21.07.2025 aktualisiert

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Software-Architekt, Entwickler für Identitäts- und Zugriffsmanagement (IAM)

Frankfurt am Main, Deutschland
Deutschland +2
info: Deutschland, Österreich, Schweiz
Master in Software-Engineering
Frankfurt am Main, Deutschland
Deutschland +2
info: Deutschland, Österreich, Schweiz
Master in Software-Engineering

Profilanlagen

Profile_Gorzas_20241129.pdf

Skills

Asp.NetC (Programmiersprache)JavaJavaScript.Net FrameworkMicrosoft WindowsActive DirectoryActive Directory Federation ServicesAPIsAmazon Web ServicesProxy-ServerApache HTTP ServerApache TomcatXcodeWeb Application FirewallArchitekturÖffentlicher SchlüsselAtlassian ConfluenceAtlassian JiraMicrosoft AzureBash ShellC#UNIXC++Client-Server-ArchitekturCentOSCloud ComputingDatenbankenContinuous IntegrationSoftware Design PatternsLinuxDevOpsEclipseMiddlewareJ2EEEntity FrameworkGitHubProtocol BuffersGradleGroovyIdentitätsmanagementIISWindows Communication FoundationIntellij IDEAVPNSpring FrameworkWildflyKerberosLDAPMessaging Application Programming InterfaceMariaDBApache MavenCitrix XenappMicrosoft Visual StudioMicrosoft VisioWindows Presentation FoundationMicrosoft Sql-ServerWindows Application Programming InterfaceMVCCitrix SystemsNHibernateOAuthObjektorientierte Software-EntwicklungOpenShiftOracle DatabasesX.509ScrumResource Description FrameworkRed Hat Enterprise LinuxRemote Desktop ServiceOpenid ConnectAzure Active DirectoryTransformationsmanagementCadence VirtuosoRSA (Cryptosystem)SamlSecurity Support Provider InterfaceServiceorientierte ArchitekturSOAPSingle Sign-OnSPARQLUMLVirtualizationVmware VsphereWeb ServicesWs-SecurityWindows Deployment ServicesTransport Layer SecurityGoogle CloudEnterprise Application PlatformTest-Driven Development.NET CoreGitSingle-Page-WebanwendungWs-federationContainerisierungAngularJSKubernetesCrypto CurrencyDomain Driven DesignXendesktopBig-ipDockerJenkinsArtifactoryVMwareMicroservices
PROGRAMMIER-/SCRIPTSPRACHEN
Java, C#, C, C++, Shell bash, JavaScript, Groovy, PowerShell

METHODEN/MODELLIERUNG
Scrum, OOA, OOD, OOP, UML, BPMN, Domain Driven Design (DDD), Secure Software Development Lifecycle (SSDL), Secure Test Driven Development (STDD), Test Driven Development (TDD), (Enterprise) Design Patterns

TOOLS
Eclipse, IntelliJ, Xcode, Confluence, JIRA, Visual Studio, Visual Studio Code, MS Office, MS Visio

DEVOPS/DEVSECOPS
Git, Maven, Gradle, Artifactory, CI/CD, Jenkins, Docker, Kubernetes, Google Kubernetes Engine (GKE), GKE multi-cluster Services (MCS), Multi Cluster Ingress, HashiCorp (Terraform, Vault), Red Hat OpenShift, GitHub, Azure DevOps

CLOUD
Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure

PLATTFORMEN/SERVER
Microsoft Entra ID, Azure AD B2C, ForgeRock Identity Platform, Red Hat Single Sign-On (Keycloak), IdentityServer, Apache DS, IIS, Apache (mit ModSecurity), F5 BIG-IP, AD Federation Server (ADFS), MS-Certificate Authority, MS-Remote Desktop, Citrix XenDesktop und XenApp, VMware vSphere

DATENBANKEN
Oracle Database, MariaDB, SQL Server, Virtuoso, GraphDB

FRAMEWORKS
Jakarta EE (JEE), Red Hat JBoss Enterprise Application Platform (JBoss EAP), Quarkus, WildFly, Spring, .NET Core (cross-platform), ASP.NET Core, ASP.NET Core Middleware, ASP.NET Core MVC, Entity Framework (EF) Core, Angular, .NET Framework and ASP.NET, STL, MFC, ATL, Windows Platform SDK, Windows Driver Kit (WDK), Windows Identity Foundation (WIF), Windows Communication Foundation (WCF), Windows Presentation Foundation (WPF), VMware vSphere Management SDK, VMware Remote Console (VMRC) SDK, NHibernate, Autofac, ASP.NET Zero, ASP.NET Boilerplate, dotNetRDF, Identity Experience Framework (IEF)

