Stephane de Fontaine
Sebastopol,CA
Summary
Senior-level Software Engineer, Team Lead and Architect focusing on the development and design of web-based applications using a broad range of languages, technologies, and tools within a variety of business and technical environments. Motivated, self-starter who enjoys problem solving, collaboration, and mentoring junior developers. Primarily focused on analysis, design and programming of scalable C# ASP.NET applications and distributed API web services and microservices in cloud environments.
Overview
21
21
years of professional experience
Work History
Lead Software Cloud Engineer
gWorks
Omaha, NE
12.2022 - Current
- Led a team of engineers to develop event driven microservices for small government clients in a multi-tenant cloud-based ecosystem.
- Decoupled applications into microservices via APIs
- Re-architected system to use common services.
- Implemented event-driven messaging layer.
- Developed permit and code enforcement management applications.
- Full stack development in Angular, ASP.NET Core, EF Core and Postgres in a micro-services, multi-tenant AWS cloud environment
- Developed custom reports and notifications features.
Senior Software Engineer
American AgCredit
Santa Rosa, CA
09.2020 - 12.2022
- Led the development of OAuth REST APIs for loan data integrations using C# ASP.NET Core WebAPI with nHibernate and EF Core against a SQL Server in an Azure Cloud in an Agile/Scrum environment.
- Led the development of internal loan applications using C# ASP.NET Core and Entity Framework against SQL Server and PL/SQL Stored Procedures.
- Developed C# ASP.NET Core Web API service to ingest XML-based loan data via reflection of XSD schema. Improved load time 50x.
- Built integrations with Salesforce using Restful APIs and LogicApps.
- Evaluated and designed CI/CD solutions for deployment to Azure including Azure DevOps deploying Linux-based Docker containers to Azure App Services
- Migrated on-prem apps and applications to Azure Cloud
- Setup App Insights, App Services, App Registration, API Management and Container Registries in Azure
- Evaluated GraphQL for consuming JSON API data
Senior Software Engineer/Architect/Consultant
Kroll Inc.
Nashville, TN
04.2017 - 08.2020
- Designed and led the development of new REST C# .NET Core WebPI micro-services for CyberSecurity platform in AWS including Financial Monitoring, Credit Monitoring in the UK, Social Media Monitoring and New Account Application Alerts in an Agile/Scrum environment.
- Evaluated and designed CI/CD tools and processes including TFS and Bamboo
- Helped define Git flow processes.
- Improved logging and alerting using Splunk and AWS Cloudwatch
- Built integrations with Salesforce including billing and customer data using Restful C# .NET Core APIs and AWS Lambda functions
- Extended Legacy C# ASP.NET Webforms/Telerik/Kendo/JQuery/Javascript and APS.NET WCF services with new features including auto-activation
- Developed front-end Financial Monitoring application using Angular and Typescript consuming JSON data.
- Assisted in setting up AWS including EC2, ECS, Secrets Manager, Gateway and SMS
Senior Web Developer
Alludo
Austin, TX
09.2007 - 03.2017
- Re-architected new product messaging service and custom content management system using Python and Django in an Agile/Scrum environment.
- Migrated C# .NET applications and SQL Server Databases to Amazon Web Services (AWS).
- Migrated C# .NET applications to Python/Django Framework.
- Added Security improvements to Registration/Account Application
- Developed application to bulk load XML data into MongoDB.
- Involved in implementing automated build and deployment with Plastic SCM, Team City, and Octopus Deploy
- Developed SSRS Reports
- Developed C# ASP.NET Core/SQL Server account management services supporting 40+million users, product activation and registration supporting over 100 products, and other web-based applications that supported the core products.
- Responsible for development of all C# MVC ASP.NET Webform/Telerik marketing sites using C#, Javascript, HTML and CSS.
- Created new 5-tier SaaS, localizable architecture including custom RAD UI layer, WCF Service, WF(Windows Workflow Foundation), Business layer, Custom ORM, SQL Server DB that is highly configurable.
- Migrated several large-scale, complex applications from Oracle to SQL Server using nHibernate, custom ORM, and Remoting.
