Cryptography Experts in Germany
matched in minutes from over 15,000 CVs with the power of AI.Hire experts who secure data in transit and at rest, design key management and PKI, and review encryption use in cloud, apps, and infrastructure. FRATCH helps you find vetted, available freelancers fast and with precision.
Meet FRATCH Experts in Germany, who have recently used Cryptography
Sandra Klinkenberg
Last position:
Webinar Leader - Blackout Prevention and Preparation at SANDRA KLINKENBERG • Management Consultant, self-employed independent business consultant
- Webinar on Blackout - Brownout - Power failure - how do I recognise it and what can I do?
Steffen Lotze
Last position:
Consultant for BSI baseline protection and ISO 27701 at Society for International Cooperation
- Support in building and further developing the information security management system
- Cooperation with external consultants in the certification team for the support structure
- Involvement in project planning, identification, and implementation of the necessary measures according to BSI IT baseline protection
- Professional support for in-house subject matter experts in creating the documents required for certifications
- Carrying out the work according to BSI 200-2
Laurin Hagemann
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Stefan Amann
Last position:
Sole Architect and Developer at Bauernhof-Eis Stangl GbR
Design and implementation of a compact ERP, CRM, accounting, and production-planning platform for a German food manufacturer. The system replaces Rechnung11, self-built Excel sheets, and manual processes for fewer than 10 internal users.
- Designed and implemented the full platform architecture as sole architect and developer.
- Built modules for customer management, B2B order handling, invoicing, production planning, and accounting support.
- Implemented DATEV export, ZUGFeRD/XRechnung e-invoicing, FinTS bank statement synchronization, and GoBD audit trail concepts.
- Used AI-supported workflows for prototyping, test support, and implementation acceleration while retaining full architecture, review, testing strategy, and technical ownership.
Technology: Java 23, Spring Boot 3, Spring Data JPA, Spring Security, Vue 3, TypeScript, PostgreSQL, Flyway, REST, OpenAPI, JWT, TOTP, RBAC, DATEV, FinTS, ZUGFeRD, XRechnung, GoBD, JUnit, Mockito, Testcontainers, Playwright, Docker, GitLab CI/CD
Noel Lang
Last position:
Founder & Lead Engineer at ausbildung-in-der-it.de
- Platform established and running stably; deliberately reducing my involvement to refocus on an engineering mandate in the financial sector.
- Built an own SaaS learning platform from the ground up and scaled it to over 20,000 users (over 6,000 courses sold, B2C and B2B); end-to-end ownership from development through infrastructure to operations.
- Built a lab environment that provisions an isolated Linux container per user (Docker, Traefik, Go), including automatic provisioning and a dedicated subdomain per user.
- Integrated LLM features into the product and accelerated development end-to-end with AI-assisted workflows (Claude Code, Codex); CI/CD with automated tests.
Baris Ekici
Last position:
Founder / Product & Security Architect at Pirpirik
- Perform secure code reviews and provide secure-coding guidance across the application and platform architecture.
- Engineer infrastructure security and design security-monitoring architecture, incident-response playbooks and Security-by-Design controls.
M. S.
Last position:
Security consulting, audits & assessments
- Innovation/pilot project eHealth Germany
- SaaS company in the media sector, NRW
- Secure software development lifecycle, NRW
- BSI IT baseline protection assessments for multiple clinics
Alex Volnov
Last position:
CTO, Co-Founder, Cryptography(incl. Post-Quantum Cryptography) and AI Security Expertise at AISLEIPNIR
- Integration of Post-Quantum Cryptography (PQC) algorithms into high level protocols.
- Security of implementations of Post-Quantum Cryptography algorithms.
- Transition to Post-Quantum public key infrastructures.
- Security evaluations of Post-Quantum Cryptography (PQC) primitives.
