SSL/TLS Experts in Frankfurt
matched in minutes from over 15,000 CVsHire experts who secure web applications, APIs and cloud infrastructure with TLS certificates, OpenSSL and automated certificate management. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical and delivery needs.
Meet FRATCH Experts in Frankfurt, who have recently used SSL/TLS
Peter V.
Last position:
IT Administrator at SEAT Deutschland
- Creating concepts and architecture for domain integration (SEAT into the VW structure)
- Domain trusts and administration
- Operation and administration of Windows 2022/ 2025 servers and domains
- Domain restructuring
- GPO and SG editing and migration
- DNS restructuring and migration
Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMWare vSphere, Hyper-V, Powershell, Jira, MS Office 365,), SCCM, VSAN Fileservices, Approximately 800 servers, 400 users
Björn A.
Last position:
Project Manager at DB InfraGO
Elevator emergency call reorganization project: Project to evaluate and define a new technical solution for connecting elevator emergency calls for all facilities of DB InfraGO passenger stations.
Objectives: Secure, redundant connection of all locations across Germany. Definition of the technical solution, documentation, subject-matter support and management of specialist and line organizations.
Identification and commissioning of technical solutions.
Management of documentation and approval of the technical solution in DB regulations.
Definition and tracking of the roadmap for describing the solution.
Preparation of a rollout plan to avoid shutdowns.
Coordination and implementation of decision proposals for steering committees.
Communication of the solution to all committees and regional areas.
Ali A.
Last position:
Founder & Architect at Independent AI R&D
- Fully on-premises LLM document-examination platform for a compliance-critical banking domain: agentic LangGraph pipeline with deterministic verification, every AI judgment structured and source-anchored; ~960 automated tests, zero data egress
- GPU throughput engineering (quantized serving, speculative decoding, prefix caching): 9.5x extraction speed-up, 500+ multi-document case files per day on a single A100
- AI-native EDI/EDIFACT integration platform (~116k LOC Java 25 / Spring Boot 4, 1,900+ tests): LLM-drafted partner mappings machine-verified before go-live (DFDL conformance, field-coverage checks, dry runs), ~99.5% byte match on real customer files — replacing weeks of manual mapping per partner
Kevin F.
Last position:
DevOps and Platform Engineer at DB Systel GmbH
- Error analysis and fixes including performance optimization of the in-house developed platform API
- Change and incident management in day-to-day operations
- Responsible for compliance with security and compliance requirements
- Vendor management for software development and maintenance
- Planning and execution of migration of legacy services to a cloud native platform
Role in the project: project staff, implementation team
Used skills: requirements analysis, IT service and application management, IT operations, error analysis and performance optimization, software maintenance and lifecycle management
Project environment: Cloud Native Platform (Kubernetes, Crossplane, AWS, ArgoCD, Grafana)
Uday V.
Last position:
Senior Full Stack Java Developer & DevOps Engineer at Deutsche Börse (DBAG)
Project: SCS (Settlement / Clearing Services)
Settlement platform serving multiple trading and clearing venues — counterparty risk safeguarding, settlement volume reduction, central risk management, and post-trade anonymity.
Technologies: Java 17, Spring Boot 3, Microservices, Spring Data JPA, SonarQube, Fortify (SCST), Mockito, Jenkins, OpenShift, Maven, Podman, GitHub, JIRA, Liquibase, Swagger, AMQP, Apache Camel, Terraform, PostgreSQL, Instana, Graylog.
- Identified and remediated CVEs in third-party libraries using SCA tooling, strengthening the security posture of production components.
- Maintained 90% code coverage with SonarQube, improving code quality and reducing production defects.
- Enabled mTLS for database authentication and message broker connections, enforcing encrypted, certificate-validated communication.
- Designed and deployed microservices with asynchronous, REST-based communication between components.
- Optimized a high-volume REST API (~200K requests) by reducing response time from 3s to 2s (33% improvement), boosting throughput and reliability under production load.
