Oracle Developers For Hire
Showing 86 results
Sponsored Freelancers
-
Hire smitk9999
With 8+ years of experience as a Senior Software Engineer, I help businesses build scalable, secure, and modern digital products across web, mobile, desktop, cloud, AI, FinTech, blockchain, and automation platforms. My background covers full-stack development, software architecture, backend systems, databases, cloud...With 8+ years of experience as a Senior Software Engineer, I help businesses build scalable, secure, and modern digital products across web, mobile, desktop, cloud, AI, FinTech, blockchain, and automation platforms. My background covers full-stack development, software architecture, backend systems, databases, cloud infrastructure, API integrations, DevOps, security, UI/UX, automation, and AI-powered solutions. I’ve worked with startups, agencies, and growing companies to deliver production-ready systems that are reliable, maintainable, and built for long-term growth. My core expertise includes: • JavaScript, TypeScript, HTML5, CSS, AJAX, React, Next.js, Angular, Vue • C#, .NET / .NET Core, ASP.NET, MVC, PHP, Python, Django, Java, C/C++ • MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, SQL • REST APIs, API Development, API Integration, GraphQL, Microservices • AWS, Azure, Linux, Windows Server, VPS, Docker, Terraform, CI/CD, Git • WordPress, Shopify, Magento, Web Design, UI/UX, SEO • React Native, Flutter, Android, iOS, Desktop App Development • OpenAI, ChatGPT, Azure OpenAI, LLMs, AI Agents, MCP, Machine Learning • n8n, Make.com, Chatbots, AI Integration, AI App Development • Blockchain, Ethereum, Solidity, Smart Contracts, DApps, Web3.js, MetaMask • FinTech, Payment Gateway Integration, Payment Processing, Financial Software • MetaTrader 4/5, MQL5, TradingView, Trading Bots, Algorithmic Trading • Unreal Engine, Roblox, Lua, Game Development and Game Optimization • Web Security, Cloud Security, Cryptography, Data Processing and Automation I also have strong experience leading projects and collaborating with teams — from requirements analysis and architecture planning to Agile development, code reviews, documentation, deployment, security, and mentoring developers. Recently, I’ve been working extensively with AI agents, LLM integrations, MCP-based workflows, automation systems, FinTech solutions, blockchain applications, and trading platforms that connect AI and software with real-world APIs, databases, payment systems, and business tools. I focus on writing clean, maintainable code and building solutions that solve real business problems — whether it’s a SaaS platform, AI application, eCommerce platform, automation system, FinTech product, blockchain app, trading system, mobile app, desktop application, game, dashboard, or enterprise backend. I value clear communication, dependable delivery, and long-term professional relationships. Let’s build something great together. less -
Hire kreativesystem91
kreativesystem91 kreativesystem91
$15 USD / hour
✅Web✅Python✅Automation✅Bots✅Scrapping✅PHP✅ANDROIDVenezuelaI am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface...I am a passionate python developer with excellent experience in other web technologies. I have a strong grip on the Python core and related troubleshooting. Using python, I can create scalable web applications compatible with big data/web scrapping with its analytics. I have experience in the following: ✅ Interface (HTML, CSS, javascript, Jquery, GraphQL) ✅ Backend (Python, Django, Flask, API Integration, REST API, PHP) ✅ Database (MYSQL, MongoDB, PostgreSQL) ✅ GUI development (PYQT, Tkinter) ✅ Web scrapping (BeautifulSoup, Selenium) ✅ Automation (Selenium webdriver, Zapier) ✅ Data analysis (Numpy, Pandas) ✅ Data-driven Python web applications (Dash / Plotly / Streamlit) ✅ Web applications with PHP (Laravel, Codeigniter) ✅ AWS (Amazon web services) less -
Hire mohjib092
I work with founders, startups, and businesses to design and deliver reliable, high-impact software solutions. With the ability to adapt quickly to any technology or framework, I focus on building systems that are cleanly architected, secure, scalable, and built for long-term success. My approach is strategic and...I work with founders, startups, and businesses to design and deliver reliable, high-impact software solutions. With the ability to adapt quickly to any technology or framework, I focus on building systems that are cleanly architected, secure, scalable, and built for long-term success. My approach is strategic and detail-driven. I analyze requirements deeply, identify risks early, and execute with precision ensuring every solution aligns with business goals, not just technical requirements. Whether it’s building a product from scratch, improving an existing platform, or solving complex production issues, I deliver results with clarity and efficiency. Clients choose me for my professionalism, transparent communication, and consistent delivery. I don’t just complete tasks—I take ownership, add value, and build solutions you can rely on. less -
