SS7 Experts in Germany
matched in minutes from over 15,000 CVs with the power of AI.Hire experts who work on SS7 signalling, Signalling System No. 7 interconnects, and telecom core integrations. They support routing, numbering, roaming, and migration work while keeping legacy networks stable. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used SS7
Diego Espinoza
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 Gyamlani
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 Schmalz
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.
Andreas Antoni
Last position:
International ICT Senior Project Manager / Senior Consultant at ING DIBA AG
At ING-DIBA AG, transform all local infrastructure applications into a private cloud environment as part of consolidation. This active architecture environment has high application density and represents the core of the banking business. Based on a DevOps architecture, a uniform and standardized environment will be created in the target design, which is highly scalable and meets the requirements of regulatory authorities and the bank's internal security standards.
Developed the target concept with involved departments.
Defined VPN/DNS naming conventions and network segmentation.
Designed the required load balancer system.
Created a transfer solution for non-routable IP addresses.
Identified application dependencies in the initial design.
Coordinated application owners, data protection, information security, and identity managers.
Developed a validation POC to test and optimize the cloud migration.
Defined development, test, quality, and production environments in the cloud design, considering an agent-based initial architecture.
Used existing CMDB systems and adapted the database structure in the target design.
Established an Office 365 environment for international collaboration for the migration project (classic Office environment including Power BI, SharePoint, Teams)
Amit Vitekar
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 Budzyn
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 Mirny
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
25 years
Position duration
1.6 years
Positions per freelancer
20
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
50%
Certifications per freelancer
6
Most common languages
German, English, Spanish
Speak two or more languages
86%
Based on our profile pool as of 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
SS7 in practice
SS7 is the signalling layer behind many public telecom networks. It carries control messages for call setup, SMS delivery, roaming, and number translation. Companies bring in SS7 specialists when those signalling paths need to stay reliable across carrier and core network systems.
Where it is used
- Voice call setup and teardown across carrier networks
- SMS routing and message delivery flows
- Mobile roaming and subscriber lookup processes
- Number portability and call routing logic
- Interconnects between operators and legacy core systems
Common tooling
SS7 work often touches signalling gateways, SBCs, probes, protocol analyzers, and network management systems. Strong professionals understand MAP, ISUP, TCAP, SCCP, and the way these layers behave in live traffic. They can read traces, spot malformed messages, and trace failures across adjacent telecom systems.
When companies need help
Freelance expertise is useful during outages, network changes, security reviews, and migrations from older signalling paths. Teams also look for help when they need to integrate vendors, stabilize interconnects, or debug messages that only fail between carriers. In Germany, this often means working with distributed teams and clear technical documentation.
What strong specialists do
Good SS7 experts do more than read protocol names. They work from call traces, message flows, routing tables, and operational logs, then turn that into fixes the network team can apply. They know where legacy signalling breaks, how to isolate the fault domain, and how to keep change windows tight.
Skills that matter
- Signalling analysis and trace review
- MAP, ISUP, TCAP, and SCCP knowledge
- Telecom core and interconnect troubleshooting
- Security awareness around signalling exposure
- Clear handover work with network teams and vendors
Frequently asked questions
Need clarity? These are the questions we hear most often about SS7.
SS7 is the signalling system that carries control messages, not user voice or data itself. It helps set up calls, route SMS, support roaming, and manage number-related functions across carrier networks. That is why companies still need specialists who can work across legacy and live telecom environments.
Yes. SS7 is the common short name for Signalling System No. 7. In search and project briefs, you may also see related terms such as C7 or specific protocol layers like MAP, ISUP, TCAP, and SCCP.
SS7 is the older signalling stack used widely in classic telecom core networks, while SIP is more common in IP voice and Diameter is often seen in LTE and newer control planes. In practice, many networks still run SS7 alongside newer systems. A strong specialist understands how traffic moves between them during interconnect and migration work.
A strong SS7 specialist usually also knows telecom routing, interconnects, signalling traces, and network troubleshooting. Familiarity with MAP, ISUP, TCAP, and SCCP matters, as does experience with probes, gateways, and vendor documentation. Security awareness is important because signalling exposure can affect call routing and subscriber data flows.
A SS7 freelancer is useful when a carrier link is unstable, SMS delivery breaks, roaming fails, or a migration touches legacy signalling. Teams also bring in specialists for trace analysis, vendor integration, and short-term recovery work after an incident. It is a good fit when the problem is technical and time-sensitive.
Yes, much of SS7 analysis can be done remotely if the specialist has secure access to traces, logs, and test systems. On-site work helps when the issue sits in live network hardware, cross-vendor interconnects, or sensitive change windows. In Germany, many teams use a mix of remote analysis and local coordination.
Look for clear evidence that the SS7 specialist has solved real signalling problems, not just listed protocol names. Good signs are trace-based explanations, structured troubleshooting, and the ability to describe how they work with carriers, vendors, and network teams. You want someone who can narrow the fault quickly and explain the fix plainly.
Not every SS7 assignment needs a very long background, but the work does need real hands-on signalling experience. Short recovery tasks may suit a focused expert with strong trace-reading skills, while migrations and core changes usually need broader telecom knowledge. The best match depends on whether the job is diagnostic, operational, or integration-heavy.
The average hourly rate of freelancers in Germany who have used SS7 in their recent projects is 110 €, which corresponds to a daily rate of about 880 € 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 50% hold at least a Master's degree.
On average, freelancers in Germany who have used SS7 in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Germany who have used SS7 in their recent projects are German (100%), English (86%), and Spanish (29%).
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 (71%).
The most common business areas among freelancers in Germany who have used SS7 in their recent projects are Information Technology (100%), Product Development (71%), and Project Management (71%).
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