- Automated build and continuous integration pipelines using Maven and Jenkins.
- Orchestrated containerized workloads on Podman/OpenShift and governed schema evolution with Liquibase, ensuring reliable, repeatable deployments across all environments.
- Optimized Java code and implemented EHCache-based caching, improving application performance.
- Streamlined release management by governing application images, JAR versions, and dependencies through DBAG Artifactory, ensuring version consistency and audit traceability across environments
Mustafa K.
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business critical application system (MUREX) in the capital market area in a complex interface and outsourcing environment.
Created component specifications, catalog of measures and implementation plan.
Ensured proper integration of developed results in accordance with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous enhancements to guarantee efficient resource utilization and acceptable response times to users.
Provided network support in financial service organization and operational change preparation on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed role of network architect for medium-large projects involving team resources.
Werner K.
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Suneel D.
Last position:
SAP Consultant & Developer at KS KeySolutions GmbH
- ABAP developments for rku.it GmbH, Agena GmbH, Koenig & Bauer AG, Salzgitter AG, duagon AG
- Redesigned material configuration data mass maintenance Fiori app for Siemens AG Engineering to resolve system resource issues
- Conducted S4Hana ABAP code remediation, ATC checks, and implemented ABAP parallel processing for Voestalpine AG
Martin G.
Last position:
Product Management for Medical Portal at MedTech Startup
- Product strategy and roadmap development for digital health portal
- Requirements engineering and feature prioritization
- User story definition and backlog management
- Prototype development
- Implementation of continuous delivery
- Search engine optimization
- Technological environment: Claude Code, Claude Sonnet 4.5, Agentic Coding, TypeScript, React, AstroJS, PostgreSQL, JetBrains IntelliJ, Netlify, Supabase, GitHub Actions, Git, DevOps, continuous delivery
Dilip K.
Last position:
.NET Technical Lead & Application Architect at Hays AG
- Devised a new Domain-Driven Design architecture for a core system: reverse-engineered a central component, refactored the data-access layer to minimise database round-trips (improving scalability) and migrated processing to async.
- Decomposed the platform into independent .NET Core microservices (database-per-service) with RabbitMQ pub/sub using the Outbox Pattern + Saga choreography, behind an Ocelot API Gateway (JWT, rate limiting, CORS, health checks).
- Delivered on .NET Core / Angular / SQL Server / EF Core with Docker and Azure DevOps CI/CD; implemented health checks and CORS; contributes technical designs for stories in agile Scrum.
- Sole ADR owner; mentored 3 engineers and presented architecture decisions directly to the Director of Corporate IT.
Rashid I.
Last position:
Java Developer at IT company
- Data transformations
- IT company with more than 100 employees
- Software production
- Data augmentation and normalization, image transformation, format conversion, merging data from multiple sources
- Toolset: Java, Helm, Kubernetes, Kafka, OpenCV, IntelliJ IDEA, Gradle, Git, Docker, Containers, Scrum
Discover over 15,000 top freelancers
Statistics of experts using SSL/TLS
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 20 years)
Position duration
2 years (Germany: 3.1 years)
Positions per freelancer
16 (Germany: 14)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
90% (Germany: 81%)
Master's degree or higher
60% (Germany: 46%)
Doctorate
10% (Germany: 9%)
Certifications per freelancer
5 (Germany: 3)
Most common languages
German, English, Russian
Speak two or more languages
100% (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 Frankfurt 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 Frankfurt 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%)
- Banking and Finance (82%)
- Transportation (73%)
- Professional Services (55%)
- Automotive (45%)
- Healthcare (45%)
- Insurance (45%)
- Telecommunication (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Secure connections
SSL/TLS encrypts data exchanged between browsers, services, APIs and infrastructure. It authenticates endpoints with digital certificates and helps prevent interception, tampering and impersonation. SSL is the older name; modern systems use Transport Layer Security, usually called TLS.
