Internet of Things Experts
matched to your project in minutesHire experts who connect sensors, devices and cloud services, design reliable data pipelines, and deliver secure IoT solutions for industrial, commercial and consumer environments. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts who have recently used Internet of Things
Valerii S.
Last position:
Freelance Software Engineer & Systems Architect at Early-Stage.dev
- IONOS Managed K8s Service: Engineered core K8s Operators and Auth architecture (Golang, OpenAPI, Postgres).
- IONOS Data Export Service: Built logging webservices and GitOps CI/CD pipelines (Golang, Loki, S3, ArgoCD).
- Pharma Cloud Migration: Modernized legacy on-premise software (Golang, OpenAPI, MongoDB, TypeScript).
- Greenfield ERP System: Engineered robust backend using augmented coding (Golang, GraphQL, Ent, Postgres).
- National Public Television: Delivered backend analysis and RESTful implementation (Golang, Postgres).
- Industrial Manufacturer R&D: Optimized QA and executed IoT refactoring (Golang, InfluxDB, MQTT).
- Recipe & Cooking App: Managed backend bugfixing and infrastructure adjustments (Golang, AWS EC2, Terraform).
Borja C.
Last position:
Independent Transformation and Technology Initiatives at Grey Bear Consulting
Business development and professional exchange
- Developed a consulting offer for digital transformation, AI adoption, and Operating Models; built industry and partner relationships.
Claudius L.
Last position:
Multi-project manager
Industrial sector: Transport
Tasks: Continuation of existing projects, advice on artificial intelligence (AI), implementation of regulatory requirements, management of external service providers
Subprocesses: Order clarification, role clarification, consolidation, effort estimation, activity planning, status reporting, progress tracking, stakeholder discussions, risk analysis
Background: Cloud computing, artificial intelligence (AI), predictive maintenance, compliance, governance, standing orders compliance, KRITIS
Software: Cherwell, Docker, IoT, MS Sharepoint, MS Teams, SQL Server
Slava G.
Last position:
Security Consultant at Liebherr-IT Services GmbH
Designed a global SD-WAN / SASE solution (Paloalto Prisma Access or Cisco Secure Connect) and integrated it with the data center infrastructure (Cisco ACI, Cisco Catalyst/Nexus Switches, Cisco WLAN Controller, Cisco ISE)
Aleksei R.
Last position:
QA Engineer at Cybus GmbH
- Led QA and test automation for a distributed industrial IoT and data-integration platform connecting shop-floor systems with enterprise applications.
- Designed and maintained automated API and UI tests using Playwright, TypeScript, and Python, covering REST APIs, authentication, resource management, integrations, permissions, and end-to-end workflows.
- Tested distributed services, data pipelines, messaging infrastructure, containerized applications, and integrations across Kubernetes, OpenShift, Docker, and Docker Compose environments.
- Performed functional, integration, regression, endurance, resilience, load, chaos, and exploratory testing across complex distributed systems.
- Used Chaos Mesh and Toxiproxy for network fault injection, latency, packet loss, and partition scenarios to validate system resilience and failure handling.
- Automated infrastructure provisioning, configuration, and environment setup with Ansible and managed deployments using Kubernetes and Helm.
- Tested integrations with industrial protocols, messaging systems, databases, HTTP/REST APIs, and external enterprise systems using simulators, emulators, and dedicated test environments.
- Worked with MQTT, Kafka, SQL databases, InfluxDB, REST APIs, OAuth 2.0, JWT, LDAP, Active Directory, OpenLDAP, mTLS, TLS, MFA, SSO, and RBAC.
- Investigated and resolved 40+ defects across backend services, integrations, distributed components, and web applications, using AI-assisted analysis with Claude to accelerate debugging, test design, and root-cause investigation.
- Improved deployment reliability through Kubernetes/OpenShift configuration and health-check tuning and monitored distributed systems using Grafana, Prometheus, and Loki.
- Collaborated with developers and product teams on sprint planning, technical refinement, quality strategy, release testing, and continuous improvement.
- Applied AI-assisted and agentic testing approaches to expand automated coverage and identify complex edge cases.
Mareen L.
Last position:
Freelance Tech Recruiter at langecareers
- End-to-end hiring for IT and cross-functional roles: Product Owner, IT project leads, IT executives, SAP/ERP, system administration, business analysis, IT consultants, IT sales, Embedded Software Engineers
- Structured briefings with hiring teams and fit checks before the first interview
- Direct outreach to passive candidates via LinkedIn
Jonás C.
Last position:
Security Responder (SOC) at gematik GmbH
At gematik's Cyber Defense Center (CDC/CERT) (critical infrastructure): Security Monitoring, Incident Response, and Service Monitoring for the telematics infrastructure (TI)
- Vulnerability management with Nexpose for gematik and the telematics infrastructure
- Vulnerability Assessment: Assessing and tracking vulnerabilities through Jira
- Security Monitoring and triage of security events with Splunk
- First Responder and Incident Handling: Initial assessment, triage, and escalation
- Service Monitoring: Monitoring critical TI services
- Documenting runbooks, playbooks, and knowledge base articles in Confluence
Kevin P.
