Composer Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Composer
Harold T.
Last position:
CPU Watcher — Cloud-Native Monitoring Application at SEUYTEL
- Planned and developed a CPU monitoring application for monitoring system performance and resource utilization.
- Designed and implemented a Spring Boot backend providing a REST API for processing and exposing monitoring data.
- Developed the React frontend for presenting monitoring information in a clear and user-friendly interface.
- Integrated PostgreSQL for persistent storage and management of application data.
- Containerized the application and its services using Docker Compose.
- Automated infrastructure provisioning and deployment using Terraform on AWS.
- Structured the application as a modern, maintainable system using REST-based communication between frontend and backend.
- Designed and developed a secure, scalable CPU monitoring architecture (cpu-watcher) with a dedicated collector application that streams monitoring data to the backend, reducing direct exposure of system resources.
- Designed a secure cloud infrastructure with the database isolated within a private network and OIDC-based authentication.
- Implemented Infrastructure as Code with Terraform and integrated version-controlled CI/CD pipelines to automate testing, infrastructure changes, and application deployments.
- Designed and implemented the frontend delivery architecture using AWS CloudFront.
Stack: Spring Boot · React · PostgreSQL · REST API · Docker Compose · Terraform · AWS
Abdellatif L.
Last position:
Senior Software Engineer & Team Lead at Euvia Travel GmbH (sonnenklar.TV)
- Technical lead of a four-person development team during the two-year redevelopment of the sonnenklar.TV travel portal with over 10,000 daily visitors
- Replaced an established legacy architecture based on Laminas (Zend Framework) and Elasticsearch with a headless platform based on TYPO3 LTS and MariaDB — consolidated two systems into one and significantly reduced operational and maintenance effort
- Built the frontend independently with Vue.js, Nuxt, TypeScript and TailwindCSS; developed most of the component library independently
- Migrated the editorial workflow for over 30 editors from a custom-built backend to the TYPO3 backend
- Significantly reduced loading times for core pages; continuous delivery via Jenkins and GitLab CI
Position ended due to operational reasons as part of staff reductions following the decline in demand in the travel industry.
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
Anselm H.
Last position:
Freelance Fullstack Principal Developer at Fiberbase GmbH
Working as a full-stack (next.js, Postgres) engineer and consultant to build the core platform with underlying services for location-based comparisons and requests. I’m working on performance optimization across the stack (especially Postgres queries) and writing product specifications and the platform architecture with another colleague.
Julian H.
Last position:
Working Student / Master's Thesis Student in Software Development at Scale GmbH
- Tech stack: Python, Qt, tensorflow.js, plotly, Angular, TypeScript, HTML, CSS, Git
Stefan K.
Last position:
C# .NET/WPF Developer at Hessische Zentrale für Datenverarbeitung
- Redevelopment of outdated software used in Hessian schools in C# .NET/WPF
- Understanding and analysis of old Delphi and Visual Basic 6 source code
- Use of Visual Studio 2022 as IDE
- Team collaboration through pull requests and version control with Git/SourceTree
- Project management with proprietary wiki software and Open Project
- TechStack: C#, .NET 8.0, WPF, Visual Studio 22, Delphi, Visual Basic 6, LDAP, Active Directory, FTP, SMB, Git, SourceTree
- Workflow: pull requests, Open Project, weeklies, weekly meetings, dynamic communication
Dmitry T.
Last position:
Web Software Engineer at Freelancer
Third-side integration development (REST: Amazon, OpenAI, Etsy, Shopware, Prestashop, etc)
Performance optimization (Refactoring, SQL analysis)
LMS development and deployment (Moodle)
Cloud deployment automation (Amazon, Azure, Gitlab CI/CD, Docker)
Backend and Frontend development (Laravel, VueJs)
Collaboration with partner-developers (national and international)
Shirtigo GmbH
GRELLARTIG Digital GmbH
velpTEC edutainment GmbH
Svyetoslav P.
Last position:
CTO at Skar Audio
- Main developer in an online retail company
- Built an online shop using the Next.JS React framework
- Integrated the site with dozens of third-party apps using REST and GraphQL APIs
- Built a backend for order management, warehouse management (with iPhone app), and supply management
- Automated invoicing and finances with QuickBooks
Yannis V.
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 basics
- Development of augmented reality applications with Unity
- Software documentation
- and much more
Kamel B.
Last position:
Senior TYPO3 Developer at IHK für München und Oberbayern
- Planning and implementing the upgrade of the existing TYPO3 installation to TYPO3 11, including switching to a Composer setup (Composer-based deployment)
- Migrating the underlying MySQL database
Ivan V.