Where it runs
- HTTPS for public websites, portals and web applications
- Mutual TLS for service-to-service authentication
- Encrypted APIs, message brokers and database connections
- Secure ingress, load balancers and reverse proxies
- Certificate protection for cloud and hybrid infrastructure
TLS is a foundation for secure communication across commerce, finance, healthcare, manufacturing and public services. In Frankfurt, specialists often support systems that connect local operations with distributed cloud and international networks.
Tools and standards
Professionals work with OpenSSL, certificate authorities, public key infrastructure and certificate transparency. They configure web servers, proxies, gateways and service meshes, while reviewing cipher suites, protocol versions, key storage and trust chains. Useful adjacent skills include DNS, HTTP, Linux, Kubernetes, cloud networking and identity management.
When expertise matters
- Certificates expire without reliable ownership and renewal processes
- Browsers report trust, hostname or mixed-content warnings
- Services fail after certificate, cipher or protocol changes
- Teams need mutual TLS between internal services
- A migration requires consistent security across cloud and on-premises systems
Freelance expertise is valuable during launches, audits, incident response and infrastructure migrations. Specialists can also establish repeatable certificate lifecycle controls so security does not depend on manual checks.
What strong specialists deliver
Strong professionals trace a handshake from client to server and explain failures in clear terms. They validate certificate chains, subject alternative names, revocation behavior and supported protocols across real clients. They also document ownership, renewal paths, private-key handling and rollback steps instead of treating encryption as a one-time configuration.
Working in Frankfurt
Companies can use local specialists for on-site workshops, security reviews or close collaboration with infrastructure teams. Remote delivery also works well for configuration, testing and documentation when access controls, logs and escalation paths are prepared. German or English communication may be relevant when TLS work spans local stakeholders and international service teams.
Frequently asked questions
What clients ask us most about SSL/TLS — answered in short.
SSL/TLS protects data exchanged across networks and confirms that a client is communicating with the intended service. It secures HTTPS websites, APIs, internal services, email transport, remote access and many cloud connections.
TLS is the current protocol family, while Secure Sockets Layer is its older predecessor. People still use “SSL certificate” as a common term, but a properly configured modern system should negotiate TLS rather than obsolete SSL versions.
SSL/TLS encrypts data in transit and authenticates endpoints, but it does not replace access control, encryption at rest, application security or network segmentation. A specialist should define how certificates and trust fit into the wider security design.
SSL/TLS work often involves DNS, HTTP, Linux, reverse proxies, load balancers and certificate authorities. For cloud and microservice environments, experience with Kubernetes, service meshes, secrets management and identity systems is also useful.
The right SSL/TLS specialist depends on the scope, not a fixed duration of experience. A certificate replacement may need focused operational knowledge, while a multi-environment migration or mutual TLS rollout calls for strong networking, automation, troubleshooting and security design skills.
SSL/TLS projects are often suitable for remote collaboration when systems provide controlled access, test environments and useful logs. On-site work in Frankfurt can help with workshops, regulated environments or coordination across infrastructure and security teams.
A strong SSL/TLS professional explains certificate chains, trust decisions, protocol negotiation and failure modes without relying on vague claims. Ask for a test plan, renewal ownership, private-key safeguards, monitoring approach and rollback procedure.
SSL/TLS specialists should clarify certificate ownership, issuing authorities, domains, environments, supported clients and access boundaries first. They should also confirm renewal deadlines, change controls, incident contacts and whether the work covers only configuration or the full certificate lifecycle.
The average hourly rate of freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects is 93 €, which corresponds to a daily rate of about 740 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects, 90% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects are German (100%), English (100%), and Russian (18%).
The most common industries among freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Banking and Finance (82%), and Transportation (73%).
The most common business areas among freelancers in Frankfurt, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Product Development (82%), and Project Management (82%).
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.
Berlin 
Hamburg 
Munich 
Cologne 
Dusseldorf 
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FRATCH CEO
