
MQTT Experts in Stuttgart
matched in minutes from over 15,000 CVs with vetted, available specialistsHire experts who design MQTT messaging flows, tune broker setups, and connect devices, services, and event pipelines with confidence. From topic design to secure pub/sub integrations, get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Stuttgart, who have recently used MQTT
Matthias S.
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 S.
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 V.
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 G.
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 B.
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 A.
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: 62%)

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 19 Sep 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 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.
- Automotive (83%)
- Information Technology (67%)
- Manufacturing (67%)
- Banking and Finance (33%)
- Healthcare (33%)
- Aerospace and Defense (17%)
- Education (17%)
- Media and Entertainment (17%)
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 built for connected devices and low-bandwidth links. It is common in IoT systems, telemetry feeds, and remote monitoring where simple messaging matters more than heavy request/response patterns.
Typical use cases
- Device telemetry and sensor data
- Command and control for connected systems
- Event delivery between apps and gateways
- Mobile and edge messaging over unstable networks
It is also used in factories, buildings, vehicles, and other systems that need reliable message flow with small payloads.
Ecosystem and tooling
MQTT work often includes brokers, client libraries, security settings, and topic structure design. Strong professionals know tools such as Mosquitto, EMQX, HiveMQ, and cloud IoT services, plus TLS, authentication, retained messages, and quality of service levels.
Where companies need help
Companies bring in freelance experts when MQTT setups become hard to maintain, secure, or scale across many connected endpoints. They may need help with broker choice, migration from older Message Queue Telemetry Transport deployments, integration with backend services, or troubleshooting message loss and reconnect behavior.
What strong specialists do
A strong MQTT specialist thinks in message flows, not just connections. They design clear topics, keep payloads small and predictable, and make sure devices, brokers, and downstream systems can recover cleanly after interruptions.
Stuttgart projects
In Stuttgart, MQTT expertise often supports industrial systems, mobility solutions, smart building setups, and connected product teams. Local companies may want on-site workshops for architecture decisions, while implementation and support can often be handled remotely in English or German.
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 gateways. It fits telemetry, command delivery, status updates, and other flows where publish/subscribe works better than direct polling. Teams choose it when connections are unstable, bandwidth is limited, or many endpoints need the same data.
MQTT is usually a better fit for device-to-cloud messaging and event delivery than plain HTTP because it keeps communication lean and supports broker-based distribution. Compared with WebSockets, it is more focused on durable pub/sub patterns and broker features like retained messages and quality of service. The best choice depends on the system, but MQTT is often the right layer for IoT and telemetry.
A strong MQTT specialist usually knows brokers, TLS, authentication, and topic design. Useful adjacent skills include Linux, networking basics, JavaScript, Python, Java, cloud IoT services, and message-driven integration with backend systems. If the work touches devices, embedded or edge experience helps too.
MQTT help is useful when a system must be hardened, migrated, or connected to other services without breaking device communication. Companies also bring in specialists when message delivery is unreliable, topic structures are messy, or security settings need a clean review. In Stuttgart, this often comes up in industrial and connected-product projects with mixed on-site and remote work.
MQTT projects range from simple broker setup to large, distributed messaging systems. Small pilots can be handled by one experienced specialist, while production systems with many devices need someone who understands retries, session behavior, security, and failure handling. The more critical the data path, the more important real production experience becomes.
With MQTT, quality shows up in clear topic naming, predictable payloads, secure broker configuration, and good handling of reconnects and offline clients. Ask for examples of broker tuning, TLS setup, and troubleshooting message flow under load or poor network conditions. Good specialists can explain trade-offs in plain language.
Yes, MQTT is the common abbreviation for Message Queuing Telemetry Transport. You may also see the older expansion Message Queue Telemetry Transport in older material, but MQTT is the name most teams use today. When you search for specialists, both forms can be useful terms.
Yes, MQTT work is often suitable for remote delivery because broker configuration, integration, and testing can be done from anywhere. For Stuttgart teams, on-site sessions can help when device hardware, factory networks, or local stakeholders are involved. Many projects use a mix of remote implementation and in-person workshops.
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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