Jose Duarte

.NET Developer focused on legacy system migration and high-volume data platforms. Specialized in C#/.NET, Entity Framework Core and SQL Server, with solid experience in robust REST APIs, performance optimization and sustainable architecture. Keen interest in cybersecurity and high-impact enterprise solutions.

Software Developer at Goldenergy (2025-03 – Present)

• OutSystems →.NET Migration · Internal Management Portal — Technology migration: Rewrote the business logic of an OutSystems application to ASP.NET Core, preserving the functional integrity of the solution.
• REST APIs: Implementation of endpoints for searching, querying, creating and updating data, following best practices in architecture and API design.
• Data layer: Entity modelling, relationship configuration, migrations and query optimization with Entity Framework Core and SQL Server.
• Quality: Use of DTOs, JWT authentication, auditing, technical documentation and patterns oriented toward maintainability and platform evolution.
• Reading Processing Portal — Enterprise platform: Development and continuous evolution of a critical platform for the energy sector in C#/.NET, with direct contributions to the backend and frontend.
• ETL & data: Pipelines for ingestion, validation and persistence of large volumes of data in SQL Server, with rigorous application of business rules.
• Automation: Automatic error detection and handling mechanisms, reducing manual intervention and increasing operational reliability.
• Performance: Analysis and optimization of critical queries and stored procedures, reducing processing times by around 40% compared to the first implemented version.
• Production: Investigation and resolution of incidents in a production environment, ensuring stability, service continuity and continuous platform improvement.

BSc in Computer Engineering – University of Trás-os-Montes and Alto Douro (2021-09 – 2025-01)

Pedagogical Department — NEEI – Computer Engineering Students' Association · UTAD (2023-09 – 2024-06)