Jean F.Back-end and Systems Engineer
Skills
Tech Lead and Senior Back-End Developer with over 18 years of experience in developing high-performance applications. Significant roles have been undertaken in the architecture and development of large-scale systems, with a specialization in performance optimization and the implementation of innovative solutions to ensure maximum application performance. Expertise is concentrated in back-end development, contributing significantly to projects requiring high performance and scalability, utilizing a wide range of technologies and frameworks. Emphasis is placed on delivering consistent results, resolving complex challenges, and ensuring operational efficiency. Persistent in seeking new methods to improve processes and technologies, enhancing application performance levels continuously.
Senior Fullstack Developer
9/1/2020 - 12/1/2021
Developed proficiency in integrating e-commerce platforms with SAP using dot.net core. Conducted extensive database work utilizing PostgreSQL and implemented messaging solutions with RabbitMQ. Assisted team members with development tasks, responded to technical inquiries, and monitored project progress collaboratively. Played a crucial role in setting up the architecture to meet system demands and support system evolutions from 2020 to the present.Tech-Lead (Specialist)
4/1/2022 - 12/1/2023
Led the credit and anti-fraud team, managing technical responsibilities, resolving obstacles, and creating innovative architectures. Coordinated activities and promoted collaboration to achieve team goals. Contributed to robust architectural solutions, including external integrations and third-party application maintenance. Played a key role in developing an internal risk analysis platform using Node.js and AWS services. Demonstrated leadership in technical management and architecture, ensuring efficient and effective risk mitigation solutions.Project Manager
11/1/2017 - 8/31/2019
Successfully executed a migration project from ASP Classic to Dot.Net, enhancing application performance and maintainability. Led CRM projects, delivering tailored solutions for a diverse range of clients across various industries. Engineered a high-performance CRM/MultiChannel system accommodating around 200 concurrent users, with continuous updates to business rules based on client feedback and requirements. Developed expertise in ASP to Dot.Net migration, multi-channel CRM systems, and dynamic project adjustment processes according to client specifications.Systems Analyst
12/1/2016 - 11/30/2017
Analyzed and developed both new and legacy projects, ensuring optimal performance and client satisfaction. Created prototypes for mobile applications, delivering innovative solutions to complex problems. Provided direct customer service, addressing potential system issues and conducting thorough analyses to improve system functionality. Supported the development team through collaborative problem-solving and technical guidance. Developed proficiency in mobile app development, project analysis, and client communication.Systems Analyst
12/1/2015 - 11/30/2016
Developed technical expertise in the analysis and development of internal and external tools for advertising heavy vehicles, achieving over eight million views per month. Led the migration of outdated screens to updated versions with enhanced security measures, ensuring robust and secure user interactions.Systems Analyst
5/1/2014 - 1/31/2015
Conducted analysis and development for both Windows and Web platforms utilizing C# and ASP.NET, while implementing and managing databases using SQL Server 2008 and 2012. Developed significant expertise in backend development and database management, ensuring optimal performance and security across applications. Demonstrated the ability to effectively integrate various technologies to create seamless and robust software solutions..Net Developer (Mid-Level)
5/1/2012 - 3/31/2014
Spearheaded analysis and development initiatives for both Windows and web platforms, leveraging technical expertise in VB6, VB.NET, C#, and ASP.NET. Achieved significant accomplishments in database management utilizing SQL Server 2008.Mid-Level Programmer
6/1/2008 - 7/31/2010
Demonstrated proficiency in developing systems for the Windows platform and maintaining legacy software. Executed projects using PHP, VB.net, and ASP, showcasing technical expertise in these languages.
Computer Science at Tuiuti University of Paraná
2008 - 2011Computer Science at Positive University
2016 - 2017
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