MQTT Experts in Stuttgart
in minutes, matched from over 15,000 CVs with vetted specialists and the power of AIHire experts who design MQTT messaging for connected devices, broker-based event flows, and reliable publish/subscribe integrations. They support Mosquitto, HiveMQ, EMQX, and secure industrial and IoT setups, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Stuttgart, who have recently used MQTT
Matthias Spiller
Last position:
Software Developer and Consultant at CLADE GmbH
- Analysis of the existing CAN communication between microcontrollers
- Analysis of the sensors used and the measured values collected
- Planning the CAN messages for transmitting the measured values
- Iterative adjustment of the microcontroller code to the new CAN messages
- Cross-compilation from x64 to arm64
Benjamin Schaich
Last position:
Design and implementation of a new cloud service at Porsche AG
- Design of a new cloud service
- Requirements Engineering
- API Design (REST API, Kafka)
- Consulting on architecture, feasibility and effort estimation
- Implementation of a microservice architecture
- Implementation of a Spring Boot web service
- Development of REST APIs including business and persistence logic
- Kafka consumers and producers
- Various Excel upload/download scenarios
- Change Data Capture
- Cloud provisioning with IaC/Terraform
- Go-live with 30,000 users
- Operation, support and bug fixing for other services
Environment/tools: GitLab, JIRA, Confluence, IntelliJ, Spring Boot, Java, Docker, Terraform, AWS ECS, Postgres, Apache Kafka, SAP Datasphere, JUnit, Debezium, Apache POI, Hibernate, JPA, Testcontainers
Meenakumar Vaikundam
Last position:
Senior Embedded Technical Manager at IIT Madras Pravartak Technologies
- Led 14 member dev team and delivered postgresql database integration and performance optimization
- Delivered 8 K lines of C code with fewer defects (5 medium to low) in 8 months of development
- Integrate open source pgVector for AI application of the database for exact and nearest neighbor search
Ivan Greguric-Ortolan
Last position:
Technical Lead at Porsche Digital GmbH
- Contributed to the design of the new financial services integration layer and moderated the architectural discussions
- Oversaw the security concept and approval of the application
- Prepared infrastructure setup and best practices for the Kotlin backend
Michael Beck
Last position:
Developer/Consultant at Fresenius Medical Care
- Development of automated end-of-line tests (functional tests) for dialysis machines on a PLC test bench in a production environment
- Introduction of new technology based on Vector vTestStudio, CANoe, and Siemens S7 PLC
- Creating test concepts
- Implementing test cases and libraries in CAPL and C#
- Touch screen emulation and proprietary RPC (Remote Procedure Call) via CAN
- Connecting to the PLC (Siemens Simatic)
- Defining interfaces for device communication (vCDL)
- Defining user interfaces and linking to the frontend (JSON)
- Agile work using DevOps (Azure)
- Skills: CAPL, .NET, C#, vCDL, CANOpen, DevOps, PLC
- Tools used: Vector CANoe 18, vTestStudio 4, MS Azure DevOps, MS Visual Studio 2022, Mosquito MQTT, Git, Siemens TIA Portal
Okan Altay
Last position:
Team Leader / Project Manager at OEM in the Stuttgart area
- development, setup and deployment of a custom HIL system for aerodynamic components
- adaptation of the system specification and creation of the test specification
- coordination and planning of test cases, as well as specification of component and K-HIL tests at the system level and in integration
- planning, specification and execution of interface tests
- participation in vehicle trials
- led a team of 10 members following classic and agile A-SPICE standards with development according to the V-model
- Tools used: Jira, MS Project, GitTea, Gox, Confluence, KPM, MoveIT, DOORS, PTC Integrity, Intense, JFrog
Discover over 15,000 top freelancers
Statistics of experts using MQTT
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 20 years)
Position duration
1.3 years (Germany: 3.2 years)
Positions per freelancer
15 (Germany: 13)
Top business areas
Product Development, Information Technology, Project Management
Top industries
Automotive, Information Technology, Manufacturing
Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
100% (Germany: 88%)
Master's degree or higher
60% (Germany: 63%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 99%)
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 Stuttgart 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 Stuttgart 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
MQTT basics
MQTT, or Message Queuing Telemetry Transport, is a lightweight publish/subscribe protocol. It is built for low-bandwidth, unstable, or resource-constrained networks. Companies use it to move telemetry, status updates, and control messages between devices and services.
