SS7 Experts in Germany
matched in minutes from vetted and available professionals with the power of AI.Hire experts who work on call setup, number translation, roaming signaling, and interconnect troubleshooting across SS7, MAP, and ISUP. Get fast, precise matching with vetted, available professionals.
Meet FRATCH Experts in Germany, who have recently used SS7
Diego E.
Last position:
RPG Software Developer from RPG III to Free Format
- Development of software and system support for RPG development.
- Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
- Performing integration tasks, data management as well as applying and managing system updates.
- User support and training to ensure smooth system operation.
Nikhil G.
Last position:
Co-founder / Solution Architect at Lima Care GmbH
- Developed a comprehensive business concept for a medical fall detection device based on a patented process registered in Germany
- Identified and collected use cases for medical device deployment in residential buildings and healthcare provider facilities
- Expanded the product scope to industry standards such as HL7/FHIR and designed a product based on modern communication protocols for IIoT
- Supported offshoring activities, defined SLA and scope-of-work documents for development teams after selecting various vendors
- Identified and selected hardware components (Terrabee, E-Con Systems) for LIDAR/TDOA functions
- Defined integrated AI features and LLM models for patient fall detection as well as AI-based audio triggers
- Oversaw the implementation of algorithms for object detection, fall detection, and false alarm identification
Erik S.
Last position:
Project Manager, Subproject Manager, PMO at Martinswerk GmbH / Huber Advanced Materials
- Filled a short-term staffing gap for this project.
- Continued multiple projects and cleared documentation backlogs.
- Familiarized the support team with agile practices (self-organization, task prioritization).
- Took over project control and stakeholder management.
- Acted as the communication link between technical staff, users, and project owners.
- Served as Agile Coach for the team.
Amit V.
Last position:
Security Consultant (Ethical Hacker) at Security Research Labs (SRLabs)
- Led telecom security testing team & SOC deployments across Tier-1 carriers; reduced critical vulnerabilities by 30%.
- Conducted 5G/O-RAN fuzzing, penetration testing, and vulnerability research (basebands, RAN, core).
- Designed testbeds for protocol fuzzing (AFL++, LibAFL) on 5G stacks.
- delivered client workshops on secure telecom with AI assisted workflows.
- Researched AI-driven SOC and penetration testing (LLMs for log triage, anomaly detection, adversarial monitoring).
Michal B.
Last position:
Senior Golang Engineer at STACKIT / Schwarz Gruppe
- Responsible for software engineering and DevOps in the Data & AI Platform - Intake and PubSub projects at STACKIT, the cloud provider of the Schwarz Group.
- Technologies: Golang, Kubernetes, Kubernetes operators, OpenAPI v3, REST API, Azure DevOps, CI/CD, k6, Kafka, Strimzi, Apache Iceberg, RBAC, IAM, Terraform, Helm, Infrastructure automation, Load balancing, Traefik, ArgoCD, kuttl, Kyverno chainsaw, Kustomize, Velero, Prometheus, Grafana, Checkly / Playwright (TypeScript), NATS/Jetstream, WebSockets, gRPC, SSE
Konstantin M.
Last position:
Architect, Software Developer at IPG Photonics
- Defined initial system and software architecture
- Implemented application modules and hardware control layers
- Built test and mock environments to support validation
- Developed hardware drivers and low-level communication routines
- Authored technical documentation for internal and external stakeholders
- Tools: C/C++, QML, Linux, Windows, Raspberry PI, MQTT, CAN, Serial
Discover over 15,000 top freelancers
Statistics of experts using SS7
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
1.8 years
Positions per freelancer
17
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Telecommunication, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
60%
Certifications per freelancer
5
Most common languages
German, English, Spanish
Speak two or more languages
83%
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 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 of experts in Germany using SS7
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.
SS7 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 (100%)
- Telecommunication (100%)
- Banking and Finance (67%)
- Manufacturing (50%)
- Retail (50%)
- Advertising (33%)
- Food and Beverage (33%)
- Healthcare (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SS7 does
SS7, or Signalling System No. 7, is the signaling stack that carries control traffic for public telecom networks. It sets up calls, routes messages, supports roaming, and connects legacy voice and messaging systems through MAP, ISUP, and SCCP.
Where it is used
- Mobile core and interconnect networks
- Voice call setup and release
- SMS routing and message delivery
- Roaming and subscriber lookup
- Number translation and signaling interworking
Stack and protocols
Strong SS7 professionals work across the wider telecom signaling ecosystem, not only the protocol itself. They know MAP for mobility services, ISUP for call control, SCCP for routing, TCAP for transaction handling, and the transport layers that carry signaling between switches and network elements.
When companies need help
Companies usually bring in freelance expertise during network changes, interconnect issues, migration work, or security reviews. This is common when legacy voice, mobile core, and messaging services must keep working while carriers, vendors, or routes change.
What strong specialists bring
A good SS7 specialist reads signaling traces, follows message flow end to end, and isolates faults fast. They understand numbering plans, roaming behavior, vendor differences, and the boundary between signaling, voice, and SMS delivery.
Germany projects
In Germany, SS7 work often sits close to carrier operations, roaming, and enterprise telecom integration. Remote collaboration is common for trace analysis and configuration work, while on-site time can help when teams need live troubleshooting with network access and operations staff.
Frequently asked questions
Need clarity? These are the questions we hear most often about SS7.
SS7 is the signaling system that controls how telecom networks set up calls, route messages, and handle roaming and subscriber services. It is still central in legacy voice and SMS paths, especially where public networks and mobile cores need to interconnect.
SS7 is older and is tied closely to traditional carrier signaling, while SIP is more common in IP voice and Diameter is used in newer mobile core functions. In many networks, SS7 still matters because it connects systems that have not fully moved to IP-based signaling.
A strong SS7 professional usually knows MAP, ISUP, SCCP, TCAP, and telecom numbering plans. Experience with roaming, interconnect routing, trace tools, and vendor-specific signaling behavior is also important.
SS7 specialists are often brought in for call setup faults, SMS routing issues, roaming errors, and interconnect mismatches. They also help with migrations, protocol conversion, and signaling security reviews where legacy network paths must stay stable.
A SS7 project usually needs someone who has worked on live carrier networks and can follow signaling traces without guesswork. The right level depends on whether the task is configuration, debugging, or a larger migration across several network elements.
Much SS7 work can be done remotely because trace review, message analysis, and configuration changes do not always require a local presence. On-site time helps when teams need access to sensitive network environments or want faster coordination during live incidents.
Look for clear thinking, trace-based troubleshooting, and a solid grasp of signaling flows from end to end. A strong SS7 specialist explains what each message means, finds the fault path quickly, and understands how changes affect surrounding telecom services.
Yes, SS7 and Signalling System No. 7 are the same technology. Some people also search for the full name when they need help with carrier signaling, roaming, or legacy mobile and voice infrastructure.
The average hourly rate of freelancers in Germany who have used SS7 in their recent projects is 105 €, which corresponds to a daily rate of about 841 € based on an 8-hour working day.
Of the freelancers in Germany who have used SS7 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 Germany who have used SS7 in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Germany who have used SS7 in their recent projects are German (100%), English (83%), and Spanish (33%).
The most common industries among freelancers in Germany who have used SS7 in their recent projects are Information Technology (100%), Telecommunication (100%), and Banking and Finance (67%).
The most common business areas among freelancers in Germany who have used SS7 in their recent projects are Information Technology (100%), Product Development (67%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used SS7
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
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Philipp Thomaschewski
FRATCH CEO
