PHP Expert in Cologne
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Meet FRATCH Experts in Cologne, who have recently used PHP
Christoph S.
Last position:
Test Manager at Logistics
- Coordination and planning, execution, documentation, and analysis of test cases
- Development of test concepts considering best practices (e.g., test pyramid) with a focus on reliable, automatable test runs
- Implementation and maintenance of test cases according to the test concepts
- Technologies: Citrix Workspace, Shopify, Jira, Xray, MS Teams, MS SharePoint, Confluence, MS Office 365
Patrick D.
Last position:
Fullstack Developer
- SPA for automated communication of medical findings with role-based access (Sanctum)
- Server-side LLM integration (OpenRouter) with structured processing
- Automated sending via SMS/voice call (Twilio, ElevenLabs) with queue + status retry
- Full test coverage with 80+ documented test cases
Technologies: PHP, Laravel, LLM API (OpenRouter), Twilio, ElevenLabs, Laravel Sanctum, PHPUnit, Playwright, Docker, REST
Hassan A.
Last position:
DevOps & Observability Consultant at ALDI South (Albrecht's Discount)
- Supporting the DevOps team in Terraform-managed, multi-region AWS infrastructure to achieve environment parity.
- Developed end-to-end CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, automating the build and deployment.
- Maintained pre- and post-deployment scripts to automate critical tasks such as database schema migrations and environment sanity checks.
- Implemented CI/CD flow specifically for hotfixes via separate Git branches, managing back-merge activities from feature branches to release branches to ensure code integrity through automated conflict resolution.
- Deployed a dedicated, lightweight sanity check application hosted cost-effectively on Azure Container Apps to run automated health and basic functional checks as a post-deployment activity triggered via pipeline.
- Investigated production incidents through code changes and AWS CloudWatch logs.
- Coordinated integration of Dynatrace APM and its APIs for monitoring purposes.
- Full stack QA strategist for a high-traffic e-commerce platform built on a layered architecture for the back-end testing of core platform services, especially the order management system in Zed and Glue layers.
- Managed automation activities, testing process, and refactoring practices.
- Responsible for framework migrations, setup, and training for new automation frameworks.
- Promoted a shift-left approach within the QA team and created the test concept.
- Participated in meetings with IT managers, business owners, product owners, and team members.
- Designed and implemented contract testing to validate API schema compatibility between the order management system and the Zed and Glue layers, reducing production-relevant breaking changes by approximately 3%.
- Led the migration to a multi-environment framework that enabled test execution across 4 country configurations from a single codebase.
- Integrated automated unit and functional tests directly into the GitLab CI/CD pipeline, reducing pipeline runtime by 32%.
- Coached and trained 5 QA engineers across Germany and Hungary in test automation, framework architecture, and best practices.
- Architected a layered backend test automation framework separating business logic, API request builders, and the database layer.
- Piloted AI-assisted testing with Playwright Agents, the Playwright MCP Server, and GitHub Copilot for automated test generation, execution, and self-healing Playwright scripts.
Vitaliy M.
Last position:
Team Lead Development with a focus on lead generation at one of Germany's largest insurance companies
- Backend WordPress web development.
Andreas E.
Last position:
Consultant at Iteratec GmbH
Kai B.
Last position:
Freelance CPQ Consultant (Full-Time) at Freelance CPQ Consultant
- Independent CPQ consulting for a portfolio of industrial manufacturers, including Scheidt & Bachmann, Trützschler Group SE, and Weiss Klimatechnik GmbH (Schunk Group)
- Full project coverage: requirements analysis, concept, system design, implementation, testing, and international go-live support
- Deep integration work with SAP ECC (material master replication, SD document creation, material creation, general APICONNECT and other web service interfaces)
- Process consulting: analysis and optimization of internal quoting processes for sales and management
- Knowledge transfer/coaching and pair programming to strengthen internal team skills
Andreas W.
Last position:
Freelancer at Infrafibre Networks GmbH
- Assessing the current status (planning stage / rollout status) of the so-called inter-polygon routes
- Creating an end-to-end project plan for the individual routes, considering active and passive components and tasks
- Monitoring and controlling the implementation of the plan
- Optimizing the chosen network architecture
- Creating network and splice diagrams
Andreas K.
Last position:
Backend Developer at Univention GmbH
- Developed a SCIM-compliant Python interface to connect external systems
- Expanded and enhanced UCS modules in Python
- Extended and newly developed Helm charts for container orchestration in Kubernetes
- Maintained and further developed CI/CD pipelines in GitLab
- Implemented automated tests with Pytest and Playwright
'Nubus' is based on a microservice architecture, relies on open source technologies, and runs in Docker containers.
