KornShell Experts in Germany
for reliable automation, matched in minutes with vetted and available freelancersHire experts who automate Unix and Linux operations, modernize legacy KornShell scripts, and connect enterprise batch processes with tools such as awk, sed, cron and SSH. FRATCH finds a precise match quickly among vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used KornShell
Burhan D.
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Sabahattin K.
Last position:
Sole responsibility (design, development, infrastructure, operations) at Own project busik.ch
- Ride-sharing and bus platform, live and fully functional. Backend with Spring Boot 4.1 on Java 21, PostgreSQL with Flyway, and Testcontainers integration tests. Hosted in my own AWS account (ECS Fargate, ALB, ECR, IAM Least-Privilege) with CI/CD via GitHub Actions and OIDC federation without static credentials. Development fully AI-supported with Claude Code, including custom skills and project-specific memory. Spring Boot · Java 21 · PostgreSQL · Flyway · Docker · AWS ECS/ALB/ECR · CI/CD · GitHub Actions · Claude Code
Knud W.
Last position:
Lead Programmer, Architect and Deputy Product Owner at Bundesagentur für Arbeit
- Lead programmer, architect and deputy product owner
- Completed transition from zPDV to STEP
- Ensured quality of C++ and Perl sources through automated and manual checks
- Supported resolution of incidents and errors in testing
- Implemented batch for supplementary assignment of payment run numbers
- Implemented batch for distribution of SGB 2 information to the central payment unit
- Supported replacement of Solaris with Linux
- Upgraded gcc from 7.4 to 9.3
- Programmatically generated Makefiles from Borland projects for builds
- Extended funding data with new attribute “Kennzeichen Fahrtkosten Praktikum”
- Programmatically generated XSD and WSDL files from IDL definitions
- Represented the product owner when needed
- Implemented batch for one-time payment processing
- Developed generator for Liquibase files
- Implemented and maintained regular anonymization of production data
- Supported migration from SLES 12 to SLES 15
- Supported introduction of mutual TLS
- Implemented batch for sending deletion impulses to EDA BE
- Organized script directory structure
- Investigated potential introduction of String-Latin and implemented minimal solution
- Remediated security findings identified by CheckMarx
- Supported PAP recalculations and general change notices
- Converted ERP interfaces from SOAP to REST
- Planned technical and business topics such as register modernization, cash register security, training costs, four-eyes principle
Rolf G.
Last position:
Developer & Designer at Sicherheitsbehörden
- Migration of a case management system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development toward a cloud application
- Consulting, development, requirements analysis, specification and design
- Coordination with upstream and downstream systems
- Data modeling, programming and implementation
- Support with code reviews and ensuring clean code in the PL/SQL context
- Documentation in Confluence
- Troubleshooting of PL/SQL applications, including log analysis, session tracing and performance profiling
- Optimization and tuning measures in the PL/SQL environment
- Knowledge transfer and onboarding of new employees
- Use of Jira for task management, progress tracking and sprint planning
Michael K.
Last position:
DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo
- Installation, planning, maintenance and further development of the server farm in the area of hardware and software
- Migration of live systems with minimized downtime
- Processing tickets and changes in daily business
- Documentation of changes and processes in Confluence
- Test runs in the development environment
- Configuration and administration of Linux systems
- Configuration and administration of backup systems (Dell Networker, DataDomain)
- Administration of the Checkpoint firewall
Ulm P.
Last position:
DataStage ETL Expert at ING Bank
- Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
- Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
- Storage of the silver layer on Hadoop and the gold layer in Oracle.
- Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
- Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
- Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
- Versioning changes in GitHub and deployment via the CI/CD portal.
- Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
- Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
- Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
- Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
- Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.
Georg D.
Last position:
Senior Project Manager at Apleona GmbH
- Project review, restructuring and PM for the migration of a total of 12,000 Windows workstation systems (650 applications) from SCCM or Empirum/Matrix42 to MS-Intune following a merger.
- Took over a significantly delayed and poorly managed project in the role of “firefighter”.
- Completely revised and adjusted/updated the planning of the customer and the service provider involved.
- Introduced planning baselining and the recording/mitigation of current risks.
- Introduced an efficient, partly automated planning/reporting interface between MS-Project Planning (service provider) and Jira (customer).
- Restructured meetings to increase efficiency and eliminate redundant appointments.