- Drone Cybersecurity
- Satellite Cybersecurity
- AI Security
Federico Leefhelm
Last position:
Senior IAM Manager & Single Point of Contact for Information Security at EnBW Energie Baden-Württemberg AG
As the only large integrated energy company in Germany, EnBW covers the entire value chain - from energy production through distribution to customers. It expands its renewable energy sources, advocates for a socially responsible coal exit, and drives key technologies like green hydrogen. A rapid energy transition and achieving climate neutrality by 2035 are priorities for EnBW. Developed and implemented a holistic process view covering both technical and organizational aspects Ensured end-to-end control of all IAM-related technical services Established clear responsibilities and accountabilities within the IAM landscape Collaborated with different departments to identify and optimize a holistic architecture and act as Single Point of Contact (SPoC) for Information Security Introduced and monitored governance policies to ensure compliance and security Continuously improved IAM processes and systems through regular audits and evaluations Participated in external audits of the process as part of official ISO audits Further developed the policy for setting administrative requirements and procedures and aligned it with administrative units Conceptually advanced the KPI system to measure process quality
Stanislaus Stelle
Last position:
Security Consultant at Rohde & Schwarz AG at Star Labs GmbH
- Worked on FPGA enhanced network encryption device with secure boot, TPM2.0 and smart card integration for BSI approved usage with Post Quantum Cryptography
- Developed and audited Linux drivers
- Collaborated using GitLab, Gerrit, Confluence and Jira
- Technologies: C, C++, Secure Boot
Björn Bausch
Last position:
Project Manager NIS-2 at Chemicals Group
- Basic NIS-2 impact assessment
- NIS-2 registration
- Conducting a current state analysis
- Creating the requirements specification
- Monitoring the implementation of NIS-2 compliance
- Establishment of reporting procedures in the context of NIS-2
- Risk analysis and security for information systems
- Handling security incidents
- Maintenance and recovery, backup management, crisis management
- Supply chain security, interfacility security, third-party security
- Security in development, procurement and maintenance, vulnerability management
- Evaluating the effectiveness of cybersecurity and risk management
- Cybersecurity and cyber hygiene training
- Cryptography and encryption
- Personnel security, access control and asset management
- Multi-factor authentication and continuous authentication
- Secure communication (voice, video and text)
- Secure emergency communication
Martin Grambauer
Last position:
SAP Test Data Management Consultant at Siemens AG
End-to-end quality assurance in a global S/4HANA transformation program.
Automated test data setup, evaluation of search and generation solutions, and PoC execution (K2View, EPI-USE).
Coordination between Siemens teams and external partners, and structured knowledge transfer to internal stakeholders.
Created a basis for PoC decisions and sped up tool selection.
Standardized test data provisioning and noticeably reduced lead times.
Established governance for test data processes (policies, roles, KPIs).
Sustainable know-how transfer: empowered internal teams to operate solutions on their own.
Methods & technologies: S/4HANA, SAP, K2View, EPI-USE, test data management, data masking, data provisioning, test strategy, test management, coaching & enablement, Azure DevOps, Microsoft Office 365, Gemini.
Jad Nohra
Last position:
Software Developer at Side Project
- Vram.run: Rust, TypeScript, HF Inference API with 19 providers, 220+ HW configs, and 30+ cloud GPUs. Search a model to see which API providers serve it, which GPUs can run it locally (and how fast), and what cloud rental would cost. Or search your hardware and see what fits. Also includes a Rust CLI.
- Psychotron: JavaScript, Web Audio API, AudioWorklet, Canvas 2D. Front-end for flash fiction audiobook with Web Audio DSP chain featuring pitch-shifting, 12-voice chorus, flanger, 13-band EQ, and convolver reverb. Includes a 2D canvas effect morphing engine and synchronized teleprompter.
- RecentWork: Swift, macOS, FSEvents, launchd. macOS daemon that watches project directories and maintains a flat folder of symlinks to recently modified files. Homebrew installable.
- Mini-llm: Bash, macOS, launchd, Ollama, llama.cpp, MLX, Open WebUI. Single command that turns a Mac Mini into a headless AI server.
- ThatSlop: JavaScript. Chrome/Firefox extension for AI content detection on LinkedIn and Twitter.
- Smux: Bash, tmux. Human-friendly tmux wrapper that is Homebrew installable.
- Learn Rust Course: Rust. Course on Rust’s memory model for C++ programmers, written from experience of transitioning from C++ to Rust at Irreducible.
Georg Danebrock
Last position:
Senior Project Manager at Apleona GmbH
- Project review, restructuring, and PM for the migration of a total of 12,000 Windows workplace systems (650 applications) from SCCM and Empirum/Matrix42 to MS-Intune after a merger.
- Took over a heavily delayed / not ideally managed project in the role of the "firefighter".
- Completely revised and adjusted/updated the planning of the customer and the involved service provider.
- Introduced planning baselining as well as tracking/mitigation of current risks.
- Introduced an efficient, partially automated planning/reporting interface between MS Project Planning (service provider) and Jira (customer).
- Restructured meetings to increase efficiency and remove redundant appointments.
- Completed the analysis and design phase and created base data for migrations from heterogeneous systems of the two merged companies.
- Started the User Acceptance Test (UAT).
- Technologies: MS Autopilot, Zero Touch.
