LDAP Experts in Cologne
in minutes with vetted specialists and AI matchingHire specialists who design directory lookups, tune authentication flows, and connect LDAP with Active Directory, OpenLDAP, and enterprise apps. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Cologne, who have recently used LDAP
Hooman Behmanesh
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Markus Blohm
Last position:
Consultant, Technical Project Manager at Lanxess
- Project: ESU Windows and SQL Server consolidation / Configuration Management in ServiceNow
- Creation of an as-is analysis of all servers worldwide
- Creation of an as-is analysis of all SQL servers worldwide
- Creation of requirements analyses for SQL and server migrations
- Coordination of requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
- Moderation of jour fixe meetings
- Creation of roadmaps and solution models for server migrations
- Setup of test scenarios
- Moderation of workshops for the introduction of a Global Admin Team
- Creation of data models (CMDB) in ServiceNow
- Conducting workshops for the CMDB data model
- Creation of solution models for the CMDB
- Creation of seamless configuration and work documentation for the CMDB
- Creation of reports for license management
- Creation of KPIs for data quality in ServiceNow
- Creation of a service catalog
- Moderation of workshops for creating service requests
- Interface between needs analysis and ServiceNow development team
- Systems used: Windows 7, Windows 10, Microsoft Office 365/2010, Windows Server 20xx, SQL Server 20xx, SharePoint, Azure Cloud, Hyper-V, ServiceNow, various tools
Yaroslav Shargorodskiy
Last position:
Senior Low-Code Consultant at Freelancer
Structured analysis and evaluation of business processes
Gathering, documenting, and prioritizing requirements
Creating business-friendly and technically executable process models
Use of Camunda tools
Deriving requirements and interfaces from BPMN diagrams
Coordination with stakeholders and business units
Translating business requirements into technical solution designs
Implementing efficient and tailored applications
Systematic collection, analysis, and documentation of requirements
Prioritizing and validating requirements in close collaboration with stakeholders
Alignment between business and development to ensure shared objectives
Creating use cases, user stories, and acceptance criteria
Continuous requirements and change management throughout the project lifecycle
Define project goals and create project plans
Delegate tasks and monitor project progress
Monitor budgets and inform stakeholders
Mendix: Architecture, development, and maintenance of custom applications (Microflows, Domain Model, Security, XPath)
Modeling Mendix workflows for process optimization
Develop scalable apps with Mendix including REST/SOAP integration with SAP, SQL, Azure & SharePoint
UI design for Mendix using Atlas UI, Fluent UI, HTML, CSS, JavaScript
Develop web & mobile apps with Mendix using agile methods (Scrum, Kanban)
Implement business logic with Mendix Microflows and Nanoflows
Performance optimization and architecture improvements for Mendix applications
Conduct Mendix training
Create technical documentation and best practices for Mendix
Coaching and mentoring for low-code development with Mendix
Stefan Marx
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Yannick Tessa
Last position:
Cloud Architect at Anonymous
- Implementation of Infrastructure as Code (IaC) with Terraform to ensure a scalable, repeatable, and secure Azure infrastructure
- Implementation and optimization of CI/CD pipelines with Azure DevOps
- Management of container and server environments and AKS
Christian Hunkirchen
Last position:
Developer at Opereon Consulting GmbH
- Developed a shop website
- Integrated an AI language model
- Developed tools for AI-powered webhooks
- Technical tools: REACT.js; Elevenlabs; MCP; n8n; HTTP
René Karges
Last position:
Freelancer at Freelance work
- Business analysis
- Requirements management
- Project management
- Stakeholder management
- Team leadership
Pierre Gronau
Last position:
Ansible Automation, Windows Third Level Support at DB InfraGO AG
- PRISMA project
- Ansible automation
- Windows third level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Peter Brungs
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Daniel Langemann
Last position:
Developer / Software Architect at rffl.io
- PHP 8.4
- Platform for sweepstakes: API-first approach with Symfony/API Platform
- API Platform 4.2 (REST, JWT, Doctrine/PostgreSQL, API documentation) plus AWS tools
- Symfony 7.3 for infrastructure, hosting, and subsequent operation on AWS with ECS
- Postgres
- AWS RDS, SQS, Fargate, RDS Postgres database, and AWS SQS message queue
- Managing infrastructure with Terraform
- After successfully implementing Terraform, the GmbH was founded as the next organizational step
Alexander Stier
Last position:
TYPO3 Senior Fullstack Developer, Backend & Frontend at Vergleich.de Gesellschaft für Verbraucherinformation mbH via HALIAN GmbH
- Typoscript
- Extbase
- Fluid
- Typescript
- requireJS
- WebVital
Evgeni Kozorev
Last position:
Quality Assurance Manager at DTAG
- Project management in the acceptance of a central database in DTAG's network (subscriber data and network data)
- Supplier support: Siemens until 2007
- Technical lead of the international test team at Nokia since November 2007
- TMO CitioAward in Silver (2001)
- Development support
- Requirements management
- Error reporting
- Rollout support
Discover over 15,000 top freelancers
Statistics of experts using LDAP
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 23 years)
Position duration
2.8 years (Germany: 3.5 years)
Positions per freelancer
19 (Germany: 16)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Insurance
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
63% (Germany: 76%)
Master's degree or higher
38% (Germany: 48%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 Cologne 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 Cologne using LDAP
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
Directory access
LDAP stands for Lightweight Directory Access Protocol. It is used to read and manage directory data such as users, groups, devices, and roles. Companies rely on it for login, lookup, and access control across internal systems.
