Thuê
RAG Pipelines Developer
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Hi, we are Sprexe Technologies — a seasoned Full-Stack & AI development team with over 14 years of experience delivering 500+ high-impact projects worldwide. We specialize in helping businesses scale, automate, and innovate through cutting-edge technology and custom solutions. Why Choose Sprexe Technologies? ⭐ Top 1% Preferred Freelancer/Team on Freelancer.com 🌍 Served clients in 70+ countries ⚡ Expertise in Web, Mobile, AI, and Cloud solutions 🏆 500+ projects delivered, from startups to enterprise platforms Our team of skilled professionals has extensive experience in providing a wide range of digital services such as: Web & E-commerce Development ✅ PHP ✅ WordPress ✅ Shopify ✅ OpenCart ✅ Laravel, ✅ SaaS Platforms Front-end & Back-end ✅ React.js ✅ Next.js ✅ Node.js ✅ Express.js ✅ Java ✅ Python ✅ Django ✅ FastAPI Mobile App Development ✅ React Native ✅ Flutter ✅ iOS & Android AI & Automation ✅ OpenAI API Integrations ✅ NLP ✅ RAG Pipelines ✅ Predictive Analytics ✅ AI Agents Databases & Cloud ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ AWS ✅ Azure ✅ Docker ✅ Kubernetes UI/UX & Design ✅ Figma ✅ Adobe XD ✅ Photoshop ✅ Illustrator CMS & Headless Solutions ✅ WordPress ✅ Shopify ✅ WooCommerce Payments & Integrations ✅ Stripe ✅ PayPal ✅ Twilio ✅ SendGrid ✅ Zapier ✅ Google Maps API What We Deliver ✅ 500+ Satisfied Clients ✅ Clients in 55+ Countries ✅ Quick Response Time < 2–3 Hours ✅ 5-Star Rated Profile Across All Platforms ✅ Support 5 Days/Week in EST, PST, MST, GMT (Partial Weekend Support) Selected Achievements ✅ Delivered high-performance SaaS platforms, AI-powered applications, and scalable e-commerce marketplaces ✅ Contributed to enterprise-grade ERP and CRM implementations ✅ Maintained 5-star ratings with 590+ client reviews across multiple platforms We are passionate about creating solutions that don’t just work—they drive measurable business growth. Whether it’s a web app, AI automation, or mobile platform, we combine innovation, speed, and scalability to deliver results that exceed expectations. 📩 Ready to innovate and scale? Contact us today to bring your project vision to life with cutting-edge technology and expert execution! Thank you for visiting our profile!

I'm a Senior Full-Stack & Mobile Developer with 6+ years of experience specializing in Flutter, Android (Kotlin/Java), iOS (Swift), and modern web technologies — JavaScript, React, Node.js, Laravel/PHP — with strong expertise in AI, automation, and e-commerce to build scalable, high-performance digital products across mobile, web, and cloud. What I Offer ✅ Mobile Apps – Flutter & React Native cross-platform apps, plus native Android (Kotlin/Jetpack Compose) & iOS (Swift/SwiftUI), with published apps live on Play Store & App Store ✅ Web Development & Design – Responsive, fast-loading websites and full-stack platforms with React, Next.js, Vue.js & modern UI ✅ WordPress & Shopify – Custom themes, plugins, Elementor, WooCommerce stores & Shopify customization built to convert ✅ APIs & Backend Systems – REST, GraphQL & microservices with Node.js, Laravel, Django, FastAPI, .NET ✅ AI & ML Solutions – Custom chatbots, AI agents, RAG systems, NLP & LLM integrations (OpenAI, Anthropic, LangChain) ✅ Automation & Web Scraping – Python bots, data extraction (Playwright/Selenium), workflow pipelines (n8n, Zapier, Make) ✅ Databases – MySQL, PostgreSQL, MongoDB & Redis: schema design, optimization & migrations ✅ Cloud & DevOps – AWS, GCP, Docker, Kubernetes, CI/CD & serverless deployments Tech Stack Mobile: Flutter, React Native, Swift/SwiftUI (iOS), Kotlin & Java (Android), Firebase, Supabase, PWA Languages: JavaScript/TypeScript, Dart, PHP, Python, Java, Kotlin, Swift, C# Frontend: React, Next.js, Vue.js, Angular, Tailwind CSS, HTML5/CSS3 Backend: Node.js, NestJS, Laravel, Django, FastAPI, .NET CMS & E-Commerce: WordPress, WooCommerce, Elementor, Shopify (Liquid) Databases: MySQL, PostgreSQL, MongoDB, Redis Cloud & DevOps: AWS, GCP, Docker, Kubernetes, CI/CD, serverless AI & ML: OpenAI & Anthropic APIs, LangChain, PyTorch, TensorFlow, Scikit-learn Why Work With Me? ✔ 6+ years shipping mobile, web & AI products — with apps you can download and try today ✔ End-to-end ownership: idea → design → development → testing → deployment → scaling ✔ Clean, documented code with handover docs, so your project stays maintainable ✔ Clear communication, honest timelines & a focus on real business results Let's build your next app, website, or AI solution — message me and you'll have a clear plan within hours!

