IoT Engineers in Germany
from over 15,000 CVs with AI-powered matchingFrom device connectivity and edge gateways to MQTT, OPC UA, and cloud integration, IoT engineers turn sensors and machines into reliable data flows. FRATCH matches you fast with vetted, available freelancers who can build, connect, and stabilize your IoT stack.
Meet FRATCH IoT Engineers in Germany
Yusuf Congar
Last position:
Senior Software Engineer at LeiKon GmbH
- Development of scalable backend applications with C#/.NET and Java
- Design and implementation of distributed microservice architectures
- Development and integration of REST APIs for industrial applications
- Development of modern web applications with React, Angular, and TypeScript
- Implementation of MQTT-based communication solutions
- Integration of industrial protocols such as OPC UA and Modbus TCP
- Development of batch, process control, and HMI components
- Containerization and deployment of applications with Docker
- Conducting code reviews and supporting architecture decisions
- Close collaboration with product owners, QA, and interdisciplinary teams
- Analysis of business requirements and implementation of technical solutions
- Further development of existing software architectures with a focus on maintainability and performance
Technologies: C#, .NET, ASP.NET Core, Java, C++, React, Angular, TypeScript, Vue.JS, MQTT, OPC UA, Modbus TCP, Docker, GitLab, MariaDB, MySQL, Linux
Maurice Knopp
Last position:
Solution Architect – Cloud-Native Transformation of IoT Monitoring Platform at NDA / Wind Energy Sector
- Led the end-to-end architecture and migration of a legacy on- premise IoT monitoring system to a cloud-native Azure platform within a 17-member development team
- Designed and implemented a scalable microservices architecture (Java 21, Spring Boot, Kubernetes, Azure Services), decoupling IoT data streams and eliminating legacy system bottlenecks
- Defined technology stack, mentored developers, and orchestrated cross-functional teams in 4 countries to ensure high-quality delivery and alignment with architectural standards
- Drove requirements engineering and system redesign, removing years of technical debt and introducing event-driven processing and automated workflows
- Key Achievements
- Increased system stability and uptime by ~10x, eliminating need for 24/7 DevOps intervention
- Reduced hosting costs by ~80% (5x savings) through cloud optimization
- Improved performance and scalability, enabling stable handling of high-volume IoT data streams
- Delivered successful zero-disruption migration from on-prem to cloud, with strong user satisfaction and reliability from day one
Paul Privler
Last position:
Independent Consultant – Industry/ Embedded/ IoT at Self-employed
Consulting and support in the areas of sales/business/technology/development/marketing:
- Sales, Key Account Management
- Business Development, business/corporate development
- Partner management
- Program/project management
- Product management & marketing
- Technical marketing, content marketing
- New business, innovation and technologies
Until July 2021 active as advisor and consultant for Mixed Mode in the areas of Key Account Management, Project Management and Business Development.
From Q3/2021 successful delivery of various customer projects in the area of Business Development, corporate development, consulting, coaching, technical content management, sales and marketing:
- EMS service provider and PCB test house, inspection systems: revision of company portfolio and presentation. Integration of specialized distribution for optical inspection systems from Japan: content management, marketing, communication, web, sales automation, lead generation
- Full service marketing agency – technology marketing for industry: expansion of the existing B2B and B2C marketing portfolio with industrial and technology topics: content management, presentation and focus on "technical marketing", web, target market and customer analysis, lead automation, consulting
- Software product manufacturer & software development in the field of security for Embedded & IoT: company alignment and portfolio definition for an IoT and Embedded Security company with a SaaS solution for IoT device management: building a partner network to offer complete Embedded/IoT security solutions, technical content, company alignment and portfolio definition, strategy & planning, target market and customer analysis, product marketing/USPs for the security device management tool "IoT-Suite", standards and regulations for cyber resilience (e.g. CRA, NIS2, RED), web content, SEO, management of marketing and sales agencies, CRM, sales, presentations, trade fairs, congresses, building company webinars & events
- Software engineering service provider/system house for IoT, Embedded, web, mobile and desktop applications: business development, content creation, customer acquisition and sales
- Manufacturer of memory products with security features as an add-on: memory products in standard form factors (SD, CF, SSD...) are extended with security modules such as HSM, TPM or secure elements and thus offer users secure data storage, transfer and access. Also interesting as an upgrade or retrofit solution to meet the coming new regulations and requirements regarding cybersecurity such as CRA, RED and NIS2. Business & New Business Development for the area "Embedded IoT Solutions & Security", sales & marketing. Expansion of the pure semiconductor business to include security solutions and services. Interface between management, marketing, sales and product management. Building business partners, technology partners, system integrators and resellers from the Embedded, IoT, OT and IT environment. Creating reference designs/demos/lighthouse cases and proof of concepts for cross- and reference selling. Co-marketing with security partners. Technical content creation for web, sales and marketing, webinars, social media etc. Networking, participation in trade fairs, congresses and events. Lead generation, qualification, follow-up and conversion to customer. Product definition, USPs, features. Analysis of competitors, market positioning, target markets - strategy, concept and measures - go to market.
