RabbitMQ Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used RabbitMQ
Daniel Sedlack
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Marc Matt
Last position:
Freelance Data Specialist at BrightlySoftware – A Siemens Company
- Migration of customer data from a private cloud to AWS
- Optimizing data transformation jobs and migration from Talend to AWS Glue
- Automation of all migration steps
- Used technologies: AWS, Python, Lambda, CloudFormation, SQLServer, AWS Stepfunctions, Glue, PySpark
Dhruti Chandarana
Last position:
Freelancer Developer
Expomate platform
- Built a cross-platform exhibitor inquiry management app using React Native and RoR 8, leveraging RESTful APIs, Solid Queue for background job processing, and Devise for authentication on the backend, with Redux and AsyncStorage for state management and local data persistence.
TaskINT platform
- Developed a unified platform for task execution, time tracking, invoicing, client relations, and staff management using RoR 8 and React.js, utilising RESTful APIs, Sidekiq for background jobs, and Zustand for state management and WebSockets for real-time data sync, with 300+ users onboarded across 5 clients.
Andreas Schmückert
Last position:
Solution Architect, Business Analyst, Consultant, Full-Stack Lead-Developer at 50Hertz Transmission GmbH
- Solution for micro-service and frontend solution for the electric grid
- Leading of development teams
- Technologies: React-Native, TypeScript, Kotlin, AWS, Infrastructure As Code, Serverless Architecture, React, NoSQL, GraphQL, Angular, Playwright, Python, ML(Ops), Kubernetes, Docker
Walid Haidari
Last position:
Senior Tester within the IT & Digital Roadmap at VTG-Aktiengesellschaft
- Consulting, planning, and adapting (extension and rebuild) of the existing test framework to cover necessary test cases as part of quality assurance for initiative implementations
- Executing cross-team manual test cases during regular sprint cycles
- Setting up test automation
- Advising front-end and back-end development on quality assurance aspects
- Building a framework for end-to-end test cases
- Performing software quality assurance across various projects within a program
- Supporting the creation of test cases
- Coordinating within the team with all relevant stakeholders
Oliver Langer
Last position:
Developer, Architect at libri GmbH
- Role: Developer, Architect
- Technologies: java, typescript, golang, spring (boot, web, security, data), Angular, AWS (OpenSearch, Aurora, SNS/SQS, CloudWatch, EC2, IAM), Kubernetes, Terraform, Helm, OAuth, Keycloak, CI/CD, gradlew, Liquibase, Test Driven Development, shell scripting
Bastian Isensee
Last position:
Senior Backend Engineer Go & Technical Consultant at Regulated trading system for digital assets
- Technical consulting to meet regulatory MiCA requirements for a digital trading platform
- Design and development of backend components and APIs to comply with transparency and auditability requirements
- Optimization of core functions in order execution and market data delivery with a focus on performance and reliability under high load
- Conducting job interviews and structured onboarding of new developers
- Successful and timely implementation of the regulatory MiCA requirements, ensuring uninterrupted operations
- Reduction of user issues and common support requests by fixing complex backend problems
- Strengthening the development team through effective onboarding, mentoring, and knowledge sharing
Florian Fittkau
Last position:
Solution Architect with Developer Focus at SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: Kotlin, AWS (SQS, S3, ElastiCache, Aurora), React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, GitHub Actions, Jira/Confluence, arc42
Andreas Steffan
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
Jan Gleske
Last position:
Interim Senior Application Owner for Pricing, Forecasting and Prognosis Solutions at International energy trading company
- Collaborated closely with key users, business analysts and product owners to understand requirements, define priorities and derive solutions
- Managed external service providers
- Oversaw and executed updates, patches and release management
- Handled incident, problem and change management according to ITIL
- Analyzed and evaluated incidents and changes for operational impact and business processes
- Monitored systems and interfaces, ensuring IT security and compliance requirements
- Supported IT planning, cost monitoring and contract management
- Created and executed tests for maintenance and projects
- Assisted in designing technical solutions and contributed to projects such as IT landscape harmonization and modernization
- Independently led operations-related projects and continuously optimized processes
- Achieved significant cost savings through supplier negotiations, rightsizing and decommissioning of legacy systems
- Technologies: Azure DevOps, ServiceNow, icinga, metalogic mPE/mPX, FIS, inubit, Oracle, LeanIX, One Identity, Confluence, Copilot, XML, JSON, SQL, RabbitMQ, Python, BPMN, OKR, ITIL, Kanban
Maciej Wilanowski
Last position:
Senior Software Engineer at EQS Group GmbH
- Further development of the compliance products
- Role responsibility as a Senior Software Engineer
- Team size: 5 - 15 people
- Tools: TypeScript, Angular 18, Node.js, Nest.js, AWS, Kubernetes/Helm Charts/Docker, GitLab (CD/CI), Elasticsearch, MySQL, OpenAI, Java, RabbitMQ
Johannes Erchen
Last position:
Libri GmbH
- Operation and further development of the inventory system for booksellers (Quimus). It is an in-house development by Libri that is sold to customers as Software as a Service. The software is developed in an agile way by two developer teams (about 5 developers each). The software consists of around 25 Java microservices that mainly communicate via messaging and share a common Angular frontend. The application runs on Kubernetes in AWS.
