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Top freelance Oracle developers available to hire

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Freelance Oracle Developer - Humayun Shabbir
Freelance Oracle Developer5.0 (2584 reviews)

Welcome to my profile on Codementor! I'm a dedicated full-time mentor with a track record of over 3500 sessions since 2015. My journey in programming has been marked by a deep engagement with P5.js, among other technologies. My career as a software developer spans over two decades, with a strong focus on Rapid Application Development (RAD). This approach has been a cornerstone of my work, allowing me to efficiently tackle complex and large-scale projects. As an expert in Visual Basic, I bring a wealth of experience, complemented by my proficiency in C#, JavaScript, VBA, and SQL. I'm passionate about problem-solving and navigating intricate code bases. Whether you're dealing with challenges in Visual Basic, C#, JavaScript, or any of the other languages I specialize in, I'm here to help you find effective and streamlined solutions. Let's work together to achieve your programming goals! I love working with: ⭐ Visual Basic ⭐ C# ⭐ JavaScript ⭐ VBA ⭐ SQL ✅ Recognitions: ------------------------- 🔹 Codementor of The Year 2018 🏆 https://twitter.com/CodementorIO/status/1076225048837586944 💎 Achievements: -------------------------- 🔹 3000+ Sessions 🔹 3 Arc/CodementorX projects

Freelance Oracle Developer - Kafil Ahmed
Freelance Oracle Developer5.0 (9 reviews)

Senior BI/Data Analytics Consultant, a committed software engineer who seeks to develop elegant solutions to business challenges. My driving force is the passion that pushes me to seek new heights and keep learning the latest ideas, platforms, frameworks, tools, and best practices. I believe in a world of personal and professional growth for all of us and in this spirit, I am always ready to learn and offer to share my expertise as a mentor and a Codementor.

Freelance Oracle Developer - Ezequiel Mansilla
Freelance Oracle Developer

Accomplished innovative System Engineer with more than 10-years-experience working with multidisciplinary teams and technologies building enterprise solutions for private sectors. Provide expertise and services at all levels of execution, assuming high levels of responsibility for their delivery. Have performed the roles of Software Developer and Front End Technical Lead for numerous projects requiring the execution of all aspects of design and development of new value added to software solutions. Most of the projects were related to health care. Really proactive and learning spirit. I like working in groups because of the synergy in them. Skills and knowledge essential for solving problems and improvements.

Freelance Oracle Developer - Duc Duy Bui
Freelance Oracle Developer5.0 (452 reviews)

Freelancer, Professional with over 13 years of experience specializing in developing solutions for finance and insurance companies. My strength is learning new technologies fast and I'm a technology enthusiast.

Freelance Oracle Developer - Vivek Sachdeva
Freelance Oracle Developer5.0 (17 reviews)

Hi, I have over a decade of experience in full-stack programming. I have hands-on experience with Java, Spring, Hibernate, Node.js, React, ElasticSearch, MySql, Postgres, Oracle, MongoDb, and numerous AWS technologies ranging from networking to serverless. I also believe in infrastructure as code and have provisioned and deployed infrastructure using Cloudformation and AWS CDK. I subscribe to the agile methodology and believe in outcome more than activity.

Freelance Oracle Developer - Qaiser Mehmood
Freelance Oracle Developer5.0 (7 reviews)

I define the architecture. For 21 years, I've been the person CTOs and lead developers call when systems fail under load, migrations are at risk or AI integration needs to work right the first time. With expertise in .NET, Python, Blazor, ASP.NET Core, SQL and agentic AI architecture (LLMs, reasoning engines, Semantic Kernel, LangGraph, tool-calling agents), I design systems where performance, reliability, and intelligent automation aren't optional—they're the baseline. I deliver AI in production, not prototypes. I’ve architected and deployed AI-powered systems across financial platforms, education and exam automation, and real estate market intelligence, including enterprise-grade solutions for organizations such as The New York Times, Project Management Institute (PMI), Walmart, Merit Wealth, Namfus and BlueberryCMS. --- **Here's where I'm most useful to you:** - **The AI Integration Trap** — You've been asked to add AI to your existing .NET system but don't know whether to use *Semantic Kernel*, raw OpenAI APIs, or a Python sidecar. I've made that decision dozens of times. I'll make it faster and safer for you. - **The Blazor Bottleneck** — Your Blazor app is slow, state management is tangled, and you're unsure if you chose *Server or WASM* incorrectly. I can diagnose what went wrong and map a clean path forward — often in a single session. - **The Legacy Modernization Cliff** — You have a 10-year-old .NET system that needs AI or modern tooling but wasn't designed for it. I specialize in *incremental refactoring paths* that don't require a full rewrite and don't break what's already working. --- **What I Do Best:** - **Software Architecture & System Design** — scalable, maintainable systems from greenfield to enterprise - **AI Agent Development** — production-grade agents with Semantic Kernel, LangGraph & AutoGen — *not demos* - **Blazor & ASP.NET Core** — Server, WASM, hybrid — full-cycle development and performance tuning - **Python & AI Automation** — RAG pipelines, workflow automation, voice AI, LLM integrations, chatbots - **Legacy .NET Modernization** — refactoring strategy, migration paths, incremental upgrades - **Architecture Audits** — identifying structural risk before it becomes a production incident, not after - **Debugging Complex Systems** — when the stack trace doesn't tell the whole story **If any of this sounds like your current situation — DM me. I respond to every message.**

Freelance Oracle Developer - Nihat KIZILTOPRAK
Freelance Oracle Developer

Senior Java Developer with over 17 years of experience building scalable enterprise applications, with strong focus on backend systems, REST APIs, and distributed architecture. Hands-on expertise in Java (up to 21), Sprng , Spring Boot, React ,Angular , TypeScript ,Oracle DB,PostgreSQL, and microservices. Proven track record in insurance and finance tech domains. Comfortable working in agile environments, and highly skilled in transforming business requirements into technical solutions.

Freelance Oracle Developer - KALAI
Freelance Oracle Developer5.0 (1619 reviews)

Software Engineer with 10 years of experience in Online Mentoring. My Database and SQL expertise include Conceptual and Logical designs (ERD &EER), Normalization, Relational Schemas, Complex queries, CTE, Stored Procedures, Functions, Cursors, Indexing, Optimization) I also mentor in Python Programming (3x) , Java (Version 8), MS Access (2020 and lower versions), Tableau (Visualizations) and C/C++. *** Full refund if the issue was not resolved ***

Freelance Oracle Developer - Syed Ikram Shah
Freelance Oracle Developer5.0 (204 reviews)

A Software Engineering graduate, working on Software Applications for more than 9 years. Have worked on different platforms, i.e. Windows & Linux. Have worked on realtime applications with extensive amount of data sharing between applications that are geographically separated. Have worked on integrating different hardware with different protocols for data sharing. Have expertise in Web, Mobile & Deskop applications; technologies include C/C++, NodeJS, ActionScript, JavaScript, JQuery, PHP, Python, CodeIgniter, Laravel, Bootstrap, C# WinForms, Roslyn Compiler API, ASP.NET MVC, Bash Scripts, MS Azure & Amazon AWS.

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Frequently asked questions

How long do Oracle projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Oracle project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Oracle request on Codementor, check out our article.

How much does it cost to hire a freelance Oracle developer?

We don’t charge anything when you post a freelance hiring request for Oracle developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Oracle developers different?

We do a comprehensive technical and communications screen of all Oracle developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Oracle developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Oracle project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

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