TCP/IP Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design network communication, troubleshoot routing and transport issues, and connect cloud, data centre and IoT environments through TCP/IP. FRATCH finds a precise match with vetted, available freelancers quickly.
Meet FRATCH Experts in Berlin, who have recently used TCP/IP
Hendrik W.
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Adding/creating test specifications
- Performing regression tests
- Performing release tests
- Analyzing Jira tickets
- Identifying software defects and fixing them with C#
Victor O.
Last position:
AI Training Engineer at Confidential AI Research Client
- Codebase Evaluation & Problem Design: Designed and stress-tested complex software engineering problems against large open-source Python codebases (including pandas), requiring deep context acquisition and architectural understanding to produce well-scoped, realistic problem statements aligned to strict correctness guidelines.
- Agent Failure Analysis: Assessed LLM coding agent solutions for correctness and completeness, identifying meaningful failures across edge case handling, dtype behaviour, and multi-column NaN propagation logic; documented findings with precision for downstream evaluation use.
- Programmatic Test Suite Development: Authored comprehensive pytest suites to programmatically verify agent-generated solutions against defined requirements, with deliberate coverage of boundary conditions and failure modes not caught by naive implementations.
- Containerised Environment Engineering: Built and debugged Docker environments for reproducible agent execution, including git-based repository provisioning, dependency pinning with npm ci, and multi-stage Dockerfile authoring across Linux-based containers.
Raj U.
Last position:
Courier / Operations Support at Closer Go Germany GmbH
- Work within time-critical operating procedures; coordinate issues with customers, partners and central support.
- Maintain reliable handovers and concise incident communication when service, equipment or routing issues occur.
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Mohsin H.
Last position:
BBM GenAI MiDAS program coordinator for Bosch eBike at Robert Bosch GmbH
The MiDAS program aims to integrate Generative AI across the entire BBM organization. My role is to enable the eBike division to adopt and leverage Generative AI by collaborating closely with the MiDAS team in India.
Management:
- Enable the eBike division to adopt GenAI through tailored solutions.
- Collaborate with the MiDAS team in India to design solutions for Generative AI use cases specific to the eBike division.
- Coordinate with the eBike teams to integrate GenAI systems, tools, plugins, and services provided by the MiDAS team.
- Plan roadmaps with eBike and MiDAS India team Product Managers for the delivery and integration of Generative AI solutions.
Kornél L.
Last position:
Computer Vision Algorithm Engineer (contract) at Sony R&D Center, Stuttgart Laboratory 1
- Conducted research and development in the field of large-scale 3D reconstruction
Basel J.
Last position:
Senior Application Engineer / Product Manager at Altran Magnetics LLC
- Oversee development and optimization of key products, including DP contactors, EMI filters, and circuit breakers.
- Lead certification processes ensuring compliance with UL, TÜV, and VDE standards.
- Act as technical liaison between customers, sales teams, and manufacturing to deliver customized solutions.
André G.
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Ensar Y.
Last position:
Service Manager Microsoft Cloud Services (ITIL) at Industry (technology group)
- Took on the role of Service Manager for Microsoft 365 and Azure services
- Coordinated service providers in the areas of collaboration and security (Exchange Online, Teams, Azure AD)
- Monitored and optimized SLA-compliant operating processes (Incident, Change, Problem)
- Worked closely with internal IT management and integrated ITIL processes into Azure DevOps
- Microsoft Azure, Exchange Online, Teams, Azure AD, ITIL v4, Azure DevOps, Power BI, ServiceNow
Matthias K.
Last position:
Requirements Manager (freelance) at Bundesdruckerei GmbH
- Maintenance of the product backlog in collaboration with the PO
- Analysis and alignment of requirements
- Creation of process documentation and status reports
- Definition of workflows
- Preparation and moderation of agile meetings
Peter K.
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Anuja C.