TECHNOLOGIEN
Identity and Access Management (IAM), Identity and Access Governance (IAG), Privileged Access Management (PAM), Unified Identity, Identity Governance and Administration (IGA), System for Cross-domain Identity Management (SCIM 2), Role-Based Access Control (RBAC), Principle of Least Privilege (POLP), Zero Trust, Application and API Security, (Web) Single-Sign-On (SSO), Identity Federation (Brokering), Single- / Multi-factor authentication, Transaction Signing, Security Assertion Markup Language (SAML 2.0), OpenID Connect, OAuth 2.0, WS-Security (WS-Trust, WS-Federation), WebAuthn, Fast Identity Online (FIDO) 2.0, Windows Hello for Business, Authentication mechanisms (Password, HOTP, TOTP, Push, Certificates, Smartcards, Passkeys…), Kerberos, Kerberos Protocol Transition, Kerberos Constrained Delegation, RADIUS, Claims-based Identity, Electronic Identity (eID), Virtualization, Containerization, Serverless Application Development, Microservices, Service mash, Service Oriented Architecture (SOA), Client/Server Architecture, Single Page Application (SPA), Web Services (SOAP and REST), Penetration Test, Win32 Services, COM, Credential Providers und Filters, Apache Modules, Local Security Authority (LSA), Security Support Provider Interface (SSPI), Crypto Service Providers (CSP), (Contactless) Smartcards, MS-Certificate Authority Extensions, x509 Certificates, Cryptography (AES, RSA, …), RDP, RemoteFX, ICA, HDX, RDP and ICA virtual channels, Remote Desktop Services, Terminal Services, Virtual Machines, Virtual Desktop Infrastructure, VMware Remote Console (VMRC) Protocol, DMZ, SSL, (SSL-)VPN, Reverse Proxies, Web Application Firewall, Cloud Computing, LDAP, Active Directory, Azure AD, Public Key Infrastructures (PKI), Windows Deployment Services (WDS) Server API, Windows Filtering Platform (WFP), Messaging Application Programming Interface (MAPI), Keycloak Service Provider Interfaces (SPI), Resource Description Framework (RDF), SPARQL, TripleStore (Graph DB), Directed-Acyclic-Word-Graph (DAWG), Protocol Buffers

BETRIEBSYSTEME
Linux (RedHat, CentOS), Unix, Windows (Desktop, Server, Embedded)

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2003

Sprachen

DeutschverhandlungssicherEnglischgut

Projekthistorie

Design and implementation of Keycloak based access management solutions.

Hays AG, BWI GmbH

Internet und Informationstechnologie

5000-10.000 Mitarbeiter

Design and implementation of Keycloak based access management solutions.

Design, maintenance and implementation of Red Hat SSO (Keycloak) extensions.

WeMatch, Trusted Shops GmbH

Internet und Informationstechnologie

500-1000 Mitarbeiter

Maintenance, design and implementation of Red Hat SSO (Keycloak) extensions (via Service Provider
Interfaces (SPI)).

Customer Identity and Access Management (CIAM) für labors.at

springeloo GmbH

Internet und Informationstechnologie

10-50 Mitarbeiter

Design und Implementierung des neuen Customer Identity and Access Management (CIAM) Dienstes für labors.at (basiert auf Keycloak). Design und Implementierung des gesamten Authentifizierungsablaufes mit 2-Faktor-Authentifizierung mit verschiedenen Authentifizierungsmechanismen (TOPT, SMS, WebAuthn (FIDO2), ID Austria (eIDAS), …).

Self-Service Portal for Unified Login

Erbe Elektromedizin GmbH

Pharma und Medizintechnik

1000-5000 Mitarbeiter

Design and implementation of the Unified Login self-service portal. Design and implementation of the backend (Azure Functions) with access to Microsoft Dynamics 365 (CRM) and the frontend (Angular) as a single-page application.

Architecture design of Unified Login

Akkodis, Telekom MMS GmbH

Internet und Informationstechnologie

1000-5000 Mitarbeiter

Architecture design of Unified Login for Workforce Users and Customers on Azure (based on Azure AD B2C). Design and implementation of the registration and authentication flows with multi-factor authentication (MFA). Implementation of identity brokering (federation) via Microsoft Entra ID.

PWSync 23.1.0.0

Landesbank Baden-Württemberg

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Design und Implementierung von PWSync 23.1.0.0. PWSync ist ein konfigurierbares Kennwortsynchronisations-System von Active Directory Kennwörter. Anhand einer XML-Konfiguration können die Kennwörter in verschiedene Benutzerverzeichnisse (LDAP basierte Directory Services, NT4, …) oder über Plug-Ins in Anwendungen synchronisiert werden.

