Relational Databases Experts para contratar
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Freelancers patrocinados
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Contratar abatsis
I have more than 30 years of experience in Data Modeling and Analysis, specializing in the Industrial Production sector. I work with MS SQL, MySQL, SAP, Excel, Access, Power BI. Since 1990, I have completed many projects in Production Control, Production Data Acquisition (machine data acquired from PLCs, scales,...I have more than 30 years of experience in Data Modeling and Analysis, specializing in the Industrial Production sector. I work with MS SQL, MySQL, SAP, Excel, Access, Power BI. Since 1990, I have completed many projects in Production Control, Production Data Acquisition (machine data acquired from PLCs, scales, etc.). I also program with T/SQL through stored procedures and table triggers. I have also created many projects in MS Excel and MS Access. I guarantee 100% quality execution of your project. I can work 20/30 hours/week. menos -
Contratar OWINOKAMAU
Redacción de investigaciones, Escritura técnica, Redacción de informes, Redacción de artículos, Diseño UMLMaster’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound...Master’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound research methodologies, and strict adherence to academic integrity standards. I have successfully completed research projects involving: ✔️Quantitative, qualitative, and mixed-methods studies ✔️Hypothesis testing, regression analysis, ANOVA, time-series analysis, and panel data ✔️Survey design, instrument validation, and data interpretation ✔️Systematic literature reviews and meta-analytical support ✔️Research proposals, theses, and dissertations ✔️Journal articles (APA, Harvard, MLA, IEEE) ✔️Data analysis using SPSS, R, Python, SAS, Excel, and Power BI Academic Coursework & Learning Support: ✔️ Weekly assignments and continuous assessment tasks ✔️ Discussion posts and academic reflections ✔️ Quizzes, tests, and timed assessments ✔️ Lab-based coursework and platform-guided assignments ✔️ Pearson, uCertify, McGraw-Hill Connect, WileyPLUS, MindTap, Blackboard, Moodle tasks ✔️ Data-driven lab reports and technical coursework Software Analysis, Design & Implementation (Academic & Project-Based): ✔️ Software Requirements Specification (SRS) ✔️ Business Requirements Document (BRD) ✔️ Functional & Non-Functional Requirements Analysis ✔️ System Analysis & Design (Use Case, Class, Sequence, Activity Diagrams) ✔️ Database Design (ERD, EERD, normalization up to 3NF/BCNF) ✔️ SQL Development & Database Implementation ✔️ Oracle, MySQL, PostgreSQL, MSSQL, MongoDB ✔️ Documentation aligned with IEEE & academic standards What sets me apart: ✔️ Original, plagiarism-free academic writing ✔️ Manual paraphrasing — no AI humanizing tools ✔️ Clear academic tone and logical argumentation ✔️ Unlimited revisions until expectations are met menos -
Contratar appmechanic
appmechanic appmechanic
$25 USD / hora
Top Rated | Experts in AI, Web/Mobile, Games & SEOUnited Arab Emirates𝐖𝐄𝐁 • 𝐌𝐎𝐁𝐈𝐋𝐄 • 𝐆𝐀𝐌𝐄 • 𝐀𝐑/𝐕𝐑 • 𝐀𝐈 𝐅𝐈𝐑𝐒𝐓 𝐂𝐎𝐌𝐏𝐀𝐍𝐘 Welcome to App Mechanic! At App Mechanic, we are a Web, Mobile, Game, AR/VR, and AI-first development company, delivering scalable, high-performance, and future-ready digital solutions. We combine innovation, design, and engineering to turn ideas into impactful...𝐖𝐄𝐁 • 𝐌𝐎𝐁𝐈𝐋𝐄 • 𝐆𝐀𝐌𝐄 • 𝐀𝐑/𝐕𝐑 • 𝐀𝐈 𝐅𝐈𝐑𝐒𝐓 𝐂𝐎𝐌𝐏𝐀𝐍𝐘 Welcome to App Mechanic! At App Mechanic, we are a Web, Mobile, Game, AR/VR, and AI-first development company, delivering scalable, high-performance, and future-ready digital solutions. We combine innovation, design, and engineering to turn ideas into impactful products. 