Mattermost Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Mattermost
Bernhard Schmitz
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.
Marleen Kertscher
Last position:
Atlassian Specialist E2E Processes at Energy, Water and Environment
- Atlassian & Business expert
- Lead of 1st, 2nd and 3rd level support, process mapping, process optimization, introduction of a project standard (global user management and documentation) and development of a collaboration platform to optimize teamwork, data management, reporting, ERP transformation
- The client is a sustainability-focused chemical park and offers its employees a full service for the Atlassian product suite. In addition, the adoption of the ERP software by employees, the improvement of data quality and internal exchange or collaboration should be promoted by sharing knowledge and best practices
- Process and standards development
- Project configuration and creation of technical concepts
- Workshops with employees
- Development of scalable solutions and processes and their optimization/automation
- Coordination with department process owners and management
- Process mapping and further development
- Data migration and data mining
- Lead as Scrum Master
- Dashboard for project management with project overview / development of reporting structures
Timm Heimburger
Last position:
Agile Coach & Project Manager at Telefónica Germany GmbH & Co OHG
- Coaching of project participants
- Project management for numerous content migration projects for Telefónica Germany's telecom brands
- Development and reporting of performance metrics
- Promoting collaboration between content managers and UX writers
- Running retrospectives and integrating agile elements
- Team size: 23 people
- Technical environment: Jira, Confluence, Miro, Teams, Adobe Experience Manager, Figma
Minh Doan
Last position:
Project Manager / Business Analyst / Application Manager at Finance and Insurance
Introducing 5 different process applications for various teams
Release planning: scope and time management
Resource/capacity planning
Conducting sprint planning / retrospectives
Increment planning (multiple sprints)
Preparing steering committee meetings / reporting to the executive board
Coordinating / aligning with external suppliers / deliveries
Multi-project resource planning
Aligning with the business unit and development team
Identifying best practices with IBM BAW
Cost control and planning for the project team and external service providers
Collecting KPIs using LogScale
Analyzing application errors with LogScale / queries
Defining user stories / aligning requirements with the business unit and development team
Testing and defect tracking
UI/UX design of the application
Preparing and facilitating brown-paper workshop
Test concept, test data, test organization, test execution
Recording team velocity / metrics
Executing tests
Scripts for automated testing
Organizing tests with the business unit and IT
Recording and prioritizing defects
Setting up and operating the application
Setting up application monitoring with LogScale dashboards
Checking health endpoints with PowerShell
Post mortem analysis
Setting up incident management
Setting up problem management
Analyzing errors using LogScale queries and dashboard
Pre-processing data for AI
Conducting evaluation with AI language models (Meta Llama 3.3 LLM and deepset Haystack) and RAG
Installing runtime environments for LLMs (large language model)
Evaluating various LLMs
Installing RAG (retrieval augmented generation) and integrating with LLM
Extracting unstructured data with LLM and RAG
Project based on IBM BAW (Business Automation Workflow), WebSphere Liberty, Domea, d.3, REST, LogScale (formerly Humio), Swagger, PowerShell, JIRA, Confluence, Lucom Interaction Platform (LIP), Mattermost, Jabber
Matthias Schneider
Last position:
AI-assisted Web Development & SaaS Founder at Self-employed
- Full focus on AI-augmented web development
- Building and running three proprietary AI-native SaaS products (BrainButler, PageUpgrade, termin365)
- Developing a self-hosted business stack for digital sovereignty
- Daily workflow with Claude as engineering partner and Anthropic/OpenAI APIs for product features
- Using RAG systems with custom vector databases and prompt engineering for complex multi-step pipelines
- Tech stack: Python/FastAPI (backend), React/TypeScript (frontend), WordPress plugin architectures (PHP), multi-tenant systems with per-user encryption
Rolf Gardewischke
Last position:
Developer & Designer at Security authorities
- Migration of a case processing system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development into 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 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
Janus Thomys
Last position:
Senior Scrum Master, Agile Coach at DMK, Bremen, Germany
- Optimizing agile work using Scrum as the chosen framework
- Coaching teams and individual members to increase collaboration efficiency, improve team effectiveness and performance, and foster a culture of continuous improvement
- Promoting and supporting the use of agile methods with Scrum, including upholding Scrum values and team self-organization
- Preboarding the internal Scrum Master
Andreas Kosubek
Last position:
Backend Developer at Univention GmbH
- Developed a SCIM-compliant Python interface to connect external systems
- Expanded and enhanced UCS modules in Python
- Extended and newly developed Helm charts for container orchestration in Kubernetes
- Maintained and further developed CI/CD pipelines in GitLab
- Implemented automated tests with Pytest and Playwright
'Nubus' is based on a microservice architecture, relies on open source technologies, and runs in Docker containers.