UCS is an IAM complete solution based on Debian, used as an alternative to Microsoft's Active Directory. The work was characterized by the close integration of infrastructure and application logic.
Alexander V.
Last position:
Senior DevOps / Platform Engineer at Kaufland e-commerce / real.digital (ex hitmeister.de)
- Evolved the platform from bare-metal infrastructure with a monolithic PHP application to a hybrid Google Cloud architecture with Go microservices on Kubernetes
- Managed and scaled a production infrastructure with 300+ VMs and dozens of clusters, including MySQL, PostgreSQL, MongoDB, RabbitMQ, Redis and Elasticsearch clusters
- Designed architecture, deployment, monitoring, performance analysis, and upgrades for all platform services using Terraform and Ansible
- Migrated observability systems from ELK and Prometheus to Datadog, managed with Terraform
- Introduced Jenkins CI/CD with SonarQube integration and automated tests to speed up feedback cycles
- Containerized the testing environment and implemented GitLab CI pipelines for Docker image builds, static code analysis, and infrastructure tests
- Performed zero-downtime migrations of MySQL and MongoDB clusters to Google Cloud
- Developed reusable Ansible roles for database clusters and automated data obfuscation for staging environments
- Decomposed monolithic databases and migrated to microservice architectures
- Built tools to detect and optimize slow queries in MySQL and MongoDB
- Conducted online schema migrations with pt-online-schema-change without downtime windows
- Developed internal Go applications for batch queries, GitLab-Jira integration, and MongoDB backup recovery
- Technologies: Debian, Ubuntu, Alpine, Go, Bash, Python, PHP, SQL, GitLab CI, Jenkins, Drone CI, MySQL, MongoDB, PostgreSQL, Redis, Elasticsearch, RabbitMQ, Kafka, Docker, Kubernetes, Nomad, Ansible, Terraform, Grafana, ELK, Prometheus, Datadog, Nagios, Zabbix, Nginx, HAProxy, Vault, Helm, SonarQube, Filebeat, Auditbeat, Google Cloud, AWS
Florian R.
Last position:
Senior Fullstack Developer at Ivii GmbH
- Two-month modernization of the management UI for AI-powered cameras
- Rewrote a complex React application to Vue 3 with single file components
- Set up the core architecture of the Vue application and configured Vite, Pinia, Router, I18n, ESLint, and Prettier
- Custom integration of Leaflet to display detection zones on images
- Assisted with backend extension and authentication adjustments
Matthias F.
Last position:
Information Security Project Manager at Deutsche Bahn AG
- Introduction of a new Information Security Management System (ISMS) according to ISO/IEC 27001.
- Implementation of the cybersecurity guideline RL CySec-Rail for cross-border rail networks.
Peter B.
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Dirk H.
Last position:
Owner at Soorce GmbH
- On secondment to REWE digital GmbH
- Agile team coach for a brick-and-mortar retail team
- Coaching, lateral leadership and facilitation
- Establishing agile values and applying agile methods
- Team development and conflict moderation
- Facilitating company-wide strategy workshops
- Technologies: Kanban, Scrum, Microsoft Teams, Liberating Structures, Jira, Confluence, Concept Board, Miro, Test-Driven Development, OOP, DBMS (SQL, MySQL, MariaDB, PostgreSQL)
Daniel L.
Last position:
Developer / Software Architect at rffl.io
- PHP 8.4
- Platform for sweepstakes: API-first approach with Symfony/API Platform
- API Platform 4.2 (REST, JWT, Doctrine/PostgreSQL, API documentation) plus AWS tools
- Symfony 7.3 for infrastructure, hosting, and subsequent operation on AWS with ECS
- Postgres
- AWS RDS, SQS, Fargate, RDS Postgres database, and AWS SQS message queue
- Managing infrastructure with Terraform
- After successfully implementing Terraform, the GmbH was founded as the next organizational step
Ingo C.
Last position:
Founder, freelance CMS expert at CMS Consulting Cousin
- Freelance work as a CMS expert
Discover over 15,000 top freelancers
Statistics of experts using PHP
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 20 years)
Position duration
3.5 years (Germany: 3.3 years)
Positions per freelancer
10 (Germany: 13)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Professional Services, Retail
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
67% (Germany: 83%)
Master's degree or higher
53% (Germany: 46%)
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
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 PHP
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
PHP 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 (96%)
- Professional Services (40%)
- Retail (40%)
- Banking and Finance (36%)
- Transportation (28%)
- Media and Entertainment (28%)
- Telecommunication (28%)
- Healthcare (24%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What PHP does
PHP is a server-side scripting language for building dynamic websites, web applications and APIs. Its original name, Personal Home Page, evolved into the recursive name PHP: Hypertext Preprocessor. PHP runs on web servers, processes requests and connects application logic with databases, templates and external services.
