Edson M.
Back-end and Systems Engineer

Skills

.NET

Visual Basic

Sql

Pl/sql

Microsoft Sql Server

Oracle Database

Java

Python

Angular

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Bio

With over two decades of expertise in system analysis and development, responsibilities have encompassed the gathering of requirements for system updates and new features, as well as the documentation, implementation, validation, and delivery of agreed functionalities. Leadership experience includes managing a team of five developers from 2021 to 2022. Proficiency spans various programming languages and technologies, necessitating swift adaptation to diverse challenges. Core competencies include effective communication, creativity, adaptability, problem-solving, and teamwork.

Senior Backend Developer
1/1/2024 - Present

Developed advanced capabilities in Java backend development specializing in accounting SaaS applications. Gained extensive experience in using Spring Boot for building microservices, enhancing application performance and scalability. Utilized Hibernate for ORM, ensuring efficient database operations and data integrity. Demonstrated proficiency with PostgreSQL for complex database management and optimization. Integrated various APIs for seamless data exchange and implemented robust security measures using OAuth2 and JWT. Employed Docker for containerization, enabling consistent and streamlined deployment across multiple environments. Enhanced the development process through the use of Jenkins for automated CI/CD pipelines. Engaged in collaborative projects, maintaining high-quality code using Git for version control. Combined technical expertise with an emphasis on financial and accounting principles to deliver reliable and efficient solutions tailored to meet industry standards.
System Analyst and Java Web Application Developer
7/2/2018 - 12/1/2023

Held the role of System Analyst and Developer focused on a Complementary Pension system, encompassing responsibilities such as gathering and documenting business and technical specifications, development, testing, validation, and delivery of software. Led and managed a small team of developers from 2021-2022, effectively distributing tasks and ensuring high-quality deliverables. Developed technical proficiency in Java 8 and 11, Object Pascal, and utilized frameworks and tools including Spring, Angular, Primefaces, Hibernate, JPA, and Rest API. Worked extensively with Microservices, Json, Soap, XML, and RabbitMQ. Demonstrated expertise in SQL and Microsoft SQL Server through effective management of data and databases.
House and caregiving
12/2/2012 - 7/2/2018

Developed expertise in Ruby on Rails, focusing on integrating efficient and scalable web applications. Gained substantial knowledge in test automation using Python and Selenium, enhancing the robustness and reliability of software by automating functional tests.
System Analyst
6/2/2010 - 12/2/2012

In the role of System Analyst and Developer, achieved proficiency in Oracle, SQL, and PL/SQL, focusing on enhancing query efficiency and routine performance. Collaborated with the Quality Team to implement and refine automated tests using Quick Test Professional (VB) and Microsoft .NET (C#) tools. Gained experience with Visual Studio, contributing to the development of robust and reliable software systems. Demonstrated an adept ability to optimize database operations and streamline testing processes.
System Analyst
10/2/2009 - 6/2/2010

Developed and maintained a Complementary Pension system, overseeing application development, testing, approval, and deployment processes. Gained significant expertise working with Oracle database, Oracle Designer, Oracle Forms, and Oracle Reports. Leveraged strong command of SQL and PL/SQL to ensure efficient data management and application performance. Key achievements include successful deployment of enhancements and consistent optimization of system functionalities for a leading financial institution's pension services.
System Analyst
2/2/2009 - 8/2/2009

Served as a System Analyst and Developer for accounts payable and receivable systems, focusing on application development, testing, approval, and deployment. Developed expertise in Oracle technologies, including Oracle Database, Oracle Designer, Oracle Forms, and Oracle Reports. Proficient in SQL and PL/SQL for efficient database management and application development. Worked on various stages of the software development lifecycle to ensure robust, secure, and high-performance financial applications.
Software Developer Senior
9/2/2002 - 2/2/2009

Managed requirements gathering and documentation of business rules and technical specifications for financial systems and agricultural financing. Spearheaded application development, testing, approval, and implementation with a primary focus on a major client. Developed technical expertise in Oracle database, Oracle Designer, Oracle Forms and Reports, and SQL. Mastered PL/SQL and Unix Shell scripting for efficient system functionality and enhancements.
Data Administrator Trainee
8/2/1999 - 2/2/2000

Gained extensive experience in data administration on Oracle's database. Applied changes to database objects including tables, triggers, indexes, procedures, and packages, ensuring consistency and integrity across all modifications. Developed a strong understanding of database management principles and best practices, maintaining data accuracy and reliability in high-availability environments.
Developer
2/2/1999 - 9/2/2002

Held the responsibility for gathering requirements and business rules, alongside the documentation of technical specifications, application development, testing, approval, and implementation for financial systems and agricultural financing. Developed proficiency in Oracle database, Oracle Designer, Oracle Forms and Reports, SQL, PL/SQL, and Unix Shell.