MQTT Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used MQTT
Martin W.
Last position:
Smart Manufacturing & Production Improvement Implementation at Food & Process Manufacturing
- Identified operational improvement opportunities together with production, engineering and management teams.
- Prioritized use cases according to measurable operational value rather than technology availability.
- Developed solutions around production performance, OEE, quality, traceability, reporting and process transparency.
- Translated operational requirements into required machine data, interfaces, information models and application requirements.
- Defined target architectures and integration approaches for heterogeneous brownfield production environments.
- Moved prioritized use cases from workshop and concept stages into concrete implementation projects.
- Coordinated manufacturing, OT, IT and technology stakeholders during implementation.
- Established reusable approaches to scale successful solutions beyond individual machines or pilot areas.
Daniel S.
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
Dominik P.
Last position:
Head of IT at Aarsleff Spezialtiefbau GmbH
- Disciplinary and professional leadership of the IT and service team
- Definition and documentation of the Current Mode of Operation (CMO) in Confluence: application landscape, infrastructure, networks, backup & storage
- Development of the Future Mode of Operation (FMO) including process analysis & stakeholder interviews with all departments using BPMN and flowcharts
- Optimization of license management: reduction of ongoing software costs by approx. 17% p.a.
- Introduction and establishment of Jira as the central tool for project and service management
- Introduction and rollout of the HR software MindKey to digitize HR processes
- Introduction of a VoIP solution with Microsoft Teams incl. PSTN connection to replace classic telephony
- Introduction of the production and planning software OptiControl to digitize operational processes
- Rollout of Intune as a Mobile Device Management solution for Windows, iOS and Android
- Build-up of Power BI dashboards for machine park monitoring and financial reporting
- Planning and execution of the IT consolidation of two locations for 170 users
- Introduction of automated penetration testing with Pentera
- Coaching and mentoring the team in agile methods & project management
- Operational support in day-to-day business: administration, incident & change management
- Management of external service providers and assurance of the quality of outsourced IT services
- Responsibility for the IT budget incl. planning and controlling
- Direct reporting line to management with regular management reports on IT KPIs, budget and project status
Dhruti C.
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.
Alexander W.
Last position:
Freelance Head of Development / Strategy Consultant at LabMaker GmbH
- Consulting on a wide range of open science hardware projects in the fields of electronics, mechatronics, and optoelectronics
- Comprehensive system analysis and DFM optimization of a novel open hardware miniaturized two-photon microscope
- Exchange with scientists from renowned academic institutions to align the customer’s work in the best possible way
- Production coordination with local and international partners for PCB assembly, CNC machining, and optics
- Process analysis for product design, production planning/execution, product lifecycle, and product data management
- Coaching employees from all departments on the requirements that complex technical products place on business processes
- Development of a comprehensive PLM & PDM concept tailored to the needs of development and manufacturing
- Initiating intensive and direct cross-departmental exchange to identify improvement potential
- Planning shopfloor layout improvements with the production team and supporting the implementation process
- Quick onboarding of two new English-speaking colleagues in technical product management and development
- Ad-hoc and in-depth training of employees in the use of software tools such as KiCad or Autodesk Inventor
- Consulting on long-term development into a scalable, even stronger partner for the open science hardware community
Michael K.
Last position:
Bytec Medizintechnik
- Developed solution to filter heavily noisy analog sensor data by combining high-speed sampling with digital firmware filtering
- Increased battery life of a battery-powered medical device from about 10 days to about 18 months
- Supported the overall project up to initial clinical tests and TÃœV approval
Discover over 15,000 top freelancers
Statistics of experts using MQTT
Aggregated from the professional profiles of matched freelancers.
Experience
15 years (Germany: 20 years)
Position duration
1.3 years (Germany: 3.2 years)
Positions per freelancer
9 (Germany: 13)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Construction
Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
80% (Germany: 88%)
Master's degree or higher
20% (Germany: 62%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 99%)
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 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 MQTT
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.
MQTT 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%)
- Manufacturing (83%)
- Construction (50%)
- Education (50%)
- Telecommunication (50%)
- Energy (33%)
- Banking and Finance (33%)
- Healthcare (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
MQTT basics
MQTT, short for Message Queuing Telemetry Transport, is a lightweight publish-subscribe protocol for devices and services that need efficient messaging. It is common in IoT, telemetry, remote monitoring, and systems where bandwidth is limited or connections are unstable.
