
Encryption Experts in Cologne
matched in minutes by AIHire experts who design cryptographic controls, secure data in transit and at rest, and integrate PKI, TLS and key management into business systems. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Cologne, who have recently used Encryption
Matthias S.
Last position:
Overall Project Coordinator at Bundeswehr Informatik (BWI GmbH)
- PMO Lead Security Clearance 2 (SÜ2) verified
- Reporting to the GMN sub-program management
- System maintenance 25+
- Functional management and coordination of the Jira setup
- Preparation of decision papers (e.g. project planning, governance model, communication plans, controlling models, roles and responsibilities matrices)
- Development of program-wide knowledge management using Confluence, creation of Jira concept
- Development of an access concept for all project tools
- Analysis of existing processes, identification of improvement potential, and design of solutions to increase efficiency and effectiveness
- Development of a concept for introducing automation approaches into existing tools
- Creation of intranet articles for project marketing
- Responsible for project governance through reporting and resource planning in the sub-program
- Agile development of the project methodology
- Gathering customer requirements (Requirements Engineering)
- Preparation and support of contract negotiations (7-year term, 500+ million budget)
Pierre G.
Last position:
Ansible Automation, Windows Third Level Support at DB InfraGO AG
- PRISMA project
- Ansible automation
- Windows third-level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Baris E.
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.
Johannes W.
Last position:
Senior Data Engineer at Soorce GmbH
- Analysis of business requirements
- Integration of different data sources such as ERP systems, production systems, and external data sources
- Implementation of load processes and processing logic with MSSQL
- Data modeling and optimization of data models
- Setting up data quality management incl. data profiling with dynamic programming
- Support in designing and establishing data governance, especially in the areas of data quality management and data protection
- Support in developing BI solutions with Tableau to help decision-making processes
Halil O.
Last position:
Senior Cloud Operations & DevSecOps Engineer (Azure / Terraform / CI-CD) at KfW Bankengruppe
Regulated environment within a German banking group (approx. 8,500 employees, hybrid cloud strategy).
Responsible for operating, provisioning, and continuously securing business-critical platforms – including a GenAI chat application, a big data/AI platform, and data science workspaces based on Azure Virtual Desktops and VMs. Ownership of Azure DevOps projects for ShaiHulud and React2Shell, as well as BSI alerts – Security Operations improvements across the SDLC.
Deployment responsibility for the GenAI chat application, big data/AI platform (BDAI), and data science workspaces (AVD/VM-based) in the respective landing zones.
Deployment & release management: end-to-end responsibility for deploying portal and service applications across multiple Azure landing zones, including technical approvals, compliance with development team deployment guidelines, and ensuring ITIL-based change and release processes via ServiceNow.
Azure landing zones & network architecture: design, provisioning, and operation of Azure landing zones for 3-tier web applications with enhanced network segmentation, VNet peering, hub-and-spoke architectures, private endpoints, and firewall integration across separate subscriptions and tenants.
Azure DevOps governance & operations: ownership of the Azure DevOps organization, including projects, repositories, and CI/CD pipelines; implementation of governance requirements such as branch policies, approval gates, permission models, and audit-ready operating structures.
Infrastructure as Code (Terraform): design, implementation, and operation of a modular Terraform architecture for standardized cloud infrastructure deployment, including state management, provider versioning, reusability, and policy-as-code approaches.
CI/CD pipeline engineering: design, operation, and optimization of complex YAML-based CI/CD pipelines with multi-stage deployments, template standardization, self-hosted agents, integrated secret management, and automated quality and security checks.
Git migration & platform consolidation: planning and execution of repository and pipeline migration from Azure DevOps to GitLab CI/CD, including automated scripts, full Git history transfer, pipeline porting, and platform consolidation.
Container & platform operations (AKS): operation and security assessment of containerized workloads on Azure Kubernetes Service, centralization of on-premises container registries for ACR.
OpenShift (OCP) security reviews: security assessment of code baselines, build pipelines, and deployment processes for on-premises OpenShift clusters with critical applications, and derivation of specific hardening recommendations.
Shift-left security & DevSecOps transformation: introduction of a company-wide shift-left approach for early security integration in development and deployment processes, enabling developers to perform self-led security checks and sustainably reduce vulnerabilities before production (IDE integrations, pre-commit hooks, local scanners).