Last position:
Industry Software from Route to Invoice
Industry Software from Route to Invoice
In Production
In use at: landscaping company, two home care services
The entire workday, digital: sign-in, route plan on the vehicle, departure checks, photo documentation, time tracking, invoicing. The tablets keep working offline and sync afterward. Records are immutable, making time tracking easier to audit. Runs on a dedicated server in Germany with continuous monitoring and remote updates.
Proof: In daily use at the landscaping company with six vehicles since September 7, 2026.
- React Native on Android tablets
- Python
- SQLite
- Two-way synchronization
- Linux server in Germany
- Remote maintenance
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.
Joerg S.
Last position:
Various short-term CTO, Enterprise Architecture Advisory for companies at various
Support for Transformation Projects:
- Expert CTO advisory and enterprise architecture consulting for several short-term transformation projects, ensuring measurable improvements in project outcomes and technical business alignment.
- Supporting strategic IT initiatives for diverse clients, driving digital transformation and optimizing technology operations to increase business value and operational efficiency.
Markus R.
Last position:
Founding at Redelstab Advisory
- Restructuring & interim management: Leading and stabilizing R&D organizations during periods of change and growth, particularly during strategic realignment, M&A or to bridge leadership vacancies
- R&D operating models: Assessing and redesigning devel...
Loic N.
Last position:
Senior System Engineer at AG Solution
- Create and lead roadmap forecasting of support opportunities, including colleague training, process design and improvement, and new hire onboarding.
- Collaborate seamlessly with cross-functional teams including Professional Services, Support, Product, Sales, and Solution Engineering.
- Manage business and financial KPIs in alignment with overall business objectives.
- Industrial IT & Data Integration: Implement, configure, and integrate OT/IT systems and data flows, connecting control-layer sources (DCS, PLC, SCADA) to historians, data platforms, and enterprise systems through APIs and standard interfaces.
- AVEVA PI & Historian: Configure, maintain, and extend AVEVA PI (PI Data Archive, Asset Framework, interfaces/connectors) to capture, contextualize, and serve real-time and historical operational data.
- Alarm Management: Support and optimize alarm management systems – e.g. Honeywell Alarm Management – including alarm rationalization, classification, and the analysis of alarm performance, critical alarms, and alarm floods.
- Connectivity & Protocols: Set up and troubleshoot industrial connectivity using OPC UA and OPC A&E, including the configuration of tunnelers / wrappers to bridge OT data sources securely and reliably.
- Production Data Flow: Ensure seamless, secure, and well-structured data flow across the industrial IT landscape, transforming raw operational data into meaningful information for operations and decision-making.
- System Support & Troubleshooting: Provide ongoing support for OT/IT applications, troubleshooting issues across networks, software, and data integrations to keep systems running efficiently.
- Knowledge Management & Best Practices: Contribute to internal documentation, best practices, and troubleshooting guides, and help continuously improve how we deliver industrial IT and data solutions.
Tools & Software: Aveva PI, Salesforce, Active Directory, Microsoft Dynamics 365, Jira, Microsoft, Scrum, DevOps, Docker, CI/CD, Jenkins, GitHub.
Eric K.
Last position:
Digital roadside assistance platform at SABK
Umut T.
Last position:
App Engineer at Tonies SE
Worked as an App Engineer as part of the IoT Control team in a React Native Stack.
- Implementing new Components based on the Tonies Design System.
- Improving, extending and maintaining Tonies Design System
- Adding new features like Volume and Playback Control of the Tonies
- Fixed connection issues via bluetooth and wifi
- Removing technical debt and polishing for an upcoming big software and hardware release
- Improving accessibility by optimizing screens and components for usage via screen readers.
- Wrote lots of automated tests to ensure app quality is always stellar.
- Weekly app releases in a high volume workload environment
Results & Impact:
- Improved app stability and connection reliability ahead of a major software and hardware release
- Raised overall app quality through a significantly broader automated test suite, catching regressions before they reached users
- Made the app usable with screen readers, improving accessibility for a wider audience
- Sustained a weekly release rhythm in a high-volume production environment without quality regressions
Technologies: react-native, expo, typescript, react-19, react-compiler, react-navigation, zustand, @tanstack/react-query, i18next, figma, app-store, play-store, sentry, bitrise, config-cat, poeditor
Christiane S.
Last position:
Freelance Marketing and PR Copywriter, B2B, IT & Cybersecurity at PER Connect (Akima Media)
- Whitepapers, case studies, landing pages, specialist articles and press releases for B2B clients from the IT and cybersecurity sectors, including TrendAI, SoftwareOne, All for One, SVA, Axians, NetApp, Indevis, Aconso
Key topics: Cybersecurity, AI, Cloud Computing, Digitalization, Big Data Analytics, Virtualization, Data Management, IoT, New Work, Data Center Modernization, SAP S/4HANA Migration
Discover over 15,000 top freelancers
Statistics of experts using Internet of Things
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
3.2 years
Positions per freelancer
12
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
93%
Master's degree or higher
64%
Doctorate
10%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
98%
Based on our profile pool as of 6 Nov 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology 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 using Internet of Things
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 6 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Internet of Things 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 (89%)
- Manufacturing (62%)
- Automotive (47%)
- Professional Services (43%)
- Healthcare (36%)
- Energy (34%)
- Banking and Finance (33%)
- Telecommunication (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Connected systems
The Internet of Things, commonly called IoT, links physical devices to software that collects, exchanges and acts on data. It can support connected products, industrial equipment, smart buildings, fleet operations, medical devices and energy systems. A complete solution usually spans hardware, connectivity, edge processing, cloud services and user applications.
