAPI and PostgreSQL, including usage tracking and quotas. Integrate Stripe for subscriptions, billing, and quota enforcement. Implement React frontend and API endpoints for a smooth, responsive UI. Leverage AI coding agents to plan tasks, generate high-quality code, and iterate rapidly, while reviewing outputs to prevent errors or logic issues. Integrate external APIs (GA4, analytics) and handle secure file storage on AWS S3. Containerize with Docker for consistent deployments and scalable architecture. The result will be a robust, AI-assisted platform for content generation, analytics, and subscription management. I’ll ensure production-quality code, strong system design, and maintainable AI-driven workflows. Cheers, Hassan Suhail
£8 GBP 40 päivässä
4,1
4,1

Hi there. How do you want quota enforcement handled - simple monthly usage caps by plan, or a more flexible model with module-level limits for blogs, social posts, SEO tasks, and analytics usage? Should the AI workflow stay inside one orchestration layer for generation, validation, and billing events, or do you want each module built as a separate service from the start? This is a strong fit for a backend-first AI product. The right approach is to build a clean FastAPI core with Stripe billing, RDS-backed usage tracking, secure auth, and modular AI workflows, then keep the React layer thin and easy to extend. Worked on similar AI-heavy SaaS systems before where content generation, quotas, billing, and external analytics had to work together reliably. The hardest part was usually not the model call itself, but making AI outputs, subscription logic, and usage controls stay consistent as the product grew. Solved that by separating orchestration, quota tracking, billing hooks, and API adapters, then using AI-assisted development for fast iteration with review-safe code, which improved delivery speed without hurting production quality. Strong background in FastAPI, PostgreSQL, AWS, Stripe, React, API integrations, and AI workflow systems, with hands-on experience using AI coding tools in real product delivery. This role is a very strong match, and ready to start immediately. Best, Ivan
£15 GBP 40 päivässä
3,3
3,3

I’m excited to help you build an AI-powered content marketing tool that’s clean, scalable, and user-friendly for SMEs. I’ve designed platforms for service-based businesses that blend backend efficiency with seamless frontend experiences. With strong experience in Python, FastAPI, PostgreSQL (AWS RDS), React, and Stripe integration, I’m comfortable building secure APIs, handling subscription billing, and managing usage tracking. The idea of orchestrating development using AI code agents is right up my alley, ensuring rapid iterations with top-tier code quality. Let’s chat more about your goals and AI-first approach. I promise I only hallucinate coffee breaks. Let's have a chat, Alicia
£8 GBP 14 päivässä
3,4
3,4

Hi there, I'm excited about the opportunity to develop your AI-first content marketing tool for SMEs. With over 9 years of experience in Python development and a strong focus on FastAPI, I am well-equipped to build scalable backend systems that you need. My background includes successful projects where I integrated Stripe for billing and managed AWS services such as S3 and RDS, ensuring smooth operations and user-friendly experiences. I can start immediately and am confident in delivering production-quality code while leveraging AI agents for efficient development. I have successfully implemented similar systems before, and I'm excited to bring that expertise to your project.
£37 GBP 20 päivässä
2,5
2,5

Hi there, It sounds like you need someone who can immediately tackle the backend-heavy architecture for your AI-first content marketing tool. I’ve spent the last 5 years building scalable FastAPI backends, AI-integrated systems, and subscription-based SaaS apps, so resolving challenges around RDS design, AI agent orchestration, Stripe subscription logic, and secure API development is exactly the type of problem I solve daily. To build this, I would structure the FastAPI services with clear modular boundaries, design a scalable PostgreSQL schema in RDS, implement Stripe’s subscription + usage metering flow, integrate GA4, and build a React frontend that works seamlessly with your AI-driven workflows. I’ll also implement quotas, RBAC, JWT auth, and AWS S3 file handling. Before I proceed, quick question: Which of the four core application modules would you like built first to align with your immediate product goals? Best, Generoso III
£14 GBP 23 päivässä
2,2
2,2

This is the kind of product I’d approach as a backend system first, with AI used to accelerate delivery, not replace engineering judgment. I’d structure it around FastAPI services, PostgreSQL on RDS, Stripe billing with quota enforcement, and a React frontend connected through clean, secure APIs. For an AI first workflow, I break work into small validated units, use coding agents for implementation speed, then review outputs carefully for schema issues, security gaps, edge cases, and bad abstractions before anything reaches production. The important part here is building reliable foundations for auth, usage tracking, billing, and external integrations so the content modules can scale cleanly. I’m comfortable working this way daily and can handle both system design and execution. If you find an honest, superior, senior developer, don't hesitate to hire me. Looking forwards to hearing from you. Thanks for your kind attention.
£8 GBP 40 päivässä
2,2
2,2

Hello, I am a Full-Stack Developer with over 10 years of experience in the AI-first development field. I understand that you are looking for a backend-heavy developer to create an AI-powered content marketing tool for SMEs. Using FastAPI and PostgreSQL is key for building robust backend systems for your application. My expertise in integrating Stripe for seamless billing aligns perfectly with your needs for subscriptions and user management. I can also ensure the security of user data through JWT authentication and OAuth systems. I appreciate the focus on AI-assisted development, allowing for faster iterations and high-quality code. This approach will maximize efficiency while maintaining production standards. I am skilled in leveraging AI tools for task management, which will enhance our development workflow. With experience in AWS, I can design a secure architecture that ensures scalability. My proven ability to design APIs and integrate external services like GA4 will provide comprehensive solutions that meet your requirements. Thank you for reading my proposal to the end, and I sincerely hope to work on this project with you. Best, Stanislav
£14 GBP 18 päivässä
1,8
1,8

Hi there. I saw "AI-first workflow" and knew this was the perfect fit—I’ve already built production apps where AI agents handled 80% of the code while I architected the system. ⏺️ I specialize in FastAPI, Stripe, and AWS (RDS/S3), and have built multiple subscription-based tools with usage quotas and GA4 integrations from scratch. ⏺️ I’ll own the backend scaling and React frontend, treating AI as my copilot to ship fast without cutting corners on security or logic. Let’s hop on a quick call to align on the modules—I’m ready to start immediately. Best Regards, Dyllan
£8 GBP 40 päivässä
1,4
1,4

With my AI-first approach, extensive backend and full-stack development skills, and vast experience with crucial components of your tech stack, including FastAPI, Python, PostgreSQL, AWS (S3, RDS), and React, I strongly believe that I am the ideal candidate to bring your ambitious content marketing tool for SMEs to life. Over my 13-year career, I have honed the ability to build scalable, secure, and efficient systems from scratch. Your project requirements resonate deeply with my specializations in API design and scalable architecture. My track record in successful Stripe payment integrations and usage-based billing systems guarantees a seamless user experience - something that is crucial for your content marketing platform. However, what sets me apart particularly for this project is my ability to leverage AI in development. I can efficiently plan tasks using AI agents, write high-quality prompts that lead to powerful outputs while rapidly iterating using AI-generated code. I also possess the skills to detect and fix any erroneous or illogical code en route to maintenance of production-quality code. Choosing me to spearhead this project will not just mean technical aptitude but also a knack for producing scalable solutions that drive business growth. Let's connect, discuss further about your needs and objectives—I'm truly excited about working with AI as the principal driver of your project!
£8 GBP 40 päivässä
1,3
1,3

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