🔹 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬: ➜ Website and Mobile App Development ➜ Game Development ➜ Augmented Reality (AR) & Virtual Reality (VR) ➜ Artificial Intelligence (AI) ➜ SaaS, ERP & CRM Development ➜ AI Automation & Workflows (n8n, Zapier) ➜ Rapid MVP Development (FlutterFlow, Bubble io, Lovable, Base44) ➜ Blockchain & Smart Contracts ➜ Search Engine Optimization (SEO) & Digital Marketing 🔹 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐖𝐞’𝐯𝐞 𝐒𝐞𝐫𝐯𝐞𝐝: ➜ Manufacturing, Education, E-commerce, FMCG, Retail ➜ Healthcare, Real Estate, Travel, Logistics & Supply Chain 🔹 𝐆𝐫𝐚𝐩𝐡𝐢𝐜 𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠 & 𝐔𝐈/𝐔𝐗: ➜ Brand Identity (Logos, Flyers, Brochures, Business Cards) – Photoshop / Illustrator ➜ Wireframes, Mockups & Clickable Prototypes (Figma / Adobe XD) ➜ Conversion-focused UI/UX Design 🔹 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: ➜ Frontend: ReactJS, VueJS, NextJS, Angular, TypeScript, Tailwind CSS, Bootstrap ➜ Backend: NodeJS, Python, PHP (Laravel), .NET (ASP.NET, C#), FastAPI, Django ➜ APIs: RESTful, GraphQL, SOAP, Third-party Integrations ➜ Databases: MySQL, MSSQL, MongoDB, PostgreSQL, Redis ➜ Vector DBs: Pinecone, FAISS, Weaviate, Chroma, pgvector ➜ Version Control & Tools: Git, GitHub, GitLab, Jira, Trello, Slack 🔹 𝐂𝐌𝐒 & 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞: ➜ Django & MERN-based Custom CMS ➜ WordPress (Elementor, WooCommerce), Shopify (Custom Themes) ➜ Headless CMS: Strapi, Sanity 🔹 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ➜ Flutter, FlutterFlow & React Native (Cross-platform) ➜ Native iOS & Android Apps ➜ .NET MAUI (Cross-platform Apps) 🔹 𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ➜ Unity 3D (C#), Unreal Engine ➜ 2D/3D Games, Simulations, AR/VR 🔹 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: ➜ OpenAI, ChatGPT, Claude, Gemini Integrations ➜ AI Chatbots, Conversational AI, NLP, AI Agents ➜ LangChain, RAG Pipelines, Vector Databases ➜ n8n & Zapier Automation Workflows ➜ OCR & Computer Vision 🔹 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: ➜ AWS, GCP, Microsoft Azure ➜ Docker, Kubernetes, CI/CD Pipelines ➜ Nginx, Apache, IIS, Linux Servers ➜ Infrastructure as Code (Terraform) ✨ At App Mechanic, we build 𝐀𝐈-𝐟𝐢𝐫𝐬𝐭, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐚𝐧𝐝 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 across 𝐖𝐞𝐛, 𝐌𝐨𝐛𝐢𝐥𝐞, 𝐆𝐚𝐦𝐞𝐬, 𝐚𝐧𝐝 𝐗𝐑 while also enabling 𝐫𝐚𝐩𝐢𝐝 𝐌𝐕𝐏 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 using modern 𝐧𝐨-𝐜𝐨𝐝𝐞/𝐥𝐨𝐰-𝐜𝐨𝐝𝐞 𝐭𝐨𝐨𝐥𝐬 and helping businesses grow through 𝐒𝐄𝐎 𝐚𝐧𝐝 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐦𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠. menos -
Contratar rabindratandukar
rabindratandukar rabindratandukar
$10 USD / hora
SQL | Web Scrape | Python | Web Developent | ExcelNepalHi, My name is Rabindra Tandukar. I am a fully dedicated professional resource. I have various skills for multiple jobs in various fields. I had done a job on accounting software for financial organizations. I do have knowledge of accounting, customer support, programming, and Utility building. I had worked as a...Hi, My name is Rabindra Tandukar. I am a fully dedicated professional resource. I have various skills for multiple jobs in various fields. I had done a job on accounting software for financial organizations. I do have knowledge of accounting, customer support, programming, and Utility building. I had worked as a staff implementing specialist for staffing companies' data of US-based companies. I had done huge data migration for these companies. The database platform was on MSSQL. I also worked as a utility specialist for the data import/ export from SQL programming. I have sufficient knowledge of VIsual Studio Business Intelligence reports. I used Excel for dashboard reporting using pivoting, Vlookup, and formulas. My academic background is in computer science with a qualification of master's degree in computer science. The above points, it shows I am a qualified resource for the mentioned jobs. I hope to see you soon. Thank You! menos -
