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Our SaaS platform already serves millions of visitors across 300+ branches, and new features keep piling up. I need a reliable developer who can stay with us for the long haul, taking ownership of backend work in Laravel and Python while pushing new UI pieces in React. You’ll also help wire advanced AI/LLM functionality into existing services, so being comfortable with tools like ChatGPT and Claude is important. Day-to-day you’ll: • Extend and refactor APIs, queues, and micro-services in Laravel or Python. • Build or enhance React components that consume those endpoints. • Prototype and integrate AI/LLM features (content generation, semantic search, agent workflows). • Ship to Ubuntu 22.04 VPS instances and keep an eye on performance, ideally with PostgreSQL on the back end. What makes you a good match – 3–5 years solid experience with React (your strongest area), plus competent Laravel and Python. – Habitual use of ChatGPT, Claude, or similar assistants to speed up research, testing, and documentation. – Clear English, quick responses, and predictable availability. Nice extras PostgreSQL tuning, Docker, DevOps on VPS, prior LLM production work. When you apply, please: 1. Summarise your JavaScript/TypeScript background. 2. Explain exactly how you rely on AI tools in your workflow. 3. Tell me the soonest date you could start and how many hours a week you can commit. 4. Add links or repos that best showcase past work relevant to this stack. I’m aiming for 30+ hours per week but can flex to hourly milestones once we’re rolling. If you thrive in a fast iteration environment and want a stable, ongoing partnership, let’s talk.
Projekt-ID: 40358135
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307 Freelancer bieten im Durchschnitt $20 USD/Stunde für diesen Auftrag

Hi Arnold, This is exactly the kind of long-term, high-ownership engagement we specialize in. You’re not just looking for a developer—you need someone who can step in, stabilize, and continuously scale a live SaaS platform without slowing momentum. That’s where we bring real value. Our team has strong depth in React (TypeScript, scalable component systems, performance-focused UI), backed by solid Laravel and Python experience across APIs, queues, and microservices. We’ve worked on high-traffic platforms where reliability and iteration speed both matter. On the AI side, we actively integrate LLM-driven features like semantic search, content generation, and agent workflows using tools such as ChatGPT and Claude—not just as add-ons, but as production-grade components. We can start immediately and commit 30–40 hours/week with consistent availability and fast communication. More importantly, we take ownership—proactively identifying bottlenecks, improving performance (PostgreSQL, VPS environments), and ensuring every release is stable and scalable. We’re confident in delivering on time while maintaining high engineering standards and clean architecture. Quick question: How are you currently orchestrating LLM workflows—stateless API calls, or do you maintain context/state across services (e.g., via vector DB or session layer)? Let’s build this for the long run. Best, SNR
$16 USD in 40 Tagen
9,1
9,1

Hi, I can support your SaaS platform long-term, handling backend (Laravel/Python), React UI, and AI/LLM integrations with a focus on performance and scalability. 1. JavaScript/TypeScript Background I have 10+ years working with React + TypeScript, building scalable component systems, dashboards, and real-time UIs. Strong experience with hooks, state management, API integration, and performance optimization for high-traffic platforms. 2. How I Use AI Tools I actively use tools like ChatGPT and Claude for: • Rapid prototyping of APIs and components • Debugging and refactoring code • Writing tests and documentation • Designing LLM workflows (RAG, semantic search, agents) This significantly speeds up development while maintaining clean, production-ready code. 3. Availability I can start immediately and commit 30–40 hours per week with consistent availability and quick communication. 4. Relevant Experience I’ve worked on SaaS platforms involving: • Laravel + PostgreSQL APIs with queues and microservices • React dashboards and user-facing applications • AI integrations (content generation, search, automation workflows) • VPS deployments (Ubuntu), performance tuning, and monitoring I focus on writing maintainable code, improving system performance, and shipping features quickly in fast-paced environments. We can communicate more on this matter. Kindly accept the offer so we can discuss further. Thank you Jennifer
$20 USD in 40 Tagen
9,2
9,2

