Docker Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used Docker
Ashwin P.
Last position:
Freelance Data Scientist at Mercor Intelligence
- Architected and deployed end-to-end machine learning pipelines across classification and prediction datasets, ensuring robustness and reproducibility through MLOps best practices.
- Contributed directly to LLM model output accuracy improvement by designing and engineering specialised prompts grounded in end-to-end ML and SciML pipeline logic.
- Developed training data for large language models by formulating coding problems that models could not resolve and subsequently documenting the correct solutions.
Yasin Y.
Last position:
Enterprise Architect at Bundesagentur für Arbeit
Task:
- Design and build a proof of concept (PoC) for a future-proof virtualization platform, taking secure system architectures into account
- Assess the current state of existing infrastructures and develop selection and evaluation criteria for the right OS virtualization platform
- Carry out the requirements analysis and then create and prioritize tickets in the ticket system
- Complete and continuously update a tool evaluation matrix based on PoC results
- Support team knowledge building through clear documentation of the approach and results in Confluence
- Enterprise analysis of existing hardware (creating different BoMs)
Technologies: Vmware, Vmware Aria Operations, Osism, Canonical OpenStack, FishOs, Linux, Terraform, Ansible, Confluence, Alma
Nemanja M.
Last position:
AI Engineer / Senior Backend Engineer at Intelycx
Manufacturing intelligence platform with enterprise workflows, RAG, real-time AI assistant features, and multi-repository backend architecture.
- Built and extended production AI/backend services with Django, DRF, FastAPI, GraphQL, Celery, PostgreSQL, MySQL, Redis, and WebSockets across a modular multi-repository platform.
- Contributed to ARIS V2, a real-time manufacturing AI assistant using LangChain, LangGraph, MCP tool orchestration, planning/execution flows, OpenAI, AWS Bedrock, Qdrant, and Elasticsearch/OpenSearch-backed retrieval.
- Supported rollout expansion from ARIS V1 in 4 of 17 client production plants to ARIS V2 currently active in 13 of 17 plants, increasing real-world deployment coverage to more than 50% of the client footprint.
- Worked on document-grounded RAG functionality including ingestion, OCR, chunking, embeddings, indexing, retrieval, reranking, and grounded answer generation for industrial workflows.
Stack: Python, Django, DRF, FastAPI, LangChain, LangGraph, GraphQL, Celery, WebSockets, OpenAI, AWS Bedrock, Qdrant, Elasticsearch/OpenSearch, PostgreSQL, MySQL, Redis, Docker.
Laurin H.
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Kersten L.
Last position:
Lead Architect / Lead Developer at Bettles: Sports Betting Platform
- Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
- Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
- “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).
Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest
Mojtaba P.
Last position:
AI Voice / RAG / Automation Engineer & Technical Project Manager at Technolohit
- Technical design, prioritization, and hands-on implementation of AI automation, conversational AI, voice AI, and private AI solutions.
- Translation of business requirements into system architecture, conversation/workflow logic, APIs, data flows, and production-ready AI workflows.
- Development of backend and integration components with Python/FastAPI, PostgreSQL/pgvector, Redis, REST APIs, webhooks, and background jobs.
- Design and implementation of RAG architectures with local/private LLMs, embeddings, document processing, semantic search, and controlled access to company knowledge.
- Prompt engineering for LLM and voice/conversational AI applications; iterative optimization based on real processes, system responses, and quality requirements.
- Practical work with ElevenLabs and its APIs in a voice AI project, as well as technical evaluation and integration of voice AI components.
- Deployment and operation of Docker-based systems on Linux with Nginx, CI/CD, monitoring/logging, backup/restore, and reproducible deployment processes.
Volker D.
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- Developed a new web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
Thomas G.
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue Monitoring
- Built a central monitoring solution to monitor the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for the structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job statuses in real time
- Implemented an automated alerting workflow with Power Automate – an email notification is triggered immediately when a job fails
- Ensured transparency into the status of productive background processes during ongoing operations
Result: Full transparency into failed Business Central jobs · Significant reduction in response time through automated email alerting · Stable foundation for the proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Tarek E.