BRAK Identity and Access Management (IAM)

Westernacher Solutions GmbH

Wirtschaftsprüfung, Steuern und Recht

50-250 Mitarbeiter

Architecture design of the new central Identity and Access Management service of the German Federal Bar (Bundesrechtsanwaltskammer, BRAK) according to the microservices architecture approach. Development concept for the 3 main components: Identity Manager (IdM), BRAK-IdP and Directory Service. Specification of the SCIM 2 based API of IdM. Design of the challenge-response based authentication API for the digital signature- based authentication mechanism.

Architecture design of Cloud IdP and leading the development of the Access Manager

Hays AG, Deutsche Bank

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Architecture design of Cloud IdP and leading the development of the Access Manager (based on ForgeRock AM). Cloud IdP is a multi-region cloud based identity provider hosted on the Google Cloud Platform (GCP). Design of the multi-cluster architecture on GCP. Design and implementation of the entire authentication flow with multi-factor authentication. Implementation of identity brokering (federation) and on-demand synchronization via Azure AD. Integration of applications via OIDC, OAuth2 and SAML. Integration of legacy services (e.g. mainframes) via RADIUS.

Maintenance, design and implementation of Red Hat SSO (Keycloak) extensions.

Hays AG, Deutsche Bank

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Maintenance, design and implementation of Red Hat SSO (Keycloak) extensions (via Service Provider
Interfaces (SPI)).

Maintenance, design and implementation of Keycloak extensions.

Eurostaff Group GmbH, NAS Smart Platforms GmbH

Internet und Informationstechnologie

10-50 Mitarbeiter

Maintenance, design and implementation of Keycloak extensions (via Keycloak Service Provider
Interfaces (SPI)). Customization of the Keycloak UI (FreeMarker templates). Configuration of user federation
(Identity Brokering) via ADFS.

Planning and implementation of the autosuggest index builder pipeline.

SOLCOM GmbH, Elsevier

Medien und Verlage

5000-10.000 Mitarbeiter

Planning and implementation of the autosuggest index builder pipeline. The components of the pipeline are implemented in executable artifacts and the execution of this artifacts is controlled by a Jenkins Pipeline. The executable artifacts are implemented as cross-platform (Windows, CentOS) .NET Core applications. The pipeline converts raw binary database files to RDF (Resource Description Framework) input files and loads this files into named graphs. The named graphs are stored depending on configuration either in remote (e.g. Virtuoso, GraphDB) or in local triple store (dotNetRDF). Data selection is according to configured selection rules (C# scripts with dynamic SPARQL queries). The selected data is converted into directed acyclic word graph (DAWG). The resulted DAWG is binary serialized (Protocol Buffers) and published to S3 buckets (AWS).

Enhancements for REX Tracker and REX Analyzer.

REX Analytics

Internet und Informationstechnologie

< 10 Mitarbeiter

Enhancements for REX Tracker and REX Analyzer. REX Tracker is a REX Analytics module that triggers and
synchronizes activities across multiple nodes required for launching test workloads and collecting performance
data. REX Tracker can launch predefined workloads, start and stop screen recordings, and collect telemetry
data. REX Analyzer is a REX Analytics module that presents previously collected screen videos and performance
data in a way that is easy to understand and interpret.

Evaluation, concept and implementation of the group-wide single sign-on (SSO) with migration to the IAM solution Red Hat Single Sign-On (Keycloak).

SOLCOM GmbH, BS PAYONE GmbH

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter

Evaluation, concept and implementation of the group-wide single sign-on (SSO) with migration to the IAM
solution Red Hat Single Sign-On (Keycloak). Design and implementation of custom providers for Keycloak (via
Keycloak Service Provider Interfaces (SPI)) and .NET REST based web services in the backend. Costumization of the
Keycloak-UI (using FreeMarker templates). Implementation of on-demand migration for legacy users and custom
registration for new ones. Integration (via OIDC or SAML 2.0) of the Sitefinity based service portal, F5 BIG-IP APM,
SAP BOE and .NET based web applications. Identity brokering with ADFS. Security concept for securely publishing
REST based API services.

Planning, implementation and maintenance of a high secure single sign-on (SSO) web application and web API access management system with an identity provider (IdP).

ASG Technologies

Internet und Informationstechnologie

5000-10.000 Mitarbeiter

Planning, implementation and maintenance of a high secure single sign-on (SSO) web application and web
API access management system with an identity provider (IdP). The high scalable distributed system supports
various authentication options (user name / password, certificate (smartcard), RADIUS, One Time Password, SMS,
SAML 2.0, OAuth 2.0), policy based authorization and different protocols (WS-Federation, SAML 2.0, OpenID
Connect, OAuth 2.0, …) and integrates via identity federation third party services (Salesforce, Google, Office 365,
...). The system is part of an enterprise-class cloud computing solution. It is used worldwide by several large
companies (in certain configurations for several 10,000 users) and has passed the penetration tests of specialized
companies.

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Versichert bis: 01.04.2027


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