Software supply chain security: analysis and mitigation of supply chain risks in NPM- and Yarn-based applications through dependency audits, CI/CD pipeline hardening, token rotation, and restriction of risky build and lifecycle mechanisms.
Frontend & framework security (React / Next.js): security assessment and coordination of critical vulnerability remediation across platform applications and web frameworks, including coordination and complementary technical mitigations with all teams following BSI alerts.
Software composition analysis (SCA): introduction and operation of automated vulnerability scans for container images, pipelines/artifacts, and third-party dependencies, including SBOM exports within CI/CD pipelines.
SAST/DAST integration: design and piloting of static and dynamic application security tests in close collaboration with security architecture and development teams, for continuous improvement of code and runtime security, and establishing operational acceptance tests.
Artifact & registry consolidation: analysis and consolidation of all package and container repositories for service applications and AKS workloads, aiming for a centralized, secured registry strategy with centralized vulnerability scanning and governance.
Dependency-Track & SBOM strategy: advising the compliance board on introducing a central SBOM and vulnerability management platform to increase enterprise-wide dependency transparency and accelerate CVE response capability.
CI/CD pipeline hardening: security analysis and cleanup of the existing pipeline landscape by removing unused pipelines, improving secrets hygiene, implementing least-privilege principles, and isolating build agent environments.
Azure Web Application Firewall (WAF) optimization: analysis and tuning of existing Azure WAF rules (OWASP Top 10 Core Rule Set, DSR/SDC, custom rules) to defend against known vulnerabilities and exploit patterns, including reducing false positives and improving threat detection.
Documentation & stakeholder communication: creating and maintaining technical documentation, runbooks, and architecture overviews in Jira and Confluence, as well as active knowledge transfer between operations, development, security, and compliance stakeholders.
Stanislaus S.
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
Brahim A.
Last position:
Lead Developer at Blazor Web App at WAITS Software- und Prozessberatungsgesellschaft mbH
- Web development with Blazor
- Two-factor authentication for Blazor applications
- Uploading and downloading files
- Bug fixes for existing applications
- Programming interfaces
- Integration of third-party tools and technologies
- Creation of developer tests (unit tests)
Vladimir M.
Last position:
Developer at Financial services provider
- Support and further development of a framework for developing applications in a banking association: DynS/OSPE
- Migration of the framework to Java 11 and Java 17
- Java8, Java11 and Java17, Spring, Spring-Batch, Spring WebServices, Spring-Security, Spring-Data, JPA, Hibernate, OpenSource libraries etc.
- XML, JAXB, JSON, REST and SOAP services, DB2, Oracle, WebSphere or Liberty AS, FreeMaker, Junit, mock libraries, JaCoCo, Maven, IntelliJ, Eclipse, GitHub, SVN, Jira
Pappu P.
Last position:
Senior Cloud Consultant (AWS Services and Consulting) at devoteam GmbH
- Developed automated ETL pipelines with AWS Glue and Athena to ensure consistent data quality and governance requirements
- Implemented validation, anonymization, and encryption measures for data in compliance with GDPR
- Optimized cloud costs by introducing FinOps practices and increased transparency for business units
- Monitored performance, performed root cause analyses, and ensured adherence to SLAs
- Supported data and solution architects in building scalable data models for ML and analytics scenarios
Fatih K.
Last position:
Mobile App Developer at ING Belgium
- Part of a squad focused on intensive module development and integration
- Close collaboration with other squads and teams to integrate modules and essential components
- Use of SwiftUI and the Coordinator pattern to develop clean and understandable code
- Creative collaboration with UX designers in Figma and implementation in code
- Industry: Banking
- Project language: English
- Organizational form: Kanban
- Tools: Azure, Confluence, Figma, Teams
- Team size: 40 people
- Version control: Git, GitFlow, Azure
- App Store product: ING Banking
- Programming languages: SwiftUI, Swift
- Patterns: Coordinator, MVVM
- Swift Package Manager
- Localization: Yes
- Testing: XCTest, XCUITest
Iraj Z.
Last position:
Senior System Administrator at Trützschler
- Administration in a hybrid system environment
- Second- and Third-Level Support
- Incident and change management
- Ticketing system and tools: Jira Cloud & Confluence, MS Teams
- Exchange 2019/Outlook Online support
- AD/AAD support; creating and assigning permissions via AD/AAD GPO groups
- ARP-Guard (NAC) / network segmentation
- Citrix Workspace
- Distribution software support: Ivanti
- Veeam backup system in the cloud (AWS)
Discover over 15,000 top freelancers
Statistics of experts using Encryption
Aggregated from the professional profiles of matched freelancers.
Experience
19 years (Germany: 20 years)