- Technologies used: Java 17 & 21, Spring Boot 2 & 3, Hibernate, MySQL, Spring Cloud AWS, Lombok, AWS SQS, AWS SNS, AWS RDS, AWS S3, DynamoDB, Kubernetes, Docker, OpenSearch, Hibernate Search, Liquibase, Gradle, Terraform, Helm, GitLab CI, Keycloak OAuth2, TypeScript, Angular
- My focus until December 2023: Connecting additional POS systems to the inventory system. Connecting the data warehouse for report display. Extending existing features (goods receipts, invoicing, item management, ...). Operations and DevOps tasks.
- Focus from January 2024: Extracting the product search from the inventory system into a global service to use in other applications. Integrating the product search into the booksellers' online shops (also run by Libri). Importing and providing digital items in the product search.
Stefanie Schmidt
Last position:
Software Developer for web applications at Rene Schmidt DevOps UG (haftungsbeschränkt) & Co. KG
- Web application management
- Development of applications and components using PHP with Symfony and Doctrine/PostgreSQL
- CSS optimization and customization with Twitter Bootstrap, HTML, JavaScript and jQuery to company specifications
- Developed a message queue system using RabbitMQ and NodeJS
- WordPress plugin development and WordPress theme customization
- App development for Android with Flutter and Dart
- Implemented event-based action logging system with Symfony v5.2
Discover over 15,000 top freelancers
Statistics of experts using RabbitMQ
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 19 years)
Position duration
1.9 years (Germany: 2 years)
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
83% (Germany: 88%)
Master's degree or higher
58% (Germany: 50%)
Doctorate
17% (Germany: 9%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
92% (Germany: 98%)
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 Hamburg 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 Hamburg using RabbitMQ
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
Message broker basics
RabbitMQ is a message broker for asynchronous communication between services. It helps teams move work off the request path, buffer spikes, and keep systems responsive when one part slows down.
Common uses
- Service-to-service messaging in distributed systems
- Background jobs and task queues
- Event-driven workflows and notifications
- Retry, delay, and dead-letter handling
- Integration between apps, APIs, and legacy systems
Core building blocks
Strong RabbitMQ work depends on exchanges, queues, bindings, routing keys, and consumers. Experts also know when to use acknowledgements, prefetch settings, and durable messages so delivery stays predictable under load.
Ecosystem skills
RabbitMQ usually sits beside AMQP, Docker, Kubernetes, and observability tools. Good specialists also understand client libraries in Java, .NET, Python, Node.js, or Go, because the broker only works well when the application code and queue design fit together.
When to bring in help
Bring in freelance expertise when queues back up, messages are lost, retries loop, or a migration needs careful planning. Teams in Hamburg often need support for on-site workshops, but implementation and tuning can also happen remotely with clear logs, metrics, and access.
What strong experts deliver
A strong RabbitMQ specialist designs clean routing, safe retry paths, and clear failure handling. They document the message model, test consumer behavior, and leave the system easy to operate for the team that owns it.
Frequently asked questions
Key details about RabbitMQ, drawn from the questions we get asked most.
RabbitMQ is used to move work between services without making users wait for every step to finish. Companies use it for queues, event handling, background jobs, and reliable handoff between applications that do not need to talk synchronously.
RabbitMQ is usually chosen when routing rules, acknowledgements, and flexible queue behavior matter more than stream replay. Kafka fits large event streams and long retention, while Redis-based queues are often simpler but less feature-rich for broker-style messaging.
A strong RabbitMQ specialist should understand AMQP, message acknowledgements, retries, dead-letter queues, exchange types, and consumer tuning. It also helps if they can read application code, work with Docker or Kubernetes, and use monitoring tools to trace message flow.
A small RabbitMQ setup may only need someone who can configure queues and connect one service safely. Larger systems need deeper experience with routing design, failure handling, scaling, and migration planning, especially when the broker supports many critical workflows.
Yes, RabbitMQ work is often well suited to remote collaboration because many tasks can be done from logs, configuration, and code. For teams in Hamburg, on-site time can still help at the start of a project when message flows, ownership, and operating rules need quick alignment.
Look for growing queue depth, delayed consumers, duplicate processing, or messages that disappear into the wrong path. If the team struggles to explain where a message goes or why retries behave badly, a RabbitMQ specialist can usually find the weak point fast.
No, RabbitMQ is a broker that commonly speaks AMQP, while AMQP is the messaging protocol. In practice, people often mention them together because the broker, the protocol, and the client library choices all shape how the system is built.
Ask for concrete examples of queue design, failure handling, and production troubleshooting in RabbitMQ. Good answers should mention exchanges, dead-letter queues, consumer acknowledgements, and how they kept operations understandable for the team that inherited the system.
The average hourly rate of freelancers in Hamburg, Germany who have used RabbitMQ in their recent projects is 93 €, which corresponds to a daily rate of about 746 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used RabbitMQ in their recent projects, 83% hold at least a Bachelor's degree, 58% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used RabbitMQ 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 Hamburg, Germany who have used RabbitMQ in their recent projects are German (100%), English (92%), and French (23%).
The most common industries among freelancers in Hamburg, Germany who have used RabbitMQ in their recent projects are Information Technology (100%), Retail (69%), and Banking and Finance (46%).
The most common business areas among freelancers in Hamburg, Germany who have used RabbitMQ in their recent projects are Information Technology (100%), Product Development (85%), and Quality Assurance (62%).
Main locations of FRATCH Experts, who have recently used RabbitMQ
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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Philipp Thomaschewski
FRATCH CEO