UCS is an IAM complete solution based on Debian, used as an alternative to Microsoft's Active Directory. The work was characterized by the close integration of infrastructure and application logic.
Daniel Winzen
Last position:
Web Developer and Linux System Administrator at Freelancer
- Consultation on setting up a web server with Apache2 and PHP FPM and an email server with Postfix and Dovecot for Learn4good Ltd.
- Programmed website under-construction.bermudafunk.org in collaboration with a designer and client for bermuda.funk Freies Radio Rhein-Neckar e.V.
- Consultation and network setup on-site including switches, routers, Wi-Fi, network monitoring, firewalls, and installation of sFirm banking software for The Swiss Quality Consulting GmbH
- Consultation on website management and development, email migration from Outlook to cPanel, image optimization, and setting up Square payments for The JABA Group Ltd.
- MS365 consultation, email setup, and document synchronization for PK reno GmbH
- Development and integration of WooCommerce plugins, B2B shop setup, and custom shipping label export for Nurso GmbH
- Minor changes implementation for existing Kirby system for Julia Rautenhaus
- Analysis and fixing of WordPress website after broken updates for Alina Frey
- Linux server hardening, updates, and throughput optimization for 3proxy servers for Lietparkas UAB
- Malware removal from hacked WordPress website for Timo Horn
- Cold email outreach system setup with Postfix and Dovecot and script development for Aman Ketebo
- Customized Docker container creation based on AlmaLinux with ImageMagick 7 and consultation on Docker installation for Henry Hook
- Plesk hosting environment management, code fixes, external supplier integration, and content support for First Class Corporation
- Shopify theme customization, feature development, and payment integration consultation for Youro GmbH
- Intel camera support on Ubuntu after upgrade for Making stories with a lesson
- NginX configuration support on Windows Servers for a NodeJS application for ARMBRUSTER empiric it
- Competitor email verification mechanism analysis for Casey Monaghan
- Plugin development and API connector to Inswitch for freelance website payments for Mediaquotes
- Private XMPP server setup on Raspberry Pi for Antonio Codespoti
- WordPress website recovery after broken plugin update for A & R Tennis
- Microsoft account and Office/Outlook migration support for Prof. Dr. Hanns-Ferdinand Müller
- Customization and performance optimization of client websites for sk.design
- VPN configuration and hacked server cleanup for Xisio Informationssysteme GmbH
- PeerTube server setup and maintenance for Lupin Vondosky
- Lightweight WordPress booking solution programming tailored to client needs for AP Online Marketing
- Code refactoring, bug fixing, and business/technical consultation for RentAfrika
- SellYourSaas setup and deployment infrastructure configuration for I-Motion SARL
- Server, email, GitLab, project management, password management software, and VPNs setup and maintenance for Markus Sattler
- Custom development for over 10 WordPress projects for TOGEMAXX media & webdesign
- WooCommerce shop setup and FTP supplier product import development for SERVOMED GmbH
- Open-source contributions to Whonix components, iptables to nftables migration, shutdown inhibition investigation, and IPv6 support addition for ENCRYPTED SUPPORT LP
- Custom feature development, performance optimization, update management, email delivery support, plugin bug fixes, and translations for KU Europe GmbH
- Custom plugin/theme development, server infrastructure management, support for 100+ WordPress websites, API connector development, deployment script setup, VPN configuration, DNS, email, and web hosting support for giftGRÜN GmbH
- Server setup, web and email hosting migration, and website maintenance and development for Eisbaden.de
- Custom WordPress and Shopify development for EcomPlus GmbH
- Hacked website recovery and hosting migration for Be Brave gUG
- Finalization of development tasks left incomplete by another developer for Medicare Consulting GmbH
- Recovery of unbootable hacked server for SK-Software, Entwicklung & Beratung
Hobby projects:
- Development and running of a web chat application
- Development and running of an email service
- Development and running of a darknet link list
- Development and running of a darknet web hosting platform
- Code contributions to open source projects such as LMMS, Audacity, and Ubuntu
Christoph Kleine
Last position:
Business Case: Customer Operations Upsell Expansion at * confidential
- Establishment of as-is baseline performance and KPI framework
- Extrapolation of baseline-potential in relation to product, demand and organizational structure for t + 3 years into the future
- Development of measure-based improvements forecast
- Finalization of financial business modelling by including unit structure changes, commission scheme development and overhead costs
- Stack: Microsoft Excel
Discover over 15,000 top freelancers
Statistics of experts using Mattermost
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
1.9 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Government and Administration
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
71%
Master's degree or higher
43%
Doctorate
14%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
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 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 Mattermost
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
Team messaging
Mattermost is an open-source collaboration system for private team chat, incident coordination, and internal communication. It is often used where control over data, hosting, and access matters more than a public SaaS chat tool. Strong experts shape channels, permissions, retention, and message flows so the system fits the company’s work.