Dear , 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, Python, PostgreSQL, Laravel, Git, AI Text-to-text, AI Chatbot Development, AI Model Development, AI Research, 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 USD in 5 Tagen
8,9
8,9

Hi, What specific features are you looking to prioritize for this SaaS platform? I have 5+ years of experience with React, Laravel, and Python, and I thrive on enhancing user interfaces while optimizing backend performance. I regularly utilize AI tools like ChatGPT for research and documentation, streamlining my workflow significantly. My approach involves prototyping directly into your existing services, ensuring a seamless integration of AI/LLM features. I can start as early as next week and am available for 30+ hours weekly. My expertise also extends to PostgreSQL and VPS management, ensuring your platform remains efficient and responsive. Looking forward to the opportunity to collaborate on this exciting project! Best, Priyanka
$15 USD in 40 Tagen
8,4
8,4

I am a Full-Stack Developer with over 4 years of experience specializing in React, complemented by solid skills in Laravel and Python. My expertise aligns well with your project's needs, as I have effectively managed and developed SaaS platforms serving global user bases. I bring a strong foundation in building responsive, dynamic UIs using React while handling complex backend processes in Laravel and Python. In my current role, I regularly utilize ChatGPT and Claude to enhance my workflow, whether for rapid prototyping, testing, or creating comprehensive documentation. This consistent use of AI tools ensures efficient task execution and innovative solution development. Additionally, my experience includes deploying high-performance applications on VPS and fine-tuning PostgreSQL databases, making me well-equipped to optimize your systems. I am available to start immediately and can commit 30+ hours per week. I invite you to review my GitHub portfolio, which showcases several projects relevant to your stack. I am eager to discuss how I can contribute to your team and help advance your platform's goals.
$20 USD in 40 Tagen
8,4
8,4

Hi there, I’ve read your ambitious SaaS roadmap and I’m confident I can own the Laravel/Python backend, extend React UI pieces, and weave AI/LLM features across services for millions of users. Asad here, you’re looking for a dependable long‑term partner who ships robust APIs, scalable queues, and performant micro-services, with a strong eye on Ubuntu 22.04 VPS and PostgreSQL as the backbone. With 3-5 years of React heavy delivery, solid Laravel and Python experience, and hands-on work with AI tools like ChatGPT and Claude, I’ve built and refactored APIs, implemented async job queues, and crafted AI-assisted features (content generation, semantic search, agent workflows) in production SaaS environments. I’ll approach your project by: 1) auditing existing services and API contracts, 2) refactoring and extending Laravel/Python micro-services, 3) building React components that cleanly consume those endpoints, and 4) prototyping AI features with clear evaluation metrics and observability. I’ll also ensure deployments to Ubuntu VPS are stable, with PostgreSQL tuning where needed. I’ve shared an initial estimate based on your description, and once we go over a few technical details, I’ll confirm the exact cost and delivery schedule. Here’s how I’d start: set up a small, deliverable API and a React component to validate the integration, then scale iteratively. What is the most critical AI feature you want first (content generation, semantic search, or agent workflows), and what metri
$15 USD in 85 Tagen
8,2
8,2

Hi, A long-term backend and frontend partnership on a SaaS platform serving millions of visitors across 300+ branches — Laravel, Python, React, and AI/LLM integration wired into production services. This is exactly the kind of stable, fast-iteration engagement we're built for. Our JavaScript/TypeScript background spans 5+ years building React applications from component architecture to production deployment — hooks, context, TypeScript interfaces, and REST/GraphQL consumption are daily tools for us. On AI integration: we actively use Claude and ChatGPT throughout our workflow — not just for code suggestions, but for semantic search prototyping, agent workflow design, prompt engineering, and LLM API integration into production services. It's part of how we ship faster without cutting quality. What we deliver ongoing: - Laravel and Python API extension, refactoring, and microservice maintenance - React component builds and enhancements consuming your existing endpoints - AI/LLM feature prototyping and production integration: content generation, semantic search, agent workflows - Deployment and monitoring on Ubuntu 22.04 VPS with PostgreSQL on the backend - Docker, DevOps support, and performance optimization as needed We can commit 30+ hours per week and are ready to start immediately. We'd love to review your current stack and discuss the first sprint on a quick call — everything stays private. Are you available this week? Anthony Muñoz
$25 USD in 40 Tagen
7,7
7,7

