Marian

I worked on developing, maintaining, and improving PayCircle—one of the UK’s most widely used SaaS payroll platforms—covering everything from UK payroll legislation to payslip and report generation. My role included bug fixing, building new features, and integrating with proprietary and third-party systems. Tech stack: • Azure: AAD, Microsoft Identity, App Insights, Key Vault, Logic Apps, App Service, Functions, Service Bus, Storage, SQL DB, DevOps, API Management, Cosmos DB • Frontend: AngularJS, HTML, CSS, Node • Backend: .NET Framework, WCF, .NET 5, C#, NUnit • Processes: Agile Scrum, Git

I developed, maintained, and improved the company’s internal infrastructure using big data and Microsoft Azure, working across the full data lifecycle—from ingestion and pipeline building to transformation, optimization, monitoring, and storage. I helped improve data quality, reduce analytics cycle time, and centralize and secure company data. I also built and enhanced internal web, desktop, and API applications to support better data organization and asset-related decision-making. Tech stack: • Azure: AAD, RBAC, App Insights, Key Vault, Monitor, Alerts, Cost Management, Logic Apps, Functions, Service Bus, Cosmos DB, Storage, Data Lake, Data Lake Analytics (U-SQL), SQL DB, Data Factory, Synapse, Event Hub, ARM, DevOps, API Management, Azure Search, Power Virtual Agents, Data Catalog • Backend/Frontend: .NET Core 3.1/5/6, C#, ASP.NET Core MVC, WPF, Web API, HTML, CSS, JavaScript, Bootstrap, AAD integration, Azure Functions, MSTest/NUnit/Moq • Process: Agile Scrum, Git Training: DP-201, DP-200, AZ-203 (Azure data and development certifications)

Smart CheckIn Developed a system to manage attendee access for internal company events. Tech: .NET Core Web API, C#, Entity Framework, SQL Server, REST, Swagger, Git, LDAP. Automated Self-Service Car Washing App Built a touchscreen application used in automated car wash centers in France, enabling users to select wash programs, pay by card, and apply discounts. The role required both software development and understanding the hardware ecosystem to meet client expectations. Tech: WPF (client), .NET C#, REST Web API, Entity Framework, SQL Server, Jira, Bitbucket, Agile/Scrum. eLearning Eye Tracking & Facial Recognition Created features to enhance an eLearning platform using real-time eye tracking and facial recognition for heatmaps, emotion detection, and personalized learning insights. Tech: WPF, HTML/CSS/JS, Bootstrap, .NET C#, MVC REST API, Entity Framework, SQL Server, Git.

Developed a system for the Romanian Ornithological Centre to collect, manage, and exchange bird-ringing data, helping researchers track behavior and migration across Europe and integrate seamlessly with EURING. The solution streamlines data processes and improves international data sharing. Tech: Windows Forms, Syncfusion, .NET 6, C#, ADO.NET, Entity Framework, MVP pattern, Oracle (initially), Azure SQL Database, Git (Azure DevOps).

TeamSAL Developed new features, fixed bugs, and refactored salary management software used for payroll calculations, legislative updates, and generating payslips and reports. A major contribution was migrating the system’s database from Oracle to SQL Server. Tech: Windows Forms, Janus UIControls, Active Reports, XML, C#, ADO.NET, Oracle, SQL Server, TFS, T-SQL. TeamHoreca Handled bug fixes and maintenance for a hotel and restaurant management system covering rooms, tables, stocks, orders, and invoicing. Tech: WPF, XAML, XML, C#, ADO.NET, SQL Server, TFS, T-SQL. Additionally, I provided direct customer support both onsite and remotely.