Single Sign-On Experts in Austria
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Meet FRATCH Experts in Austria, who have recently used Single Sign-On
Peter Stritzinger
Last position:
Lead Software Architect at Pritz IT GmbH
- Lead software architect in a greenfield MES project (Manufacturing Execution System / factory control system), responsible for architecture decisions, technology selection, and technical direction throughout the entire development lifecycle
- Designed and built the core framework from scratch, including several reusable Spring Boot starters (e.g., OPC-UA integration, messaging, security) that enable flexible composition of the individual system modules
- Introduced Keycloak as the central authentication and authorization system with SSO across all MES components
- Created and owns the full CI/CD pipeline covering Java, NPM and Docker – automating build, test, containerisation and deployment across all project components
- Set up the architecture documentation space in Confluence as the single source of truth for all architecture decisions, component designs, and integration patterns
- Defined and enforced naming conventions and coding standards to ensure consistency in the growing codebase
- Conducted regular code reviews for quality assurance, knowledge sharing, and adherence to architecture guidelines
- Created and maintained technology roadmaps to guide future development priorities and infrastructure investments
René Zingerle
Last position:
DevSecOps & Kubernetes Engineer (Freelance) at mgm technology partners GmbH
Development of a Custom Jenkins Shared Library (Groovy)
Integration of security checks in CI/CD pipeline (Shift-Left Approach)
Automated vulnerability scanning and remediation workflows
GitOps-based deployments with ArgoCD
Semantic versioning automation with Git integration
Container lifecycle management (Build/Scan/Tag/Push)
ArgoCD webhook integration for event-driven deployments
Complete cluster automation with Ansible
Bare-metal Kubernetes installation from scratch
High-availability control plane setup
Unified deployment system for multi-application orchestration
Configuration management according to NIST SP 800-128
Host security: Linux hardening, SELinux/AppArmor
Network security: NetworkPolicies, micro-segmentation
Application security: RBAC, Pod Security Standards
Data security: Encryption at rest and in transit
Defense-in-depth principles
Certificate management with cert-manager
Secrets management with External Secrets Operator connected to Vault
Infrastructure monitoring with Checkmk
Prometheus/Grafana monitoring stack
Security event detection and logging
Automated health checks and incident response procedures
MetalLB load balancing for bare-metal
Nginx ingress controller with SSL passthrough
NetworkPolicies for security zones
Rook-Ceph distributed storage, CNI configuration (Weave Net)
Container & orchestration: Kubernetes (bare-metal), Docker, Helm
CI/CD & GitOps: Jenkins (Custom Shared Library), ArgoCD, Groovy
Automation: Ansible, Bash, Python
Security: nftables, RBAC, NetworkPolicies, cert-manager, Vault, Sealed Secrets
Monitoring: Checkmk, Prometheus, Grafana
Storage & networking: Rook-Ceph, MetalLB, Nginx Ingress, Calico
Collaboration: Jira, Confluence
OS: Debian, Ubuntu
Adrian Ion
Last position:
Strategic Technology Leadership & Digital/AI Transformation at Adrian Ion Consulting
- VCs, investors & CEOs: build or scale technology development in your (portfolio) company
- CTOs & senior technology leaders: experienced sounding board
- Traditional industries: increase value or optimize operations by further digitalization and AI
- Young technical leaders: build your leadership skills, technology-business interplay judgment, and strategic thinking, while under pressure to deliver
Andreas Becher
Last position:
Freelance iOS Developer at Self-employed
NFC – Project: Development of a prepaid app solution that retrieves already paid services (credit) via an NFC connection between smartphone and terminal
Technologies: REST, NFC, Swift Concurrency, Keychain
KURIER edition & Futurezone.at: Development of white-label apps in partnership with Technical Apps for k-digital Medien GmbH
Technologies: REST, In-App Purchase, Push Notifications, Analytics, OAuth
White-label app for sports associations and institutions: iOS client connected to backend, focusing on modularity, flexibility, and customizability
Technologies: Swift packages (Network, Core, Business Logic, Frontend), MVVM pattern, reactive programming (Combine)
Magenta Sport iOS app: OTT sports platform by Deutsche Telekom with SSO (OAuth), HLS video streaming, DRM protection
Video player framework: Integration of the Sportradar OTT process, licensing model, HLS streams, DRM, analytics, Chromecast, AirPlay, Picture in Picture, Apple TV; available as an XCFramework via CocoaPods; used in WRC, MagentaSport, NHL TV
Collaboration on other apps: DFB and DFB Fanclub; LAOLA1.at; LAOLA1.tv; RedBull Salzburg (formerly)