Where it fits
MQTT is common in connected products, factory systems, energy monitoring, fleet tracking, and building automation. It works well when many small messages must reach a broker reliably and with low overhead.
- Device telemetry
- Command and control flows
- Event delivery from sensors
- Mobile or edge integrations
Broker and tooling
Strong MQTT specialists know how to work with brokers such as Mosquitto, HiveMQ, and EMQX. They also understand topic design, retained messages, QoS levels, TLS, authentication, and monitoring. That knowledge matters when the setup must stay stable under load.
When to bring in help
Teams often need freelance expertise when they are adding MQTT to an existing system, replacing an older integration layer, or tuning a broker for production. It is also useful when a Stuttgart project needs coordination between local factory or mobility systems and remote software teams.
- Secure broker setup
- Topic structure design
- Client integration and testing
- Scaling and observability
What strong specialists do
A strong MQTT professional does more than connect devices. They think about message flow, failure handling, reconnect behavior, and how topics map to business events. They write clear technical documentation and make sure other experts can maintain the setup later.
Stuttgart delivery
In Stuttgart, MQTT work often touches automotive supply chains, industrial equipment, and smart infrastructure. Many projects can be done remotely, but on-site workshops help when device teams, OT systems, and cloud services need to align. Clear English is often enough for technical work, though German helps with local operations.
Frequently asked questions
Curious about MQTT? Here are the answers that come up again and again.
MQTT is used for small, frequent messages between devices, services, and control systems. It is a strong fit for telemetry, alerts, remote commands, and sensor data where a full HTTP request would be too heavy. Companies choose it when they need simple, reliable messaging over unstable networks.
MQTT is better when many clients need to send event-style messages to a broker with low overhead. HTTP or REST is often better for request/response APIs, user-facing web apps, and simple integration endpoints. In practice, many systems use both: MQTT for device traffic and HTTP for configuration or dashboards.
A strong MQTT specialist understands brokers, topics, QoS, retained messages, last will behavior, and TLS security. The best people also know how embedded clients, backend services, and monitoring tools fit together. That mix matters more than narrow protocol knowledge alone.
MQTT work often comes with broker administration, Linux, networking, Python, Java, or JavaScript, plus cloud and edge integration. In industrial projects, knowledge of PLC-related systems, devices, and secure remote access can be important too. A good expert can bridge protocol design and real system delivery.
A small proof of concept may only need a focused MQTT expert for setup and integration. Production work usually needs someone who has handled security, broker sizing, reconnect logic, and message design under real load. The harder the environment, the more valuable deep experience becomes.
Often yes, especially for broker configuration, software integration, and documentation. MQTT projects in Stuttgart may still benefit from on-site time when devices are physical, plant systems are involved, or workshops need close coordination. A hybrid setup is common when hardware and software teams must align quickly.
Look for clear topic naming, sensible QoS choices, secure authentication, and a setup that handles disconnects cleanly. A capable MQTT professional explains trade-offs in plain language and can show how the design behaves when clients go offline. Good documentation is usually a strong sign of quality.
They often ask MQTT experts to design device messaging, connect sensors to broker systems, secure communication, and test end-to-end flows. In industrial and connected-product work, the deliverable is usually not just code but a stable message architecture. That includes recovery logic, observability, and handover notes for the team.
The average hourly rate of freelancers in Stuttgart, Germany who have used MQTT in their recent projects is 113 €, which corresponds to a daily rate of about 903 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used MQTT in their recent projects, 100% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used MQTT in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Stuttgart, Germany who have used MQTT in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Stuttgart, Germany who have used MQTT in their recent projects are Automotive (83%), Information Technology (67%), and Manufacturing (67%).
The most common business areas among freelancers in Stuttgart, Germany who have used MQTT in their recent projects are Product Development (100%), Information Technology (83%), and Project Management (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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