Last position:
Associate GRC at Egerer Consulting
Carve-out project: Creation of certification strategy, implementation and requirements plans across several standards — ISO/IEC 27001, ISO 9001, ISO 14001, ISO 22301, ISO/IEC 20000-1, BSI IT-Grundschutz and BSI TR- RESISCAN
- Cross-standard assessment of the current state and risk evaluation
- Coordination with stakeholders across departments: ISB, management, certification bodies, legal and data protection
- Consulting in the areas of information security, GRC and IT auditing
Mesut Y.
Last position:
Solution Architect Computer Vision for Stores at Schwarz IT (Lidl/Kaufland)
- Expansion and support of the product portfolio for video analytics and Computer Vision
- Requirements gathering and requirements engineering
- Consulting, project management, and coordination of pilots and the international rollout
- Tools: IP-based camera and video systems, Citrix Administration, OneNote, Microsoft Teams, Node-Red, Office 365, Age Verification, Qognify Umbrella, Thingsboard, Xovis 3D Sensors, AXIS Cameras, GK POS software, Atlassian JIRA
Adnan U.
Last position:
Independent AI & Automation Projects
- Development of an automated job-scouting workflow for the aggregation and LLM-based evaluation of job postings from RSS feeds and APIs.
- Development of a Telegram bot for voice and text messages, featuring LLM-supported processing, summarization, and structured JSON output.
- Implementation of a personal task-planning assistant using n8n, OpenRouter, and Supabase for automated daily and knowledge organization.
- Development of LLM chatbots for structured knowledge retrieval utilizing prompt constraints, guardrails, and forced output formats.
Alexander K.
Last position:
Company AI assessment at ATRON
Manuel K.
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Arkadius S.
Last position:
AWS Pricing Platform / API & Integration Architecture at Porsche Digital
Development and evolutionary further development of a highly available, cloud-native microservice and integration architecture for dealer and retail processes in the Porsche Car Configurator.
Responsibilities
- Development of Java-/Kotlin-based backend, API, and integration components (Spring Boot)
- Integration of internal and external systems via REST/OpenAPI, GraphQL, Apache Kafka, and AWS SQS (synchronous and asynchronous)
- Implementation of stable, high-performance communication and data flows in a cloud-native platform architecture
- Processing of structured data formats (JSON, Protobuf, GraphQL schemas) based on existing API patterns
- Performance optimization of distributed microservices with reduced response times and higher operational stability
- Technical tests (unit, integration, and API tests) as well as error analysis in production-like environments
- AWS Infrastructure as Code with Terraform and AWS CDK
- CI/CD automation (build, test, and deployment pipelines) with GitHub Actions
- AI-supported feature implementation (GitHub Copilot Agent)
Label: Kotlin, Java 25, Spring Boot 4, Protobuf, TypeScript, AWS, Terraform, CDK, Apache Kafka, AWS SQS, REST/OpenAPI, GraphQL, JSON, PostgreSQL, Docker, GitHub Actions, Maven, Gradle, JUnit, Mockito, Testcontainers
Patrik G.
Last position:
Technical Lead Conversational AI at CANCOM
- Technical lead of a team developing agentic chatbot solutions (React, TypeScript, Python, FastAPI)
- Architecture design for multi-LLM dialog systems - focus on maintainability, UX, and autonomous execution
- Stakeholder alignment, CI/CD processes, and AI integration at enterprise level
Discover over 15,000 top freelancers
Statistics of experts using Docker
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 17 years)
Position duration
1.8 years (Germany: 5.1 years)
Positions per freelancer
14 (Germany: 11)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Education, Healthcare
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
88% (Germany: 91%)
Master's degree or higher
47% (Germany: 59%)
Doctorate
6% (Germany: 8%)
Certifications per freelancer
2
Most common languages
German, English, Arabic
Speak two or more languages
100% (Germany: 97%)
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 Dortmund 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.
Discover detailed Docker rate benchmarks:
Explore rate insightsAverage rates of experts in Dortmund using Docker
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.
