SSL/TLS Experts in Berlin
for secure systems, matched with vetted freelancers in minutesHire experts who secure websites, APIs, cloud workloads and internal networks with certificate management, TLS configuration and OpenSSL tooling. Get precise matches with vetted, available freelancers who can work remotely or alongside your Berlin team.
Meet FRATCH Experts in Berlin, who have recently used SSL/TLS
Sascha B.
Last position:
Web Developer at GxPlex
- Built a customized MediaWiki instance, including installation, MySQL database, SSL, and automatic backups
- Set up user roles (Admin, Mod, Verified, User) and a permissions system
- FlaggedRevisions for editorial review workflows · Commenting and rating extensions
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as frontend framework and Java as backend language
- Use of the Swagger OpenAPI specification for REST communication between frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with web interface and JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts for testing outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to check the REST API of the self-developed software
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Karthikeyan R.
Last position:
Full-Stack Developer — Own Product at Self-employed
Java 21 · Spring Boot 3 · Keycloak · PostgreSQL · Docker · Nginx · GitHub Actions · DigitalOcean · React 18 · TypeScript · Plasmo
- Architected and shipped a production-ready Job Application Tracker end-to-end: REST API with 5-stage workflow, pagination, sorting, and dynamic filtering — full ownership from design to live cloud deployment on DigitalOcean.
- Implemented production-grade identity management: OAuth 2.0 / OpenID Connect / JWT / RBAC via Keycloak, applying Hexagonal Architecture and DDD principles.
- Built automated CI/CD pipeline (GitHub Actions); containerised with Docker; Nginx reverse proxy with path-based routing and SSL termination.
- Developed a Chrome Extension (Plasmo framework, Manifest V3) that auto-fills job applications directly from LinkedIn into the tracker — demonstrates full product thinking across backend API and browser client.
Peter K.
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
Can S.
Last position:
Platform Engineer at ClimateChoice
In a lean, execution-focused environment, I took ownership beyond a narrow engineering lane, shaping and implementing systems across backend, data, and infrastructure. Partnered directly with the three founders in a fast-moving, high-stakes environment, turning strategic priorities into concrete technical decisions and production outcomes.
- Owned core platform development across backend (Django/Rest Framework/Postgres), ETL (Python/Dagster), infrastructure (Terraform/Kubernetes/AWS), and frontend (typescript/react) for a climate-tech SaaS product, driving continuous cross-stack development across five repositories from October 2021 to this day.
- Architected and owned a standalone internal Python scoring framework for CRC assessments, using YAML-driven rules and metaprogramming to enable non-technical users to define complex evaluation logic without hardcoded implementations.
- Built and stabilized ETL and scraping pipelines using Dagster and Scrapfly, improving document ingestion, tagging, retry behavior, deployment flow, and operational resilience.
- Contributed to platform modernization and reliability through Django/Python upgrades, Postgres/RDS and EKS changes, CDN/TLS updates, test and performance improvements, and observability hardening.
- Drove backend engineering for product features, translating requirements into technical specifications, API contracts, data structures, and scalable implementation plans.
Baki B.
Last position:
IT Internship at Perfektup Packaging
- Gained hands-on exposure to Oracle Fusion Cloud ERP, experimenting with its core features and configurations.
- Conducted strategic research on Manufacturing Execution Systems (MES) integration, analyzing vendor proposals and market reports to support the company’s digital transformation roadmap.
- Participated in IT-team meetings on ERP requirements, cross-department coordination, and IT governance practices.
Amit G.
Last position:
Authorized Officer - Software Engineer at UBS
- Built a fee proposal tool automating financial advisor fee calculations, reducing manual processing from hours to seconds.
- Developed Spring Boot microservices with REST APIs on Azure SQL, replacing mainframe procedures, improving latency by 60%.
- Migrated Tomcat applications from on-premises RHEL servers to Azure Kubernetes Service (AKS).
- Automated testing and deployment processes using CI/CD pipelines in GitLab, reducing deployment time by 90%.
- Streamlined recurring reporting workflows by automating report generation using Spring Batch.
Henning P.
Last position:
Backend Systems Development at Deutsche Bank/DWS/Morgenfund
- Developed backend systems for the DWS Investment App, a white-label investment solution (robo-advisor), and an investment solution for institutional clients.
- Java 8-17, Kotlin, Spring Boot, Spring MVC, OpenAPI 3.0, JPA, JDBI, Oracle, Hazelcast, JXLS, Apache POI, Apache PDFBox, Apache Kafka & Avro, Active MQ, Elasticsearch, React Native, Spock Test, IntelliJ IDEA, Kubernetes, Helm, Microservices/Netflix-Stack, TeamCity, Splunk.
- Kanban team, continuous integration.
- Migrated existing applications from Deutsche Bank's private cloud environment to Azure as part of a carve-out.
Discover over 15,000 top freelancers
Statistics of experts using SSL/TLS
Aggregated from the professional profiles of matched freelancers.