Bernhard Bowitz
Last position:
Senior Security Architect at Intermediate Beratung
- Consulting on an ongoing IT security architecture project
- Documenting past progress and planning next steps
- Applying and implementing the BSI IT baseline protection
- Building and maintaining security management systems
- Applying the ISO 27001 standard series
- Integrating ITIL processes into security architectures
- Collaborating with public clients, regulatory authorities and internal and external service providers
Discover over 15,000 top freelancers
Statistics of experts using Cryptography
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.3 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Quality Assurance, Audit
Bachelor's degree or higher
90%
Master's degree or higher
61%
Doctorate
23%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
95%
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 Cryptography
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
Encryption basics
Cryptography is used to protect data, verify identity, and keep systems trustworthy. It shows up in secure messaging, payment flows, device security, document protection, and access control. Good work starts with clear goals: confidentiality, integrity, authenticity, or all three.
Common work
- TLS and certificate setup
- Key management and rotation
- Public key and symmetric encryption design
- Hashing, signing, and verification
- Secure storage and secrets handling
Strong specialists do more than pick an algorithm. They choose the right pattern for the risk, the data, and the system that must run every day.
Tooling and standards
Cryptography work often touches OpenSSL, PKI, HSMs, cloud key services, and security libraries in Java, .NET, Python, or Go. Experts also work with certificate chains, OAuth tokens, hardware-backed keys, and audit trails. The right choice depends on the stack and the control needs.
When to bring in help
Companies usually need freelance expertise when a product team is adding encryption to a new service, replacing weak legacy code, or preparing for security review. In Germany, this often comes up in finance, industrial systems, healthcare, and software products that handle sensitive data across borders. Remote collaboration works well for reviews and implementation; on-site time helps when access to internal systems is limited.
What strong specialists do
A strong cryptography specialist can explain trade-offs in plain language and turn them into safe implementation steps. Look for careful code review, clean key handling, and a habit of removing secret material from logs, configs, and support tools. They should spot misuse of homegrown schemes and know when to rely on established libraries.
Typical deliverables
- Security architecture notes
- Encryption and signing implementation
- PKI and certificate lifecycle support
- Threat-driven review findings
- Guidance for developers and operations teams
Good delivery is practical. It leaves the team with secure defaults, clear ownership, and fewer chances for keys, tokens, or certificates to fail in production.
Frequently asked questions
What clients ask us most about Cryptography — answered in short.
A strong Cryptography specialist helps protect data, signatures, and trust boundaries in real systems. That can include TLS, certificate handling, secure storage, message signing, and key management. The work is often part of a larger security or platform effort, not a separate layer on its own.
Cryptography is the broader field; encryption is one technique inside it. PKI is the certificate and trust infrastructure that supports identity checks and secure connections. Companies often need a specialist who understands how these pieces fit together instead of treating them as isolated tools.
A strong Cryptography freelancer usually knows secure software design, cloud security, PKI, certificate lifecycle handling, and secret management. Experience with languages and libraries used in your stack matters too, because safe theory still has to work in real code. Good communication is important when the work touches product, operations, and security review.
Not always, but Cryptography mistakes are hard to recover from later. If the task is limited to integrating a well-known library or checking a certificate flow, a focused specialist may be enough. If the project includes custom key handling, signing logic, or compliance-sensitive data, deeper expertise is the safer choice.
Ask how the Cryptography specialist has handled key storage, certificate renewal, and secure implementation in systems similar to yours. In Germany, it can also help to ask about working with local teams in German and collaborating with distributed product or security groups in English. Clear answers should show practical judgment, not just theory.
Most Cryptography tasks can be done remotely if the freelancer has the right access to code, logs, and design documents. On-site time is useful when the work depends on internal security systems, sensitive infrastructure, or close coordination with operations teams. Many companies use a hybrid setup.
A good Cryptography expert explains choices clearly and avoids custom schemes unless there is a very strong reason. Look for careful use of proven libraries, safe key handling, and a review style that catches weak defaults, bad randomness, and logging leaks. Quality shows up in reduced risk and maintainable implementation.
Bring in Cryptography help when you are adding login security, signing data, moving sensitive workloads to the cloud, or replacing fragile legacy encryption code. It is also a good sign when teams disagree on certificates, tokens, or key ownership. Those are usually places where specialist review saves time later.
The average hourly rate of freelancers in Germany who have used Cryptography in their recent projects is 110 €, which corresponds to a daily rate of about 882 € based on an 8-hour working day.
Of the freelancers in Germany who have used Cryptography in their recent projects, 90% hold at least a Bachelor's degree, 61% hold at least a Master's degree, and 23% hold a doctorate.
On average, freelancers in Germany who have used Cryptography in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used Cryptography in their recent projects are German (100%), English (95%), and French (28%).
The most common industries among freelancers in Germany who have used Cryptography in their recent projects are Information Technology (91%), Manufacturing (51%), and Banking and Finance (47%).
The most common business areas among freelancers in Germany who have used Cryptography in their recent projects are Information Technology (98%), Product Development (81%), and Project Management (65%).
Main locations of FRATCH Experts, who have recently used Cryptography
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
