OpenSSL Experts in Germany
matched in minutes with vetted professionals and the power of AIHire experts who harden TLS setups, manage certificates and keys, and troubleshoot OpenSSL builds across Linux, web servers, and backend services. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used OpenSSL
Lino Giefer
Last position:
Senior Data Scientist at VinFast Germany GmbH
- Led strategic software development of fusion algorithms for precise object tracking, trajectory prediction, and environment modeling based on multimodal sensor data (e.g., camera, LiDAR, radar, GNSS, IMU)
- Developed and implemented navigation algorithms for autonomous vehicles, including path planning, obstacle avoidance, and sensor fusion of visual, inertial, and distance-based sensor sources
- Automated extraction and training processes with CI/CD
- Developed and optimized data pipelines and processes in Microsoft Azure using Apache Spark, Databricks, and PySpark
- Developed and optimized embedded software for automotive control units
- Designed latency-critical software for real-time control in robotic systems with RTOS (freeRTOS, SAFERTOS)
- Used the Vector toolchain (CANdela, DaVinci, CANoe) for configuration and diagnostics
- Optimized existing data pipelines and processes (ETL, data warehouse, SQL)
- Developed and trained machine learning models using PyTorch
- Created deep-learning-based object detection and visual SLAM algorithms, trained on combined data from camera, LiDAR, and IMU sensors
- Implemented computer vision algorithms for object detection and classification in robotic systems using OpenCV and YOLO, utilizing synchronized image and depth data
- Implemented behavior-based control systems for autonomous robots using ROS2 Behavior Trees
- Performed testing, release, and integration of sensor fusion algorithms into automotive production programs
- Ensured adherence to proper software development processes and safety standards to guarantee high data quality (MISRA, ISO 26262, ASPICE)
Oliver Ohly
Last position:
Embedded Software Architect at Automotive supplier
Stellar SR6 G7 line, 32-bit Arm® Cortex®-R52+ MCU.
- MISRA-C, C99, Greenhills ARM compiler
- Dassault AUTOSAR Builder
- EB Tresos
- Sparx Enterprise Architect 16.1
- VS Code
- Python xml, lxml, NumPy and Pandas
ISO 26262, ISO 21434, hypervisor, key management, HSM. Tooling & automation. LieberLieber LemonTree + Sparx EA. Jira, Confluence, SharePoint. Git/Github. DevOps through Jenkins & Conan.
Frank Bergmann
Last position:
System Engineer at Frequentis Comsoft
- Migrate company software to RHEL10
- Development in Bash, Python, C, Ansible
Florian Wede
Last position:
Software Engineer at micimo GmbH
- Developing a professional scheduler for organizations with specific detailed requirements
- Evaluating different existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Alexander Schulze
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
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
Ronald Tonn
Last position:
Product Owner at Dataport AöR
- Setting up and growing the business unit
- Stakeholder management
- Conducting and facilitating workshops to gather requirements
- Requirements analysis and solution design
- Backlog management
- Project planning and management
- Resource planning
Tamás Nagy
Last position:
JAVA development for thermal printer test program at GeBE Elektronik und Feinwerktechnik GmbH
JAVA development for thermal printer test program
Further development of the free thermal printer test program in Java 1.8 AWT and Swing
Creating new plugins for sensor feedback using a real-time bar chart
Using multiple printer languages for USB, UDP, TCP and RS232 communication
Improving usability and responsiveness with threads and string buffering
Querying and displaying network configuration
Converting and processing hex data from printer responses
Advanced study of servomotors and USB bus
Enumerating available USB ports from the Windows Registry, retrieving additional information via PowerShell, parsing and listing all in a Java list box
Fixing reported database errors
Detecting if the printer driver is installed and recognizing physically connected devices
Migration to Windows 11
Handling customer tickets as part of support in C++ and Qt6
Writing CMake scripts
Compiling STM32 printer firmware with CMake and managing the process in FileMaker Pro
Technologies: Eclipse, Java 1.8, AWT, Swing, RS232, USB, TCP, UDP, PowerShell, servomotor technology, Windows 10 and Windows 11, WSL 2.4, Ubuntu Linux, CMake, Qt6, FileMaker Pro
Predrag Perovic
Last position:
Test Developer | Test Automator at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, GitLab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, Spring Boot, Grafana, Concept Board, Vue.js, OpenAPI, Kotlin. Implementation, maintenance, and extension of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation across multiple software products, including Java-based Windows applications. Automating business processes with Selenium, reset jobs, and DB import jobs, as well as creating test concepts, test case descriptions, and structured bug reporting.
Peter Kortmann
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Matthias Weigel
Last position:
Self-employed at maweos GmbH
Yodgorbek Komilov
Last position:
Android Developer at Mein Artz
- Led the development of a doctor scheduling Android app, integrating Jetpack Compose and Kotlin Multiplatform, achieving a 30% performance improvement.
- Implemented complex UI components, ensuring 99.8% crash-free user sessions.
- Seamlessly integrated Compose UI with existing View-based components.
- Optimized API calls, reducing load times by 20%.
- Tech Stack: Kotlin, Jetpack Compose, KMM, MVVM, Koin, Firebase, Stripe API, Crashlytics
Michael Kuschel
Last position:
DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo
- Installation, design, maintenance, and further development of the server farm, covering hardware and software.
- Migrating live systems while minimizing downtime.
- Handling tickets and changes in daily operations.
- Documenting changes and processes in Confluence.
- Test runs in the development environment.
- Configuration and administration of Linux systems.
- Configuration and administration of backup systems (Dell Networker, DataDomain).
- Administration of the Checkpoint firewall.