Where it is used
PHP supports a broad range of digital products, from editorial websites and customer portals to online shops and booking systems. Companies use it for both new applications and long-running platforms that need reliable improvements.
- Content management systems and publishing platforms
- E-commerce stores, catalogues and checkout flows
- Customer portals, dashboards and internal tools
- REST APIs and integrations with external services
Frameworks and tooling
The PHP ecosystem includes Laravel for expressive application development and Symfony for modular, enterprise-grade systems. Specialists also work with Composer for dependency management, PHPUnit for testing, Twig for templating and tools such as Docker, Git and CI pipelines. WordPress, Shopware and Drupal bring PHP into publishing and commerce projects.
When companies bring in experts
Freelance expertise helps when a legacy application needs a safe upgrade, a delivery team needs additional capacity or a new product must move from concept to production. In Cologne, local companies may prefer on-site workshops, while distributed teams often collaborate remotely through repositories, tickets and video calls. Clear German or English communication should match the project environment.
- Modernising older PHP code and framework versions
- Designing database-backed features and APIs
- Improving test coverage, deployment and observability
- Integrating payment, CRM and third-party services
What strong specialists bring
A strong PHP professional understands more than syntax. They structure maintainable application code, choose suitable framework components and protect data through validation, access control and secure session handling. They can trace slow requests across PHP, databases, caches and web servers, then explain trade-offs in terms the wider team can use.
How to assess fit
Review work that resembles your system rather than relying on framework names alone. Ask how the specialist approaches testing, migrations, dependency updates, error handling and releases, and whether they can work inside an existing architecture. For WordPress, Laravel, Symfony, Shopware or Drupal projects, verify practical experience with the relevant ecosystem and delivery process.
Frequently asked questions
Everything clients usually want to know about PHP, in one place.
PHP is used to build server-rendered websites, content platforms, online shops, portals, APIs and business applications. It is also widely used to extend systems such as WordPress, Drupal, Shopware and Laravel-based products.
PHP is closely integrated with web hosting and has a mature ecosystem for publishing, commerce and server-rendered applications. Node.js suits JavaScript-focused teams, Python is common in data-heavy and automation work, and Java is often selected for large enterprise systems; the right choice depends on the existing architecture and delivery goals.
A capable PHP specialist often works with SQL databases, HTTP, HTML, CSS, JavaScript, Git and Linux-based hosting. Experience with Composer, Docker, automated testing, caching, CI pipelines and cloud services is valuable when the work includes production operations.
The required depth depends on the system’s risk and complexity, not on the PHP label alone. A smaller content site may need strong framework and integration skills, while a payment flow, legacy migration or high-traffic platform calls for a specialist who can handle architecture, security and controlled releases.
Yes. PHP work is well suited to remote collaboration through Git repositories, issue tracking, reviews and automated deployments. Cologne-based teams can combine remote delivery with on-site workshops when domain knowledge, stakeholder alignment or access to internal systems makes that useful.
Look for clear structure, meaningful tests, secure input handling, documented decisions and a release process that limits avoidable risk. A strong PHP specialist can explain how they would inspect an existing codebase, measure a performance issue and improve it without hiding technical trade-offs.
Yes. PHP supports all of these ecosystems, but each has different conventions, extension points and upgrade concerns. The specialist should understand the specific framework or content system, its dependency management and the way custom code interacts with updates.
A PHP engagement may involve new features, legacy maintenance, integrations, testing or deployment rather than greenfield coding alone. Freelancers should clarify the framework, hosting model, database, review process, release responsibilities and the team’s preferred language for documentation and collaboration.
The average hourly rate of freelancers in Cologne, Germany who have used PHP in their recent projects is 95 €, which corresponds to a daily rate of about 761 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used PHP in their recent projects, 67% hold at least a Bachelor's degree and 53% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used PHP in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 3.5 years.
The most common languages among freelancers in Cologne, Germany who have used PHP in their recent projects are German (100%), English (100%), and French (20%).
The most common industries among freelancers in Cologne, Germany who have used PHP in their recent projects are Information Technology (96%), Professional Services (40%), and Retail (40%).
The most common business areas among freelancers in Cologne, Germany who have used PHP in their recent projects are Information Technology (100%), Product Development (84%), and Project Management (52%).
Main locations of FRATCH Experts, who have recently used PHP
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 
Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Dresden 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