Where it fits
- Sensor data and telemetry pipelines
- Device control and command delivery
- Event-driven backend integration
- Mobile or edge applications with weak networks
MQTT helps teams separate message producers from consumers. That makes it easier to connect devices, cloud services, and internal applications without tight coupling.
Core ecosystem
Strong specialists know brokers, topics, retained messages, QoS levels, TLS, and authentication. They also work with common broker software such as Mosquitto, EMQX, and HiveMQ, plus client libraries in Java, Python, JavaScript, Go, and C.
When to bring in help
- Broker setup, clustering, and topic design
- Security hardening and certificate handling
- Troubleshooting message loss or duplicate delivery
- Building integrations to cloud, APIs, or data platforms
Companies usually bring in freelance MQTT experts when a project must be stable in production, not just working in a lab. In Hamburg, that often matters for connected equipment, logistics systems, industrial monitoring, and distributed services that need clean messaging.
What strong experts do
Good professionals keep message flows simple and explicit. They plan topic trees, choose the right QoS, test reconnect behavior, and make sure clients handle offline periods, payload limits, and backpressure without breaking the system.
What to expect
A strong MQTT specialist can explain trade-offs between MQTT and alternatives like HTTP polling, WebSockets, or AMQP. They should also understand device identity, payload formats, observability, and how to keep operations maintainable as the number of connected endpoints grows.
Frequently asked questions
Curious about MQTT? Here are the answers that come up again and again.
MQTT is used for lightweight messaging between devices, services, and cloud systems. It is a strong fit for telemetry, remote control, and event updates where connections may be slow or unstable. Teams often choose it for IoT, industrial monitoring, and distributed applications.
MQTT is usually the better choice when many clients need to publish and subscribe to small messages with low overhead. HTTP is simpler for request-response APIs, while WebSockets fit interactive sessions, but MQTT is built for continuous message exchange and broker-based routing. It is especially useful when devices need to reconnect cleanly after outages.
A strong MQTT freelancer should understand broker configuration, topic structure, QoS, authentication, and TLS. For production work, it also helps if they know the device side, the cloud side, and the data flow in between. The best specialists can explain how their choices affect reliability and maintenance.
A strong MQTT specialist often also knows Linux, networking, TLS certificates, and at least one client language such as Java, Python, JavaScript, Go, or C. Experience with brokers like Mosquitto, EMQX, or HiveMQ is useful too. For many projects, observability and cloud integration matter just as much as the protocol itself.
A good MQTT expert does more than connect a client to a broker. Look for clear topic design, sensible QoS choices, secure authentication, and tests for reconnects, offline periods, and duplicate delivery. Strong work usually comes with practical explanations, not just working code.
Yes, MQTT is common in industrial systems, connected equipment, logistics, and monitoring setups where reliable telemetry matters. For companies in Hamburg, that can include on-site work for hardware, networks, or plant access, while many messaging and integration tasks can still be done remotely. Clear communication in English is often enough, but local collaboration can help during rollout.
In MQTT, the broker routes messages between publishers and subscribers, and topics decide where each message goes. Good specialists design topic hierarchies that are easy to filter, secure, and maintain over time. They also make sure retained messages and subscriptions behave the way the system needs.
Yes, MQTT is the abbreviation for Message Queuing Telemetry Transport. Most searchers use the acronym, but some still use the full name, especially in older documentation. In practice, both refer to the same publish-subscribe protocol.
The average hourly rate of freelancers in Hamburg, Germany who have used MQTT in their recent projects is 98 €, which corresponds to a daily rate of about 786 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used MQTT in their recent projects, 80% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Hamburg, Germany who have used MQTT in their recent projects have 15 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Hamburg, Germany who have used MQTT in their recent projects are German (100%), English (100%), and Spanish (33%).
The most common industries among freelancers in Hamburg, Germany who have used MQTT in their recent projects are Information Technology (100%), Manufacturing (83%), and Construction (50%).
The most common business areas among freelancers in Hamburg, Germany who have used MQTT in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used MQTT
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
