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Encryption Experts in Cologne

in minutes from over 15,000 CVs with the power of AI and vetted availability.

Hire experts who secure data at rest and in transit, design key management and PKI, and implement OpenSSL, TLS, PGP and GnuPG for real systems. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Cologne, who have recently used Encryption

Verified expert

Halil Oeztoprak

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Principal Cloud & DevSecOps Architect (AWS / Azure / Terraform / Kubernetes / CI-CD)

Bonn
Halil Oeztoprak

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.

Verified expert

Baris Ekici

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Senior Cyber Security Consultant | Cyber Defense, DFIR & Security Architecture

Cologne
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.
Verified expert

Johannes Wagner

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Senior Data Engineer

Köln
Johannes Wagner

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
Verified expert

Stanislaus Stelle

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Security Consultant at Rohde & Schwarz AG

Monheim am Rhein
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
Verified expert

Brahim Ahmat

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Lead Developer at Blazor Web App

Cologne
Brahim Ahmat

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)
Verified expert

Pierre Gronau

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Ansible Automation, Windows Third Level Support

Cologne
Pierre Gronau

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
Verified expert

Vladimir Maznicenko

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Developer

Brühl
Vladimir Maznicenko

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
Verified expert

Pappu Prasad

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Senior Cloud Consultant (AWS Services and Consulting)

Köln
Pappu Prasad

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
Verified expert

Fatih Karakurt

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Mobile App Developer

Köln
Fatih Karakurt

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
Verified expert

Iraj Zargani

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Senior System Administrator

Köln
Iraj Zargani

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 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€720 €720-​800 €800-​880 €880-​960 €960+

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.

1000
750
500
250
Rate comparison chart
Daily rate avg. 843 €
Germany avg. 820 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 820 €
Germany median 800 €

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

What encryption covers

Encryption protects data by turning readable content into protected form with keys. It is used for files, databases, backups, email, APIs and network traffic. Strong experts know when to use symmetric or public-key methods and how to keep recovery and access control practical.

Common tools

  • OpenSSL for certificates, TLS and file protection
  • PGP, OpenPGP and GnuPG for email and file encryption
  • PKI for trust chains, certificates and signing
  • KMS and HSM services for controlled key storage

These tools often sit inside broader security, identity and platform work.

When companies need help

Teams bring in freelance specialists when they need to add encryption to a new product, fix weak key handling, or review an existing setup. This is common in regulated systems, internal enterprise tools and cloud migrations where data must stay protected end to end.

What strong specialists do

Good professionals do more than switch on TLS. They define key lifecycles, rotation, access rules, backup handling and incident recovery, then test the system under real usage.

  • choose the right cipher and mode for the use case
  • design key storage, rotation and revocation
  • integrate certificates into services and pipelines
  • review legacy encryption for gaps and drift

Where it is used in Cologne

In Cologne, encryption work often supports finance, media, logistics and enterprise IT. Local teams may need on-site workshops for trust and compliance topics, while implementation work is often remote. Clear communication in English is usually enough, but German helps when the work touches operations or policy.

How expert support looks

Freelance encryption experts can join for audits, platform changes, secure messaging, storage design or migration away from outdated schemes. They also help teams document how secrets, certificates and access rules fit together so the system stays maintainable.

The best specialists leave behind a setup that is secure, explainable and easy to operate.

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Frequently asked questions

Everything clients usually want to know about Encryption, in one place.

Encryption protects data so only approved systems or people can read it. Companies use it for stored files, database fields, backups, API traffic, email and service-to-service communication. A strong specialist also makes sure decryption, recovery and access control still work cleanly.

Encryption is meant to hide data and later recover it with the right key. Hashing is one-way and is usually used for integrity checks or password storage. Signing proves origin and integrity, often with the same PKI setup that supports encryption, but it solves a different problem.

Encryption specialists are useful when a team is adding secure storage, moving to TLS, handling certificates, or cleaning up weak key management. They are also valuable during security reviews, cloud migrations and incident follow-up. If the work affects trust, access or recovery, outside expertise helps.

A good Encryption freelancer often works with OpenSSL, TLS, PGP, OpenPGP, GnuPG, PKI, KMS and HSM services. The right mix depends on whether the project is about transport security, document protection, signing or key control. Experience with cloud secret storage is also useful.

Not always. Many Encryption projects need strong implementation skills, secure key handling and careful system design more than academic cryptography. For custom algorithms or high-risk products, deeper theory matters, but most business systems benefit most from proven practical experience.

Most Encryption tasks can be done remotely because they involve code, configuration and review. On-site time in Cologne helps when teams need workshops, sensitive policy discussions or live coordination with security and operations. Many projects use a mix of both.

Look for clear decisions, not jargon. A strong Encryption expert can explain key lifecycle, certificate trust, rotation, backup and recovery in plain words, and can show how they tested failure cases. Good work also fits the wider system instead of adding fragile one-off fixes.

Good Encryption work usually needs knowledge of PKI, identity and access management, secure storage, cloud security and application security. For many projects, scripting, DevOps and backend integration matter too. If the expert also understands incident response, the setup is easier to operate.

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.

Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg

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