⭐⭐⭐⭐⭐ Reliable Developer for Laravel, Python, and React Projects ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a dependable developer for your SaaS platform. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects in backend development and UI enhancements. I will extend and refactor APIs, build React components, and integrate AI features efficiently within your budget. ➡️ Why Me? I have 5 years of experience in backend development using Laravel and Python, along with strong skills in React. My expertise includes API development, microservices, and AI integration. Plus, I have a solid grip on PostgreSQL and DevOps practices to ensure smooth deployment and performance monitoring. ➡️ Let's have a quick chat to discuss your project in detail. I’d love to show you samples of my previous work and how I can contribute to your team. Looking forward to our conversation! ➡️ Skills & Experience: ✅ Laravel Development ✅ Python Programming ✅ React Development ✅ API Integration ✅ Microservices ✅ AI Functionality ✅ PostgreSQL ✅ Ubuntu VPS Management ✅ Docker ✅ DevOps ✅ Agile Methodologies ✅ Problem Solving Waiting for your response! Best Regards, Zohaib
$17 USD in 40 Tagen
8,0
8,0

Hii, I’m a full-stack developer with 4+ years of experience in React, Laravel, and Python, building scalable web applications and SaaS platforms. I have hands-on experience integrating AI/LLM features like ChatGPT and Claude into production workflows for content generation, semantic search, and automation. How I work: Extend and refactor APIs, microservices, and queues in Laravel/Python with focus on performance and maintainability. Build and optimize React components consuming those endpoints with TypeScript for type safety and modularity. Prototype and integrate AI-driven workflows efficiently, using AI tools to speed up research, testing, and documentation. Deploy and monitor services on Ubuntu 22.04 VPS with PostgreSQL, Docker, and DevOps best practices. I’m available to start immediately and can commit 30+ hours per week, with flexibility for hourly milestones as needed. I’ll provide clean, maintainable code and clear communication throughout. Regards, Harpreet Singh
$20 USD in 50 Tagen
7,8
7,8

As a Senior Software Architect and Full-Stack Developer with over 15 years of experience, my broad range of skills positions me perfectly for your project. I have solid backend skills in PHP and am well-versed in the Laravel framework and Python that you require. Moreover, I possess in-depth frontend expertise in JavaScript (including TypeScript), specifically React, which is one of my strongest areas. Where I truly differentiate myself is in successfully integrating AI tools into my workflow. I've had ample experience using tools like ChatGPT and Claude to expedite research, testing, and documentation processes--thus improving productivity significantly. My commitment to using cutting-edge technologies and methodologies aligns perfectly with your project's scope. I'm ready to prioritize your project and can start as soon as needed while committing to at least 30 hours per week. With my robust experience in enterprise-grade software architecture and reliable delivery, you can trust me to not just meet but exceed your expectations. Let's join hands for this project and transform your SaaS platform into a more powerful service serving millions more.\
$20 USD in 40 Tagen
7,7
7,7

Hi there, We’ve built several large-scale SaaS products with Laravel, React, and Python, and we’ve integrated advanced AI features like semantic search and content generation. We also have extensive experience with CI/CD pipelines and server management, ensuring that we can handle everything from code to production. As a team, we can assign dedicated resources based on the task at hand. For example, if you need a front-end developer to work on a UI component, we can provide a specialist instead of relying on a back-end developer who may not be as efficient. 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
$22 USD in 40 Tagen
7,2
7,2

