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Top freelance Oracle PL/SQL developers available to hire

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Freelance Oracle PL/SQL Developer - Hardik Avaiya
Freelance Oracle PL/SQL Developer5.0 (228 reviews)

Hardik is extremely experienced Software Engineer with over **11** years of experience in designing and developing large-scale mission-critical software products. He currently specialises in backend development using technologies like `Java, Spring Boot, Kafka, RDBMS, NoSQL DB, Supabase, Postgres, Snowflake, AWS, GCP, BigQuery, NodeJS, Third Party Payment Integrations, migrating monolith applications to microservices, CQRS, event driven microservices, distributed systems and much more`. Hardik is good practitioner of Test Driven Development approach. Hardik have used Kafka streams for asynchronous event processing in microservice architecture. He is also a winner of more than **5** state level and national level coding competitions. **He has superb communication and presentation skills.** Hardik can handle any project needs - from bootstrapping a fresh project to provisioning servers / cloud services to deployments and maintenance. Schedule a meeting: https://calendly.com/hardikavaiya/15min

Freelance Oracle PL/SQL Developer - Qaiser Mehmood
Freelance Oracle PL/SQL 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 PL/SQL Developer - syed saqib ghawas
Freelance Oracle PL/SQL Developer4.9 (317 reviews)

Hello I have been working in the market for the past 10 years. in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools. Have knowledge of multiples domain areas such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG

Freelance Oracle PL/SQL Developer - Shweta Lodha
Freelance Oracle PL/SQL Developer5.0 (63 reviews)

I'm Shweta, the C# corner MVP, a speaker and a girl behind YouTube channel https://www.youtube.com/@shweta-lodha. You will find that I'm incredibly passionate about helping people solving their technical problems related to Microsoft Technologies and LLM. I won several recognition from very popular forums like MSDN, Microsoft Technet, C# Corner, CodeProject for my community contributions.

Freelance Oracle PL/SQL Developer - Antonio Carlos Carvalho de Oliveira
Freelance Oracle PL/SQL Developer5.0 (72 reviews)

Antonio is a programmer with over two decades of experience in the FinTech and Telecom industries. He aspires to be a master of C#, SQL, React, NextJS Typescript. He values curiosity, resourcefulness, and honesty. His hobbies include hiking, photography, meat, driving, and exploring medieval structures

Freelance Oracle PL/SQL Developer - Richard McSharry
Freelance Oracle PL/SQL Developer5.0 (10 reviews)

I am an internationally experienced CTO, Systems Architect, Leader and Full Stack Software Engineer with 40 years experience in hands-on coding and building systems, teams and processes that scale. For the past 7 years I have been running my own Fractional CTO agency, and focus on helping startups build and scale 1st class development teams and processes. Recent projects/companies: 2025 Interim CTO at www.orynth.dev an AI website builder, Athens 2025 Interim CTO at [www.legalutopia.co.uk](http://www.legalutopia.co.uk/) (bankrupt Oct 25), London 2024-25 CTO at Cherny Enterprises Ltd - stealth Ai startup, Miami/London 2023-24 Frontend Lead at [www.dicer.ai](http://www.dicer.ai/), AI/MarTech startup, NYC 2022-23 Interim CTO at [www.scrolller.com](http://www.scrolller.com/), a social media startup with 10 million MAUs, NYC 2019-22 Staff Developer at [www.triplepointliquidity.com](http://www.triplepointliquidity.com/) a blockchain startup in Private Equity - NYC, 2018-19 Interim CTO at a blockchain startup (a pro-bono role), Zurich 2019 Staff Developer at [www.winnr.gg](http://www.winnr.gg/), eCom startup, Paris [http://www.richardmcsharry.com](http://www.richardmcsharry.com/)

Freelance Oracle PL/SQL Developer - Carlos Barini
Freelance Oracle PL/SQL Developer5.0 (2 reviews)

Power Apps Python Data Science Artifical Intelligence (graduated) Visual Studio developer (MVC, MVVM, C#, webservices, mobile integrations) MCSA, MCSE, MCDBA Oracle Business Intelligence Analyst T-SQL (SQL Server) and PL-SQL (Oracle) Android, iOS, Windows phone developer Arduino skills

Freelance Oracle PL/SQL Developer - James Duvall
Freelance Oracle PL/SQL Developer5.0 (1 reviews)

I have worked at large corporations, startups, and consulting companies. Challenges excite me, and I love helping people learn to solve their own problems with technology. My last 11 years have been focused on GIS development, but I still write software just the same. Happy to help, what're we waiting for?

Freelance Oracle PL/SQL Developer - Harold Park
Freelance Oracle PL/SQL Developer

If you'd like to book a free 30-minute mentoring session with me, check out my ADPList profile: https://adplist.org/mentors/harold-park?session=55649-mentorship-session-for-entry-juniors Struggling to break into tech in this tough job market? Feeling stuck in your job search and overwhelmed by imposter syndrome? Or perhaps you're looking for guidance on navigating a toxic workplace? 🤔 You've come to the right place. 🚀 Hi, my name is Harold, and I’ve been developing websites and web applications professionally for over 7 years across diverse industries, with a focus on front-end development. Like many of you, I come from a non-traditional background. I was on the path to pharmacy school, then a teaching credential, before discovering coding. I attended an intensive three-month, in-person JavaScript boot camp. After a tough job search, I finally landed my first opportunity through an internship. Having gone through a similar journey that you are about to embark on, I firmly believe that, with time and dedication, you too can break into tech. 💪 I find deep fulfillment in helping others. I can support you with industry insights 🌐, pair programming 🤝, code reviews 📝, capstone project planning 📊, and job search strategies 📈. As a former teacher and mental health advocate, my mentoring approach is rooted in empathy, the Socratic method, and constructive feedback. My goal is always to adapt to your unique learning style and the problems you’re facing, bringing an objective lens rather than enforcing my own opinions. After all, coding can be intensely subjective, and the best solutions come from collaboration and knowledge transfer. I look forward to meeting you and wish you the best on your tech journey 🙂

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Frequently asked questions

How long do Oracle PL/SQL 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 PL/SQL 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 PL/SQL request on Codementor, check out our article.

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

We don’t charge anything when you post a freelance hiring request for Oracle PL/SQL 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 PL/SQL developers different?

We do a comprehensive technical and communications screen of all Oracle PL/SQL 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 PL/SQL 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 PL/SQL 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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