Contratar afterbit
Analysis and development of corporate and personal websites with Java / JSF technology (Apache / Tomcat). Web crawling / Web Scraping; Airline and Logistics WebApp. SpringBoot. Wordpress and WooCommerce. Web Marketing (Ads and Social)Analysis and development of corporate and personal websites with Java / JSF technology (Apache / Tomcat). Web crawling / Web Scraping; Airline and Logistics WebApp. SpringBoot. Wordpress and WooCommerce. Web Marketing (Ads and Social) menos -
Contratar 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. menos -
Contratar senbhavin
✅ I am a seasoned Full-Stack Developer with over 10 years of experience in the software industry, having successfully delivered more than 150 scalable web and mobile applications. I specialize in building high-performance solutions that range from MVPs to enterprise-grade platforms, leveraging modern frameworks and...✅ I am a seasoned Full-Stack Developer with over 10 years of experience in the software industry, having successfully delivered more than 150 scalable web and mobile applications. I specialize in building high-performance solutions that range from MVPs to enterprise-grade platforms, leveraging modern frameworks and backend technologies to ensure seamless functionality and growth. ✅ My portfolio spans diverse industries, including SaaS, e-commerce, healthcare, fintech, sports, real estate, travel, education, and enterprise systems. I have built everything from on-demand apps, ERP systems, CMS platforms, real-time chat applications, and AI-powered solutions that integrate automation, intelligent workflows, and advanced user interactions. I specialize in responsive & user-friendly UIs, custom functionality, API integrations, payment integrations, dashboards, and data visualization, with a strong focus on security, scalability, and user experience. 🔑 𝐂𝐎𝐑𝐄 𝐒𝐓𝐑𝐄𝐍𝐆𝐓𝐇𝐒 =============================== 🎨 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ➝ React.js, Next.js (App Router & Pages Router), Vue.js, Angular, TypeScript ➝ 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 ➝ Laravel, Supabase (Auth, Realtime, Storage, Edge Functions) ➝ Firebase, REST APIs, GraphQL ➝ WebSockets, Socket IO ➝ Authentication: JWT, OAuth 📱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ➝ React Native (Expo & CLI), Flutter ➝ Push notifications, payments (Stripe, Razorpay, PayPal, Apple Pay, Google Pay) ➝ Maps & location services (Google Maps, Mapbox) ➝ Real-time chat & video (Twilio, Agora, WebRTC) 🤖 𝐀𝐈 & 𝐋𝐋𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ➝ Cursor AI, Replit, Lovable, Base44, Google Antigravity, Vibe Coding ➝ OpenAI, Claude, Gemini ➝ LangChain, Pinecone, Weaviate, FAISS ➝ TensorFlow, PyTorch, NLP 🗄️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐂𝐥𝐨𝐮𝐝 ➝ PostgreSQL, MySQL, MongoDB, Redis, SQLite ➝ Supabase, AWS (S3, EC2, Amplify) ➝ Google Cloud, Firebase 🛠 𝐎𝐭𝐡𝐞𝐫 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ➝ Headless CMS: Strapi, Contentful, Sanity ➝ ERP systems, dashboards, advanced search (Elasticsearch) ➝ Data visualization: D3.js, Chart.js 🌟 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 ✔️ 150+ projects completed with consistent client satisfaction. ✔️ Expertise in AI-powered applications and LLM integrations for intelligent workflows. ✔️ Strong experience with Supabase for modern, scalable backend solutions. ✔️ Proven ability to deliver MVPs to enterprise-grade systems with milestone-based execution. ✔️ Focus on performance, security, and user experience. ✴️ Let’s Build Something Great Together! If you are looking for a developer who can transform ideas into intelligent, scalable solutions, let’s connect. I’m ready to take on challenging projects and deliver exceptional results. ✨ Contact Me Today Bhavin Sen menos -
