Ubuntu Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used Ubuntu
Alexander Zhirov
Last position:
Senior Data Solutions Engineer at VMware Inc.
- Architected and deployed private cloud data platform on VMware vSphere, integrating Greenplum MPP, Apache Kafka, Kubernetes, and Apache Solr, and developed real-time ingestion pipelines with Kafka Connect and Schema Registry.
- Led Oracle Exadata to Greenplum migration, rearchitected data models, optimized storage, implemented RabbitMQ with Debezium for CDC, and deployed VectorDB for Generative AI.
- Designed and executed multi-cloud migration PoC across AWS, Azure, and GCP, defined KPIs for throughput, latency, and cost efficiency, executed bulk data transfers, validated analytics and streaming workloads, and delivered full-scale architecture recommendations.
- Assessed legacy on-premises infrastructure and designed modern cloud-native data platforms using Greenplum and containerized microservices, advising on scalability, disaster recovery, and high-availability.
Rüdiger Schulz
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Victor Omojoye
Last position:
AI Training Engineer at Confidential AI Research Client
- Codebase Evaluation & Problem Design: Designed and stress-tested complex software engineering problems against large open-source Python codebases (including pandas), requiring deep context acquisition and architectural understanding to produce well-scoped, realistic problem statements aligned to strict correctness guidelines.
- Agent Failure Analysis: Assessed LLM coding agent solutions for correctness and completeness, identifying meaningful failures across edge case handling, dtype behaviour, and multi-column NaN propagation logic; documented findings with precision for downstream evaluation use.
- Programmatic Test Suite Development: Authored comprehensive pytest suites to programmatically verify agent-generated solutions against defined requirements, with deliberate coverage of boundary conditions and failure modes not caught by naive implementations.
- Containerised Environment Engineering: Built and debugged Docker environments for reproducible agent execution, including git-based repository provisioning, dependency pinning with npm ci, and multi-stage Dockerfile authoring across Linux-based containers.
Ottavio Braun
Last position:
Semantic Test Framework for LLMs
André Görst
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.
Florian Ruhnau
Last position:
Network Administrator at Smartconnect Berlin
- Configuration and management of routers and switches (e.g., Cisco, HP)
- Design and expansion of networks in corporate environments
- WLAN site surveys and optimization (e.g., with Ekahau, NetSpot)
- Implementation of security policies and access controls
Thomas Merkel
Last position:
Lead Cloud Infrastructure Engineer at TrackCode GmbH
- Developing GitHub Actions/pipelines for automatic application deployment
- Supporting the provisioning of Helm charts for the CI/CD infrastructure
- Rebuilding and migrating a Kubernetes cluster using Rancher
- Creating IaC with Terraform for Kubernetes and additional services (monitoring, databases)
- Deploying a highly available Percona Galera cluster (MySQL)
- Implementing a centralized monitoring and logging infrastructure
Mostafa Solaiman
Last position:
Embedded Firmware Engineer at Esko-Graphics Imaging GmbH
- FPGA code conversion from AHDL to Verilog and SystemVerilog (Altera Cyclone)
- IDE: Intel Quartus Prime (Altera)
- Code simulation: QuestaSim
- Timing analysis
Christian Richter
Last position:
Freelance Data Engineer at Ingenieurbüro Christian Richter – Data, Cloud & Container
- Contributed to over 20 successful projects
Pawel Nabe
Last position:
Subject Mater Expert Linux at TCS Alliance Healthcare
- Updating/upgrading Linux servers to new versions
- Installing Trend Micro on Linux servers
- Creating, presenting and maintaining technical documents
- Refactoring tools
- Platforms: SUSE Linux Enterprise Server (SLES) 10, 11, CentOS, RedHat, Windows 10, PowerShell, Bash, Perl, Trend Micro AV, PuTTY, SSH, VMware
- Project language: English
Ilya Isakov
Last position:
Data/Platform/Software Engineer/SRE at IT Consulting
- Designed a platform based on IoT, Azure, Kubernetes, and Postgres for an existing application
- Migrated from "click-ops" and UI-defined CI/CD pipelines to infrastructure-as-code with Terraform, enabling complete redeployment of multiple environments
- Technologies: Terraform, OpenTofu, Azure, Azure DevOps, Kafka, IoT, Kubernetes, Grafana, Prometheus, GitOps, relational databases
Syed Ahmad
Last position:
Senior Web Developer at TU Dresden
- Contributed significantly to enhancing the university’s digital presence through modern WordPress development, performance optimization, and scalable deployment strategies.
- Designed and maintained robust CI/CD pipelines, streamlining deployments across local, staging, and production environments.
- Executed A/B tests on key landing pages, resulting in measurable improvements in user engagement and campaign performance.
- Integrated Google Tag Manager, Google Analytics, and custom tracking solutions to drive data-informed design and content decisions.
- Leveraged AI tools like ChatGPT through advanced prompt engineering to streamline development tasks, debug complex issues, and automate content optimization for SEO and documentation.
