
SSL/TLS Experts in Dusseldorf
, matched with vetted and available freelancers in minutesHire experts who configure certificate lifecycles, harden HTTPS and TLS endpoints, and integrate secure transport into cloud and enterprise systems. FRATCH finds the right vetted, available freelancer through fast, precise AI matching.
Meet FRATCH Experts in Dusseldorf, who have recently used SSL/TLS
Timo T.
Last position:
Gronic Ident & Sign at Gronic Systems GmbH
Gronic Ident & Sign
Core technologies: Android, Jetpack Compose, Retrofit, Regula Document Reader, Adobe Sign
Android app on dedicated devices for identifications and electronic signatures at the PoS
Boban S.
Last position:
Senior Citrix Consultant & Architect, NetScaler Expert at Freelancer
- Design, installation, configuration, administration, optimization and further development of IT infrastructures in Citrix environments
- Updating older Citrix systems to the latest versions
- Installation, configuration and deployment of applications in Citrix environments
- 2nd- and 3rd-level support
- Performance analysis and optimization in complex Citrix environments
- Analysis and resolution of issues in complex Citrix systems
- Creation, updating and management of technical documentation
- Troubleshooting slow logons in Citrix XenApp / CVAD environments
- Analysis and resolution of printer issues in Citrix environments
- Creation, management and optimization of Citrix VDI policies
- Citrix Virtual Apps and Desktops (CVAD) 2402 LTSR, Citrix Virtual Desktop Infrastructure (VDI), Citrix Hypervisor / Citrix XenServer, Citrix Director / Citrix StoreFront, Citrix Machine Creation Services (MCS) / Citrix Provisioning Services (PVS), Citrix App Layering, Citrix Workspace Environment Management (WEM), Citrix Profile Management
- NetScaler SDX 14 / NetScaler Gateway 14 / NetScaler Console 14, NetScaler Load Balancing / Global Server Load Balancing (GSLB), NetScaler Applications Analytics (Web Insights, Security Insights, SSL Insights, TCP Insights, Gateway Insights, HDX Insights, ADC Infrastructure Analytics)
- Design, installation, configuration, administration, optimization and further development of IT infrastructures in Microsoft environments
- Updating older Microsoft systems to the latest versions
- Installation, configuration and deployment of applications in Microsoft environments
- Creation, management and optimization of Microsoft Group Policy policies
- Design, implementation and administration of Microsoft Azure environments
- Windows Server 2022 / Windows 11, Windows Group Policy / Active Directory, Remote Desktop Services (RDS), SQL Server 2022 / SCCM Server, RADIUS Server, FSLogix, PowerShell
- Implementation of standard changes in accordance with ITIL guidelines
- VMWare / Splunk
Tom K.
Last position:
Volunteer Member at Johanniter-Unfall-Hilfe
Volunteer helper at the Johanniter in medical services and disaster response, highlighting teamwork and coordination even in times of crisis.
Kacper K.
Last position:
Author
Seqnaut and Sycosm (WIP) – Embedded Audio DSP & Synthesis Platform
- Embedded audio DSP framework — synthesizers, effects, drum machines; modular audio graph
- Sequencing: PianoRoll, StepGrid, MasterClock; 8-voice polyphonic synth; CLI + OSC
- Transient Detector — dual-envelope adaptive threshold, guitar attack detection
- Hardware: Teensy 4.1, custom AFE design tapping BOSS GX-100; MIDI FX integration
Label: C++23, C, Python, CMake, FreeRTOS, Teensy 4.1 (ARM Cortex-M7), Teensy Audio (Stoffregen), DaisySP, I2S/SAI, OSC, MIDI
Reza S.
Last position:
DevOps and Cloud Engineer at Rhomberg Sersa Rail Group
- Migration of backups and complete workloads to AWS and Azure, including setup and management of AKS & EKS clusters.
- Automation with Terraform & ArgoCD, CI/CD pipelines implemented with GitLab.
- System monitoring on OpenShift 4 (on-premise) with Grafana & Prometheus, use of CloudWatch and X-Ray for analysis and logging.
- Building and maintaining secure network infrastructures (VPCs, SGs, WAF, ACLs), integration of Azure Log Analytics.
- Close collaboration with infrastructure and development teams, maintenance of technical documentation with Confluence, ticket handling via Jira, and promoting cloud knowledge within the company.
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
Benjamin W.
Last position:
SAP Basis at IT Baden-Württemberg (BITBW)
- SAP Basis operations for complex SAP system landscapes (ABAP and Java stacks)
- Administration, monitoring, and optimization of SAP systems with regard to availability, performance, and stability
- Planning and execution of data center moves as well as migrations of SAP systems and databases
- Handling of incidents, changes, and problems according to ITIL processes, including root cause analyses
- Creation of technical concepts, operations documentation, and implementation plans
Technologies: SAP NetWeaver, ITIL processes, technical migrations
Ercan Y.
Last position:
Digitalization Manager / SharePoint Manager at EBRO Armaturen GmbH
- Administration and enhancement of the SharePoint farm (M.Office 365)
- Migration using ShareGate
- Building a global employee portal
- Development of DMS and customer portal solutions
Marco K.
Last position:
Owner at Kuhlma IT Solutions
- Self-employed as owner of Kuhlma IT Solutions since July 2015• Consulting on and executing IT consulting projects in client management and email archiving• Supporting and implementing baramundi Management Suite solutions• Performing system updates, packaging applications, and training staff
Discover over 15,000 top freelancers
Statistics of experts using SSL/TLS
Aggregated from the professional profiles of matched freelancers.
Experience
20 years