Hire Smart1902
I have 12+ years of experience in Mobile (iOS/Android/Flutter/React/Xamarin/Kotlin) app development and Web development(PHP, Laravel, AI/ML, WEB3, JAVA, Springboot, MERN Stack, Python, Node JS, Nest JS, Express JS, Angular, ReactJs, Next JS, Vue.js). I have already developed and published 182+ mobile apps to the...I have 12+ years of experience in Mobile (iOS/Android/Flutter/React/Xamarin/Kotlin) app development and Web development(PHP, Laravel, AI/ML, WEB3, JAVA, Springboot, MERN Stack, Python, Node JS, Nest JS, Express JS, Angular, ReactJs, Next JS, Vue.js). I have already developed and published 182+ mobile apps to the mobile market. My Skills. -Flutter apps using Dart -iOS / iPhone mobile apps using Objective-C & Swift , SwiftUI -Android mobile apps using Android Studio, Eclipse and Android Jni (Call logs, location tracking in background) -React Native apps using React js -Website development using MERN, ReactJS, NodeJS, Vue.js, PHP, LARAVEL, Python, Web3,JAVA, Springboot, Hibernate -Xamarin using Xaml, Visual Studio , C# -Apple watch apps using Objective-C & Swift , SwiftUI -APNS and in-app purchase -JSON parsing, soap response and web service -Apple/google Play store submission -Source control(bitbucket, Github, Gitlab, Git) -Google map api, in-app billing, Facebook api, twitter api, fabric, Twilio -Facebook/Twitter/Linkedin/Instagram/youtube apis -Rest web services -push notification, ftp server -audio/vido streaming -Trello, jira, slack less -
Hire engkarimismail
engkarimismail engkarimismail
$50 USD / hour
✅Senior Network & System Engineer | Security|VOIP✅Malaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva less -
Hire avinashjain09
Build Custom Software & Enterprise Solutions That Drive Business Growth At Procode IT Services, we help startups, SMEs, and enterprises transform ideas into high-performance, secure, and scalable software solutions. With 14+ years of expertise, our primary specialization lies in building robust CRM & ERP...Build Custom Software & Enterprise Solutions That Drive Business Growth At Procode IT Services, we help startups, SMEs, and enterprises transform ideas into high-performance, secure, and scalable software solutions. With 14+ years of expertise, our primary specialization lies in building robust CRM & ERP architectures, enterprise database environments, and custom cloud-driven web/mobile applications. Whether you are engineering a data-heavy infrastructure or building user-centric interfaces, we deliver maintainable, secure solutions built strictly around your specific workflows. What We Build & Engineer - • CRM & ERP Systems (Custom Systems, Salesforce integrations, SugarCRM) • Enterprise Database Architectures (Oracle, MySQL, PostgreSQL Administration) • Custom Web Applications (SaaS Platforms, Admin Dashboards) • Mobile Applications (Android, iOS & Cross-Platform Flutter) • Booking & Marketplace Solutions • REST API Development & Enterprise Third-Party Integrations • AI Integrations & Intelligent Workflow Automation Industries We Serve - - Finance & FinTech - Healthcare & Medical Systems - Logistics & Supply Chain - Real Estate & Property Management - E-commerce & Retail Platforms - Education & EdTech - Travel, Hospitality, & On-Demand Services Core Technologies - Database & Admin: Oracle, MySQL, Database Administration, PostgreSQL, MongoDB, phpMyAdmin Backend: Laravel, Core PHP, Node.js, Express JS, Codeigniter Frontend: React.js Framework, Vue.js, JavaScript, Tailwind CSS, Bootstrap Mobile & Cross-Platform: Flutter, Android(Kotlin/Java), iOS (Swift) Cloud & Systems: AWS, Firebase, Linux, Nginx, Apache Why Enterprise Clients Partner With Us - ✔ 14+ years of professional software architecture experience ✔ 170+ verified five-star client reviews on Freelancer.com ✔ Dedicated in-house engineering and support team ✔ Clean, secure, and fully test-driven code execution ✔ Transparent, milestone-driven communication ✔ Dependable long-term code maintenance and scaling support We reject one-size-fits-all software templates. Every architectural design we deploy is tailored explicitly around your scaling requirements, ensuring a platform that remains robust today and highly adaptive tomorrow. Looking for a highly skilled engineering partner to lead your next database migration, CRM deployment, or application build? Let’s connect and map out your scope today. less -
Hire axiomswb
