
MQTT Experts in Hamburg
matched in minutes by AIHire experts who design reliable publish-subscribe messaging, connect IoT devices, and integrate MQTT brokers such as Eclipse Mosquitto or HiveMQ. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.
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.
Mirco S.
Last position:
Co-Founder, CTO & Managing Director at Sourcera.ai (Venture Build)
Full overall responsibility: product, technology, compliance and go-to-market
- Delivered an enterprise MVP in 54 days, exceeding scope and schedule.
- Won a 250k € ARR anchor customer and built a sustainable enterprise sales pipeline in the first quarter.
- Paid PoCs with Zalando (35k €) and tesa (26k €), validating product-market fit with Tier-1 enterprise customers.
- Initiated ISO-27001 and TISAX certification processes. Left when the venture entered its next organizational phase.
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
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.
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
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 a solution for filtering heavily noisy analog sensor data by combining high-speed sampling and digital firmware filtering
- Increased the battery life of a battery-powered medical device from approx. 10 days to approx. 18 months
- Supported the overall project through the first clinical tests and TÜV approval
Discover over 15,000 top freelancers
Statistics of experts using MQTT
Aggregated from the professional profiles of matched freelancers.
Experience
16 years (Germany: 20 years)

Position duration
2.1 years (Germany: 3.2 years)

Positions per freelancer
9 (Germany: 13)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Manufacturing, Construction

Certification focus areas
Information Technology, Product Development, Strategy
Bachelor's degree or higher
80% (Germany: 89%)
Master's degree or higher
20% (Germany: 65%)

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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Hamburg 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.
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 29 Oct 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 (86%)
- Construction (57%)
- Education (43%)
- Healthcare (43%)
- Retail (43%)
- Telecommunication (43%)
- Automotive (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Connected messaging
MQTT, short for Message Queuing Telemetry Transport, is a lightweight publish-subscribe protocol for moving messages between devices, services, and applications. It uses a broker to route data by topic, making it well suited to unreliable networks, constrained hardware, and systems that need live updates without constant direct connections.
Typical systems
MQTT specialists deliver communication layers for connected products and operational systems. Common use cases include:
- Sensor and telemetry pipelines for buildings, factories, and logistics
- Device control for energy, mobility, and industrial equipment
- Real-time status updates for web and mobile applications
- Edge-to-cloud integrations with reliable message delivery
Brokers and tooling
The ecosystem includes Eclipse Mosquitto, HiveMQ, EMQX, and cloud messaging services. Strong professionals configure brokers, topics, retained messages, session behavior, quality of service, and access controls. They also work with TLS, client certificates, Docker, Kubernetes, REST APIs, and event-processing services that consume MQTT data.
When expertise helps
Companies often bring in freelance MQTT expertise when a proof of concept must become a dependable production system, when devices lose connectivity, or when message flows become difficult to observe. Specialists can review topic design, broker capacity, reconnect behavior, data contracts, and migration plans. Hamburg teams may also benefit from remote professionals who can join local workshops when hardware or plant access is required.
Delivery and security
Reliable MQTT solutions begin with clear topic hierarchies and a defined delivery model. Professionals test quality-of-service choices, duplicate messages, retained state, offline clients, and orderly shutdowns. They secure broker access with authentication, authorization, encrypted transport, certificate rotation, and useful monitoring rather than treating connectivity as an afterthought.
Choosing a specialist
Look for evidence of production MQTT work across both devices and backend services. A capable expert can explain why a broker, protocol setting, or integration pattern fits the system instead of applying a default configuration. They should communicate clearly with hardware, cloud, and product teams, document operational decisions, and test failure scenarios before deployment.
Frequently asked questions
Curious about MQTT? Here are the answers that come up again and again.
MQTT is used to exchange small messages between connected devices, gateways, applications, and cloud services. It is common in IoT, industrial monitoring, smart buildings, logistics, energy systems, and device control where network conditions may change.
MQTT uses broker-based publish-subscribe messaging and is usually lighter than HTTP for frequent device updates. AMQP offers richer enterprise messaging features, while MQTT is often a better fit for constrained devices and intermittent connections. The right choice depends on delivery guarantees, payloads, routing, and operational needs.
A strong MQTT specialist usually understands broker administration, TCP/IP, TLS, certificates, Docker, Kubernetes, cloud services, and event-driven backend integration. Experience with embedded systems, observability, databases, and API design is also valuable when messages must become useful business data.
The required depth depends on risk and scale, not on the protocol alone. A simple pilot may need a specialist who can design topics and connect devices, while a production system benefits from proven work with broker clustering, security, retries, monitoring, and failure testing.
MQTT projects can usually be handled remotely when access to brokers, logs, repositories, and test environments is available. On-site collaboration in Hamburg becomes more useful for commissioning connected equipment, testing radio or network conditions, and working directly with plant or device teams.
On-site work is helpful when specialists must inspect sensors, gateways, industrial networks, or physical installation constraints. Remote professionals can still handle architecture, broker configuration, security reviews, and automated testing when the hardware environment is accessible through a controlled lab or staging setup.
Ask the MQTT expert to explain topic structure, quality of service, retained messages, session behavior, authentication, and reconnect handling in the context of your system. Strong answers connect each choice to failure modes and operational goals, and include testing, monitoring, documentation, and secure defaults.
Before using MQTT, clarify device constraints, expected message patterns, broker ownership, security requirements, offline behavior, data retention, and who operates the system after delivery. It is also important to confirm access to hardware, staging environments, logs, and the teams responsible for firmware and cloud services.
The average hourly rate of freelancers in Hamburg, Germany who have used MQTT in their recent projects is 112 €, which corresponds to a daily rate of about 897 € 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 16 years of professional experience, with a single engagement typically lasting around 2.1 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 (29%).
The most common industries among freelancers in Hamburg, Germany who have used MQTT in their recent projects are Information Technology (100%), Manufacturing (86%), and Construction (57%).
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 Project Management (71%).
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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