Last position:
Embedded Software Engineer at Digital Core Technology
- Designed and implemented embedded firmware in C/C++ for ARM-based microcontrollers and SoCs (STM32, NXP, Infineon)
- Worked across bare-metal, FreeRTOS, and Embedded Linux environments, contributing to BSP-level functionality, driver bring-up, and system integration
- Built, configured, and validated Embedded Linux systems using Yocto, including image build, boot validation, and runtime debugging
- Developed and executed unit, integration, and system-level tests, including HIL and SIL test scenarios on real hardware and simulated environments
- Created Python and Bash scripts to automate build, test execution, simulation runs, and reporting within CI/CD pipelines (Jenkins, GitLab CI)
- Designed test cases from software and system-level requirements, covering normal operation, edge cases, and failure scenarios
- Performed low-level debugging using JTAG/GDB, analyzing boot issues, timing problems, interrupts, and peripheral behavior
- Developed and validated communication interfaces including UART, SPI, I2C, CAN using logs and external measurement tools
- Used simulation and virtual test environments to validate software behavior prior to hardware availability
- Read and interpreted hardware schematics to understand signal routing, pin multiplexing, and peripheral connections
- Supported PCB design and review activities using Altium tool, assisting with component selection, pin mapping, and bring-up readiness
- Collaborated with cross-functional hardware, firmware, and system teams to clarify requirements, document assumptions, and improve overall test coverage
- Developed web interfaces using HTML, CSS, and JavaScript (ES6) and basic REST API development with Node.js
- Experience testing web applications and building UI automation frameworks using Selenium WebDriver
Florian R.
Last position:
Network Administrator at Smartconnect Berlin
- Configuration and management of routers and switches (e.g., Cisco, HP)
- Design and expansion of networks in corporate environments
- WLAN site surveys and optimization (e.g., with Ekahau, NetSpot)
- Implementation of security policies and access controls
Mostafa S.
Last position:
Embedded Firmware Engineer at Esko-Graphics Imaging GmbH
- FPGA code conversion from AHDL to Verilog and SystemVerilog (Altera Cyclone)
- IDE: Intel Quartus Prime (Altera)
- Code simulation: QuestaSim
- Timing analysis
Varsha S.
Last position:
Embedded Engineer (Working Student) at Lautsprecher Teufel GmbH
- Proficient in using JIRA for sprint planning, bug reporting, and task management.
- Modified and enhanced embedded C/C++ firmware code on STM32, ESP32 and ARM-based MCUs and SoCs.
- Debugged and fixed embedded software issues; managed code with Git/GitLab (commits, merge requests, reviews).
- Created and maintained test cases and test plans using Testmo.
- Debugged and validated firmware builds; provided detailed bug reports.
- Executed manual tests across development stages.
- Familiar with RTOS concepts and implementation, including task scheduling and interprocess communication for real-time embedded systems.
- Managed planning and execution of acceptance and regression testing.
- Supported mobile app and system-level testing for audio streaming device.
- Tested communication protocols (HTTP, I2C, SPI, UART) and API interactions.
- Used terminal tools and SSH to debug embedded Linux systems.
Discover over 15,000 top freelancers
Statistics of experts using TCP/IP
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 26 years)
Position duration
3.1 years (Germany: 3.2 years)
Positions per freelancer
16 (Germany: 19)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
86% (Germany: 87%)
Master's degree or higher
57% (Germany: 55%)
Doctorate
7% (Germany: 11%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
German, English, French
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 Berlin 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 Berlin using TCP/IP
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.
TCP/IP 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 (95%)
- Manufacturing (63%)
- Automotive (47%)
- Education (37%)
- Energy (37%)
- Telecommunication (37%)
- Healthcare (32%)
- Transportation (32%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Network foundation
TCP/IP is the core communication model behind the internet and most private networks. The Internet Protocol Suite combines IP for addressing and routing with TCP for reliable, ordered delivery; related protocols support naming, configuration, diagnostics and application traffic. Experts use it to connect users, services, devices and data across local and wide-area networks.
Where it runs
TCP/IP supports web services, APIs, email, file transfer, voice and video, remote access, cloud workloads and connected devices. It operates across office networks, data centres, carrier links and hybrid environments. In Berlin, companies across technology, media, manufacturing and logistics rely on professionals who can keep these connections stable as systems move between sites and cloud services.