Contratar 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 menos -
Contratar ssquare489
I build intelligent, high-performance mobile and web applications integrated with AI to automate processes, enhance user experiences, and deliver measurable business growth. Whether you're launching a new AI-powered app from scratch or modernizing an existing codebase with smart features, I help businesses overcome...I build intelligent, high-performance mobile and web applications integrated with AI to automate processes, enhance user experiences, and deliver measurable business growth. Whether you're launching a new AI-powered app from scratch or modernizing an existing codebase with smart features, I help businesses overcome common challenges: scope creep, endless revisions, delayed launches, and technical debt. My proven, structured process—honed through experience at Google and Apple—ensures efficient delivery, high-quality results, and lets you focus on marketing, go-to-market strategy, and scaling your business while I handle the tech. My Transparent, Client-Centric Development Process: - For Existing Codebases (Revamps, Upgrades, AI Integrations): I start with a thorough code review to understand your current architecture, strengths, and pain points. We then discuss your specific challenges and goals in detail. Next, I present a clear improvement plan with timelines, priorities, and expected outcomes. Once approved, I execute efficiently with regular updates—delivering faster, cleaner, and more scalable solutions. - For Projects from Scratch (New Mobile/Web/AI Apps): First, I deeply understand your vision and requirements through targeted questions and research if needed. I then create interactive prototypes (UI/UX wireframes or clickable demos) to visualize the product early. After your approval and feedback, I map out all user journeys and flows for complete clarity. Only then do we move to full implementation—ensuring no surprises. Every milestone delivery includes a detailed QA report showing how it was rigorously tested for functionality, performance, security, and edge cases. This battle-tested approach minimizes risks, accelerates time-to-market, and has consistently helped clients launch polished products in significantly less time—freeing them to prioritize growth and strategy. What You Get: • Cross-platform mobile apps (Flutter/React Native/iOS/Android) with AI features like chatbots, personalization, predictive analytics, or computer vision. • Full-stack web applications (React/Next.js + Node.js/Python + databases) enhanced with LLMs (OpenAI, Gemini, etc.) and custom automations. • Seamless AI integrations and workflow automations that save hours and boost efficiency. • Clean, maintainable code, CI/CD, cloud deployment (AWS/GCP/Firebase), and ongoing support. Clients choose me for reliable communication, fast prototypes, and results that drive retention and revenue. Ready to build or upgrade your AI-powered mobile/web solution the right way? Message me with your idea or current codebase details—let's discuss how we can deliver exactly what you need, on time and with zero headaches. menos -
Contratar yanetblancoe
Servicios al cliente, Analítica de Datos, Entrada de datos, Extracción de Datos, Procesamiento de datosStrong teamwork, creativity, and problem-solving skills. Interested in roles involving data entry, analysis, and management.Strong teamwork, creativity, and problem-solving skills. Interested in roles involving data entry, analysis, and management. menos
