About
Highly accomplished Senior SQL Developer with over a decade of hands-on experience specializing in Microsoft SQL Server, PL/SQL, and now PostgreSQL. Proven expertise in performance tuning, complex query optimization, data modeling, and database administration, particularly within high-availability financial environments. Currently leveraging strong .NET backend development skills while actively contributing to database optimization and management, seeking to apply deep SQL knowledge and complementary .NET expertise in a dedicated SQL Developer role.
Work
Joinville, SC, Brazil
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Summary
Currently developing advanced .NET solutions for driver risk assessment and managing PostgreSQL databases, enhancing system performance and data integrity.
Highlights
Spearheaded the development of a .NET driver risk assessment platform, integrating multiple external services to enhance data accuracy and system efficiency.
Pioneered a new project using the CQRS pattern as the sole developer, validating vehicle position and speed across diverse segments, improving data integrity and system reliability.
Successfully upgraded legacy APIs to .NET 8, significantly enhancing performance, security, and compatibility with modern development standards.
Actively managed and optimized PostgreSQL databases for new projects, performing advanced queries and ensuring data integrity and performance.
Contributed to web development projects utilizing C# and MVC architecture, delivering scalable and maintainable applications.
Joinville, SC, Brazil
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Summary
Developed a Bank-as-a-Service platform using Vue.js and .NET, providing critical SQL technical support and managing database deployments to ensure application integrity.
Highlights
Developed the frontend of a Bank-as-a-Service (BaaS) platform from inception using Vue.js, delivering intuitive user interfaces and ensuring seamless data flow with backend systems.
Provided critical SQL technical support, resolving complex database-related issues for the team to maintain operational continuity and data integrity.
Enhanced code structure and maintainability through specialization in .NET, Entity Framework, and Domain-Driven Design (DDD), optimizing system architecture.
Managed database change deployments, ensuring application integrity and performance across critical systems.
Joinville, SC, Brazil
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Summary
Led SQL Server and PL/SQL database optimization, data management, and technical guidance for multiple development teams, significantly improving performance and data availability.
Highlights
Led the optimization of SQL Server and PL/SQL database performance by developing and fine-tuning complex queries, stored procedures, and triggers, achieving significant efficiency gains.
Automated the purging of over 50GB of monthly data from a vehicle position table via SQL Jobs, retaining 6 months of data for live querying and archiving older data.
Acted as a SQL Tech Leader, guiding multiple development teams in database solutions, query optimization, and best practices to enhance data management.
Administered enterprise databases, focusing on performance tuning, backup strategies, and disaster recovery to ensure 24/7 availability and data integrity.
Designed and implemented indexing strategies and ETL processes that improved query performance and data quality, resolving bottlenecks identified via SQL Profiler.
Joinville, SC, Brazil
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Summary
Developed and maintained critical business functionalities and web applications using .NET Framework, creating scalable and user-friendly solutions.
Highlights
Developed robust integrations using WinForms, WebForms, and jQuery, creating efficient APIs to facilitate seamless data exchange between systems.
Implemented and maintained critical business functionalities as a backend developer using the .NET Framework.
Designed and developed scalable, maintainable, and user-friendly web applications using C#, .NET Framework, and MVC architecture.
Provided technical support for Delphi applications, troubleshooting issues and proposing system improvements to enhance functionality.
Languages
English
French
Skills
Database Technologies
Microsoft SQL Server, PL/SQL, PostgreSQL, SQL Server Optimization, Performance Tuning, Query Optimization, Execution Plan Analysis, Indexing Strategies, Database Administration, ETL Processes, Data Modeling, Data Normalization, Stored Procedures, Triggers, Functions, Views, Data Archiving, Data Purging, Database Backup & Recovery, Database Monitoring.
Database Tools
SSMS, SQL Profiler, Extended Events, DMVs, Advanced Monitoring Scripts.
Backend Development
.NET, C#, ASP.NET MVC, Entity Framework, Domain-Driven Design (DDD), CQRS, APIs Development, Integrations.
Cloud & DevOps
AWS (Lambda, S3, SQS, SNS), Azure DevOps, CI/CD, Code Reviews.
Frontend Development
React.js, Vue.js, jQuery, WinForms, WebForms.
Methodologies
Agile, Scrum.