RAG developers For Hire
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Sponsored Freelancers
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Hire AdeelAslam4
We're BrainX, a Pakistan-based software team that builds and maintains mobile apps people actually use. Baritastic, a HIPAA-compliant bariatric care app we've maintained for over 5 years, has 500,000+ installs and a 4.6 rating on Google Play, with native iOS and Android builds, wearable integrations across Fitbit,...We're BrainX, a Pakistan-based software team that builds and maintains mobile apps people actually use. Baritastic, a HIPAA-compliant bariatric care app we've maintained for over 5 years, has 500,000+ installs and a 4.6 rating on Google Play, with native iOS and Android builds, wearable integrations across Fitbit, Garmin, and Apple HealthKit, and a provider dashboard for care teams. That's not the only one live today: • Ponder, an AI voice-therapy app on both app stores • CaloTracker, an AI-powered calorie and nutrition tracker built in Flutter, with photo and barcode scanning and Apple Health sync • LUMP, a cross-platform Flutter social meetup app with a Node.js and MongoDB backend, live on both stores • RollStrong, a Flutter fitness app with a working subscription model, live on both stores • SwapDotz, an app using native NFC integration to verify and trade physical collectibles Clients back this with real budgets: one mobile app project came in at over $17,000, another at over $4,000, both five-star reviews specifically praising our delivery and communication. AI development is core to what we build into mobile • MathAMentor, an AI maths tutor students talk to through a live avatar • Call Sling, an AI agent that answers and routes inbound calls • DocuMed, AI medical transcription with mobile, web, and offline support • RAG assistants, document and workflow automation, and support bots running across websites and WhatsApp for live clients Also part of what we do: Web Development • Next.js, React, Node.js, Python, and Laravel Shopify & Custom eCommerce • Custom storefronts and eCommerce builds UX/UI Design • Full product design from concept through interface Tell us what you're building and we'll walk you through how we'd approach your mobile app. less -
Hire bitfumes
I take AI features from demo to production. 5 years as a Senior Software Engineer at Pfizer building enterprise software, 10+ years shipping code, and I teach AI development to 150K+ developers on YouTube (@sarthaksavvy). What I build: - AI agents that use your tools and data - RAG chatbots over your documents and...I take AI features from demo to production. 5 years as a Senior Software Engineer at Pfizer building enterprise software, 10+ years shipping code, and I teach AI development to 150K+ developers on YouTube (@sarthaksavvy). What I build: - AI agents that use your tools and data - RAG chatbots over your documents and databases - LLM integrations (OpenAI, Claude, open-source models) in your existing product - Workflow automation that saves real hours What you get: clean, tested, production-ready code, clear updates, and a fix-it-first approach when your AI demo breaks on real users. Message me with what you're trying to build, and I'll reply with a plan and estimate. less -
Hire maiolidev
I’m a Senior Full-Stack Developer specializing in JavaScript and TypeScript, with strong experience building reliable web applications, APIs, and AI-powered solutions. I work across the full development lifecycle — from understanding requirements and designing the architecture to development, testing, integration,...I’m a Senior Full-Stack Developer specializing in JavaScript and TypeScript, with strong experience building reliable web applications, APIs, and AI-powered solutions. I work across the full development lifecycle — from understanding requirements and designing the architecture to development, testing, integration, deployment, and ongoing improvements. My core stack includes Node.js, TypeScript, React, Next.js, React Native, PostgreSQL, REST APIs, Docker, and CI/CD. I also build AI-powered applications using LLMs, RAG, vector databases, and LangChain.js. I can help you with: • Full-stack web application development • Node.js and TypeScript backend development • React and Next.js applications • REST API development and third-party API integrations • PostgreSQL database design and optimization • AI, LLM, RAG, and chatbot integration • React Native mobile applications • Existing application debugging, optimization, and modernization I focus on clean, maintainable code, clear communication, and delivering solutions that solve real business problems — not just completing development tasks. less -