Position duration
1.3 years (Germany: 3 years)

Positions per freelancer
21 (Germany: 15)

Top business areas
Information Technology, Quality Assurance, Product Development

Top industries
Information Technology, Banking and Finance, Telecommunication

Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
80% (Germany: 86%)
Master's degree or higher
70% (Germany: 48%)
Doctorate
10% (Germany: 8%)

Certifications per freelancer
6 (Germany: 4)

Most common languages
German, English, French

Speak two or more languages
100% (Germany: 97%)
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 Cologne 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 Cologne using Encryption
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.
Encryption 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 (91%)
- Banking and Finance (73%)
- Telecommunication (73%)
- Manufacturing (64%)
- Government and Administration (64%)
- Aerospace and Defense (55%)
- Healthcare (55%)
- Insurance (55%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Encryption does
Encryption transforms readable information into ciphertext so only an authorised party can recover it with the right key. Companies use it to protect customer records, payment data, credentials, backups and messages across applications, devices and cloud services. Strong designs cover confidentiality as well as secure key handling and access control.
Where it runs
Encryption appears in web applications, APIs, databases, file storage, mobile apps, connected devices and enterprise networks. In Cologne, it can support local businesses with strict data protection needs, while remote specialists collaborate with security, infrastructure and product teams across Germany.
Ecosystem and tooling
Professionals work with symmetric and asymmetric cryptography, hashing, digital signatures, certificates and public key infrastructure. Common tooling includes TLS, HTTPS, SSH, OpenSSL, cloud key management services, hardware security modules and secrets managers. They also understand identity providers, certificate authorities and secure software libraries.
- TLS certificates and secure API connections
- Database, file and backup encryption
- Key rotation, storage and access policies
- Signing, verification and certificate automation
When companies need help
Freelance expertise is useful during cloud migrations, security reviews, incident recovery and the replacement of outdated cryptographic methods. It also helps when teams must connect systems with different trust models or introduce encryption without disrupting production workloads. A specialist can turn requirements into an implementable control plan.
- Assess weak algorithms, exposed keys and unsafe configurations
- Design key lifecycles and ownership models
- Implement encryption across applications and infrastructure
- Document controls for audits and operational handover
What strong specialists deliver
Strong professionals distinguish encryption from hashing, encoding and tokenisation. They choose algorithms and protocols for the threat model instead of adding cryptography without a clear purpose. Their deliverables include architecture decisions, secure configurations, tested integrations, key procedures and practical documentation for the teams that operate the system.
Choosing project fit
The right specialist understands both cryptographic principles and the environment where they will be applied. Look for experience with the relevant cloud, programming languages, identity systems and compliance requirements, plus evidence of careful threat modelling and testing. For Cologne-based teams, agree early on whether workshops require on-site attendance or can be handled remotely, and clarify the working language.
Frequently asked questions
Everything clients usually want to know about Encryption, in one place.
Encryption protects information from unauthorised access while it is stored, transmitted or processed by trusted systems. Companies use it for databases, backups, files, APIs, messaging, devices and customer-facing applications. The design must also address keys, permissions, recovery and operational access.
Encryption is reversible with a key and is used to keep data confidential. Hashing is designed to be one-way, encoding changes representation without providing secrecy, and tokenisation replaces sensitive values with references. A suitable design may use several of these controls together.
Encryption work often depends on identity and access management, TLS, PKI, cloud security, network design and secure software practices. Useful specialists can also assess threat models, manage secrets, automate certificate lifecycles and explain controls to application and operations teams.
Encryption projects vary from configuring managed keys to redesigning trust across a large estate. The specialist should have handled the relevant systems and risk model, not just studied algorithms. Ask for examples of architecture decisions, key recovery procedures, testing and operational handover.
Encryption work is often suitable for remote collaboration because designs, configurations and documentation can be reviewed securely online. On-site sessions may help with hardware security modules, workshops or controlled environments. Cologne teams should align on access rules, working hours and whether German-language communication is required.
Encryption expertise is valuable before a cloud migration, after a security finding, during a platform integration or when legacy algorithms must be replaced. A freelancer can provide focused assessment and implementation without taking ownership away from the internal team. Early involvement usually prevents key management from becoming an afterthought.
Encryption quality is shown by a clear threat model, appropriate algorithms, documented key ownership and tested recovery paths. Review how the specialist handles rotation, access separation, certificate expiry, logging and failure scenarios. Good work makes secure behaviour repeatable for the teams operating it.
Encryption specialists should clarify the data classes, threat actors, regulatory constraints, trust boundaries and systems that must interoperate. They should also confirm who owns keys, who can approve exceptions and how incidents or recovery will be handled. Clear scope prevents a narrow configuration task from hiding a wider security problem.
The average hourly rate of freelancers in Cologne, Germany who have used Encryption in their recent projects is 105 €, which corresponds to a daily rate of about 843 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Encryption in their recent projects, 80% hold at least a Bachelor's degree, 70% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Encryption in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Cologne, Germany who have used Encryption in their recent projects are German (100%), English (100%), and French (36%).
The most common industries among freelancers in Cologne, Germany who have used Encryption in their recent projects are Information Technology (91%), Banking and Finance (73%), and Telecommunication (73%).
The most common business areas among freelancers in Cologne, Germany who have used Encryption in their recent projects are Information Technology (100%), Quality Assurance (82%), and Product Development (64%).
Main locations of FRATCH Experts, who have recently used Encryption
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.
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