SQL Developers para contratar
Mostrando 619 resultados
Freelancers patrocinados
-
Contratar winmaclin
⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted...⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO menos -
Contratar expertcoder1vw
Do you have Windows software developing needs? Then I promise, I’m the freelancer you’ve been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages, including: - Delphi - MS-Access/VBA - MS-Excel/VBA - VB6 - VB.Net/C#.Net - ...Do you have Windows software developing needs? Then I promise, I’m the freelancer you’ve been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages, including: - Delphi - MS-Access/VBA - MS-Excel/VBA - VB6 - VB.Net/C#.Net - DBase/Foxpro/Visual Foxpro - SQL Server/T-SQL - Firebird - MySQL - PHP - Oracle Database - PostgreSQL I never shy away from a project, no matter what kind of language, parameters, or client needs are attached to it. My designs are turnkey, allowing for quick and easy access and use. All designs and developments come with support and troubleshooting, as I’d never expect a client to fix anything that I created. I also offer licensing, commercialization and marketing services for all products. I’m available in any timezone, and can always be reached via Freelancer.com’s “Hire Me Now” button. If you have any questions about software tools like Visual Studio or PHP, or any general questions about what you need accomplished, reach out! I’m waiting and ready to take your project from seedling to full-grown! menos -
Contratar gotucat
SYMLINK TECHNOLOGIES LLP is a modern full-stack development company specializing in AI-powered SaaS platforms, custom web applications, mobile app development, eCommerce solutions, and scalable cloud infrastructure. With 12+ years of experience, we help startups, SMEs, and enterprises turn ideas into high-performance...SYMLINK TECHNOLOGIES LLP is a modern full-stack development company specializing in AI-powered SaaS platforms, custom web applications, mobile app development, eCommerce solutions, and scalable cloud infrastructure. With 12+ years of experience, we help startups, SMEs, and enterprises turn ideas into high-performance digital products. We combine strong engineering with modern technologies to build secure, scalable, and user-friendly solutions. Our expertise includes: AI-powered SaaS application development Custom web application development Cross-platform mobile app development with Flutter and React Native eCommerce development with Magento, WooCommerce, and Shopify Backend systems, APIs, and third-party integrations Cloud, DevOps, and Linux server management Technology stack: Frontend: React.js, Next.js, Angular, Bootstrap Backend: Node.js, Laravel, PHP, Express.js Mobile: Flutter, React Native, Ionic AI & Automation: OpenAI integrations, AI chatbots, workflow automation, smart business tools CMS / eCommerce: WordPress, Joomla, Magento, Shopify DevOps / Cloud: Docker, NGINX, cPanel, Linux servers Why clients choose us: 12+ years of real-world development experience Modern, scalable, and secure solutions Clear communication and fast response Clean code and reliable project delivery Long-term support and technical partnership Whether you need an AI SaaS platform, a Flutter mobile app, a custom web solution, or complete full-stack development support, we are ready to build solutions that help your business grow. menos -
Contratar bcosley
Let's build scalable products that create real impact. Over 15 years of experience building, training, and deploying Data Science, Machine Learning, and AI models, as well as developing production-grade applications. I have helped clients unlock real business value from advanced data and analytics across healthcare,...Let's build scalable products that create real impact. Over 15 years of experience building, training, and deploying Data Science, Machine Learning, and AI models, as well as developing production-grade applications. I have helped clients unlock real business value from advanced data and analytics across healthcare, software, sales, marketing, and retail. In addition to AI/ML, I bring extensive full-stack web and mobile development expertise. I have been building modern web applications for over a decade and am highly proficient with today’s frameworks, architectures, and best practices. From backend systems to polished user experiences, I can design and deliver complete, scalable solutions end-to-end. menos -
Contratar Beannsofts
As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy...As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud! menos -
Contratar usmanbashir12100