Common setups
LDAP often sits behind sign-in flows and admin tools. It is common in environments that use Active Directory, OpenLDAP, or other directory services.
- User and group search
- Single sign-on support
- Access policy checks
- Directory sync and migration
When experts help
Freelance specialists are useful when a directory is slow, inconsistent, or hard to integrate. They also help during migrations, schema changes, and security reviews.
In Cologne, this work often supports larger company networks, managed service setups, and hybrid IT landscapes. Remote support is common, but on-site help can matter for sensitive access changes or rollout planning.
Skills that matter
Strong LDAP professionals understand bind methods, schema design, filters, referrals, replication, and permission models. They can also read logs, trace authentication issues, and map application needs to directory structure.
They should be comfortable working with Active Directory, OpenLDAP, Kerberos, and related identity systems. Clear documentation is important because directory mistakes affect many connected tools.
Typical deliverables
A good engagement usually produces practical outputs, not theory.
- Directory audits
- Schema updates
- Integration fixes
- Migration plans
- Security hardening notes
What quality looks like
Quality LDAP work is stable, predictable, and easy to maintain. The directory responds correctly, permissions are narrow, and applications can authenticate without custom workarounds.
Strong specialists test edge cases such as expired accounts, nested groups, and referral handling. They also leave behind clean configs and clear handover notes for the next team.
Frequently asked questions
What clients ask us most about LDAP — answered in short.
LDAP is used to store and query identity data in a central directory. Companies use it for logins, group checks, address books, device records, and access control across internal tools. It is a core part of many identity and authentication setups.
LDAP is a protocol, while Active Directory is a Microsoft directory service that supports LDAP-style access. In practice, teams often use LDAP to connect apps to Active Directory or to an OpenLDAP directory. A good specialist knows both the protocol layer and the directory product behind it.
LDAP projects benefit from outside help when authentication fails, schemas change, or directory data needs cleaning before a migration. Freelancers are also useful for integration work between business apps and identity systems. If many tools depend on the same directory, a small mistake can have a wide impact.
A strong LDAP specialist usually knows Active Directory, OpenLDAP, Kerberos, and basic Linux administration. Scripting for diagnostics and automation also helps a lot. For many projects, knowledge of SSO and identity governance is just as important as the protocol itself.
LDAP work can often be done remotely because most tasks involve configuration, testing, and log review. On-site help in Cologne can still be useful for sensitive access changes, network restrictions, or workshops with local IT teams. Many companies use a mix of remote implementation and local coordination.
LDAP is simple at first glance, but production directories are rarely simple. For basic integration, a specialist with solid hands-on experience may be enough. For schema redesign, migration, or security cleanup, you want someone who has handled similar directory environments before.
Look for someone who explains directory structure clearly and asks about dependencies before changing anything. A strong LDAP professional validates filters, permissions, referrals, and replication behavior, not just login success. Good handover notes and rollback planning are also strong signs.
No. LDAP is the protocol, while OpenLDAP is an open-source directory service implementation that speaks that protocol. Companies often mean OpenLDAP when they say LDAP, so it helps to clarify the exact system in use before the work starts.
The average hourly rate of freelancers in Cologne, Germany who have used LDAP in their recent projects is 100 €, which corresponds to a daily rate of about 801 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used LDAP in their recent projects, 63% hold at least a Bachelor's degree and 38% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used LDAP in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Cologne, Germany who have used LDAP in their recent projects are German (100%), English (100%), and French (17%).
The most common industries among freelancers in Cologne, Germany who have used LDAP in their recent projects are Information Technology (100%), Banking and Finance (42%), and Insurance (42%).
The most common business areas among freelancers in Cologne, Germany who have used LDAP in their recent projects are Information Technology (100%), Product Development (83%), and Project Management (75%).
Main locations of FRATCH Experts, who have recently used LDAP
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.
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