TCP/IP Experts in Berlin
to connect secure systems with vetted, available professionals matched in minutesHire experts who design reliable IP networks, troubleshoot TCP performance and connect cloud, data centre and enterprise environments. Get fast, precise matching with vetted, available freelancers in Berlin.
Meet FRATCH Experts in Berlin, who have recently used TCP/IP
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.
Nick R.
Last position:
IT Onside Support at Public Administration
- Mobile Device Management (MDM) for iOS devices (iPads, iPhones)
- Management, configuration and rollout of policies, apps and security measures
- eSIM setup & management as well as management of mobile plans and contracts
- User management (create, block, delete) in the SecurePIM security solution
- Device registration, preparation and setup of devices with Windows 10/11 and peripherals
- 1st & 2nd level support and handling of IT requests via the ticket system
- Troubleshooting, fault isolation and repair of devices
- Creating and maintaining guides, training new users and handling user questions
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.
Hendrik W.
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Add/create test specifications
- Conduct regression tests
- Conduct release tests
- Analyze Jira tickets
- Identify software defects and fix them with C#
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: 54%)
Doctorate
7% (Germany: 10%)
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 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin 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 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 19 Sep 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 foundations
TCP/IP is the core protocol suite that lets computers, services and network devices exchange data across local networks and the internet. Internet Protocol handles addressing and routing, while Transmission Control Protocol provides ordered, reliable delivery; UDP supports faster, connectionless traffic where that trade-off fits.
Protocol ecosystem
Professionals work across IPv4 and IPv6, DNS, DHCP, ARP, ICMP, HTTP, TLS, SSH and VPN protocols. Their toolkit may include packet capture, routing tables, firewalls, load balancers, network monitoring and cloud networking services. Strong knowledge of Ethernet, subnets, NAT and BGP helps connect the layers correctly.
Typical delivery work
- Design address plans, subnet structures and routing policies
- Connect offices, data centres, cloud networks and edge environments
- Diagnose latency, packet loss, congestion and failed connections
- Secure traffic with segmentation, firewall rules, VPNs and access controls
- Document network flows, dependencies and operational procedures
When expertise matters
Companies bring in freelance TCP/IP specialists when a network migration, cloud connection or security change must work without disrupting critical services. They also help when symptoms appear across several layers and internal teams need a clear path from packet evidence to root cause. In Berlin, this can support local teams while keeping remote work practical through shared captures, diagrams and monitoring data.
Connected technologies
TCP/IP work often overlaps with Linux, Windows Server, Kubernetes, virtualisation and public cloud networking. It may also involve Cisco or Juniper equipment, SD-WAN, reverse proxies, observability tools and infrastructure automation. The right professional understands how application behaviour, operating systems and network policy affect each other.
What strong professionals bring
A strong specialist separates transport, routing, name resolution and application problems instead of treating every outage as a generic network fault. They validate assumptions with packet traces and controlled tests, explain risk in plain language and leave precise documentation behind. For Berlin-based collaboration, clear communication in English and, where needed, German can make on-site workshops and remote handovers smoother.
Frequently asked questions
The facts hiring teams ask for most often when it comes to TCP/IP.
TCP/IP enables devices and applications to communicate across local networks, private infrastructure and the internet. Companies rely on it for web services, APIs, email, remote access, cloud connectivity, file transfer and many other networked workloads.
TCP/IP is a broad protocol suite rather than a single protocol. TCP prioritises reliable, ordered delivery, while UDP reduces overhead for traffic such as voice, video or discovery; a specialist chooses between them based on latency, loss tolerance and application needs.
TCP/IP work benefits from knowledge of DNS, DHCP, IPv4, IPv6, routing, firewalls and VPNs. Depending on the assignment, useful adjacent skills include Linux, cloud networking, Kubernetes, network automation, packet analysis and security monitoring.
TCP/IP experience should match the project’s scale and risk, not a fixed time period. Look for evidence of comparable work such as network migrations, segmentation, cloud interconnection, incident analysis or performance investigations, supported by clear technical documentation.
TCP/IP projects can often be handled remotely using diagrams, configuration reviews, packet captures and observability data. On-site access may still help with cabling, hardware changes or workshops, so agree early on access controls, maintenance windows and communication language.
TCP/IP quality shows in structured diagnosis and careful change control. Ask a candidate to explain how they would isolate a name-resolution failure, packet-loss issue or routing problem, then check whether they use evidence, consider rollback plans and communicate impact clearly.
TCP/IP expertise is valuable when an outage crosses application, cloud and network boundaries, or when a migration could affect critical services. A freelancer can provide focused investigation, design review or implementation support without taking ownership away from the internal team.
TCP/IP specialists commonly use packet analysers, flow data, DNS tools, route inspection, firewall logs and network monitoring systems. They may also work with equipment and services from Cisco, Juniper, Linux distributions and major cloud providers, depending on the environment.
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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