I'm a Software Engineer with more than 3 years experience designing Data Science based solutions and delivering Full Stack Web Apps. Github: https://github.com/Hussien-Sayed Zindi: https://zindi.africa/users/Hussien/ Skills: - Full Stack Development [MERN Stack] - Data analysis with python [ Numpy - Pandas - Matplotlib - Seaborn ]. - Dashboard design [ PowerBI - Tableau - Excel - Looker Studio ]. - Web scraping [ Bs4 - Selenium - Scrapy ]. - Data analysis with Excel. - Excel Automation / UDFs / Macros [ VBA ]. - Statistical modeling. - Statistical Testing. - Deep learning [ Pytorch - Tensorflow ]. - Generative modeling. - Graph Neural Networks. - Computer Vision. - RAG Pipelines. Programming Languages: - Python - JS - HTML / CSS - SQL - Power Query - VBA - C/C++ - Matlab - Assembly Achievements: - Ranked (7th place out of 323 participants) in Cryptocurrency Price Forecasting Competition at Zindi. - Ranked (9th place out of 186 participants) in UmojaHack 2022 Monthly Insurance Challenge at Zindi.

I’m a backend developer and DevOps-oriented problem solver with experience building production-ready systems, automation tools, data pipelines, and game server infrastructure. I work with Java/Spring Boot, SQL, Python, Linux servers, Docker, Ansible, monitoring tools, and modern web stacks. I can help with API development, database design, infrastructure setup, automation scripts, performance debugging, data analysis, and technical problem-solving across full-stack projects. My focus is practical: clean code, reliable systems, clear communication, and solutions that actually work outside the demo environment.

Hi, I'm Sambit, a Full-Stack & AI Engineer with 5+ years of experience building modern web applications, AI-powered solutions, and scalable software products. I specialize in developing end-to-end applications—from intuitive frontend interfaces to robust backend systems and AI integrations. Whether it's a SaaS platform, an AI workflow, an internal business tool, or a custom web application, I focus on building fast, secure, and scalable solutions that solve real business problems. My expertise spans modern frontend development with React and Next.js, backend development using Node.js and PostgreSQL, and AI-powered applications using LLMs, AI agents, RAG, workflow automation, and API integrations. I enjoy turning complex ideas into production-ready products that deliver measurable business value.

Hi, I’m Marcus, software engineer. I know the value of time and money. My work never ends until you are 100% satisfied with each & everything. Following is the Expertise which I can Provide You: ✅Web Development: Core technologies include HTML, CSS, WordPress, PHP (Magento, CodeIgniter, Laravel), JavaScript (MEAN/MERN). ✅Desktop Applications: Java, Python, C/C++, Qt. ✅Blockchain: Metaverse, Web3, Smart Contracts, White Papers, Blockchain (Eth, WAX, Solana, BSC, Polygon), Arbitrage Bots, DEX, DApps ✅Mobile Development: Android, iOS, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR. ✅AI & Computer Vision: Machine Learning, OCR, Tensor Flow, OpenAI. Let’s create something amazing! Feel free to chat for a for free consultation. ******* I am looking forward to hearing from you! *******

AI/ML Engineer with experience building production-ready AI applications, multimodal processing workflows, and large-scale automation systems. Experienced across the full lifecycle of AI products — from data collection and experimentation to deployment, monitoring, and long-running production operation. Main areas of work include LLM applications, Retrieval-Augmented Generation (RAG), AI agents, multimodal AI systems, OCR/document understanding, machine learning pipelines, backend engineering, ETL infrastructure, and large-scale data automation. Focused on maintainability, observability, scalability, and pragmatic engineering decisions designed for real-world operational environments.

From premium websites and e-commerce stores to mobile apps, games and AI-powered automation, I build digital solutions tailored to each client's goals. My process covers strategy, design, development, deployment and ongoing support, so what I deliver is production-ready, scalable and built for measurable results. My expertise includes: ✅ Website Development ✅ Custom Web Applications ✅ Mobile App Development ✅ Game Development ✅ UI/UX Design ✅ WordPress & Shopify ✅ SEO & Digital Marketing ✅ Google & Meta Ads ✅ AI & Automation Systems ✅ API Integrations ✅ ChatGPT & AI Solutions ✅ Branding & Graphic Design ✅ Analytics & Business Intelligence ✅ Data Entry & Web Research I combine technical expertise, clean premium design and business strategy to create products that deliver real results. I'm easy to work with too: clear communication, fast responses and reliable delivery, so you always know where your project stands, from idea to completion.