Roland Dan Email & Phone Number

New York, Ny, Us

Manasquan, New Jersey, United States

• Designed and implemented comprehensive data warehousing solutions using Azure Data Factory, Azure Analysis Services, and Power BI for clients in the healthcare and chemistry sectors, enhancing data modeling, analytical capabilities, and enabling advanced data analytics and reporting capabilities.• Developed a NET 6 REST API, setting the standard for all future APIs in the company, handling 300k+ monthly requests.• Created a .NET 6 sync application, significantly improving data processing speed and ensuring hourly updates of business data.• Upgraded a legacy MVC application in .NET 4.5.2, adding new features, upgrading to .NET 4.8, and integrating Azure Application Insights.• Established company-wide code review and release standards, transitioning to automated pipelines in Azure DevOps for more reliable deployments.• Implemented Agile methodologies using Azure DevOps for sprint planning and feature delivery, enhancing team productivity.• Developed ETL and ELT pipelines with Azure DataBricks and Azure Synapse for efficient data processing and analysis.• Optimized SQL Server database performance through query tuning and established maintenance plans for database health.• Collaborated with business stakeholders to align technical solutions with business needs, and initiated proof of concept projects for technology adoption in legacy systems.• Provided support for live issues, maintaining system integrity and user satisfaction• Developed a full-stack application, comprising a Flask API, a .NET 7 API, and a React frontend, for a company specializing in thermal processing applications. This solution modernized a legacy MS DOS system, making it cloud-accessible with enhanced security and user authentication, thereby expanding the company's technological footprint.Technologies: C#, .NET, ASP.NET, Entity Framework, Azure, SQL Server, Python, Databricks, Data Factory, Analysis Services, JavaScript, jQuery, Git, Azure DevOps, Power BI, Flask, React

Camden, New Jersey, United States

• Interact with business for requirements. Design, document, present architecture and application flows.• Communicate requirements to liaise the mutual understanding between business and technical team, develop proof of concepts to propose new technology adoption to legacy applications• Re-design and streamline existing pricing mechanism from MS SQL to C# enabling more features and business logic that was not possible before, generating more revenue.• Enhance and develop new features for legacy systems• Develop new features and enhance existing ones in CRM mobile app using Xamarin.• Use Azure CI/CD pipeline to maintain source code tracking, API and Microservices deployment to environments (Dev, Staging and Live).• Troubleshooting and supporting live issues• Extensively work with a large team of developers, QAs, product owners in the UK and US to maintain a smooth project delivery in Agile methodology.Technologies used: C#, .NET, .NET Core, ASP.NET, EF, EF Core, Microsoft Azure, MS SQL Server, SQL Lite, Xamarin, JavaScript, jQuery, Git, TFS.

Camden, New Jersey

• Develop and implement RESTful APIs for sophisticated systems implementing microservices to work with highly encrypted data servers that sit in data warehouses in the UK and third-party vendor services.• Develop and enhance responsive and interactive web UI using Vue.js and Vuetify UI kit.• Designed and developed from scratch RESTful and SOAP APIs to integrate inventory with eBay and retail website• Develop and enhance presentation layer for CRM mobile app in XamarinTechnologies used: C#, .NET, .NET Core, EF Core, Microsoft Azure, MS SQL Server, SQL Lite, JavaScript, jQuery, Vue.js, Vuetify, HTML, Xamarin, Git.