Relational Databases Experts For Hire
Showing 31 results
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Hire larc509
Soy economista con amplia experiencia en el sector público, especializado en la elaboración de presupuestos gubernamentales, análisis de bases de datos y diseño de iniciativas presupuestales anuales. Mi enfoque combina precisión técnica con eficiencia operativa, ideal para instituciones que buscan optimizar sus...Soy economista con amplia experiencia en el sector público, especializado en la elaboración de presupuestos gubernamentales, análisis de bases de datos y diseño de iniciativas presupuestales anuales. Mi enfoque combina precisión técnica con eficiencia operativa, ideal para instituciones que buscan optimizar sus recursos y tomar decisiones basadas en datos. Me especializo en: • 📊 Planeación y ejecución presupuestal • 📈 Modelado financiero en Excel • 🧠 Análisis de datos con SQL y Python (en desarrollo) • 📋 Automatización de reportes y creación de dashboards • 🧮 Consultoría en eficiencia presupuestal para gobiernos, ONGs y empresas Me apasiona construir sistemas visuales y prácticos que simplifiquen la información compleja y generen claridad para la toma de decisiones. Si buscas a alguien que entienda tanto el lenguaje técnico como el institucional, estoy listo para ayudarte. less -
Hire arturg6
Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software...Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software engineering to create efficient, scalable, and intelligent solutions for businesses, startups, and individuals. 🎓 Academic Background ✓ Master's Degree in Mathematics ✓ Doctoral Research Experience in Mathematics ✓ Published Research Author ✓ Scientific Computing & Mathematical Modeling ✓ Advanced Statistics & Data Analysis 💻 Development Expertise 🔹 Frontend Development • React.js • Next.js • Vue.js • TypeScript • JavaScript (ES6+) • HTML5, CSS3, Tailwind CSS 🔹 Backend Development • Node.js & Express.js • Python (Django, Flask, FastAPI) • PHP & Laravel • RESTful APIs • Authentication & Security 🔹 Database Systems • PostgreSQL • MySQL • MongoDB • SQLite • Database Design & Optimization 🤖 Artificial Intelligence & Data Science • OpenAI & ChatGPT Integration • AI Chatbot Development • LangChain Applications • Machine Learning Solutions • Natural Language Processing (NLP) • TensorFlow & PyTorch • Data Analytics & Visualization • Predictive Modeling • Automation & Intelligent Workflows ☁️ Cloud & DevOps • AWS Cloud Services • Google Cloud Platform (GCP) • Docker & Kubernetes • CI/CD Pipelines • Linux Server Administration • Nginx & Apache • Infrastructure Automation 📊 Mathematics & Research My mathematical background enables me to approach projects with strong analytical thinking and precision. Areas of interest include: • Machine Learning • Graph Theory • Optimization Algorithms • Statistical Analysis • Scientific Computing • Linear Programming • Mathematical Modeling • Data Mining ⭐ Why Choose Me? ✓ Strong Problem-Solving Skills ✓ Research-Oriented Mindset ✓ Clean & Maintainable Code ✓ Fast and Clear Communication ✓ Reliable Project Delivery ✓ Scalable and Secure Solutions ✓ Long-Term Technical Support 🎯 My Goal To help clients transform ideas into high-quality digital products through modern web technologies, artificial intelligence, and data-driven solutions. Whether you need a web application, AI-powered system, automation workflow, API integration, database solution, or custom software, I am ready to help bring your vision to life. 📩 Feel free to contact me to discuss your project. less -
Hire KESHAVINFOTECH
KESHAVINFOTECH KESHAVINFOTECH
$7 USD / hour
Quick & Affordable AI Dev: Mobile, Web, Games, IoTIndia## 18+ Years of Experience | AI-Powered Development | Top on Freelancer Hi there! I’m Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+...## 18+ Years of Experience | AI-Powered Development | Top on Freelancer Hi there! I’m Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+ experts working from our 5,000-sq-ft office. We aren't just "tech guys"—we are "techpreneurs" who love building great products. ### Why Work With Us? We combine 18 years of deep experience with the speed of modern AI. => Faster Delivery: We use the latest AI tools (Cursor, Claude, ChatGPT) to write and check code faster. => Better Pricing: By using AI and ready-made assets, we save time on manual tasks. We pass those savings on to you. => Proven Quality: We are in the Top Rank of the Freelancer.com community with a very high repeat hire rate. ### What We Do Best - Mobile Apps: iOS, Android, and Flutter. - Specialized Apps: BLE, IoT, NFC, and Hardware integration. - Game Development: High-quality Unity Games. - Web Development: Laravel, Node.js, React, Vue, WordPress, and Shopify. - Design: Modern UI/UX Design for apps and websites. ### How We Work (Step-by-Step) We follow a clear process so there are no surprises: 1. Scope: We create a detailed study document of your requirements. 