I help startups, enterprises, and growing businesses build secure, scalable, AI-powered software solutions—from modern web and mobile applications to cloud infrastructure, DevOps automation, and enterprise integrations. With 7+ years of experience and hundreds of successful projects delivered worldwide, I specialize...I help startups, enterprises, and growing businesses build secure, scalable, AI-powered software solutions—from modern web and mobile applications to cloud infrastructure, DevOps automation, and enterprise integrations. With 7+ years of experience and hundreds of successful projects delivered worldwide, I specialize in designing production-ready applications, cloud-native architectures, AI automation, and business systems that improve performance, security, and operational efficiency. Core Expertise • AI-Powered Applications & Automation (OpenAI, Claude, LangChain) • Full-Stack Development (Laravel, PHP, .NET, Node.js, React, Next.js, Vue) • Mobile App Development (Flutter, React Native, Android & iOS) • Cloud Infrastructure (AWS, Azure, Google Cloud Platform) • DevOps & CI/CD (Docker, Kubernetes, GitHub Actions, GitLab CI/CD) • REST APIs, GraphQL & Third-Party Integrations • Shopify, WordPress & Custom SaaS Development • Microservices & Enterprise Software Architecture • Database Design (MySQL, PostgreSQL, MongoDB, Redis) • Google Workspace, Microsoft 365 & Zoho Email Migrations • Email Deliverability & DNS (SPF, DKIM, DMARC, BIMI, Cloudflare) • Server Administration (Linux, Windows, Apache, Nginx) Why Clients Hire Me ✔ End-to-end software development—from idea to deployment ✔ AI integration for modern business applications ✔ Production-ready cloud infrastructure & DevOps automation ✔ Secure, scalable, and maintainable code ✔ Expert in complex email migrations and deliverability optimization ✔ Strong communication, fast turnaround, and long-term support Whether you need an AI-powered SaaS platform, enterprise web application, mobile app, cloud migration, DevOps automation, API integration, or secure email infrastructure, I deliver solutions built for reliability, scalability, and business growth. Let's build innovative software that scales with your business. menos -
Contratar webethics
𝗛𝗲𝗹𝗽𝗶𝗻𝗴 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗦𝗠𝗕𝘀, 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗮𝗮𝗦 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, 𝗔𝗜 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, 𝗰𝘂𝘀𝘁𝗼𝗺 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲, 𝗮𝗻𝗱 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝘁𝗵𝗮𝘁 𝗱𝗿𝗶𝘃𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗴𝗿𝗼𝘄𝘁𝗵. I am Harsh Vardhan, Founder & Managing Director of Webethics Solutions, a software development company established in 2015 with a vision to help businesses transform...𝗛𝗲𝗹𝗽𝗶𝗻𝗴 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗦𝗠𝗕𝘀, 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗮𝗮𝗦 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, 𝗔𝗜 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, 𝗰𝘂𝘀𝘁𝗼𝗺 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲, 𝗮𝗻𝗱 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝘁𝗵𝗮𝘁 𝗱𝗿𝗶𝘃𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗴𝗿𝗼𝘄𝘁𝗵. I am Harsh Vardhan, Founder & Managing Director of Webethics Solutions, a software development company established in 2015 with a vision to help businesses transform ideas into scalable digital products through innovation, integrity, and long-term technology partnerships. Over the years, we've partnered with startups, SMEs, and Global 2000 companies, earning recognition among the TOP 50 Web Development Companies Worldwide by delivering reliable, scalable, and business-focused software solutions. # Why Businesses Choose Webethics • Launch SaaS products and MVPs faster. • Modernize legacy systems with scalable architectures. • Build AI-powered automation and business applications. • Develop high-performing web and mobile applications. • Scale eCommerce platforms with custom solutions and integrations. • Reduce technical debt and improve operational efficiency. • Provide long-term technical leadership beyond the initial development. Our goal is to become your technology partner, helping you make better architectural decisions, accelerate growth, and continuously evolve your product. Core Competencies • Strategic Technology Consulting • Product Discovery & Solution Architecture • Custom Software Development • SaaS Platform Development • AI-Powered Applications & Automation • Digital Transformation • Web & Mobile Application Development • eCommerce Solutions • Dedicated Development Teams • Product Maintenance & Continuous Improvement Technology Stack Expertise • Back End: PHP, NodeJs, Python, AI • Front End: React, Vue.js, Angular, Next.js • MVC Frameworks: Laravel, CodeIgniter, Yii, Cake PHP, Nest Js (Microservices) • CMS: WordPress, Shopify, BigCommerce, OpenCart, Magento • CSS Frameworks: Bootstrap, Tailwind, MUI, Materialize, Ant Design • Creative Design: FIGMA, Adobe XD, Photoshop, Illustrator, InDesign • Cloud Platforms: AWS, GCP, Digital Ocean What You Can Expect ✔ Business-first approach focused on measurable results ✔ Scalable, secure, and future-ready solutions ✔ Transparent communication and agile development ✔ End-to-end ownership—from strategy and design to deployment and ongoing support At Webethics Solutions, we believe great software is only part of the equation. We help businesses innovate, streamline operations, improve customer experiences, and build digital products that continue delivering value long after launch. Let's discuss your project and build technology that moves your business forward. menos -
Contratar ashkanvb
Hi, I am a Software Engineer with a strong mathematical background and over 16 years of experience with C#. I hold a BSc in Software Engineering and an MSc in Cyber Security, and I'm the inventor of a patented novel authentication protocol, so security is something I build in from the ground up rather than bolt on...Hi, I am a Software Engineer with a strong mathematical background and over 16 years of experience with C#. I hold a BSc in Software Engineering and an MSc in Cyber Security, and I'm the inventor of a patented novel authentication protocol, so security is something I build in from the ground up rather than bolt on afterward. I'm skilled in Front-End Development (HTML, JavaScript, jQuery, CSS, and more) as well as Back-End Development, which is where I truly excel and where my heart has always been. I'm great with complex algorithms, and I'm one of Turkey's Top 10 Developers on Stack Overflow, as well as one of the few holders of the C# gold badge: https://stackoverflow.com/users/1079221/ashkan-mobayen-khiabani I currently develop websites with ASP.NET Core MVC, along with desktop and mobile applications. Thanks, Ashkan menos -
Contratar walterjrey
Ingeniero en Sistemas especializado en Inteligencia Artificial, Automatización y desarrollo de aplicaciones SaaS. Diseño y desarrollo aplicaciones web, plataformas de gestión, CRMs, dashboards y soluciones basadas en datos. También creo agentes de IA, automatizo procesos de negocio e integro APIs utilizando Python,...Ingeniero en Sistemas especializado en Inteligencia Artificial, Automatización y desarrollo de aplicaciones SaaS. Diseño y desarrollo aplicaciones web, plataformas de gestión, CRMs, dashboards y soluciones basadas en datos. También creo agentes de IA, automatizo procesos de negocio e integro APIs utilizando Python, FastAPI, React, Next.js y PostgreSQL. Trabajo con OpenAI, Claude y Gemini para desarrollar soluciones que reducen tareas manuales, optimizan procesos y ayudan a las empresas a tomar mejores decisiones con sus datos. menos -
Contratar jonrocllc
⭐ I'm a highly committed professional with a passion for delivering exceptional web development solutions. With over 14 years of experience in PHP, WordPress, Python and leading JavaScript frameworks (React.js, Vue.js, Angular), I take pride in consistently exceeding my clients' expectations. My primary focus is on...⭐ I'm a highly committed professional with a passion for delivering exceptional web development solutions. With over 14 years of experience in PHP, WordPress, Python and leading JavaScript frameworks (React.js, Vue.js, Angular), I take pride in consistently exceeding my clients' expectations. My primary focus is on providing custom solutions for clients who demand top-tier results and value the highest standards in coding practices. I specialize in high-quality development with a keen eye for detail, ensuring that every project is executed with precision and excellence. I understand that many people on freelancer platforms may prioritize the lowest price or the quickest turnaround. However, I am not the developer who cuts corners. I work with clients who value quality over cost, need rapid turnaround times, and seek a partnership built on trust and professionalism. Skills: ✪ PHP (core PHP, Laravel, Codeigniter, Yii) ✪ Python, Django, FastAPI, Pytorch, LLM, AI training, Image Processing ✪ WordPress, WordPress Plugin Development, Shopify, Bigcommerce ✪ React, Vue.JS, Angular, Node.JS ✪ GSAP (Greensock), Custom Animations ✪ jQuery, Bootstrap, Tailwind, API Integrations ✪ Zapier, n8n, GHL, Lovable, AWS, AWS Lambda, CI/CD, Docker, DevOps ✪ Blockchain, Web3, NFC I am a full-time developer, readily available to discuss your project and explore how we can bring your vision to life. If you're looking for a reliable, experienced, and dedicated developer, please don't hesitate to reach out. Let's create something amazing together! menos