Position duration
2.3 years (Germany: 3.1 years)

Positions per freelancer
18 (Germany: 14)

Top business areas
Information Technology, Customer Service, Operations

Top industries
Information Technology, Professional Services, Banking and Finance

Certification focus areas
Information Technology, Project Management, Research and Development
Bachelor's degree or higher
60% (Germany: 81%)
Master's degree or higher
20% (Germany: 46%)

Certifications per freelancer
9 (Germany: 3)

Most common languages
German, English, Persian

Speak two or more languages
89% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Dusseldorf are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Dusseldorf using SSL/TLS
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
SSL/TLS 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 (100%)
- Professional Services (56%)
- Banking and Finance (44%)
- Manufacturing (44%)
- Retail (44%)
- Automotive (33%)
- Healthcare (33%)
- Transportation (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Secure transport basics
SSL/TLS protects data while it moves between clients, services, APIs and other network endpoints. SSL is the older name still used in search terms, while modern deployments rely on TLS to authenticate systems, encrypt traffic and preserve message integrity. Experts turn these principles into reliable HTTPS and secure service connections.
Where it runs
SSL/TLS appears across public websites, mobile backends, payment flows, partner APIs, email transport, internal services and remote access gateways. It is also central to cloud ingress, service meshes, reverse proxies and enterprise networks where systems exchange sensitive data.
- Protect browser and API traffic with HTTPS
- Secure service-to-service communication
- Manage certificates across domains and environments
- Harden mail, proxy and load-balancer connections
Ecosystem and tooling
Strong specialists work with certificate authorities, public key infrastructure, certificate stores and automated renewal services. Their toolkit may include Nginx, Apache HTTP Server, HAProxy, Envoy, cloud load balancers, Kubernetes ingress and service-mesh controls. They also use OpenSSL, cURL, browser diagnostics and packet analysis to inspect failures and validate configuration.
When expertise matters
Companies often bring in freelance expertise during a migration from HTTP to HTTPS, a cloud or data-centre move, or an audit of exposed endpoints. Specialist support is valuable when certificates expire unexpectedly, clients reject a connection, cipher settings need hardening, or many environments require consistent policy.
- Investigate handshake, trust-chain and hostname errors
- Replace weak protocols, ciphers and certificate practices
- Design renewal and ownership processes
- Review external and internal TLS exposure
What strong professionals deliver
A capable professional maps every endpoint, certificate, issuer, private-key location and renewal owner before changing configuration. They understand certificate chains, SANs, mutual TLS, session behavior, protocol negotiation and trust stores. Their deliverables include tested configuration, clear runbooks, monitoring rules and a safe rollback path.
Working with a specialist
SSL/TLS work can be handled remotely when access, logs and change controls are ready. On-site collaboration may help during data-centre changes or regulated infrastructure reviews. In Dusseldorf, companies may seek English-speaking specialists for international teams, while German communication can help with local operations and documentation.
Choose someone who explains risk in practical terms, tests across real clients and separates certificate problems from application or network faults. Ask for evidence of comparable infrastructure, careful change management and knowledge of the systems surrounding TLS rather than certificate installation alone.
Frequently asked questions
Questions about SSL/TLS? Start with the answers below.
SSL/TLS secures data exchanged between browsers, applications, APIs, mail systems and infrastructure services. It authenticates endpoints, encrypts traffic and helps detect tampering, most visibly through HTTPS.
SSL/TLS is the common combined term, but SSL refers to older protocols that are no longer suitable for modern secure communication. Current systems should use a supported TLS configuration and disable obsolete protocol versions.
A strong SSL/TLS specialist should understand DNS, HTTP, TCP, reverse proxies, load balancers and public key infrastructure. Experience with OpenSSL, certificate authorities, cloud networking, Kubernetes ingress and observability is also useful.
The right level depends on the risk and scope. A focused certificate renewal may need targeted configuration knowledge, while a multi-environment migration calls for someone who can design trust, automation, testing and incident procedures across the full delivery path.
Yes. SSL/TLS work is often completed remotely through controlled access to configuration, logs, certificate inventories and deployment pipelines. On-site work in Dusseldorf can still be useful for data-centre changes, workshops or infrastructure reviews.
Bring in an SSL/TLS freelancer when certificates are difficult to track, renewals cause outages, clients report handshake errors or security requirements are changing. External expertise can also provide an independent review before a migration or audit.
SSL/TLS protects particular application connections and is widely used for web and API traffic. IPsec protects traffic at the network layer, so the better choice depends on routing, endpoint control, application scope and how broadly the connection must be secured.
Ask how the specialist would map certificates, validate trust chains, test protocol negotiation and plan rollback before making changes. A reliable SSL/TLS professional distinguishes certificate, DNS, application and network causes, then documents ownership, monitoring and renewal clearly.
The average hourly rate of freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects is 95 €, which corresponds to a daily rate of about 764 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects, 60% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects are German (89%), English (89%), and Persian (11%).
The most common industries among freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Professional Services (56%), and Banking and Finance (44%).
The most common business areas among freelancers in Dusseldorf, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Customer Service (67%), and Operations (56%).
Main locations of FRATCH Experts, who have recently used SSL/TLS
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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