Yannis Vogel
Last position:
Tutor at GFU Cyrus AG
- Unreal Engine, Unity, Virtual Reality, Augmented Reality, PHP, React, Vue, Laravel, Node.js, Flutter, Git, TypeScript, JavaScript, HTML
- Unreal Engine 5 fundamentals
- Development of augmented reality applications with Unity
- Software documentation
- etc.
Heiko Huvermann
Last position:
Fullstack Developer / Architect
- Design and implementation of a solution for managing projects, materials, and assets in field operations
- Development of a modern web application (Blazor) for project managers to track inventory, plan demand, and issue transport and purchase orders
- Delivery of a mobile MAUI app for field staff to store and retrieve materials with location-based photo documentation in map views
- Control of the full business logic through a central API
- Tech stack: .NET 9, C#, WebAPI, Blazor, MAUI, REST, PostgreSQL, Entity Framework, Docker, Docker Compose, Ansible, Keycloak, Aspire
- Identity and access management with Keycloak
- Deployment and orchestration via Docker Compose and Ansible
- Project in testing and evaluation phase
Discover over 15,000 top freelancers
Statistics of experts using OpenSSL
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
3.7 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Healthcare
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
87%
Master's degree or higher
53%
Doctorate
27%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
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 OpenSSL
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
Secure transport
OpenSSL is the standard toolkit many teams use for TLS and SSL on servers, services, and internal systems. It handles encrypted connections, certificates, private keys, and related file formats. Companies bring in specialists when secure communication must work cleanly across applications, libraries, and infrastructure.
What specialists deliver
- TLS configuration for web servers, APIs, and proxies
- Certificate creation, renewal, and chain troubleshooting
- Key handling, PKCS#12 work, and format conversion
- Build and runtime fixes for apps linked against OpenSSL
Ecosystem and tools
Strong professionals know more than the core library. They work with CA chains, CSR flows, PEM and DER files, OpenSSH, Nginx, Apache, mail systems, and package managers on Linux distributions. They also know when a project needs OpenSSL, when it uses LibreSSL, and when BoringSSL changes the picture.
When to bring in help
Teams usually look for freelance expertise when a service fails certificate checks, an upgrade breaks crypto support, or a new environment needs secure defaults. This is common in platform work, DevOps tasks, compliance-driven systems, and migrations between servers or cloud setups. In Germany, remote collaboration is common, but on-site work can help when access to production systems or legacy infrastructure is sensitive.
What good experts know
A strong OpenSSL specialist reads error output quickly, traces handshake failures, and understands how certificates, ciphers, and protocol versions interact. They document changes clearly and avoid risky ad hoc fixes. Good work leaves the system secure, maintainable, and easy for the next specialist to support.
Typical project scope
Teams ask for OpenSSL expertise to set up trust stores, rotate certificates, verify client authentication, inspect ciphers, or patch services after library changes. The work often sits close to infrastructure, application security, and release engineering. It can also include migration support when an older stack must keep working without weakening security.
Frequently asked questions
What clients ask us most about OpenSSL — answered in short.
OpenSSL is used to secure network traffic with TLS, manage certificates and private keys, and support cryptographic operations inside servers and applications. Companies rely on it for HTTPS, service-to-service encryption, mail security, and certificate lifecycle tasks.
OpenSSL is the broad, widely deployed library many systems still depend on. LibreSSL keeps a similar goal with a smaller codebase, while BoringSSL is tuned for Google's internal use and some modern application stacks. The right choice depends on compatibility, maintenance needs, and where the system runs.
A strong OpenSSL specialist should also know Linux, shell tooling, certificate authorities, and common web servers such as Nginx or Apache. Familiarity with PEM, DER, PKCS#12, and TLS debugging is important too. In infrastructure-heavy projects, experience with cloud and release pipelines helps a lot.
A small certificate fix may need only a focused OpenSSL expert, while a platform migration or library upgrade needs deeper experience. The harder the problem, the more important it is that the specialist has handled real handshake issues, build changes, and production rollouts before. The key is relevant work, not just general security knowledge.
Yes, most OpenSSL work can be done remotely if the specialist has secure access to logs, configuration, and test systems. In Germany, this is common for certificate work, service hardening, and build troubleshooting. On-site help is useful when production access is restricted or legacy systems are isolated.
Bring in OpenSSL expertise when certificate errors block releases, TLS handshakes fail, or a library update breaks an application build. It is also a good sign when the team is unsure how to manage keys, ciphers, or trust chains safely. Delays around these issues usually mean the problem is deeper than a quick config change.
Look for someone who can explain the cause of a TLS problem clearly and show how they verified the fix. A good OpenSSL freelancer will talk about certificate chains, protocol versions, cipher choices, and the exact files or services affected. Clear documentation and safe change management matter as much as technical speed.
A OpenSSL specialist will want to know the operating system, the service stack, the certificate setup, and whether the issue is code, configuration, or infrastructure. They also need to know how they will test changes and who approves security-related updates. Clear access and a narrow scope make the engagement smoother.
The average hourly rate of freelancers in Germany who have used OpenSSL in their recent projects is 99 €, which corresponds to a daily rate of about 793 € based on an 8-hour working day.
Of the freelancers in Germany who have used OpenSSL in their recent projects, 87% hold at least a Bachelor's degree, 53% hold at least a Master's degree, and 27% hold a doctorate.
On average, freelancers in Germany who have used OpenSSL in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3.7 years.
The most common languages among freelancers in Germany who have used OpenSSL in their recent projects are German (100%), English (100%), and Spanish (29%).
The most common industries among freelancers in Germany who have used OpenSSL in their recent projects are Information Technology (95%), Manufacturing (52%), and Healthcare (43%).
The most common business areas among freelancers in Germany who have used OpenSSL in their recent projects are Information Technology (100%), Product Development (95%), and Quality Assurance (71%).
Main locations of FRATCH Experts, who have recently used OpenSSL
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