Dear Hiring Manager, Your SaaS platform serving millions across 300+ branches sounds like an exciting, high-impact environment. I’m a reliable full-stack developer with 4+ years of hands-on experience in React (my strongest skill), Laravel, and Python, and I’m very interested in a long-term role helping you scale features and integrate AI/LLM capabilities. 1. JavaScript/TypeScript Background I specialize in modern React with TypeScript — building scalable, performant UIs and complex components that consume APIs efficiently. I’ve delivered multiple production dashboards and customer-facing features using React 18+, Hooks, Context, Redux/RTK Query, and TanStack Query. 2. How I Use AI Tools I rely heavily on ChatGPT and Claude daily. I use them to brainstorm architecture, generate and refactor code snippets, write unit tests, debug tricky issues quickly, improve documentation, and prototype LLM features (prompt engineering, agent workflows, semantic search). They help me move 2–3x faster while maintaining clean, production-ready code. 3. Availability I can start as early as April 15, 2026, and commit to 35–40 hours per week consistently, with flexible scheduling around your needs. I thrive in fast-iteration environments and value clear communication. I’m comfortable with PostgreSQL, Ubuntu VPS deployments, and Docker. Looking forward to discussing how I can contribute long-term to your platform. Best regards, Mayank
$15 USD in 40 Tagen
7,5
7,5

Hi. I am a full-stack developer with strong experience in React, Laravel, and Python, including AI/ML integrations. I have built scalable web applications from frontend to backend, delivering clean, maintainable code on time and within budget. I am comfortable working with REST APIs, database design, and deploying AI-powered features into production environments. I take a collaborative approach, communicating clearly throughout the project to ensure your vision is executed accurately. I would love to discuss your project requirements further and am confident I can deliver high-quality results.
$20 USD in 40 Tagen
6,9
6,9

Hi I have strong experience across React (TypeScript-heavy), Laravel APIs, and Python microservices, working on high-traffic SaaS platforms where performance, scalability, and clean architecture are critical. A common issue in fast-growing systems like yours is fragmented backend logic and inconsistent API contracts, which slows frontend delivery and complicates AI feature integration. I address this by standardizing API layers, optimizing queues and async workflows, and structuring services so React components consume predictable, well-documented endpoints. I’ve also integrated LLM features using tools like ChatGPT and Claude for semantic search, content generation, and agent-based workflows within production systems. On the frontend, I build scalable React components with clean state management and performance-aware rendering, ensuring smooth interaction even with large datasets. On the backend, I focus on Laravel/Python service reliability, PostgreSQL optimization, and VPS deployments (Ubuntu/Docker) with monitoring in place. I regularly use AI tools in my workflow for rapid prototyping, debugging edge cases, generating test scenarios, and documenting APIs, which helps maintain speed without sacrificing code quality. I’m comfortable taking ownership, refactoring safely, and continuously improving both system performance and developer experience over time. Thanks,
$50 USD in 40 Tagen
7,0
7,0

Hi, We are a small team of SAAS developers, full-stack developers with 6+ years of experience, with React (TypeScript) as our strength. We have built and scaled component-driven UIs, optimised rendering performance, and integrated complex APIs in high-traffic SaaS platforms. On the backend, I’m comfortable working with Laravel and Python (FastAPI/Django), including API design, queue systems, and microservices. I’ve also worked with PostgreSQL, focusing on query optimisation and performance. AI tools are part of my daily workflow: I use ChatGPT and Claude for rapid prototyping, debugging, writing test cases, improving code structure, and accelerating documentation. I’ve also integrated LLM features like semantic search, content generation, and agent-based workflows into production systems. I can start immediately and commit 30–40 hours per week with consistent availability. Relevant work: SaaS automation platform (Laravel + React) AI-powered analytics dashboard (Python + React) Microservices-based system with queue processing Happy to share repos and live demos on request. Looking forward to contributing long-term. Best,
$20 USD in 40 Tagen
7,0
7,0

