Hire the Best Oracle PL/SQL Developers
in Colombia

Need a reliable and results-driven developer to take care of your backend systems, integrations, or database performance? You’re in the right place. What I can help you with: Database modeling, optimization & complex SQL queries Performance tuning of SQL queries based on Execution Plan and best practices Backend development with Java (Spring Boot, Quarkus, JDBC) Oracle Forms & reporting tools (Oracle Reports, JasperReports, or any tool you need) Backend development with Visual Basic .Net API development and integration (RESTful & SOAP) Design and implementation of microservices ETL processes and middleware development Requirement analysis and high-performance solution delivery Development of intelligent bots for scheduling and automation tasks (e.g. Google Calendar booking bots, WhatsApp messaging automation using Excel data extraction) Tech stack: Java 8, Spring Boot, Quarkus, Oracle, MySQL, SQL Server, PL/SQL, SOA, OSB, REST API, SOAP, JSON, Git, Visual Basic .Net, HTML, CSS My GitHub profile showcases examples of SQL optimization, backend logic, and real code I've worked on. Feel free to check it out: github.com/vmoreira55 I don’t just write code — I design systems that are stable, efficient, scalable, and optimized for real-world demands. Whether it’s improving query performance through Execution Plan analysis, building microservices, integrating APIs, or developing smart bots for real business needs, I deliver clean, maintainable solutions built on professional standards. I’m committed to clear communication, strong work ethic, and delivering results that make a difference — fast, reliable, and with long-term value. Let’s connect and take your backend, database, or system integration to the next level. Best regards, Mr Virlis

I’m a Data Analytics & Visualization Specialist with over 8 years of experience turning raw data into actionable insights. My work combines technical expertise in BI tools with creative design skills to deliver dashboards that are not only accurate and reliable but also visually engaging and user-friendly. What I Offer: ✔ Advanced Dashboards – Microsoft Power BI & Tableau (interactive, dynamic, and optimized for performance) ✔ Data Transformation & Automation – Alteryx Designer, ETL processes, and SSIS ✔ Database Management – SQL development and Azure Analysis Services ✔ Data Integration – Cloud & On-Premise Solutions, Azure DevOps ✔ Advanced Excel Solutions – Macros, Pivot Tables, and Data Visualization ✔ CRM Data Handling & Reporting How I Work From data extraction to data cleansing and modeling, I ensure your data is structured, reliable, and ready for visualization. My background as an interactive designer allows me to create dashboards that not only tell the right story but are also aesthetically pleasing and easy to navigate for all stakeholders. Why Choose Me? ✔ Methodical and detail-oriented ✔ Strong critical thinker with problem-solving mindset ✔ Excellent communicator with experience presenting insights to technical and non-technical audiences ✔ Passionate about delivering high-quality, impactful solutions that drive business growth A Little About Me I’m passionate about technology, data storytelling, and continuous learning. I enjoy collaborating with clients worldwide to transform complex data into clear, actionable insights that make a real difference.

Hello! I'm Juan Rueda, a Business Intelligence consultant with more than 5 years of experience helping companies improve their brands, optimize operations, and increase their sales through data-driven strategies. My expertise combines Business Intelligence, AI automation, and strategic consulting, allowing me to transform complex data into clear actions that generate measurable business results. What can I offer you? • Strategic Business Consulting: I work with companies to define clear objectives, identify growth opportunities, and design practical strategies aligned with business goals. • AI Automation & Process Optimization: I implement AI-powered automations that reduce manual work, improve efficiency, and scale marketing and sales processes. • Branding & Marketing Strategy: I develop customized strategies that reflect the essence of your brand and effectively connect with your target audience. • Content Creation & Digital Presence: I design engaging and relevant content that strengthens brand positioning and attracts qualified leads. • Data Analysis & Business Intelligence: I use advanced BI tools to analyze data and deliver insights that support better and faster strategic decisions. • Sales Optimization: I implement data-driven frameworks that improve conversion rates and maximize commercial performance. My work is based on structured thinking, clear objectives, and measurable impact. I focus on helping companies move from ideas to scalable and sustainable results. If you're looking for someone who can combine strategy, data, and AI automation to accelerate your business, I would be glad to collaborate. I look forward to the opportunity to work with you and contribute to your company’s growth. Best regards, Juan Rueda