Mark Wernsdorfer
Last position:
Independent IT/AI Consultant at Freelance
- IT consulting, coaching, and implementation with a focus on AI
Discover over 15,000 top freelancers
Statistics of experts using Ubuntu
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
3 years
Positions per freelancer
16 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Education, Media and Entertainment
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
70% (Germany: 81%)
Master's degree or higher
30% (Germany: 48%)
Doctorate
10% (Germany: 9%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 96%)
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 Berlin 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 Berlin using Ubuntu
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
Ubuntu in practice
Ubuntu is a Linux distribution used for servers, cloud workloads, developer workstations, and internal tools. It is common when teams need a stable base for web services, container hosts, CI runners, or secure desktop environments.
What experts handle
- Install and harden Ubuntu Server or Ubuntu Desktop
- Set up APT, Snap, permissions, and user access
- Tune networking, storage, and system services
- Support upgrades, patching, and release transitions
- Troubleshoot logs, boot issues, and package conflicts
Ecosystem and tooling
Strong Ubuntu specialists work comfortably with Canonical tooling, systemd, cloud-init, SSH, UFW, and common package management flows. They also understand how Ubuntu fits with Docker, Kubernetes nodes, virtual machines, and cloud images on AWS, Azure, or GCP.
When companies bring in help
Companies usually look for freelance Ubuntu expertise when a server fleet needs cleanup, a deployment is failing, or a new environment must be built quickly. In Berlin, this often supports product teams, agencies, and infrastructure-heavy firms that need clear documentation and smooth handover.
What strong specialists do
A good Ubuntu professional keeps systems predictable, not just working. They document changes, explain trade-offs, and know when to use LTS releases, backports, or upstream packages to keep services stable.
Signs you need Ubuntu expertise
- Servers need faster patching and better baseline security
- A desktop or laptop fleet must stay consistent
- Containers or cloud instances need a clean Linux foundation
- Legacy services must be migrated or recovered
- Remote teams need reliable setup and support across time zones
Frequently asked questions
Before you brief your next project: the most common questions about Ubuntu.
Ubuntu is used as a Linux base for servers, cloud instances, desktop workstations, and automation tasks. Companies choose it for web apps, internal services, CI pipelines, container hosts, and secure remote access. It is also common in teams that want a familiar Debian-based environment with regular release paths.
Ubuntu is often chosen when teams want broad package availability, clear release cycles, and strong cloud support. Compared with Debian, it usually feels more ready for day-to-day operations; compared with CentOS-style systems, it is often simpler for current server and container work. The right choice depends on support needs, package policy, and how much standardization the team wants.
A strong Ubuntu specialist usually knows shell scripting, SSH, networking basics, service management, and package handling. For infrastructure work, knowledge of Docker, cloud-init, VM administration, and logging tools is very useful. Security basics such as firewall rules, user permissions, and patch workflows matter too.
A small Ubuntu task may only need someone who can follow an existing setup and resolve a specific issue. Larger work, such as migration, hardening, or fleet standardization, needs a professional who can plan changes and reduce downtime. The more the project touches production or many systems, the more valuable deep Linux experience becomes.
Most Ubuntu work can be done remotely because servers, cloud instances, and terminal-based administration do not require physical presence. On-site help in Berlin can still be useful for device rollout, office network issues, or mixed desktop environments. Many companies use a hybrid setup when there is both infrastructure and workplace support.
Look for Ubuntu professionals who explain changes clearly, keep systems documented, and avoid unnecessary custom tweaks. Good signs include careful upgrade planning, clean service definitions, and a practical approach to recovery and security. They should be able to tell you why they chose a package, release, or configuration path.
Ubuntu Desktop expertise focuses on workstation setup, device support, user environments, and everyday productivity. Ubuntu Server expertise is more about remote administration, services, networking, storage, and secure operations. Many specialists know both, but the best fit depends on whether your project is endpoint-heavy or infrastructure-heavy.
Not every Ubuntu project needs a specialist who focuses on Canonical support or only on LTS releases. For routine administration, broad Linux experience may be enough. For long-lived services, upgrade planning, or standardized operations, LTS knowledge is especially valuable because it shapes maintenance and support decisions.
The average hourly rate of freelancers in Berlin, Germany who have used Ubuntu in their recent projects is 100 €, which corresponds to a daily rate of about 797 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Ubuntu in their recent projects, 70% hold at least a Bachelor's degree, 30% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Ubuntu in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Berlin, Germany who have used Ubuntu in their recent projects are German (100%), English (100%), and French (15%).
The most common industries among freelancers in Berlin, Germany who have used Ubuntu in their recent projects are Information Technology (100%), Education (46%), and Media and Entertainment (46%).
The most common business areas among freelancers in Berlin, Germany who have used Ubuntu in their recent projects are Information Technology (100%), Product Development (77%), and Project Management (62%).
Main locations of FRATCH Experts, who have recently used Ubuntu
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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