2. Planning: We build wireframes and data flow diagrams. 3. Design: We create the system design and all app screens. 4. Testing Plan: We define test cases for all devices. 5. Development: Our team starts the programming phase. 6. Review: Regular updates and reviews with you. 7. Launch: Final testing, bug fixing, and deployment to your server. ### Availability & Communication - Response Time: Usually within 12 hours. - Working Days: Monday to Saturday. - Working Hours: 10:00 AM to 8:00 PM. Our Goal: We aren’t looking for a "one-time project." We want to build a long-term business relationship with you. We guarantee our work and won't stop until you are 100% happy. Ready to start? Let’s chat about your project! Best Regards, Ghanshyam & Samir Keshav Infotech less -
Hire toqeer74
I am a full-stack developer and IT Consultant helping startups, businesses, and growing brands build custom websites, web applications, APIs, dashboards, and scalable digital solutions. I focus on delivering secure, high-performing, and business-focused systems that solve real problems and support long-term growth. ...I am a full-stack developer and IT Consultant helping startups, businesses, and growing brands build custom websites, web applications, APIs, dashboards, and scalable digital solutions. I focus on delivering secure, high-performing, and business-focused systems that solve real problems and support long-term growth. Core Expertise - Custom Websites and Web Applications - Frontend Development with React and Next.js - Backend Development with Node.js, Python, PHP, and Laravel - API Development and Third-Party Integrations - Dashboards, Portals, and Admin Panels - Database Management with MySQL and MongoDB - SEO, GEO, and AEO optimization - AI Automation, AI Chatbots, and AI Agents - Technical Planning and Consultation I also work with Digital Web Crew, a professional development and growth agency that supports clients with practical, reliable, and results-driven digital solutions. This allows me to combine personal technical expertise with a strong team-based approach whenever a project requires broader support. What You Can Expect - Clear and professional communication - Clean, secure, and scalable development - On-time delivery - Strong attention to detail - Long-term support and reliable project handling My goal is simple: to understand your requirements clearly, deliver quality work on time, and build solutions that create real business value. Invite us for a demo, proof of concept, or pilot project. Regards, Toqeer less -
Hire mojjammil
I build and ship full-stack applications that work in production—not just prototypes. My core stack is React, Next.js, Node.js, and PostgreSQL. I develop complete systems including backend APIs, frontend interfaces, mobile apps (React Native), and deployment pipelines using Docker and Amazon Web Services. I’ve...I build and ship full-stack applications that work in production—not just prototypes. My core stack is React, Next.js, Node.js, and PostgreSQL. I develop complete systems including backend APIs, frontend interfaces, mobile apps (React Native), and deployment pipelines using Docker and Amazon Web Services. I’ve worked on SaaS products, dashboards, and eCommerce platforms with real users, integrating payments (Stripe), authentication, and third-party APIs. I focus on performance, scalability, and clean code so your product doesn’t break as it grows. No hand-holding needed - I can take your idea from concept to deployed product. less -
Hire senbhavin
Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped...Founders come to me when they need one engineer who owns the entire product: React, Next.js, Node.js, Python, AI integration, mobile app, and deployment. I build AI-powered SaaS products, MVPs, and full-stack web and mobile applications from architecture to production deployment. In 10+ years, I have shipped products used by real businesses: → Built multi-tenant SaaS platforms with schema-based data isolation, role-based access control, Stripe subscription billing, and full admin dashboards deployed and running in production. → Integrated OpenAI, Claude, Azure OpenAI, and LangChain into real products, building AI agents, RAG pipelines, and speech-to-text workflows. → Engineered custom NLP engines with 93.3% entity accuracy, sub‑20ms responses, and scalable processing across 500+ products in a 5‑step state machine. → Developed React Native and Flutter apps with real-time features, third-party payment, and map integrations, delivered simultaneously on iOS and Android. → Engineered real-time architectures using WebSockets, SignalR, and Socket IO for platforms handling 10,000+ concurrent users without performance degradation. → Built and integrated complex third-party systems, DocuSign contract workflows, IMAP email ingestion, government compliance APIs, G2A catalog sync, and multi-system automation pipelines. → Worked across SaaS, healthtech, logistics, e-commerce, sports, fintech, and real estate, adapting quickly to domain requirements without hand-holding. → Maintained Preferred Freelancer badge with Top Rated Freelancer, across 150+ completed projects with long-term client relationships and on-time delivery. My stack covers the full product: → AI & LLM Integrations • OpenAI, Claude, Gemini API Integration • LangChain, Pinecone, Weaviate, FAISS • Custom AI Agents, Intelligent Workflows, RAG Architecture → Frontend Development • React, Next.js (App & Pages Router), Vue.js, Angular • Tailwind CSS, Material UI, Chakra UI, Framer Motion • Redux, Context API, React Query → Backend Development • Node.js, Express.js, Nest.js • Python, Django, FastAPI, Flask • Supabase, Firebase, REST APIs, GraphQL • WebSockets, Socket IO, JWT/OAuth Authentication → Mobile Development • React Native (Expo & CLI), Flutter • Real-time chat & video (Twilio, Agora, WebRTC) • Third-party integrations (Stripe, Maps, Push Notifications) → Database & Cloud • PostgreSQL, MySQL, MongoDB, Redis • AWS (S3, EC2, Amplify), Google Cloud I work best with founders and technical leads who need one reliable engineer to own the build end-to-end. I communicate clearly, flag blockers early, and treat your deadline as mine. Send me a message with your requirements, and we can outline your technical roadmap on a quick call. Bhavin Sen less -
Hire Tanmoy236
I help startups and growing businesses design, build, and scale reliable digital products — without delays, guesswork, or communication gaps. I’m the founder of a professional marketing and technology services firm based in USA and Bangladesh, trusted by 400+ clients worldwide over the last 9+ years. My team and I...I help startups and growing businesses design, build, and scale reliable digital products — without delays, guesswork, or communication gaps. I’m the founder of a professional marketing and technology services firm based in USA and Bangladesh, trusted by 400+ clients worldwide over the last 9+ years. My team and I focus on delivery, stability, and long-term value, not just “finishing tasks.” 🔹 CORE SERVICES WE OFFER Software & Web Development ✅Custom Web Applications (Laravel, PHP, ASP.NET) ✅WordPress, Shopify & Magento Solutions ✅Admin Panels, Dashboards & APIs ✅Scalable Database Design & Management Mobile App Development ✅Android & iOS Applications ✅Flutter (Cross-Platform) ✅Backend & Web Services Integration UI/UX & Design ✅High-converting Landing Pages ✅PSD/Figma to HTML ✅Brand-aligned Website & Newsletter Design Business Automation & Data ✅Excel Automation (Formulas, VBA, Macros) ✅Data Analysis & Workflow Optimization Marketing Services & Digital Growth ✅SEO (On-Page & Off-Page) ✅Performance-focused Website Optimization ✅Technical SEO for Web Apps ✅Graphics Design ✅Video Editing ✅Digital Ads - Meta, Tiktok, google and LinkedIn Customer Support/Operations ✅In Bound and Outbound Calls ✅Customer Support agent less -
Hire sasaprogramer21