IoT architecture
Strong IoT architecture separates device responsibilities from cloud and application logic. Experts define telemetry models, message flows, device identities, command handling, offline behavior and data retention. They also plan for intermittent networks, firmware changes, regional deployments and safe recovery when devices or services fail.
- Device and gateway communication
- Edge processing and event routing
- Cloud ingestion and storage
- Monitoring, alerts and operational dashboards
Ecosystem and tooling
IoT projects may use MQTT, CoAP, OPC UA, Modbus, Bluetooth Low Energy, LoRaWAN, cellular networks or Wi-Fi. Common cloud ecosystems include AWS IoT, Azure IoT and Google Cloud services, while embedded work may involve Linux, Zephyr, FreeRTOS and vendor SDKs. The right stack depends on device limits, connectivity, security needs and the required operating model.
When expertise matters
Companies bring in freelance IoT specialists when a proof of concept must become a dependable product, when device fleets need better visibility, or when data from machines is not reaching business systems reliably. Expertise is also valuable during platform migration, hardware integration, security reviews and production rollouts.
- Connecting legacy equipment to modern services
- Designing fleet provisioning and device management
- Reducing unreliable telemetry and duplicate data
- Preparing pilots for field deployment
Delivery and security
Reliable IoT delivery requires more than connecting a sensor. Professionals work across embedded software, networking, cloud infrastructure, APIs, data engineering and observability. They establish secure boot, certificate management, encrypted transport, least-privilege access, signed updates and clear ownership of device and platform operations.
Choosing a specialist
Look for a professional who can explain trade-offs between edge and cloud processing, select protocols for the actual environment, and show how devices will be diagnosed after deployment. Relevant experience should match the physical setting, connectivity constraints and compliance expectations. Strong specialists document interfaces, automate testing and make field support practical for the teams who will operate the system.
Frequently asked questions
Everything clients usually want to know about Internet of Things, in one place.
The Internet of Things connects physical devices to software so they can collect data, communicate and trigger actions. Companies use IoT for equipment monitoring, predictive maintenance, asset tracking, smart buildings, connected products and industrial automation.
IoT usually adds network connectivity, remote visibility and cloud or edge data processing to physical operations. Traditional automation may control a local process effectively, while IoT can connect information from many sites and integrate it with business systems.
Internet of Things work often requires knowledge of embedded software, networking, cloud infrastructure, cybersecurity and data engineering. Depending on the project, experience with electronics, industrial protocols, mobile applications or API design may also be important.
IoT projects need experience that matches their physical and operational risk rather than a generic technology checklist. A prototype may need strong device and cloud fundamentals, while a production fleet calls for proven provisioning, observability, security, firmware update and incident-response practices.
Internet of Things specialists can handle architecture, firmware reviews, cloud services, testing and documentation remotely when hardware and secure environments are accessible. On-site work may still be useful for installing gateways, testing radio coverage, connecting industrial equipment or investigating field behavior.
IoT solutions commonly use MQTT for lightweight messaging, CoAP for constrained devices, and OPC UA or Modbus in industrial environments. Bluetooth Low Energy, Wi-Fi, LoRaWAN and cellular connectivity may be selected according to range, power use, bandwidth and site conditions.
Internet of Things quality is visible in clear architecture decisions, realistic failure handling and practical security controls. Ask how the specialist handles device identity, intermittent connectivity, observability, updates, data ownership and support after deployment.
IoT professionals should clarify the devices involved, connectivity conditions, deployment environment, ownership of firmware and cloud accounts, and the expected production responsibilities. They should also understand whether the work covers a prototype, a pilot or an operating fleet, because each stage requires different testing and support.
The average hourly rate of freelancers who have used Internet of Things in their recent projects is 105 €, which corresponds to a daily rate of about 843 € based on an 8-hour working day.
Of the freelancers who have used Internet of Things in their recent projects, 93% hold at least a Bachelor's degree, 64% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers who have used Internet of Things in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 3.2 years.
The most common languages among freelancers who have used Internet of Things in their recent projects are German (98%), English (97%), and French (22%).
The most common industries among freelancers who have used Internet of Things in their recent projects are Information Technology (89%), Manufacturing (62%), and Automotive (47%).
The most common business areas among freelancers who have used Internet of Things in their recent projects are Information Technology (93%), Product Development (85%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Internet of Things
Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Essen 
Nuremberg 
Vienna 
Zurich Countries:
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