Hello, I’m a full-stack developer with strong experience in React (primary), Laravel, and Python, working on high-traffic SaaS platforms with API-driven architectures and ongoing feature delivery. -JavaScript / TypeScript 8+ years building React apps (hooks, state management, performance optimization) Experience with scalable UI systems and API integration in production environments -AI Workflow I regularly use tools like ChatGPT/Claude for rapid prototyping, debugging, test generation, and improving development speed while maintaining code quality and correctness -Backend Laravel + Python for APIs, queues, and microservices PostgreSQL, performance tuning, and VPS deployments (Ubuntu, Docker when needed) -Availability Can start immediately Available 30+ hours/week with consistent communication I’m comfortable taking ownership, iterating quickly, and integrating LLM features into existing systems without disrupting stability. Happy to share relevant work and discuss next steps. Best regards, Stelian
$25 USD in 40 Tagen
6,8
6,8

Hello, With over 4 years of experience in PHP, Laravel, and Python, I am well-equipped to handle the requirements of your project. I understand the need for a reliable developer to take ownership of backend work in Laravel and Python, while also contributing to UI development in React and integrating advanced AI/LLM functionality. My expertise in PHP, Python, PostgreSQL, Laravel, and AI development aligns well with the skills required for this project. I have carefully reviewed the project description and believe that I can deliver a professional solution that meets your expectations. I am keen to discuss further details and collaborate on this exciting project. Please feel free to connect with me via chat to explore how we can work together seamlessly. Best regards, Taimoor from Pixels Soft
$20 USD in 40 Tagen
6,4
6,4

Hello, I have extensive experience working with React, Laravel, and Python, focusing on creating scalable backend systems and responsive frontend interfaces. I am comfortable developing and refactoring APIs and microservices, building React components, and integrating AI features such as content generation and semantic search using tools like ChatGPT and Claude. I am eager to support your SaaS platform’s continued growth by maintaining and enhancing your backend services and user interface. I am used to leveraging AI assistants to improve efficiency in coding, testing, and documentation, and I understand the importance of performance monitoring and deploying on Ubuntu VPS systems. Thanks, Teo
$25 USD in 37 Tagen
6,5
6,5

Hi, I’m a full-stack developer with 4+ years of experience, with React/JavaScript as my core strength and solid hands-on work in Laravel and Python. I’ve built and scaled SaaS platforms, working extensively with APIs, microservices, and performance-focused architectures. On the frontend, I focus on clean, maintainable React components that integrate smoothly with backend systems. AI tools are a core part of my workflow—I regularly use ChatGPT and Claude for rapid prototyping, debugging, generating test cases, and improving documentation. This helps me move faster while maintaining code quality, especially when integrating LLM features like content generation and semantic search. I’m available to start immediately and can commit 30–40 hours per week with consistent communication and quick turnaround times. I’d be happy to share relevant repos and past SaaS work that aligns with your stack. Looking forward to building something long-term with your team. Best regards, Talha
$20 USD in 40 Tagen
6,7
6,7

I have strong experience in JavaScript and TypeScript with a primary focus on React, where I have built scalable dashboards, reusable components, and API driven interfaces over the past several years. I regularly use AI tools like ChatGPT and Claude to speed up debugging, generate code patterns, and improve documentation while keeping full control over final implementation decisions. I am comfortable working across Laravel and Python backends, extending APIs, and connecting them cleanly with modern React frontends. I have also explored AI integrations such as content generation and semantic workflows within production style environments. I can start immediately and am available for 30 to 40 hours per week with consistent communication. I am looking for a long term role where I can take ownership and continuously improve both performance and product quality. I am even commited to show my availablty for an unpaid test.
$20 USD in 40 Tagen
6,7
6,7

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