Greetings, I’m a Full-Stack Developer with 16+ years of experience, specializing in web development, data scraping, and data analysis. I have built and deployed real-world systems that handle large-scale data, automation, and high-performance applications. I work with modern technologies like React.js, Next.js,...Greetings, I’m a Full-Stack Developer with 16+ years of experience, specializing in web development, data scraping, and data analysis. I have built and deployed real-world systems that handle large-scale data, automation, and high-performance applications. I work with modern technologies like React.js, Next.js, Node.js, Express.js, and Django, along with Python, PHP, MySQL, and APIs to create fast, scalable, and reliable solutions. 🚀 What I Can Do For You (Quickly & Efficiently) ✔ Build full web applications (frontend + backend + deployment) ✔ Scrape and process large-scale data from any source ✔ Automate manual workflows and repetitive tasks ✔ Develop AI-powered agents and smart systems ✔ Analyze data and turn it into actionable insights ✔ Deploy and optimize systems on AWS ⚡ Why Clients Hire Me I don’t just code — I solve problems I handle complete projects end-to-end I deliver clean, scalable, production-ready solutions I can quickly understand complex or unclear requirements I focus on speed + quality + reliability 🔥 Important Many developers (and AI tools) can generate code. But they often fail in real-world execution, debugging, scaling, and long-term reliability. That’s where my 16+ years of experience makes the difference. If you need someone who can take ownership, deliver fast, and get it right the first time, 📩 Let’s discuss your project. less -
Hire rinsadsl
If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building...If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building future-ready systems that combine clean architecture, performance, and business impact. Our technical expertise spans PHP, Node.js, Angular, Flutter, React, React Native, C#, VB.NET, and leading platforms such as WordPress, WooCommerce, Magento, and PrestaShop, supported by enterprise-grade databases including MySQL, PostgreSQL, Oracle, and SQL Server. Beyond development, we help businesses scale through AI-driven innovation and automation, including: - AI chatbots, voice agents, and virtual assistants - Workflow and process automation using Make (Integromat), n8n, and custom solutions - AI-powered data processing, content generation, and decision support - CRM, marketing, and operations automation to reduce costs and increase efficiency We have strong expertise in API-based integrations and ecosystem automation, connecting platforms such as Amazon, eBay, Shopify, Walmart, Lazada, Wish, and logistics providers including USPS, UPS, FedEx, and DHL, enabling seamless commerce and fulfillment workflows. Our focus is not just on delivery, but on measurable outcomes, speed, reliability, scalability, and long-term value. We thrive on complex challenges and continuously adopt the latest AI and automation trends to keep our clients ahead of the curve. Review our portfolio below and let our work demonstrate the standard we uphold. We are committed to delivering solutions that are intelligent, efficient, and built for growth. less -
Hire TheSecondSource
Second Source is a technology and marketing services company with a distributed team of 60+ experienced professionals, supporting startups, agencies, and growing businesses worldwide. Our focus is not just on completing tasks, but on owning outcomes, timelines, and quality. Unlike single freelancers, we provide...Second Source is a technology and marketing services company with a distributed team of 60+ experienced professionals, supporting startups, agencies, and growing businesses worldwide. Our focus is not just on completing tasks, but on owning outcomes, timelines, and quality. Unlike single freelancers, we provide continuity, scalability, and accountability. Clients work with a single point of contact, backed by a specialized internal team, ensuring smooth communication and reliable execution even on long-term or multi-skill projects. 🔹 CORE SERVICES (TIGHTENED & PROFESSIONAL) 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 less -
Hire KAAMensah
Multi-vendor, multi-platform Database Management Systems Consultant with wide exposure to the Financial Services industry and the Public Sector in Europe and Africa, plus rich experience of Relational Database Management Systems and related technologies, comprising: â–¶ 10+ years of Consulting in Data Management &...Multi-vendor, multi-platform Database Management Systems Consultant with wide exposure to the Financial Services industry and the Public Sector in Europe and Africa, plus rich experience of Relational Database Management Systems and related technologies, comprising: â–¶ 10+ years of Consulting in Data Management & Information Technology; â–¶ 10+ years of Database Administration (Oracle, Sybase, Ingres) and Operating System Management (UNIX / Linux, Windows, VAX/VMS); â–¶ 5+ years of Programming: Backend (SQL, OSL) / Frontend (UI) (APEX, Windows 4GL, ABF) / Report Generation (Report Writer) / Shell Scripting (Korn Shell, DCL). Specialisations: â—† Performance Tuning & Query Optimisation; â—† Database Analysis, Design, Installation & Configuration; â—† Knowledge Transfer; â—† Verbal & Written Communication; â—† Quality Assurance; â—† Data Integrity Management; â—† ETL (Extract-Transform-Load) Operations; â—† Production & Development Support; â—† Data Recovery; â—† Problem Solving & Bug Fixing. less