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Guilherme Rabatini

@guilhermerabatini

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Oracle PL/SQL expert with 15+ years in optimization, integration, and high-performance systems.

Brazil

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What I'm looking for

I'm looking for opportunities where I can apply my PL/SQL expertise to solve complex database challenges, optimize performance, and contribute to impactful systems. I value collaborative environments, technical growth, and projects that drive real business results.

Throughout my career, I have applied PL/SQL-based solutions inindustries such as Financial Technology (FinTech), Logistics, Billing,and Telecommunications, working with large-scale data processing,ETL workflows, and business-critical applications. Currently, I designscalable data pipelines, automate database processes, and managecomplex data flows using Oracle PL/SQL, Talend, and Shell Script.

While my primary focus is on Oracle PL/SQL, I have experienceintegrating SQL Server, .NET, Python, and API-based architecturesto support enterprise data ecosystems. I bring problem-solving,leadership, and collaboration skills to cross-functional teams,ensuring database-driven solutions align with business objectivesand drive operational efficiency.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Developer Analyst

Current

K2 Partnering Solutions

Nov 2022 - Present (3 years 7 months)

Developing and optimizing data transfer jobs using Oracle PL/SQL and Talend for efficient data movement at Fiserv. Automating file validation processes and resolving incidents related to data loads, enhancing system reliability and data consistency.

Oracle PL SQL Talend API Integration Incident Management Automation Team Leadership Data Validation Shell Scripts Data Lake

Founder & CEO

Tráfego Rabatini

Mar 2021 - Nov 2022 (1 year 8 months)

Leading a digital marketing agency specializing in paid media and high-performance landing pages. Managing end-to-end strategies for Meta Ads, Google Ads, and optimizing campaigns to maximize ROI and business growth.

Meta Ads Google Ads LinkedIn Ads YouTube Ads WordPress Elementor SEO Campaign Management Data Analysis

Oracle PL/SQL Developer

DXC Technology

Jul 2017 - Mar 2021 (3 years 8 months)

Developing and maintaining billing processes using Oracle PL/SQL and Python. Leading automation initiatives to optimize incident resolution and improve SLA compliance, enhancing operational efficiency.

Oracle PL SQL Python Automation Incident Management ITIL Performance Tuning Team Leadership Workflow Optimization

Software Analyst and Developer

Von Braun Labs

Feb 2014 - Aug 2017 (3 years 6 months)

Developing monitoring systems and real-time dashboards using .NET, Oracle, PHP, and JavaScript. Leading RFID technology projects to enhance tracking and inventory control in manufacturing environments.

.NET Oracle PHP JavaScript RFID Technology Project Management Data Visualization Team Leadership

Senior Developer Analyst

Alcis - Softwares Para Logística

Mar 2012 - Feb 2014 (1 year 11 months)

Developing and customizing Warehouse Management Systems using Oracle PL/SQL, .NET, and C#. Acting as lead systems analyst to optimize database performance and ensure system reliability.

Oracle PL SQL .NET C#Warehouse Management Systems Database Optimization Systems Analysis Client Collaboration

Programmer Analyst

BSI Tecnologia

Jun 2011 - Mar 2012 (9 months)

Developing and maintaining enterprise systems focusing on web services integration using .NET and Oracle PL/SQL. Enhancing system integration efficiency and scalability for major clients.

.NET Oracle PL SQL WCF MVC Entity Framework SQL Server Web Services System Integration

Software Programming Instructor

Cebrac Franchising

May 2010 - Jun 2011 (1 year 1 month)

Providing training in Visual Basic .NET and SQL Server, enabling trainees to develop custom applications for optimizing workflows in real estate management.

Visual Basic .NET Microsoft SQL Server Programming Logic Training Mentoring Application Development

Systems Analyst – Service Desk

Hewlett-Packard

Jan 2010 - Jun 2011 (1 year 5 months)

Collaborating to resolve incidents in the billing system using Java and Oracle PL/SQL, ensuring accurate financial reporting and compliance with deadlines.

Java Oracle PL SQL Financial Reporting Data Integrity Troubleshooting Incident resolution

Trainee Developer

Heurys Tecnologia

May 2009 - Jan 2010 (8 months)

Maintaining and customizing logistics systems using Oracle PL/SQL and Genexus, enhancing operational efficiency for logistics and automotive service companies.

Oracle PL SQL Genexus Logistics Systems Workflow Automation Team Collaboration

Intern

Cast Informática S.A.

Oct 2008 - May 2009 (7 months)

Receiving advanced training in Java, C#, and NHibernate, applying knowledge to real-world projects in the software factory.

Java C#NHibernate Software Development Project Application

Education

Degrees, certifications, and relevant coursework

IGTI

Postgraduate Degree, Project Management

2014 - 2017

Postgraduate degree focused on Software Project Management, covering methodologies, tools, and best practices for managing software projects effectively.