Hire LoaiHassan
🚀 𝗦𝗘𝗡𝗜𝗢𝗥 𝗦𝗢𝗙𝗧𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 𝗟𝗔𝗥𝗔𝗩𝗘𝗟 • 𝗣𝗛𝗣 • 𝗣𝗬𝗧𝗛𝗢𝗡 • 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 ✅ 200+ Successfully Completed Projects 🏆 7+ Years of Professional Experience 🌟 Officially Ranked as a Top 3% Freelancer on Freelancer.com 💯 100% Job Completion Rate 🎖️ 1MAC Certified ⭐ 𝗣𝗿𝗼𝘂𝗱𝗹𝘆 𝗕𝗮𝗰𝗸𝗲𝗱 𝗯𝘆 𝗥𝗲𝗮𝗹 𝗖𝗹𝗶𝗲𝗻𝘁 𝗥𝗲𝘃𝗶𝗲𝘄𝘀 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗧𝗿𝘂𝘀𝘁 👇 𝗦𝗰𝗿𝗼𝗹𝗹...🚀 𝗦𝗘𝗡𝗜𝗢𝗥 𝗦𝗢𝗙𝗧𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 𝗟𝗔𝗥𝗔𝗩𝗘𝗟 • 𝗣𝗛𝗣 • 𝗣𝗬𝗧𝗛𝗢𝗡 • 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 ✅ 200+ Successfully Completed Projects 🏆 7+ Years of Professional Experience 🌟 Officially Ranked as a Top 3% Freelancer on Freelancer.com 💯 100% Job Completion Rate 🎖️ 1MAC Certified ⭐ 𝗣𝗿𝗼𝘂𝗱𝗹𝘆 𝗕𝗮𝗰𝗸𝗲𝗱 𝗯𝘆 𝗥𝗲𝗮𝗹 𝗖𝗹𝗶𝗲𝗻𝘁 𝗥𝗲𝘃𝗶𝗲𝘄𝘀 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗧𝗿𝘂𝘀𝘁 👇 𝗦𝗰𝗿𝗼𝗹𝗹 𝗗𝗼𝘄𝗻 𝗧𝗼 𝗦𝗲𝗲 𝗧𝗵𝗲𝗺 ━━━━━━━━━━━━━━━━━━━ 💼 𝗠𝗬 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🌐 Custom Web & Enterprise Application Development 📱 Android & iOS Mobile App Development 🧠 AI Development, RAG Systems & Intelligent Agents 🤖 Automations, Bots & Workflows 📊 Dashboards, Admin Panels, ERP & CRM Systems 🔗 API & Third-Party Integrations 💳 Payment Gateway Integration 🕷️ Web Scraping & Data Extraction 🐍 Python Development & Scripting 🔌 Custom Plugin Development 📡 IoT, Bluetooth & Microcontroller Systems ━━━━━━━━━━━━━━━━━━━ 💡 𝗪𝗛𝗔𝗧 𝗦𝗘𝗧𝗦 𝗠𝗘 𝗔𝗣𝗔𝗥𝗧 🎖️ 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹𝗶𝘀𝗺 & 𝗖𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁 I value professionalism, clear communication, and delivering results on time. Every project is handled with dedication, responsibility, and attention to detail to ensure a smooth and stress-free experience for my clients. My goal is not only to meet expectations, but to exceed them through quality work, reliability, and long-term support. 🎯 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻 As a Senior Software Developer, I build high-quality, scalable, and reliable solutions with strong attention to detail, performance, and clean architecture. Every project is developed with precision to ensure flawless execution and long-term maintainability. 🤝 𝗘𝘁𝗵𝗶𝗰𝘀 & 𝗧𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝗰𝘆 Trust, honesty, and transparency are the foundation of my workflow. I only accept projects that fall within my expertise to ensure realistic expectations, efficient communication, and successful delivery without wasting your time or budget. 🚀 𝗙𝘂𝘁𝘂𝗿𝗲-𝗣𝗿𝗼𝗼𝗳 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I don’t just write code for today, I create scalable systems designed to evolve with your business. My goal is to deliver software that remains modern, maintainable, and easy to upgrade in the future. 💡 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 & 𝗖𝗿𝗲𝗮𝘁𝗶𝘃𝗶𝘁𝘆 ✔ Unique Algorithms & Smart Functionality ✔ Creative Solutions That Add Business Value ✔ Modern Technologies & Industry Best Practices ✔ Competitor Research & Innovation-Focused Development 🛠️ 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗔𝗳𝘁𝗲𝗿-𝗦𝗮𝗹𝗲𝘀 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 My support continues after project completion. Whether you need improvements, fixes, upgrades, or additional features, I’m always available to help keep your software optimized and up to date. ━━━━━━━━━━━━━━━━━━━ 🚀 𝗟𝗘𝗧’𝗦 𝗕𝗨𝗜𝗟𝗗 𝗦𝗢𝗠𝗘𝗧𝗛𝗜𝗡𝗚 𝗘𝗫𝗖𝗘𝗣𝗧𝗜𝗢𝗡𝗔𝗟 I’m passionate about transforming ideas into powerful digital solutions that help businesses grow and stand out. 📩 Let’s discuss your project and turn your vision into reality. less -
Hire DngPhgNam
Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI...Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI Software ✔ AI Web/Mobile App Development, full SaaS development(fast MVP, scale to real-product) ✔ AI Sales & Marketing Agents - automate customer engagement and follow-up ✔ AI Customer Service Bots - 24/7 chat, voice, and email automation ✔ Voice AI Assistants - for calls, appointments, and orders ✔ CRM & Funnel Integrations - HubSpot, GoHighLevel, Salesforce, Zoho ✔ Custom ML Models - trained for prediction, NLP, and automation tasks ✔ CMS & E-commerce Platforms – WordPress, Shopify, WooCommerce (custom themes, plugins, AI integrations, automation) ✅ Microsoft 365 Solutions ✔ Microsoft Copilot & Copilot Studio ✔ SharePoint Development & Administration ✔ Power Automate Workflow Automation ✔ Power Apps Business Applications ✔ Power BI Dashboards & Reporting ✔ Microsoft Teams & Microsoft 365 Integrations ✔ Azure OpenAI & Enterprise AI Solutions ✅ Embedded AI & Electronics ✔ Edge AI Systems – ML models running directly on devices (ESP32, Jetson, Raspberry Pi) ✔ IoT Device Prototypes – connected sensors, controllers, and data pipelines ✔ Embedded Vision & Audio AI – on-device image and voice recognition ✔ Hardware + Cloud Integration – send real-time sensor data to AI dashboards ✔ Rapid Hardware MVPs – prototype boards, firmware, and control apps 🌟 Tech & AI Stack ✔ AI/ML: OpenAI GPT, Claude, Llama, Hugging Face, PyTorch, TensorFlow, scikit-learn ✔ Automation: LangChain, Make.com, Zapier, n8n ✔ Embedded: Arduino, ESP-IDF, Raspberry Pi, Jetson, MicroPython, Edge TPU ✔ Cloud: AWS, GCP, Azure – scalable & secure deployment ✔ DevOps: Docker, Kubernetes, GitHub Actions for CI/CD ✔ Languages: Python, TypeScript, C/C++, Node.js, C# 🌟 Why Work With Me ✔ I build complete systems - from AI logic to working hardware ✔ Fast prototyping for startups - MVPs that can grow into real products ✔ End-to-end delivery - hardware, software, and cloud working together ✔ Startup speed with enterprise-level reliability Let’s turn your idea into a smart AI-powered product - from chip to cloud. Build fast. Launch faster. Scale confidently. less -
Hire scriptersZ
We are Codesigma Technology Services, a full-stack development agency based in India with 10+ years of delivering complex, production-ready applications. Our founder and top developers have experience working with Inc. 5000 companies and professional teams across the world, bringing a strong understanding of diverse,...We are Codesigma Technology Services, a full-stack development agency based in India with 10+ years of delivering complex, production-ready applications. Our founder and top developers have experience working with Inc. 5000 companies and professional teams across the world, bringing a strong understanding of diverse, multicultural work environments to every project. We are a tight team of experienced developers - small enough to move fast, experienced enough to build right. You always work with the most senior person, not a project manager who delegates to juniors. What we've built: -> Cross-platform POS system - React, Firebase, Flutter, Electron - running on Web, Android, iOS, macOS, and Windows with full offline-first functionality and real-time sync -> Multi-channel e-commerce aggregator - unified management of Amazon, Flipkart, Shopify, Meesho, Nykaa orders, inventory, warehouse, and payment reconciliation -> Real-time audio/video interpretation SaaS - Twilio Voice/Video, Task Router, BoostLingo integration, serving a global user base -> Booking systems, media streaming platforms, headless CMS websites, Shopify applications, and WordPress plugins across industries Our technical stack: Frontend: React, Next.js, Angular, JavaScript, TypeScript Backend: Node.js, PHP (Laravel, CodeIgniter), Python Mobile & desktop: Flutter, React Native, Electron.js Real-time: Twilio, Firebase, WebSockets Data: MySQL, MongoDB, PostgreSQL, Firestore Integrations: Stripe, PayPal, Razorpay, Shopify API, Amazon SP-API, GraphQL Infrastructure: AWS, Linux server management, deployment We are the right fit if you need: - A long-term development partner, not a one-off freelancer - End-to-end ownership from architecture to deployment - Cross-platform delivery (web + mobile + desktop from one team) - Complex integrations with third-party APIs and platforms - Clean, documented, maintainable code that your team can take over We work on fixed-price and hourly engagements. For ongoing projects, we offer monthly retainer arrangements. Let's discuss your project. less -
Hire jtolbert0175