Experience
16 years (Germany: 20 years)
Position duration
1.4 years (Germany: 3.1 years)
Positions per freelancer
12 (Germany: 14)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Education
Bachelor's degree or higher
100% (Germany: 81%)
Master's degree or higher
33% (Germany: 46%)
Doctorate
11% (Germany: 9%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
German, English, Hindi
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 Berlin 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 Berlin 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 (56%)
- Education (44%)
- Manufacturing (44%)
- Professional Services (44%)
- Telecommunication (44%)
- Healthcare (33%)
- Government and Administration (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SSL/TLS does
SSL/TLS protects data as it moves between browsers, applications, APIs and servers. It encrypts traffic, verifies server identity through certificates and helps prevent interception or tampering. SSL is the former name; modern implementations use Transport Layer Security, usually shortened to TLS.
Where it is used
SSL/TLS is a core control for public and private systems that exchange sensitive information.
- Secure websites, customer portals and online transactions
- Protect REST, GraphQL and machine-to-machine APIs
- Encrypt email, remote access and internal service traffic
- Secure cloud load balancers, gateways and containers
- Support mutual TLS for identity-based service access
Ecosystem and tooling
Strong specialists work across certificate authorities, public key infrastructure and server configuration. They may use OpenSSL, Java Keytool, cert-manager, ACME clients and cloud certificate services. Their scope can include Nginx, Apache, IIS, Kubernetes ingress, service meshes and application runtimes.
When expertise matters
Companies bring in freelance SSL/TLS specialists during migrations, audits, outages and major infrastructure changes. They can replace weak protocols, remove unsafe cipher suites, automate certificate renewal and trace handshake failures across distributed systems. Berlin companies often need professionals who can coordinate remotely while joining local security or infrastructure teams when required.
What strong specialists deliver
Reliable work starts with a clear threat model and an inventory of certificates, endpoints and trust relationships. Strong professionals validate certificate chains, hostname coverage, private-key handling, protocol settings and renewal paths. They document decisions, test browser and client compatibility, and create safe rollback plans.
Signals of quality
Look for specialists who can explain trade-offs without treating encryption as a checkbox. Relevant evidence includes incident resolution, certificate lifecycle automation, mTLS design, vulnerability remediation and practical monitoring. They should distinguish application errors from DNS, routing, certificate-chain and TLS negotiation problems, then leave behind repeatable configuration and clear operational guidance.
Frequently asked questions
Need clarity? These are the questions we hear most often about SSL/TLS.
SSL/TLS secures communication between clients and services, including websites, APIs, databases, email systems and internal workloads. It encrypts data in transit and uses certificates to authenticate endpoints.
TLS is the current protocol family, while SSL is its older predecessor and common industry shorthand. A specialist should normally configure modern TLS versions and help remove obsolete SSL settings from servers and applications.
SSL/TLS protects a defined connection between communicating endpoints, while a VPN creates an encrypted network path. Application-level encryption can protect selected data even after transport security ends, so these controls often complement rather than replace one another.
A capable SSL/TLS specialist usually understands DNS, HTTP, reverse proxies, Linux, cloud networking and identity management. Familiarity with PKI, certificate authorities, Kubernetes, OpenSSL and observability is valuable for diagnosing problems in production.
The right SSL/TLS experience depends on the scope. A certificate replacement may need focused configuration knowledge, while a PKI redesign, mTLS rollout or multi-cloud migration calls for someone who can assess architecture, automation, security risks and operational ownership.
Yes, much SSL/TLS work can be completed remotely through controlled access, documented changes and shared testing. On-site collaboration in Berlin may help when the work involves restricted infrastructure, hardware security modules or close coordination with security and operations teams.
Ask the SSL/TLS specialist to explain certificate-chain validation, private-key protection, renewal automation and failure recovery. Review their test plan, documentation and monitoring approach, and check whether they can improve security without breaking older but necessary clients.
OpenSSL is a widely used toolkit and library for creating keys, inspecting certificates, testing handshakes and supporting secure applications. It is useful for diagnosis, but production design may also involve operating-system stores, cloud certificate services, web servers and application-specific trust settings.
The average hourly rate of freelancers in Berlin, Germany who have used SSL/TLS in their recent projects is 78 €, which corresponds to a daily rate of about 624 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used SSL/TLS in their recent projects, 100% hold at least a Bachelor's degree, 33% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Berlin, Germany who have used SSL/TLS in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 1.4 years.
The most common languages among freelancers in Berlin, Germany who have used SSL/TLS in their recent projects are German (100%), English (100%), and Hindi (33%).
The most common industries among freelancers in Berlin, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Banking and Finance (56%), and Education (44%).
The most common business areas among freelancers in Berlin, Germany who have used SSL/TLS in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (78%).
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Essen Request a free demo
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Philipp Thomaschewski
FRATCH CEO