- Completed the analysis and design phase and prepared basic data for migrations from the heterogeneous systems of the two merged companies.
- Started the User Acceptance Test (UAT).
- Technologies: MS Autopilot, Zero Touch.
André G.
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Matthias V.
Last position:
Managing Partner at IT consulting firm
Olaf T.
Last position:
BI Architect in Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Arne H.
Last position:
Embedded Fullstack Developer at IoT / Infrastructure Automation Sector
- Analysis of legacy codebase and identification of architectural issues, implementing improvements in coordination with the Product Owner.
- Development of clean, efficient, and fully documented code following established software engineering practices and standards.
- Analysis of Erlang components in backend and device layers to provide recommendations for ensuring stable system operation.
- Setup and optimization of CI/CD pipelines on client infrastructure, including testing, debugging, and certificate management quality assurance.
- Participation in planning, design, and implementation of epics and stories according to Product Owner specifications.
- Technical consultation for Product Owner regarding Erlang codebase management and best practices.
- Collaboration with Product Owner, Scrum Master, and development team to ensure timely delivery of features.
- Elixir & Phoenix + PostgreSQL
- Erlang
- IoT
- CI/CD
- Git
- Agile/Scrum
- Docker
- Kubernetes
- Frontend (VueJS)
- Embedded Devices
Ioan D.
Last position:
Senior Software Developer at ING
- Tribe Home, Product Area 4 - Customer in Life, Squad Cybertron.
- Analysis, design, development, and testing of new requirements for Optimmo, construction financing software.
- Analysis, design, development, and testing of the JEE application MWS kredit-baufi.
- Analysis, design, development, and testing of the Wicket Optimmo application.
- Analysis, design, development, and testing of kredit-baufi batch programs.
- Migration of kredit-baufi batches to RHEL9.
- CiL SCS Consumer Pacts with Finagle.
- CiL ScS Touch Point Architecture Integration.
- Team size: 10.
- Tools / Frameworks: OpenJDK Java 17, Kotlin 1.6.0, Azure, Jenkins, Stash, JEE, Gitlab, JIRA, Confluence, git, Spring 6.0, Sping Cloud, Spring Data, Hibernate, JPA, JMS, Kafka, Oracle, PL/SQL, Red Hat Enterprise Linux (RHEL), Maven, REST, JBoss, Intellij IDEA, Wicket 9 and 10, Istio.
Marko O.
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Andreas S.
Last position:
Project Management, Development and Test- (Defect-) Management at safarica.com
- Creation and implementation of a multilingual, relational MariaDB database to reflect the requirements of a booking system designed for safaris in Africa
- Testing the front- and backend functionality, registration of clients and suppliers, the editorial system and the payment workflow
- Defect management and documentation via BugHerd
- Implementation of an automatic internal deployment of deliveries provided by an external company via bash scripts
- Coordination of external companies in the function of a project manager (Stakeholder Management)
Manfred S.
Last position:
Senior System Engineer Linux at DB InfraGo AG
- Set up and updated virtual machines for railway operations infrastructure.
- Used VMWare vSphere 6–8, Veeam Backup, Microsoft Active Directory, DNS, NPS, and WSUS.
- Used RedHat Satellite Server, rSyslog Server, Icinga2, Postfix, Tacacs, Ansible, and Ansible Automation Platform.
- Operated HPE rack servers and HPE Synergy blade servers with Meinberg NTP Server, Brocade FC, and Cisco Nexus 9000.
Discover over 15,000 top freelancers
Statistics of experts using KornShell
Aggregated from the professional profiles of matched freelancers.
Experience
30 years
Position duration
3.1 years
Positions per freelancer
24
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
65%
Master's degree or higher
29%
Doctorate
6%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
96%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using KornShell
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
KornShell experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (96%)
- Banking and Finance (88%)
- Government and Administration (63%)
- Transportation (54%)
- Insurance (50%)
- Telecommunication (46%)
- Automotive (38%)
- Manufacturing (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What KornShell is
KornShell, commonly written as ksh, is a Unix shell and scripting language for command-line work and system automation. It combines interactive shell features with structured programming, making it useful for repeatable operational tasks, batch processing and robust administration scripts. The KornShell family includes original ksh and compatible implementations such as KornShell 93.
Where it runs
KornShell is found in Unix and Linux environments, especially in established enterprise estates where shell scripts support core operations. It can orchestrate file movement, process control, scheduled workloads and service checks across servers. Companies in manufacturing, finance, telecommunications and other regulated industries may retain ksh-based workflows because they are deeply integrated with existing systems.