I'm a Senior Software Engineer with extensive experience building modern web platforms, AI-powered applications, SaaS products, enterprise software, mobile apps, APIs, and cloud-native solutions. I transform ideas into scalable, secure, and high-performance products that deliver exceptional user experiences. From...I'm a Senior Software Engineer with extensive experience building modern web platforms, AI-powered applications, SaaS products, enterprise software, mobile apps, APIs, and cloud-native solutions. I transform ideas into scalable, secure, and high-performance products that deliver exceptional user experiences. From MVPs to enterprise systems, I manage the complete software development lifecycle—including architecture, UI/UX implementation, backend development, AI integration, cloud deployment, performance optimization, and ongoing maintenance. I write clean, maintainable, and well-documented code while following industry best practices and agile methodologies. ⚙️Core Expertise ✔️ Frontend: React.js, Next.js, Vue.js, Angular, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Material UI, Bootstrap, Redux ✔️ Backend: Node.js, Express.js, NestJS, Python, FastAPI, Django, Flask, Laravel, ASP.NET Core, Java Spring Boot, REST APIs, GraphQL, WebSockets ✔️ Mobile: React Native, Flutter, Swift, SwiftUI, Kotlin, Android, iOS, Expo, Firebase ✔️ Artificial Intelligence: OpenAI, GPT, Claude, Gemini, Llama, LangChain, LangGraph, RAG, AI Agents, Prompt Engineering, Fine-tuning, Hugging Face, TensorFlow, PyTorch, YOLO, Computer Vision, NLP ✔️ Database & Data: PostgreSQL, MySQL, SQL Server, MongoDB, Redis, Firebase, Supabase, Elasticsearch ✔️ Cloud & DevOps: AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD, GitHub Actions, Jenkins, Linux, Nginx ✔️ Integrations: Stripe, PayPal, Twilio, SendGrid, Google APIs, Microsoft Graph, Shopify, WooCommerce, Salesforce, HubSpot ✔️ Development: Microservices, Authentication (OAuth/JWT), API Development, System Design, Performance Optimization, Security, Testing, Git, Agile/Scrum I prioritize quality, scalability, security, and long-term maintainability while maintaining clear communication and delivering projects on time. Whether you need a complete application, AI integration, mobile solution, backend API, or cloud infrastructure, I'm committed to building reliable software that helps your business grow. less -
Hire DeMit19
Full-Stack Developer specializing in web applications, APIs, cloud systems, CMS platforms, automation, and IoT/device-to-cloud integrations. I build and maintain production applications across the frontend, backend, infrastructure, CMS, and integration layers. My work includes SaaS platforms, business websites,...Full-Stack Developer specializing in web applications, APIs, cloud systems, CMS platforms, automation, and IoT/device-to-cloud integrations. I build and maintain production applications across the frontend, backend, infrastructure, CMS, and integration layers. My work includes SaaS platforms, business websites, e-commerce systems, real-time applications, automation workflows, API integrations, cloud deployments, and IoT telemetry systems. **Core Development** * Frontend: React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS * Mobile App Development: Android, iOS, React Native, Java ,Object C, Flutter, Expo, Swift, Kotlin, mobile API integration, push notifications, app store deployment * Backend: Node.js, PHP, REST, GraphQL, WebSockets * CMS & E-commerce: WordPress, WooCommerce, Shopify, Webflow, Strapi, Contentful, Sanity, Headless CMS, custom themes, plugin development, Elementor, Gutenberg, WP REST API * Databases: PostgreSQL, MySQL/MariaDB, Firebase/Firestore, DynamoDB * Cloud & DevOps: AWS, GCP, Azure, Docker, CI/CD, GitHub Actions * Automation: Python, n8n, Make, Zapier, webhooks, API integrations * IoT: MQTT, HTTP/REST, sensor integration, telemetry, edge processing, device provisioning, OTA workflows, IoT dashboards I can work across an existing codebase or take a feature from architecture through implementation, testing, deployment, and documentation. For projects involving external systems, I focus on clear API boundaries, reliable error handling, authentication, logging, monitoring, and reproducible deployments. Portfolio: https://dejan-mitrovic.vercel.app/ less
