Development of an human resources SaaS web application (T-SQL/.NET/C#/TypeScript).During the life of this product I worked on a variety of projects including:- Development of holidays/payroll interfaces with various social security services (SOAP, REST, a variety of file formats)- Creating developer tooling to increase team productivity and support more efficient workflows.- Keeping the technology stack up to date by performing several large code migrations, including moving from ASP.NET WebForms to ASP.NET MVC and later .NET Framework to .NET Core.- Building a AngularJS frontend and later a responsive React JS front-end for the application- Investigating and fixing client-side performance issues.- Implementing unit tests, integration tests and end to end tests.- Implementing CI/CD (TeamCity, Azure DevOps) and speeding up the CI process by using self hosted agents and tests parallelization.- Building a web app for admin/infra tooling (version management, automatic migration generation/application, applications services deployment on IIS, etc), managing several hundreds tenants running in isolation.- Consolidation of application logs with ElasticSearch and Kibana (ELK stack), monitoring of errors with Sentry.- Optimization of various complex T-SQL queries/procedures- Building Web APIs (REST, OpenAPI)- Indexation and document search- Using nginx to build the entry routing layer required by a multi-tenant SaaS applicationWorks remote.

Maintenance and creation of websites (mainly e-commerces).Creation of an e-commerce CRM.Implementation of various payment gateways and package delivery platforms.Technologies: ASP.NET / JavaScript (jQuery) / SQL Server.

Maintenance and creation of websitesTechnologies: ASP.NET / JavaScript (jQuery) / SQL Server