Martin Haintz
Last position:
Software Development & IT-Consulting at Self-Employed
Tech stack: Flutter/Dart, Unity3D, React, NextJS, JavaScript, TypeScript, HTML, CSS, SASS, SCSS, Tailwind, Bootstrap, Ollama, llama.cpp, LangChain, MCP, RAG, n8n, Node-Red, PlatformIO, Arduino, ESP, C, C++, Python/Django, NodeJS, C#, .NET, PostgreSQL, MySQL, MS-SQL, MongoDB, AWS, Azure, GCP, GitHub Actions, GitLab CI, Azure Pipelines, Ansible, Terraform, Docker, Postman, REST, WebSocket, Figma, Penpot, Adobe Illustrator, Adobe InDesign, VS Code, Android Studio, Visual Studio, Unity3D, Jira, Confluence, Traefik, Rclone, Authentik, pfSense, Cloudflare, Proxmox, MQTT
Previous projects:
n8n automation that reads incoming emails from an Office mailbox and routes them to stakeholders
FastMCP 2 server exposing internal services via REST API to an LLM
Terraform migration of cloud infrastructure with Azure VMs, network, blob, storage and cloud-init
Azure Pipelines for automated testing, deployment, and artifact management
Terraform, Ansible, Cloudflare Tunnel integration with Docker container provisioning and backups
GitHub Actions CI/CD for Flutter app builds, testing, automated screenshots, and App Store deployment
Flutter app with SSO, local database, backend integration, BLE synchronization
GCP setup with Cloud DNS, App Engine, Cloud SQL
AWS environment with EC2, S3, Route 53, ECS
Workshops delivered on Docker, Git, Terraform, Ansible, Cloudflare, DevOps, modern software development practices
Backend development with Python Django REST Framework, PostgreSQL, MQTT
SSO identity provider with OIDC, OAuth, LDAP, Cloudflare Tunnels, Authentik
Kurt Blumenschein
Last position:
Backend / Microservice Developer, DevOps, Test Automation at RCA, Rail Cargo Austria AG
- Backend / Microservice Developer, DevOps, Test Automation
- ~100 Devs, ~10 Teams, per team: 1 PO, 1 Scrum Master, 1 UX, 1 Developer, 1 Tester
- .net core 8, 9, C#
- Microservices, Clean-Architecture, MediatR, CQRS
- GraphQL, REST, SDL
- Azure DevOps, CI / CD-pipelines, Azure-Service Bus, Rabbit-MQ, Kafka, Azure App Configuration, Azure KeyVault, Azure Kubernetes AKS
- Splunk, dashboards, custom metrics, Elastic-Search, Kibana (ELK)
- Azure SQL-Databases, Azure Cosmos DB
- Architecture decisions, event governance, COP (Backend, DevOps, FrontEnt, Test Automations)
- AI, Copilot, creating test templates
- Scheduler, Hangfire, Quartz
- Automated unit and integration tests
- Automated E2E tests, Playwright test automation, BDD, Gherkin, Cucumber
- Tracking of shipments
- GIS, GPS data, geofence, geo search, position tracking, asset positions
- Jira, Confluence
- Focus on high-performance message-oriented architecture (~xx million messages per month per service)
- Structured logging, Serilog, OTel, Splunk, Application Monitoring
- Integration of different position data sources (GPS-based data) into Azure Data Lake
Jaroslav Abraham
Last position:
Child care, personal development and learning
Tobias Kirchmayr
Last position:
Bug Bounty Hunter & Security Researcher at HackerOne
Identification, analysis, and structured reporting of security vulnerabilities in web applications as part of authorized bug bounty programs.
Focus areas:
- Analysis of web applications, APIs, and authentication flows
- Reproducible documentation of technical findings
- Assessment of impact, risk, and technical root causes
- Creation of clear reports with step-by-step reproduction paths
- Added security and quality insights for digital product development
Maximilian Katlein
Last position:
Consultant at Specific-Group Austria
IT Seniors | .NET, Java | Freelance & employee possibilities | 80 - 100% Remote in Europe.
Who is the Specific Group?
- Sector: 70% Finance & Fintech - 30% Industry: KTM, Liebherr, Porsche, VW
- Over 20 Scrum teams enable project changes instead of company changes
- Over 200 technical colleagues in Vienna (90% senior colleagues)
- 25 years in the IT market, 11 branches in Europe (450 technical colleagues in total)
- Technical focus: Java Spring, Kafka, AWS/Azure
Discover over 15,000 top freelancers
Statistics of experts using Single Sign-On
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
3.6 years
Positions per freelancer
8
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Product Development, Customer Service
Bachelor's degree or higher
83%
Master's degree or higher
50%
Doctorate
17%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
89%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Austria are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Austria using Single Sign-On
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Access control
Single Sign-On lets users sign in once and reach several systems without repeating passwords. It is used across internal tools, customer portals, SaaS suites and partner apps. Strong specialists understand how SSO changes login flow, session handling and account linking.
