Lisp Experts in Germany
for language tools, automation and intelligent systems, matched with vetted freelancers in minutesHire experts who design and maintain Lisp-based systems, from Common Lisp services and Clojure applications to Scheme interpreters and Emacs Lisp automation. FRATCH connects you with precisely matched, vetted and available freelancers without a lengthy search.
Meet FRATCH Experts in Germany, who have recently used Lisp
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
Thorsten L.
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Bernhard S.
Last position:
Agile Business Analyst and Requirements Engineer at Deutsche Post DHL
- Agile project "PEPSi annual vacation planning MVP Lite" (digitalization project).
- Definition of state transitions for the JUP Lite functionality.
- Creation of user stories for login/logout and registration.
- Quality assurance of the business-side concept.
- Preliminary analysis for the transformation from the old PersPlan to DigiPEP.
- Tools used: Signavio, MS Office (Excel, Word, PowerPoint), Jira, Confluence, Mural, Miro, Conceptboard, MS Teams, Mattermost.
Alexander S.
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
Adem S.
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Michael B.
Last position:
Scrum Master, Project Manager at GP Solutions DMCC
- Participated in the Riyadh Public Transport (KAPT) project introducing public transportation in Riyadh, supporting multimodal journeys combining bus, metro, car on demand.
- Worked via Thiqah and partnered with Andersen to refactor the mobile MaaS application DARB into a new microservices architecture under SCRUM framework, successfully completing Phase 1.
- Facilitated a team of 40 developers across Android, iOS, Web, Java, DevOps, architecture, analysis, and QA.
- Moderated Scrum events and communicated with the client, proactively reporting on project deadlines, scope, and challenges.
- Coordinated cross-team efforts between Thiqah specialists and GPS development teams, managing Jira and Azure DevOps trackers.
- Supported and improved Scrum processes throughout the project.
- Due to Thiqah’s takeover by Elm, subsequent phases were handled entirely in Saudi Arabia with GPS providing IT consulting.
- Tools: Azure DevOps, Jira, Confluence, Draw.IO, ChatGPT
Tony R.
Last position:
Network Expert at Self-employed
- Consulting and execution of migration from Cisco AireOS to Cisco IOS-XE controller
- Solution design
- Configuration and staff training
- Products: Catalyst Center, Cisco controllers and IOS and COS access points, 9800-40, 5520, 8510, 9120, 9136, 9166, Catalyst switches, Aruba Clearpass
- Keywords: Tags, profiles, SSIDs, 802.1X authentication, captive portal, Identity PSK (iPSK), VLANs, troubleshooting, automation, RESTCONF, NETCONF, YANG
Andreas E.
Last position:
Consultant at Iteratec GmbH
Gwen G.
Last position:
Senior Ruby on Rails & DevOps Developer at Sapiens
Further development of a software solution for managing test requests and test notifications according to §106d SGB V for the Hamburg Association of Statutory Health Insurance Physicians.
- Developed numerous features, performance optimizations, refactoring, error analysis
- Refactored the dev container setup
- Optimized the GitLab CI build pipeline
- Contributed optimizations to the team workflow
Florian D.
Last position:
Scholar at MATS
- Designed an automated model evaluation pipeline enabling LLMs to inspect each other for alignment issues
- Implemented a RAG system with iterative cross-examination for reliable results
- Automated generation of written summaries and hypotheses to support rapid iteration and hypothesis testing
Andreas S.
Last position:
Lead Developer at Software
- Extended the document management system with a standard CMIS (Content Management Interoperability Services) interface
- Implemented CMIS core services like navigation, access rights, search, CRUD operations, and versioning in Java
- Implemented based on RESTful / OpenAPI services
- Delivered as a fat-jar and native container image
- Deployed on-premises and serverlessly as an Azure Container Application using Terraform
- Improved team autonomy through infrastructure engineering and short feedback loops
- Established observability with OpenTelemetry, Azure Monitor, and Azure Logic Apps
- Introduced Terraform and trunk-based development processes
- Ensured quality with BDD tests in C# using SpecFlow and Testcontainers
- Created Azure DevOps pipeline integration tests
- Introduced cloud deployment processes
- Trained staff in cloud and Terraform
Peter N.