- Marketing agency group with sales and management consulting: consulting for companies on restructuring, market analysis and market entry, go-to-market concepts, customer acquisition and expansion, new customer generation, lead generation and management, concepts and execution of campaigns (web, mail, social media, phone outreach in person or with AI voice assistant, webinars...). Processing and managing customer product data for PIM product information and DAM data asset management systems. Focus on customers in the industrial and technology environment with products and services that need explanation.
Reginald Leonczuk
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, e.g. calendar, chat, and various tables
Lothar Hinsche
Last position:
Solution Manager for PoC investigation and for replacing and refining an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH
- Investigating the PoC and replacing and refining an existing cloud and IoT power plant control solution for certificate management of renewable energy plants (solar, wind, biomass, etc.) for the largest European renewable energy network operator, including examining the field IoT devices and their integration and network connections, aiming for automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and attack vector analysis, software quality & bug assessments
- Agile workload scheduling via Jira & Confluence
- Evaluation of pub/sub message streams for MQ and Kafka.
- Various tests with “best design approaches” for resilience patterns like circuit breaker designs, throughput measurement and monitoring, bulkhead governors – for robust EA design
- Integration of API management with IBM's API Connect to Kubernetes for platform-agnostic microservices API management designs. Google Apigee
- Solution health check approaches for load burst situations + remedy
- Research and evaluation of potential sub-service providers in the coordinating role as solution manager. CIS20 controls.
- DREAD and STRIDE security assessments.
Frank Thurner
Last position:
Engineering & Industry 4.0 / IoT Project Manager at Contech Software & Engineering GmbH
Engineering & Industry 4.0 / IoT projects with AI system using the Robust Design method for products & processes
Development, implementation & introduction of AI system Analyser® for Robust Design for products & processes
AI and Industry 4.0 standard product for preventive and reactive quality assurance as well as maintenance (Predictive Quality and Predictive Maintenance) based on big & smart data
Thomas Kuhne
Last position:
Senior Scrum Master/Co-RTE at Siemens Smart Infrastructure (Energy & Infrastructure Management)
- Activity within a Large Solution
- Coordination of 2 development teams (backend) + System Team + DevOps
- Value Stream Workshops
- Leading the Community of Practice for Scrum Masters
- Onboarding and training of junior Scrum Masters
- Leading Inspect & Adapt workshops
- Assessing and improving ART agility
- Release management
- Teaching SAFe classes as a SAFe Program Consultant (SPC)
- Agile coaching for Leading SAFe, SAFe for Teams, SAFe Scrum Master, SAFe Product Owner/Product Manager, SAFe DevOps
- Vision & Purpose Workshops
- Handling OKRs, personal development & growth, Liberating Structures
- Certified SAFe 5 Release Train Engineer (RTE)
- Certified SAFe 5 Lean Portfolio Manager (LPM)
- Certified SAFe 5 Program Consultant Agile Coach (SPC)
- Certified SAFe 5 Agile Product Manager (APM)
- Certified SAFe 5 Product Owner/PM (POPM)
- Certified SAFe 5 Advanced Scrum Master (SASM)
- Certified SAFe 5 DevOps Practitioner (SDP)
- Certified SAFe 5 Practitioner (SP)
- Professional Scrum Master II (Scrum.org)
- Professional Agile Leadership I
- Scrum Master XU Group (training startup) (Scrum.org)
- Professional Scrum Product Owner I (Scrum.org)
- Project Management Professional (PMP at PMI)
- Team Kanban Practitioner (Kanban University)
Philipp Ramjoué
Last position:
IoT & AI Developer at KESSEL AG
- Developed TinyAI (running inference model on the hardware) and Deep Learning Ramjoué algorithms for sensor analysis and robust measurement to increase reliability, performance and to stand out from the competition
- Developed different SW & HW IoT prototypes for LoRaWAN communication for the next generation of intelligent-connected products
Janusz Mazurek
Last position:
IoT Edge Computing / Self-Driving-Cars at Automotive consulting company
- Platform: Python ecosystem, RHEL 8, K10, AWS IoT Core, AWS Lambda, MLOps
- Software: Java JEE/cloud, IntelliJ IDEA, AWS IoT Core, AWS Edge and Lambda, AWS SageMaker SDK, Docker Compose, Kubernetes, OpenShift 4, Tekton, Flux, Helm charts, JSON/XML technology, Nginx, Apache Spark, OpenAI (GPT Plus, DALL-E 3, Whisper), GAN, GitHub Copilot, AI/machine and deep learning, Jupyter notebooks, TensorFlow 2, Colab, Keras API, Prometheus, Grafana, Conda, Python 3.9, PySci stack (NumPy, pandas, Scikit-learn, matplotlib)
- Responsible for webinar:
- IoT edge computing: architecture, components, resources, management
- IoT edge computing with MicroK8s, designing and creating flows/diagrams for AWS, three-step model for IoT ecosystem
- IoT processes, connectivity, data transfer and deployment, security
- Optimization of edge computing for IoT networks and services (AWS SQS queue, SNS notifications, events, analytics, buttons, device management/defender, Things Graph)
- Machine/deep learning frameworks (models, training, pipeline optimization, deployment in the cloud/at the edge (OpenShift), monitoring workloads with Prometheus and Grafana)
- Performance optimization for low latency/resilience using adaptive ML/DL/RL models for customer IoT data
- Analysis of large sensor data sets with Apache Spark, Kafka clusters
- Kasten K10 data management platform on Kubernetes multi-cluster with Helm chart, deployment, backup/disaster recovery (RTO/RPO), data lifecycle and security management
- Implementation of multilayer artificial neural network (ANN) with TensorFlow 2 and Colab for regression and classification; data analysis and provisioning for applications; development of models for testing and training, deployment of models
- Automation of business streamline processes with AI (Azure OpenAI, Discord bots/Zapier apps AI assistants (IntelliJ, GitHub Copilot))
Wulf Schlachter
Last position:
External Management Advisor - Equans / Powerlines Group at Powerlines Group
- Acts as external management advisor to Equans / Powerlines Group on strategic and management topics.
Discover over 15,000 top freelancers
IoT Engineers statistics
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
4.1 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
100%
Master's degree or higher
50%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 26 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this role in Germany 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 for IoT Engineers in Germany
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 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the role
What they build
IoT engineers connect physical devices, machines, and sensors to software systems that can collect, send, and use data. They design the path from firmware or edge device to cloud platform, then make sure the data is secure, stable, and usable for operations, analytics, or automation.
- Device connectivity and protocol setup
- Edge gateway and data pipeline integration
- Cloud onboarding for device data
- Secure communication, device identity, and access control
- Monitoring, diagnostics, and remote updates
Core skills
A strong IoT engineer knows both hardware-adjacent and software topics. That often includes embedded systems, networking, API integration, message brokers, and cloud services. Many companies also look for experience with IoT developer work, firmware coordination, or systems engineering when the project crosses team boundaries.