Typical deliverables
- Shell scripts for deployment, monitoring, backup and housekeeping
- Batch workflows that validate, transform and route files
- Migration plans from legacy ksh scripts to maintainable automation
- Integrations using SSH, cron, awk, sed, grep and standard Unix tools
- Test, logging and recovery routines for unattended jobs
Strong specialists define clear inputs and exit statuses, handle signals and temporary files safely, and make failures visible. They understand quoting, permissions, pipelines, subshells, environment variables and portability concerns across Unix variants. Their work remains readable for the teams that must operate it later.
When expertise matters
Companies usually bring in freelance KornShell expertise when a critical script estate lacks documentation, a Unix migration exposes compatibility issues, or batch jobs need safer controls. Specialists can audit fragile automation, remove hidden dependencies and introduce version control, testing and release discipline without disrupting established operations. In Germany, they may collaborate remotely with infrastructure and operations teams or join on-site work where legacy environments require direct access.
Connected skills
Useful adjacent knowledge includes Linux and Unix administration, POSIX shell behavior, networking, access control and enterprise scheduling. Depending on the environment, the work may also involve Oracle or other database command-line tools, secure file transfer, CI pipelines, containers or observability systems. Familiarity with Bash helps when comparing behavior, but a ksh specialist must still account for syntax and portability differences.
Choosing a specialist
Look for professionals who can explain script behavior, failure paths and operational trade-offs in plain language. Ask for examples of safe production automation, dependency mapping and migration work rather than isolated command snippets. A strong specialist uses shellcheck-style review where appropriate, tests destructive actions carefully and documents assumptions. German-language communication can help with local teams, while clear English remains valuable in international Unix operations.
Frequently asked questions
Curious about KornShell? Here are the answers that come up again and again.
KornShell is used to automate Unix and Linux tasks through scripts and command-line workflows. Common applications include batch processing, file handling, system checks, deployment routines, backups and scheduled operations.
KornShell and Bash both support Unix shell automation, pipelines and scripting constructs. The better choice depends on the existing estate, compatibility requirements and team standards; a specialist should assess whether changing a stable ksh workflow creates more risk than value.
A strong ksh specialist usually understands Unix or Linux operations, POSIX shell behavior, permissions, networking and process control. Experience with awk, sed, grep, cron, SSH, databases and enterprise scheduling is also useful for complete production workflows.
The right level depends on the risk and scope of the work. KornShell script maintenance may need a specialist who can trace dependencies and test safely, while a migration or redesign calls for deeper knowledge of Unix variants, interfaces, release processes and operational recovery.
Yes, many KornShell tasks can be completed remotely through controlled access, documentation and secure collaboration. On-site work may be useful when scripts depend on isolated infrastructure, restricted systems or close coordination with a German operations team.
Bring in a KornShell freelancer when critical scripts are poorly documented, batch jobs fail unpredictably, or a Unix migration exposes compatibility problems. External expertise is also useful for audits, hardening, testing and knowledge transfer without taking an internal team away from daily operations.
Review how the specialist handles quoting, exit codes, signals, permissions, temporary files and partial failures. Good KornShell work includes readable structure, explicit assumptions, useful logging, safe recovery behavior and tests that reflect real production conditions.
KornShell remains relevant where established Unix automation supports important business processes. Professionals should be comfortable improving legacy scripts while respecting compatibility, operational controls and change management, and should know when Bash, Python or another tool is a safer long-term choice.
The average hourly rate of freelancers in Germany who have used KornShell in their recent projects is 97 €, which corresponds to a daily rate of about 774 € based on an 8-hour working day.
Of the freelancers in Germany who have used KornShell in their recent projects, 65% hold at least a Bachelor's degree, 29% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Germany who have used KornShell in their recent projects have 30 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Germany who have used KornShell in their recent projects are German (100%), English (96%), and French (42%).
The most common industries among freelancers in Germany who have used KornShell in their recent projects are Information Technology (96%), Banking and Finance (88%), and Government and Administration (63%).
The most common business areas among freelancers in Germany who have used KornShell in their recent projects are Information Technology (100%), Product Development (79%), and Quality Assurance (79%).
Main locations of FRATCH Experts, who have recently used KornShell
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