Last position:
Pilot testing AI tools & sabbatical for house renovation
- Pilot testing local AI environments to explore local AI use cases and cloud-based AI solutions
- Evaluation of AI tools and techniques
- Use of local AI tools with own data sovereignty
- Prompt engineering
- Creation of example environments for speech-to-text, text-to-speech, text-to-image, text-to-video, and image-to-video
Tools: Grok, Perplexity, ChatGPT, Elevenlabs, Github, Ollama, HuggingFace, Open WebUI, Faster Whisper, LibreTranslate, WSL, Docker Desktop, Shotcut, Audacity, Sound eXchange, Ffmpeg, Coqui TTS, Pinokio, Stable Diffusion Web UI, ComfyUI, OWL, Void Editor
Jürgen B.
Last position:
Database Administrator and Performance Tuning Specialist at ALD Automotive Leasing Deutschland
- Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 with Oracle 12c and 19c
- Troubleshooting and resolution on RHEL 7
- Automation of operations with UNIX/Linux shell scripts, Perl programs, and PL/SQL
- Planning, preparation, execution, and customer-specific review of changes and upgrades for the LEASMAN and DOXIS applications
- Incident handling including communication with outsourcing service providers and business units
- Data exchange with Data Pump
- Visualization of database content and monitoring results
- Configuration of databases for Debezium and monitoring Debezium activities
- Preparation of Oracle databases for migration to cloud environments
- Implementation and monitoring of NIST requirements in databases
- Automation of release upgrades for the LEASMAN application
- Creation of operations manuals and instructions
- Generation of reports for GDPR information requests
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 “internship travel cost indicator”
- 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
Silke W.
Last position:
Head of Project Management and Consultancy at Systemtechnik GmbH
- Planning of projects and consulting services: professional, technical and commercial, focusing on transformation for public transport
- Identification and assessment of project risks with development of measures and recommendations for risk minimization and avoidance
- Evaluation of projects and reporting
- Execution of projects and delivery of consulting services on time, with required quality and within budget
- Project, hardware and consulting services forecasting
- Disciplinary and professional staff management
- Team development and coaching
- Resource planning across various locations
- Stakeholder management
- Client management with service and support
- Development of contingency plans
Discover over 15,000 top freelancers
Statistics of experts using Lisp
Aggregated from the professional profiles of matched freelancers.
Experience
28 years
Position duration
2.6 years
Positions per freelancer
17
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Professional Services, Banking and Finance
Certification focus areas
Project Management, Information Technology, Human Resources
Bachelor's degree or higher
80%
Master's degree or higher
60%
Doctorate
27%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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 Germany using Lisp
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Lisp 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 (100%)
- Professional Services (70%)
- Banking and Finance (55%)
- Automotive (50%)
- Retail (50%)
- Education (45%)
- Transportation (45%)
- Healthcare (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Lisp foundations
Lisp is a family of programming languages built around symbolic expressions, lists and code that can be treated as data. Its flexible syntax and macro systems make it well suited to language tools, rule engines, automation and software that must evolve quickly. Common Lisp, Clojure, Scheme and Emacs Lisp serve different parts of this ecosystem.
What Lisp builds
Lisp specialists create systems where expressive code and programmable behavior matter:
- Domain-specific languages and interpreters
- Rule engines, symbolic processing and knowledge systems
- Backend services and data workflows with Clojure or Common Lisp
- Emacs Lisp extensions and development automation
These systems often support research, finance, manufacturing, education and internal business operations. The right language choice depends on runtime needs, integration constraints and the skills already present in the team.