Seasoned software developer with over 7 years of experience in web, mobile, desktop, and AI/ML development. Proven track record of successfully delivering complex, large-scale projects for top-tier IT companies in Europe. Highly skilled in tackling challenging technical problems and collaborating effectively with...Seasoned software developer with over 7 years of experience in web, mobile, desktop, and AI/ML development. Proven track record of successfully delivering complex, large-scale projects for top-tier IT companies in Europe. Highly skilled in tackling challenging technical problems and collaborating effectively with cross-functional teams. Committed to providing professional, high-quality solutions and maintaining strong communication with clients. Web Development: React, Angular, Vue.js, Node.js, Express, PHP, Laravel Mobile Development: Android (Java, Kotlin), iOS (Swift, Objective-C) Desktop Applications: C#, .NET, Electron, Qt AI/ML: Python, TensorFlow, PyTorch, scikit-learn, Natural Language Processing Databases: MySQL, PostgreSQL, MongoDB, Redis DevOps: Docker, Kubernetes, AWS, Azure, GCP Project Management: Agile methodologies, Scrum, Kanban less -
Hire FreelancerTechX
We are a small company specializing in low cost web scraping projects. We are a team of 5 professionals. Web Scraping Data Entry Excel Website Python JavaScript PHP C# Visual Basic VBAWe are a small company specializing in low cost web scraping projects. We are a team of 5 professionals. Web Scraping Data Entry Excel Website Python JavaScript PHP C# Visual Basic VBA less -
Hire melopgabriel
I am a Senior Full Stack Developer with 7+ years of experience building modern, scalable, secure, and high-performance web applications. I have successfully delivered SaaS platforms, CRM/ERP systems, e-commerce solutions, AI-powered applications, customer portals, admin dashboards, workflow automation, real-time...I am a Senior Full Stack Developer with 7+ years of experience building modern, scalable, secure, and high-performance web applications. I have successfully delivered SaaS platforms, CRM/ERP systems, e-commerce solutions, AI-powered applications, customer portals, admin dashboards, workflow automation, real-time applications, and RESTful/API-driven platforms. I manage the complete software development lifecycle—from planning, architecture, UI/UX implementation, backend development, database design, API integration, deployment, optimization, and long-term maintenance. Core Skills 🔹 Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3, SCSS, Tailwind CSS, Bootstrap, Material UI, Shadcn UI, PrimeVue, Inertia.js, Redux, Vuex, Pinia, TanStack Query, Vite, Webpack 🔹 Design: Web Design, Logo Design, Website Design, Banner Design 🔹 Backend: PHP, Laravel, Node.js, Express.js, NestJS, Python, Django, FastAPI, CodeIgniter, REST APIs, GraphQL, Microservices, Authentication (JWT, OAuth, Laravel Passport, Sanctum), WebSockets, Queue Systems, Background Jobs, Payment Gateway Integration, Third-party APIs 🔹 CMS & E-commerce: WordPress, WooCommerce, Shopify, Joomla, Elementor, Custom Plugins, Theme Development, Headless CMS 🔹 Databases: MySQL, PostgreSQL, MongoDB, SQLite, Redis, Database Design, Query Optimization, Data Modeling 🔹 AI & LLMs: OpenAI, Claude, Gemini, AI Chatbots, AI Assistants, Prompt Engineering, RAG Applications, Vector Databases, AI Workflow Automation, Cursor, Claude, GitHub Copilot, Lovable, Replit 🔹 Automation: n8n, Zapier, Make, Python Automation, API Automation, CRM Automation, Lead Generation, Marketing Automation, Business Process Automation 🔹 Web Scraping & Data: Python, Selenium, Playwright, Scrapy, BeautifulSoup, Puppeteer, ETL Pipelines, Data Mining, Data Parsing, Data Cleaning, Excel Automation, PDF Extraction, Power BI 🔹 Cloud & DevOps: Docker, Docker Compose, Git, GitHub, GitLab, Bitbucket, CI/CD, GitHub Actions, Linux, Nginx, Apache, AWS, DigitalOcean, Firebase, Vercel, Netlify, Cloudflare 🔹 Testing: PHPUnit, Jest, Cypress, Playwright, Unit Testing, Integration Testing, End-to-End Testing, API Testing, Postman 🔹 Integrations: Stripe, PayPal, Twilio, SendGrid, Mailchimp, HubSpot, Salesforce, Google APIs, Microsoft APIs, Slack, Discord, WhatsApp, Shopify APIs, Social Media APIs 🔹 Data Engineering & Business Intelligence: Power BI, Data Visualization, Interactive Dashboards, Business Intelligence (BI), ETL Pipelines, Data Warehousing, Data Modeling, SQL Analytics, KPI Dashboards, Reporting & Analytics, Power Query, DAX, Excel Automation, Data Transformation, Data Cleansing, Data Parsing, Data Mining, Web Scraping, Data Extraction, Data Integration, CSV/Excel Processing, PDF Extraction, Pandas, NumPy, Puppeteer I write clean, maintainable, and scalable code while following best practices, SOLID principles, security standards, and agile methodologies. less