Sem Severino
Leesburg,VA
Overview
1
1
year of professional experience
Work History
Systems Analyst
Getnet Santander
06.2022 - 11.2022
- Conducted comprehensive data analysis to identify patterns and trends, informing decision-making processes.
- Reduced load times by implementing various optimization techniques such as caching strategies or compression algorithms.
- Monitored system performance metrics, making adjustments as necessary to maintain high levels of efficiency.
- Designed and executed test cases to validate system functionality before full-scale rollouts.
- Contributed to development and maintenance of systems and applications using Node.JS, PHP, Python, SQL.
- Developed Anti-fraud feature on payment canceling for digital payments using Node.JS and Java.
- Conducted test and stress tests on existing microservices on system gateway to determine functionality, bug fixes.
- Utilized user data to create dashboard visualization with Splunk and AppDynamics.
- Overlooked 3 micro-services on system API gateway: API endpoint functionality, API documentation upgrade and Sandbox risk management.
- Implemented solutions on network and systems architecture as I helped systems architecture teams
- Worked on in team of 15 people gained strong interpersonal communication skills
- Created API endpoints for payment functionality
- Analyzed source code to identify functionality issues.
Intern
Getnet Santander
11.2021 - 05.2022
- Optimized database performance, which allowed for quicker data retrieval and reporting.
- Enhanced team collaboration by implementing shared documentation platform for project tracking and communication.
- Enhanced software performance by optimizing algorithms and streamlining code.
- Designed database schemas that supported efficient data storage and retrieval across multiple applications within the organization.
- Enhanced system efficiency by identifying and resolving complex technical issues.
- Documented all system changes meticulously, ensuring knowledge was preserved for future reference.
- Analyzed existing systems and databases and recommended enhancements to solve business needs
- Sorted and organized files, spreadsheets, and reports.
Education
Associate of Science - Computer Science and Economics
Northern Virginia Community College
Sterling, VA12.2026
High School Diploma -
Luanda International School
Santa Clara Angola06.2021
Skills
- Data Modeling
- API Integration
- Database Design
- User Acceptance Testing
- Performance Tuning
- Technical Documentation
- System Upgrades
- Application support
Research and projects
- Undergraduate Research:
- Dissertation - "An Econometric analysis of the Black-Scholes Mathematical Model, Fixed effects & Volatility Arbitrage"
- Dissertation - "Econometrics & the Monte-Carlo Methods"
Languages
English
Native or Bilingual
French
Native or Bilingual
German
Professional Working
Portuguese
Native or Bilingual
Software
Java
Python
SQL
R
MongoDB
Timeline
Systems Analyst
Getnet Santander
06.2022 - 11.2022
Intern
Getnet Santander
11.2021 - 05.2022
Associate of Science - Computer Science and Economics
Northern Virginia Community College
High School Diploma -
Luanda International School