Ecosystem and tooling
A strong Lisp professional understands the selected dialect rather than treating Lisp as a single stack. Common Lisp work may involve SBCL, CLOS, ASDF and Quicklisp, while Clojure projects commonly use the JVM, Leiningen or deps.edn, Ring and core.async. Scheme and Racket bring their own libraries, language tools and teaching or research workflows.
When specialists help
Companies bring in freelance Lisp expertise when an existing system needs careful extension, when a small team is modernising legacy code, or when a prototype must become a reliable product. Specialists can also review macro-heavy code, improve deployment workflows, connect Lisp services to APIs and databases, or introduce testing without removing the language's flexibility. In Germany, remote collaboration is common, while some projects benefit from on-site workshops and German or English communication.
What quality looks like
Good Lisp professionals make abstractions easier to understand, not merely more clever. They explain macro expansion, data flow and runtime behavior clearly, write focused tests and document decisions that affect maintainability. They also know when to use idiomatic Lisp and when a simpler integration pattern is safer for the wider team.
Selecting the right fit
Assess specialists against the dialect, runtime and deliverables your project actually uses. Ask for examples involving production deployment, debugging, testing and integration with the surrounding stack. A useful technical discussion should cover concurrency, data representation, package management and how the professional would reduce risk while preserving the strengths of Lisp.
Frequently asked questions
Before you brief your next project: the most common questions about Lisp.
Lisp is used for language tooling, symbolic processing, rule engines, automation and applications that benefit from programmable abstractions. Common Lisp and Clojure also support production services, while Emacs Lisp is widely used to extend and automate Emacs.
Lisp offers powerful macros, a highly uniform code structure and strong support for creating specialised languages. Python and JavaScript usually provide broader hiring pools and more ready-made application libraries, so the best choice depends on the problem, existing architecture and team capability.
Lisp work often benefits from knowledge of databases, HTTP APIs, testing, Linux deployment and distributed systems. The relevant adjacent skills also depend on the dialect: Clojure may require JVM and Java interoperability, while Common Lisp projects may centre on ASDF, Quicklisp and native runtime concerns.
The right Lisp freelancer needs experience that matches the dialect, codebase age and delivery risk, rather than a generic amount of time in the field. For a new service, experience with testing and deployment may matter most; for legacy work, careful debugging and safe incremental change are essential.
Lisp projects are well suited to remote collaboration when the repository, development environment and architectural decisions are documented. Teams in Germany can work with specialists in English or German, with on-site sessions useful for discovery, pairing or handover when the system is complex.
Lisp dialect selection should follow the runtime, ecosystem and type of system being built. Common Lisp suits highly dynamic, mature systems; Clojure fits teams that want functional programming on the JVM; Scheme and Racket are strong options for language research, education and specialised tooling.
A capable Lisp professional can explain macro expansion, data structures, error handling and deployment in practical terms. Review how they test changes, document abstractions and integrate with non-Lisp systems, not just how compact or sophisticated their code appears.
A clear Lisp brief should name the dialect, runtime, repository state, deployment target and expected deliverables. Include integration points, testing requirements, technical constraints and whether the work involves new development, legacy maintenance, performance investigation or language-tool design.
The average hourly rate of freelancers in Germany who have used Lisp in their recent projects is 100 €, which corresponds to a daily rate of about 800 € based on an 8-hour working day.
Of the freelancers in Germany who have used Lisp in their recent projects, 80% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 27% hold a doctorate.
On average, freelancers in Germany who have used Lisp in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used Lisp in their recent projects are German (100%), English (100%), and French (30%).
The most common industries among freelancers in Germany who have used Lisp in their recent projects are Information Technology (100%), Professional Services (70%), and Banking and Finance (55%).
The most common business areas among freelancers in Germany who have used Lisp in their recent projects are Information Technology (100%), Product Development (85%), and Quality Assurance (65%).
Main locations of FRATCH Experts, who have recently used Lisp
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