- MQTT, HTTP, CoAP, OPC UA
- Edge computing and gateway logic
- Azure IoT, AWS IoT, or similar cloud stacks
- Sensor data handling and telemetry design
- Debugging in lab, test bench, and live environments
When to bring one in
Freelance IoT engineers are a strong fit when a project needs specialized knowledge without adding a permanent role. That is common for product launches, factory connectivity projects, platform migration, or when an internal team needs help with a difficult integration. In Germany, they are often brought into industrial, logistics, energy, and smart building projects where on-site work with technical teams may be needed at key moments.
What good looks like
Strong professionals do more than connect devices. They think in failure modes, deployment steps, security, and maintainability. They document clearly, work well with embedded engineers and backend teams, and can explain trade-offs between latency, cost, power use, and reliability.
- Clear architecture decisions
- Practical testing and troubleshooting
- Clean handover documentation
- Awareness of security and device lifecycle
- Able to work with software, hardware, and operations teams
Typical projects
Companies hire IoT engineers for connected products, industrial monitoring, predictive maintenance, asset tracking, fleet systems, smart energy, and building automation. The best freelancers can move between prototyping and production support, then adapt the setup when the project grows or the field conditions change.
Collaboration style
The role often sits between product, engineering, and operations. Remote work fits well for architecture, software integration, and data flows. On-site time helps when devices must be tested with machinery, installed in plants, or checked against real network conditions. For teams in Germany, a freelancer who can communicate clearly in English and, when needed, coordinate with German-speaking technical staff is often a practical advantage.
Frequently asked questions
The facts hiring teams ask for most often when it comes to IoT Engineers.
A IoT Engineer connects devices, sensors, gateways, and cloud services into one working system. The scope usually includes protocol setup, data flow design, integration work, testing, and troubleshooting. In many projects, the freelancer also helps define how the device should behave in the field and how failures should be handled.
Look for a mix of embedded understanding, networking, and software integration. Strong IoT engineers know message protocols, device provisioning, cloud connectivity, and secure communication. They should also be comfortable debugging across hardware, firmware, and backend layers.
The titles often overlap, but they are not always identical. An IoT developer may focus more on code, while an IoT engineer is often expected to handle systems design, integration, and reliability as well. In practice, companies use both titles for similar freelance work.
A freelancer is a good choice when the need is project-based, urgent, or highly specialized. That is common for prototypes, factory rollouts, platform migrations, and rescue work on unstable systems. If the work is ongoing but narrow in scope, a freelance IoT engineer can be faster and easier to place than a permanent employee.
In Germany, IoT engineers often work on industrial connectivity, energy systems, logistics tracking, smart buildings, and machine monitoring. They may need to bridge office software with production environments and work with technical teams on-site when devices must be installed or tested in real conditions. Remote collaboration still covers much of the design and integration work.
Ask for examples of systems they have connected end to end, not just isolated coding tasks. A strong IoT engineer can explain protocol choices, security decisions, and how they tested the setup under realistic conditions. Good documentation and a calm approach to troubleshooting are also clear signs.
Some parts of the job can be done remotely, especially architecture, cloud integration, and software-side debugging. But many projects need at least some on-site time for hardware testing, field checks, or installation support. The best setup is often a mix of remote delivery and targeted visits.
Start with the devices involved, the protocol landscape, the target cloud or platform, and the main failure risks. Ask how the freelancer handles device identity, updates, monitoring, and handover. It also helps to clarify whether you need an embedded engineer, an integration specialist, or someone who covers both.
The average hourly rate for IoT Engineers in Germany is 106 €, which corresponds to a daily rate of about 845 € based on an 8-hour working day.
Of the freelancers working as IoT Engineers in Germany, 100% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers working as IoT Engineers in Germany have 23 years of professional experience, with a single engagement typically lasting around 4.1 years.
The most common languages among freelancers working as IoT Engineers in Germany are German (100%), English (100%), and French (30%).
The most common industries among freelancers working as IoT Engineers in Germany are Information Technology (70%), Manufacturing (70%), and Automotive (60%).
The most common business areas among freelancers working as IoT Engineers in Germany are Information Technology (100%), Product Development (90%), and Operations (70%).
FRATCH IoT Engineers main locations
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
