Danilo S.
Back-end and Systems Engineer

Skills

Pl/sql

Oracle Database

Java

Microsoft Sql Server

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Bio

With over 15 years of experience in the Information Technology sector, a seasoned professional with a wealth of knowledge in Oracle PL/SQL language as well as Oracle Forms and Reports, primarily engaging in maintenance and development activities. Actively contributed to integration projects, system maintenance, and the creation of documentation, functional specifications, and test cases. Demonstrated leadership by managing a WMS and TMS Support team for over five years, overseeing SLA and KPI management, team management, incident management, and change management, with a specific focus on Oracle platforms across the Logistics, Finance, Insurance, and Airlines sectors.

Oracle Developer
1/2/2020 - Present

Developed advanced proficiency in PHP, Doctrine, and Silex, contributing to multiple full-stack projects with complex business logic. Extensively worked on front-end frameworks including Ext JS 4.2 and integrated modern JavaScript frameworks such as NodeJS and Vue.js into various systems. Demonstrated strong database management skills with PostgreSQL and MongoDB, ensuring data integrity and optimizing query performance. Facilitated collaborative code maintenance and version control through effective use of SVN and Git, improving team efficiency and project consistency. Consistently applied best practices in software development, resulting in robust, scalable solutions that met demanding client requirements.
Oracle Developer
1/2/2019 - 1/2/2020

Developed advanced proficiency in PHP, Doctrine, and Silex, incorporating extensive expertise in Ext JS 4.2, NodeJS, and Vue.js. Demonstrated a solid understanding of database management with PostgreSQL and MongoDB. Ensured effective collaborative code maintenance through the use of SVN and Git for version control. Employed methodologies and tools to enhance system performance and reliability, contributing to the execution of critical software projects. Facilitated the integration and optimization of complex software systems, thereby improving operational efficiency. Exhibited strong analytical skills to troubleshoot and resolve technical issues promptly, while consistently adhering to best practices in software development and performance tuning.
Technical Support Coordinator
1/2/2014 - 1/2/2018

The role involved serving as the WMS Support Coordinator for a leading technology systems company in São Paulo and the surrounding region in Brazil. Gained significant technical expertise in Oracle Sythex Technology Systems, particularly focusing on Warehouse Management Systems (WMS). Developed enhanced problem-solving skills by providing robust support for the WMS, ensuring system stability and efficiency. Utilized various tools and frameworks to troubleshoot and resolve system issues, streamlining the overall service process. Proficient use of database management tools for maintaining data integrity and system performance.

Key accomplishments included optimizing WMS operations, leading to increased productivity and reduced downtime. Designed and implemented comprehensive support processes that improved response time and service quality. Collaborated closely with cross-functional teams to integrate system enhancements and updates, significantly boosting operational efficiency. Developed strong project management skills, coordinated successful rollouts of system upgrades, and continuously monitored system performance to preemptively address potential issues. Proficiency in Oracle software, combined with strategic problem-solving and effective team coordination, underpinned the successful execution of the role.
Systems Programmer/Analyst
1/2/2010 - 1/2/2014

Served as a PL/SQL Developer, gaining significant expertise in PL/SQL and Oracle databases. Demonstrated strong abilities in writing complex SQL queries, stored procedures, triggers, and functions for efficient data manipulation and retrieval. Utilized Toad for Oracle for database management and query optimization. Implemented performance tuning techniques to ensure optimal database performance. Developed and maintained database applications, while ensuring data integrity and security. Worked with Oracle Forms and Oracle Reports to design and generate reports based on business requirements. Enhanced proficiency in Data Warehousing concepts and ETL processes. Collaborated with cross-functional teams to deliver high-quality software solutions, employing version control systems such as Git for code management and collaboration.
Oracle Programmer Analyst
1/2/2009 - 1/2/2010

Mastered the extraction, transformation, and loading (ETL) processes using Python and SQL, which significantly enhanced data integrity and availability. Developed sophisticated dashboards and reports utilizing Tableau and Power BI, allowing for increased data visualization and business insight. Conducted in-depth data analysis and statistical modeling with R and Excel, resulting in actionable business intelligence and optimized operations. Leveraged big data technologies such as Hadoop and Spark for large-scale data processing, facilitating data-driven decision-making. Implemented data warehousing solutions using Amazon Redshift and Google BigQuery, ensuring efficient data storage and retrieval. Collaborated with cross-functional teams to define metrics, troubleshoot data discrepancies, and support strategic objectives. Enhanced data governance and compliance by employing robust data security measures and adhering to industry standards.
Oracle Systems Consultant
1/2/2008 - 1/2/2009

In the role of Oracle Forms and PL/SQL Analyst, developed advanced technical proficiency in Oracle Forms and PL/SQL, driving the design and implementation of essential business applications. Utilized Oracle Forms to create user-friendly, dynamic interfaces, ensuring seamless interaction for end-users. Leveraged PL/SQL to build and optimize complex database interactions, enhancing data retrieval processes and overall system performance.

Demonstrated a deep understanding of SQL database management systems, which facilitated the creation of efficient, scalable database solutions. Worked extensively on performance tuning and query optimization techniques to ensure high responsiveness and low latency across applications. Integrated various Oracle database features, such as triggers and stored procedures, to encapsulate business logic and maintain data integrity.

Adopted best practices in version control and collaborative coding using tools such as SVN and Git, fostering a collaborative development environment and maintaining code quality. Implemented comprehensive testing and debugging practices to identify and resolve issues promptly, ensuring robust and reliable application functionality. Managed and executed deployment processes, promoting a smooth transition of updates and new features to production environments.

Developed strong analytical and problem-solving skills, which were crucial in diagnosing and addressing complex technical challenges. Gained experience in working within strict regulatory environments, ensuring that all system changes complied with industry standards and organizational policies. Successfully collaborated with cross-functional teams, providing technical insights and support to achieve project milestones and deliver high-quality software solutions.
Oracle Analyst
1/2/2007 - 1/2/2008

Gained extensive experience in managing cobilling and numerical portability projects in São Paulo. Developed technical proficiency in Oracle Forms and PL/SQL, ensuring seamless data management and integration processes. Demonstrated robust skills in creating efficient databases, streamlining operations, and resolving complex technical issues linked to billing and portable services. Collaborated effectively with diverse teams to ensure project timelines and objectives were met.