Common use cases
- Secure internal messaging for operations and support teams
- Incident response channels with clear escalation paths
- Private communication for regulated environments
- Cross-team updates with searchable history
- Self-hosted collaboration for sensitive information
Integrations and stack
Mattermost rarely works alone. Experts connect it with SSO, LDAP, webhooks, email, ticketing systems, alerting tools, and DevOps workflows so messages become part of daily work. They also handle plugins, bots, slash commands, and API-based automation when teams need custom behavior.
What strong specialists do
Good Mattermost professionals understand both administration and workflow design. They plan roles, channels, security settings, backups, upgrade paths, and message lifecycle rules, then test the result in real use. In Germany, companies often need specialists who can work with internal IT, security, and business teams in English or German.
When companies bring them in
Companies usually look for freelance Mattermost expertise when they need a clean rollout, a migration, or a fix for a messy setup. That can include moving from Slack or another chat system, tightening access control, or connecting Mattermost to incident and support processes. The best experts can join an existing environment without slowing down daily communication.
Signs you need help
- Channel structure is unclear or hard to use
- SSO or directory integration is not stable
- Alerts, bots, or webhooks do not behave as expected
- Self-hosted deployment needs tuning or hardening
- Upgrades, backups, or retention rules need a safer setup
Frequently asked questions
Not sure where to start with Mattermost? These answers cover the essentials.
Mattermost is used for private team communication, incident coordination, and internal updates. Companies choose it when they want more control over hosting, access, and message retention than they get from a public chat service. It also fits support, operations, and security-heavy workflows.
Mattermost is usually chosen for control, self-hosting, and tighter data handling. Slack and Microsoft Teams are often easier for broad office use, but Mattermost is stronger when a company wants its own infrastructure or a more customizable workflow. The right choice depends on security needs, integrations, and how much control the team wants.
A strong Mattermost specialist usually knows SSO, LDAP, Linux, Docker, Kubernetes, and API integration work. Webhooks, bot setup, email delivery, and basic networking are also common. For larger environments, backup design and upgrade planning matter too.
A Mattermost project needs outside help when the rollout must be fast, the setup is complex, or the internal team lacks time for tuning and integration work. That is common during migrations, security reviews, or when chat must connect to incident and support tooling. Freelance experts are also useful for short-term rescue work on broken setups.
Most Mattermost work can be done remotely, including configuration, integration, and rollout planning. On-site time helps when a company wants workshop-style alignment with internal IT, security, or operations teams in Germany. Many projects use a mixed setup with remote delivery and a few focused in-person sessions.
Yes, Mattermost is often used in environments that care about control, access policy, and internal hosting. It can support stricter operational requirements when it is configured carefully and connected to the right identity systems. The important part is not just the product, but the way it is deployed and governed.
Look for someone who can explain structure, security, and integrations clearly, not just basic chat setup. A strong Mattermost freelancer has experience with permissions, deployment, upgrades, and message automation, and can show how they handle backups and recovery. Good communication with internal teams is a major sign of quality.
A Mattermost assignment often involves more than the app itself. Freelancers should be comfortable with deployment environments, identity integration, workflow design, and support for users after go-live. It also helps to understand whether the company wants a simple team chat setup or a broader collaboration system tied to other tools.
The average hourly rate of freelancers in Germany who have used Mattermost in their recent projects is 102 €, which corresponds to a daily rate of about 818 € based on an 8-hour working day.
Of the freelancers in Germany who have used Mattermost in their recent projects, 71% hold at least a Bachelor's degree, 43% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Germany who have used Mattermost in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used Mattermost in their recent projects are German (100%), English (100%), and French (20%).
The most common industries among freelancers in Germany who have used Mattermost in their recent projects are Information Technology (100%), Manufacturing (60%), and Government and Administration (60%).
The most common business areas among freelancers in Germany who have used Mattermost in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (80%).
Main locations of FRATCH Experts, who have recently used Mattermost
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.
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We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