- Re-architected registration application to use MVC using WF to drive flow. Communication between view and controller using jQuery/JSON
- Added new features to Cinemanow B2B Vb.NET API such as UV integration and HD capabilities
- Developed secure WCF service for importing XML Movie Data for Streaming Service (Rovi Entertainment Store)
- Developed secure service-based C# ASP.NET application to support OS image recovery and repair
- Designed secure service-based SSO solution for all corporate and 3rd-party web applications.
- Developed a GUI-based C# ASP.NET Form Building tool to allow content producers to dynamically build forms quickly and easily.
- Architected a framework to distribute product catalog data managed through Interwoven Teamsite through a variety of custom controls by syndicating xml content datastore.
- Developed C# ASP.NET Offer Engine to intelligently deliver targeted advertising to marketing websites with a complete administrative interface.
Senior Software Engineer
Healthgrades
Santa Barbara, CA
04.2004 - 09.2007
- Team Lead for the development, maintenance, and enhancements of Medseek’s primary product offering SiteMaker, a content management application for Hospitals.
- Involved in migrating the CMS product from Object-Oriented Coldfusion (CFCs) to ASP.NET 2.0. using C#.
- Developer for Patient Portal using Dotnet and LLBLGen as O/R mapping tool.
- Instrumental in troubleshooting and resolving significant performance issues with the CMS application through implementing various optimizations including JRUN/Java/Garbage Collection configuration, ColdFusion configuration, application tuning and SQL tuning.
- Developed custom applications (modules) offered with product including RSS feed generator, Podcast generator, 3rd party content XML parser (VB.NET application), Baby Board application, and Login module
Education
Bachelor of Science - Mechanical Engineering
University of California Santa Barbara
01.1996
Skills
- Business/System Analysis & Data Modeling
- Object Oriented Design (OOD) and Programming (OOP), Design Patterns, SOLID, Domain-Driven Design
- Service Oriented Architecture, SAAS, REST API Web Services Microservices, and Integrations
- Full-Stack Web Application Development – UI/UX, API/MVC, DB
- Globalization and Internationalization
- Team Lead/Project Management/Architect
- Agile Methodologies (Scrum, Kanban)
- Security Protocols and Standards
- Cloud Design, Development, and Administration (AWS, Azure)
- Continuous Integration/Deployment (CI/CD), DevOps
- CRM and CMS Systems
- Event-driven Messaging
- C#, VBNET, Python, Javascript, Perl, VbScript, CFML
- Javascript, JQuery, Angular, TypeScript, React, HTML, CSS, BootStrap, Photoshop
- SQL, T-SQL, PL/SQL
- ASPNET, NET Core (MVC, WCF, EF, LINQ, WebAPI, WebForms, Telerik, Kendo, Workflow, ASMX), Visual Studio
- AWS (EC2, ECS, Secrets Manager, Gateway, Lambda CloudWatch, SNS, SQS, EventBridge)
- Azure (Dev Ops, Logic Apps, App Insights, App Services, App Registration, API Management, Container Registry)
- Windows, Unix, Linux
- SQL Server, Oracle, PostgreSQL, Mongo(noSQL), mySQL, Cognito
- IIS, Tomcat, nGinx, Django, Apache, Coldfusion, Nodejs
- Entity Framework, EF Core, nHibernate, Dapper
- HTTPS, SSO, OAuth, LDAP
- JSON, XML, SOAP, AJAX, REST, GraphQL, x12, XSD, HL7
- Git, GitHub, Git Flow, SVN, VSS, Bitbucket
- TFS, Azure DevOps, Pipelines, Docker, Bamboo, Octopus, Perforce, Jenkins, TeamCity, Jira
Timeline
Lead Software Cloud Engineer
gWorks
12.2022 - Current
Senior Software Engineer
American AgCredit
09.2020 - 12.2022
Senior Software Engineer/Architect/Consultant
Kroll Inc.
04.2017 - 08.2020
Senior Web Developer
Alludo
09.2007 - 03.2017
Senior Software Engineer
Healthgrades
04.2004 - 09.2007
Bachelor of Science - Mechanical Engineering
University of California Santa Barbara