Docker 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 (95%)
- Education (55%)
- Healthcare (55%)
- Professional Services (50%)
- Manufacturing (41%)
- Government and Administration (36%)
- Automotive (32%)
- Retail (32%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Docker does
Docker packages an application and its dependencies into portable containers. This keeps development, testing and production environments consistent without requiring a complete virtual machine for every service. Companies use it to run web applications, APIs, databases and background processes in a controlled way.
Where it is used
Docker supports modern delivery workflows across software teams and operational environments.
- Containerize services for local development and testing
- Run microservices with repeatable configurations
- Package APIs, workers and data-processing jobs
- Create isolated environments for integration tests
- Prepare workloads for cloud or on-premises deployment
Ecosystem and tooling
Strong Docker specialists work with Dockerfiles, images, registries, volumes, networks and container security. Docker Compose is central for coordinating multi-container applications locally and in smaller environments. Related work often includes Kubernetes, Helm, Linux, GitHub Actions, GitLab CI/CD and cloud container services.
When companies need help
Freelance expertise is useful when an existing application is difficult to run consistently or a delivery process depends on manual setup. Specialists can improve image builds, reduce configuration drift, establish development environments and connect container workflows to automated releases. In Dortmund, this can support both on-site collaboration and remote work with distributed teams.
- Moving legacy services into containers
- Reworking slow or unreliable image builds
- Setting up secure private registries
- Debugging networking, storage or permissions
What strong specialists deliver
A capable professional treats containers as part of the complete system, not as isolated packaging files. They use small, maintainable images, clear environment configuration, dependable health checks and appropriate resource limits. They also document how services are built, started, monitored and updated.
How quality is assessed
Review how the specialist handles secrets, image provenance, dependency updates and least-privilege access. Practical quality is visible in reproducible builds, useful logs, sensible Compose configurations and deployment documentation. The right expert can explain trade-offs between Docker Compose, Kubernetes and direct host deployment in clear terms.
Frequently asked questions
Before you brief your next project: the most common questions about Docker.
Docker is used to package applications and their dependencies into containers that run consistently across laptops, test environments and production systems. Companies use it for APIs, web services, databases, workers, integration tests and repeatable deployment workflows.
Docker containers share the host operating system kernel, while virtual machines include a complete guest operating system. Containers usually start faster and use fewer resources, but virtual machines provide stronger isolation and can run different operating systems on the same host.
Docker Compose is often a practical choice for local development, testing and smaller multi-container environments. Kubernetes is better suited to large distributed deployments that need advanced scheduling, scaling, service discovery and cluster operations.
Docker work benefits from strong Linux, networking, Git and CI/CD knowledge. Depending on the project, useful adjacent skills include Kubernetes, cloud container services, infrastructure as code, observability, registry management and application security.
Docker itself can be introduced quickly, but production work requires broader judgment. Match the specialist to the scope: a simple development setup needs different depth than a regulated deployment with private registries, secret management, monitoring and automated rollback.
Docker projects are often well suited to remote collaboration because configuration, Dockerfiles and pipelines can be reviewed in shared repositories. On-site sessions in Dortmund can still help with legacy systems, network constraints, team workshops or releases that require close coordination.
Docker specialists may work with teams that expect clear documentation, dependable handovers and careful access control. German or English communication can both be suitable, but the freelancer should clarify language expectations, hosting arrangements and operational responsibilities before starting.
Docker quality is shown through reproducible builds, small and maintainable images, secure secrets handling and clear service configuration. Ask the specialist to explain networking, storage, health checks, image updates and how the proposed setup would be operated after delivery.
The average hourly rate of freelancers in Dortmund, Germany who have used Docker in their recent projects is 88 €, which corresponds to a daily rate of about 704 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used Docker in their recent projects, 88% hold at least a Bachelor's degree, 47% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Dortmund, Germany who have used Docker in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Dortmund, Germany who have used Docker in their recent projects are German (100%), English (100%), and Arabic (9%).
The most common industries among freelancers in Dortmund, Germany who have used Docker in their recent projects are Information Technology (95%), Education (55%), and Healthcare (55%).
The most common business areas among freelancers in Dortmund, Germany who have used Docker in their recent projects are Information Technology (95%), Product Development (91%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used Docker
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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FRATCH CEO