Common standards
- SAML for enterprise sign-in and federation
- OpenID Connect for modern web and app login
- OAuth 2.0 for delegated access and token flow
- Identity providers such as Okta, Microsoft Entra ID and Azure AD
The right expert knows when each standard fits and how they interact. They also spot gaps in claims, token lifetimes and certificate handling before rollout.
Integration work
SSO projects often touch many systems at once. A good freelancer maps application callbacks, redirects, logout paths and user provisioning so the whole login journey stays consistent.
- Connect cloud apps and custom software
- Align sign-in across mobile, web and desktop clients
- Set up federation between company domains or business partners
- Coordinate rollouts with security and IT teams
Security needs
Companies bring in freelance expertise when logins are failing, users are confused by multiple accounts, or a migration is overdue. They also need help when a new identity provider, tenant split or merger changes the authentication landscape.
A strong professional works carefully with MFA, session policies, certificate rotation and least-privilege access. They also document recovery paths so support teams can handle edge cases.
What strong specialists do
Good SSO specialists read protocol traces, explain trust relationships in plain language and test every critical path. They can work with business teams, security reviewers and application owners without losing the detail that keeps sign-in reliable.
In Austria, this often matters for firms with mixed local and international teams, where remote coordination and clear English documentation are expected. On-site work can help during cutovers, but much of the analysis and implementation can be done remotely.
Typical deliverables
Expect more than a quick configuration change. Experienced experts deliver login architecture, provider setup, attribute mapping, rollout support, troubleshooting and handover notes.
- SSO design for new systems or migrations
- SAML or OpenID Connect configuration
- User and group claim mapping
- Sign-in and logout troubleshooting
- Clear implementation and support documentation
Frequently asked questions
What clients ask us most about Single Sign-On — answered in short.
Single Sign-On lets users authenticate once and then move between connected apps without repeated logins. It reduces password sprawl and makes access control easier to manage across internal and external systems. For companies, it usually becomes part of a broader identity setup with an identity provider, session rules and MFA.
A strong Single Sign-On freelancer will choose based on the application landscape, not habit. SAML is common in enterprise federations and older SaaS integrations, while OpenID Connect is often better for modern web and mobile sign-in. Many projects use both, especially when a company has a mix of legacy and newer systems.
Single Sign-On work usually sits close to identity and access management, application security and cloud administration. Useful adjacent skills include OAuth 2.0, SAML, OpenID Connect, token handling, directory services and user provisioning. If the project is complex, experience with Azure AD, Okta or similar identity providers helps a lot.
The right level depends on the risk and the number of systems involved. A simple app connection may need a specialist who can follow a known pattern, while a company-wide rollout needs someone who can design the trust model and handle edge cases. For migrations or federation changes, do not rely on generalists alone.
Single Sign-On expertise is usually needed when users keep separate passwords, login incidents are rising, or a new app must fit an existing identity provider. It also comes up during company merges, tenant changes, cloud migrations and security reviews. If sign-in details are unclear across teams, a specialist can save time and rework.
Most Single Sign-On work can be done remotely because the core tasks are design, configuration, testing and documentation. On-site time can help during cutovers, workshops or when teams need fast alignment on access policies. In Austria, many projects work well with remote delivery as long as communication stays precise.
Look for someone who can explain the login flow clearly, not just change settings in a console. A good Single Sign-On specialist provides a clean implementation plan, tests logout and error paths, and documents claims, certificates and rollback steps. Strong evidence also includes experience with real integrations, not just theory.
Single Sign-On is used in all three cases. Employee sign-in is the most common, but customer identity, partner portals and federated access between organizations are also common use cases. The design changes with each audience, especially around consent, provisioning and account linking.
The average hourly rate of freelancers in Austria who have used Single Sign-On in their recent projects is 86 €, which corresponds to a daily rate of about 685 € based on an 8-hour working day.
Of the freelancers in Austria who have used Single Sign-On in their recent projects, 83% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Austria who have used Single Sign-On in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 3.6 years.
The most common languages among freelancers in Austria who have used Single Sign-On in their recent projects are German (100%), English (89%), and Spanish (33%).
The most common industries among freelancers in Austria who have used Single Sign-On in their recent projects are Information Technology (89%), Manufacturing (56%), and Banking and Finance (33%).
The most common business areas among freelancers in Austria who have used Single Sign-On in their recent projects are Information Technology (100%), Product Development (78%), and Operations (67%).
Main locations of FRATCH Experts, who have recently used Single Sign-On
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Countries:
Vienna Graz Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
