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# Experiences timeline ◂
Working as an Application Architect on .NET applications, covering both new systems and legacy modernization.
Designing and implementing scalable solutions on Microsoft Azure.
Defining and promoting event-driven and distributed architectures across services.
Collaborating with development teams to ensure consistency, performance, and maintainability of systems.
Leading a small DevOps team and training work students.
Building and maintaining application environments with Kubernetes, Helm, Docker and DevSecOps tools (SonarQube, BlackDuck, Grafana, Opensearch, HashiCorp Vault).
Migrating multiple applications from in-house Kubernetes platform to AWS using Terraform and Helm for IaC.
Building and maintaining a CI/CD pipeline on GitHub Actions.
Tech Lead on a portfolio of .NET applications, working in agile environments with both run and evolution activities.
Leading a development team: code reviews, technical guidance, architecture decisions, and hands-on development.
Driving migration and modernization initiatives: upgrading .NET Framework applications to .NET Core, moving from MSSQL to PostgreSQL, improving code quality and implementing best practices (DI, caching, logging, performance optimizations).
Contributing to DevSecOps transformation and containerization of applications.
Migration of applications from a managed cloud platform to AWS.
Standardization and optimization of deployment processes and cloud architecture.
Migrating from "Run as Account" to managed identities in runbooks. Adapting access configuration to resources such as key vaults and databases.
Application maintenance and upgrades on existing .NET Framework and .NET Core applications.
Development in autonomy of a web application in .NET 5 capable of scanning files, gathering data and producing PDF documents.
Application maintenance and upgrades on a legacy ASPX / .NET Framework web application. Incremental refactoring and best practices implementations.
Development in autonomy of a .NET 5 API consumed by several clients including a mobile application, with emphasis on response time through query optimizations and caching.
Development of pricing management web application in .NET Core 5.
Development of public web application with geolocalisation queries and fuzzy matching (Levenshtein) search.
Development of inventory and purchasing management web application in .NET Core 1. Big data sets and emphasis on performance.
Maintenance and upgrades on a J2EE Struts web application.
Maintenance and upgrades on a ASP.NET and Javascript application. Development of data recovery PL-SQL scripts.
Maintenance and upgrades on a cakePHP web application with a .NET service worker. Various optimizations for data processing.
Redesign of core components (price calculation modules, cart management, etc.).
Development of a PHP7 to MongoDB 3.2 driver
Development of an online PDF personalization module.