- Plan IP addressing and subnetting
- Configure routing, switching and network segments
- Connect on-premises infrastructure with cloud networks
- Diagnose latency, packet loss and failed connections
Ecosystem and tools
Strong TCP/IP work includes DNS, DHCP, HTTP, TLS, SSH, VPNs, firewalls and network address translation. Specialists may work with IPv4 and IPv6, routing protocols, load balancers, Linux or Windows networking, and cloud networking services. Packet capture and analysis tools such as Wireshark, tcpdump and flow monitoring help reveal what is happening on the wire.
When expertise matters
Companies bring in freelance specialists when a network must be redesigned, migrated or made more resilient without disrupting operations. External expertise is also useful during outages, security reviews, cloud adoption, office moves and performance investigations. A specialist can work remotely for analysis and configuration, while on-site collaboration may help with hardware, cabling or controlled change windows in Berlin.
- Replace flat networks with secure segments
- Investigate recurring connection failures
- Prepare IPv6 or hybrid-cloud adoption
- Document topology, rules and operational procedures
What strong professionals deliver
Experienced professionals start with traffic flows, dependencies and failure modes rather than changing settings at random. They explain trade-offs between reliability, performance, security and operational simplicity. Their deliverables can include an address plan, network diagrams, firewall and routing rules, monitoring requirements, migration steps and clear runbooks.
How to assess fit
Ask for examples of TCP/IP incidents or network changes similar to yours, including the symptoms, evidence gathered and outcome. Look for practical knowledge of packet behaviour, routing, name resolution, transport ports and security controls, not only familiarity with product interfaces. A strong specialist communicates risk clearly, documents every change and tests recovery before declaring the work complete.
Frequently asked questions
The facts hiring teams ask for most often when it comes to TCP/IP.
TCP/IP is used to move data between devices and services across local networks, the internet and private wide-area networks. It supports applications such as websites, APIs, email, cloud services, remote access and connected equipment.
TCP/IP is a practical protocol suite used to implement network communication, while the OSI model is mainly a conceptual framework for describing network functions. Professionals often use the OSI layers for analysis, but configure real systems through TCP/IP protocols and vendor tools.
A strong TCP/IP specialist usually understands DNS, DHCP, routing, switching, firewalls, VPNs and network monitoring. Cloud networking, Linux administration, IPv6, automation and security knowledge are valuable when the work spans modern infrastructure.
The right level depends on the risk and scope of the work. TCP/IP troubleshooting for a small environment may need focused diagnostic expertise, while a migration, resilient data-centre design or complex incident calls for a professional who has handled comparable network changes.
Much of TCP/IP work can be done remotely through secure access, logs, configuration exports and packet captures. On-site presence can still matter in Berlin when the project involves physical equipment, cabling, hardware replacement or a tightly controlled maintenance window.
Companies often bring in a TCP/IP freelancer for recurring outages, slow applications, cloud connectivity problems, network segmentation or an upcoming migration. Freelance expertise is useful when the internal team needs an independent diagnosis or specialist capacity for a defined change.
Ask the professional to explain how they would isolate a fault across the application, transport and network layers. Good TCP/IP expertise is shown by evidence-led troubleshooting, careful change planning, useful documentation and validation of both normal traffic and failure recovery.
Yes. TCP/IP covers both IPv4 and IPv6 environments, although addressing, neighbour discovery, configuration and security details differ. A capable specialist can assess coexistence requirements, identify application or device constraints and plan a controlled transition rather than treating IPv6 as a simple address-format change.
The average hourly rate of freelancers in Berlin, Germany who have used TCP/IP in their recent projects is 91 €, which corresponds to a daily rate of about 725 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used TCP/IP in their recent projects, 86% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Berlin, Germany who have used TCP/IP in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Berlin, Germany who have used TCP/IP in their recent projects are German (100%), English (100%), and French (21%).
The most common industries among freelancers in Berlin, Germany who have used TCP/IP in their recent projects are Information Technology (95%), Manufacturing (63%), and Automotive (47%).
The most common business areas among freelancers in Berlin, Germany who have used TCP/IP in their recent projects are Information Technology (95%), Product Development (74%), and Project Management (68%).
Main locations of FRATCH Experts, who have recently used TCP/IP
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf Countries:
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