Last position:
Senior DevOps Engineer at 58agents
- Provision Kubernetes infrastructure on Azure, GCP, or bare-metal at the hosting provider
- Design and implementation of REST and GraphQL APIs
- Cloud governance (cost, compliance, security)
- Infrastructure-as-Code and CI/CD as code (Terraform, Ansible)
- Container technologies (Docker, Helm)
- Maintain and improve CI/CD pipelines (GitLab CI, GitHub Actions), Argo CD
- Deployment, scaling, and monitoring of microservices
- Distributed event streaming (Kafka)
- Message brokers RabbitMQ, MQTT
- Software development from scratch or further development of existing projects using PHP, Python, Go, C#, and Bash
Eugene K.
Last position:
Lead PHP Web Developer at Deutscher Fachverlag GmbH
- PHP application development for the following news portal CMS:
- lebensmittelzeitung.net
- textilwirtschaft.de
- horizont.net
- iz.de
- fvw.de
- ahgz.de
- horizont.at
- agrarzeitung.de
- food-service.de
- fashionmagazine.it
Martin S.
Last position:
TallyUp at Gerd Thom GmbH
- Optimized the UI of the Android-based POS software 'TallyUp'
- Analyzed the existing interface and collected user feedback based on system and distributed systems design
- Developed new designs and features
- Implemented improvements using Angular and Ionic
- Used NestJS, MySQL, MongoDB, PostgreSQL, Redis, MS SQL, RabbitMQ
- Technologies: TypeScript, Angular, Ionic, chart.js, Docker, GitLab CI, GitHub Actions, Stencil.js, Astro, Polymer, Shopware 5, Magento 1.x, Lerna, Storybook, Jenkins, Gitea, Material UI, Axios, Bootstrap, gulp.js, Bower, Deployer, Go, Handlebars, jQuery, OpenAI API, nginx, FrankenPHP, SonarQube, LokiJS
Ehsan A.
Last position:
Senior FullStack Developer at Modix GmbH
- Conduct daily 15-minute standup Scrum meetings, pick up tasks from the Jira storyboard, design, develop, and maintain web applications using PHP8, Symfony APIs, React.js, TypeScript, Node.js, MySQL, Docker, Redis caching, and Git, as well as write test cases
- Write clean, efficient, reusable, and secure code following best practices
- Optimize application performance and scalability
- Integrate third-party APIs, services, and payment gateways
- Collaborate with front-end developers and other team members to deliver end-to-end solutions
- Design and manage MySQL databases
- Perform code reviews and ensure adherence to coding standards and security guidelines
- Troubleshoot and resolve complex technical issues
- Use GitLab for deployment processes and CI/CD pipelines
- Contribute to architecture planning, system enhancements, and new features, and document using Jira Confluence
- Continuously research new PHP technologies, frameworks, and development trends
Thomas H.
Last position:
Software Developer at IT-Spoon GmbH
- Full-stack development of new applications as well as error analysis and fixing
- Refactoring to a framework
- Customization of shop software
- Connecting the SAP interface and exporting data to the shop
- Production control with time scheduling
- Connecting invoicing to ZUGFeRD (electronic invoice transmission)
- Technologies used: PHP, MySQL, Symfony, Laravel, JS, jQuery, MSSQL, ZUGFeRD
Discover over 15,000 top freelancers
Statistics of experts using Composer
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
3.5 years
Positions per freelancer
10
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Education
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
81%
Master's degree or higher
42%
Doctorate
8%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
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 Germany 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 Germany using Composer
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.
Composer 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 (97%)
- Retail (56%)
- Education (41%)
- Banking and Finance (41%)
- Media and Entertainment (34%)
- Healthcare (28%)
- Government and Administration (28%)
- Energy (22%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
PHP Dependency Management
Composer is the standard dependency manager for modern PHP applications. It reads composer.json and composer.lock files, resolves package versions, installs libraries and creates the autoloader that connects application code to its dependencies. Strong configuration keeps builds repeatable across local, test and production environments.
Packages and Autoloading
Composer specialists structure applications around Packagist packages, private repositories and PSR-4 autoloading. They select compatible libraries, define version constraints, maintain custom packages and handle updates without destabilizing the application. They also understand semantic versioning, platform requirements and the difference between direct and transitive dependencies.
Framework Ecosystems
Composer sits at the center of ecosystems such as Laravel, Symfony, Drupal, WordPress and Magento. Professionals use it to install framework components, extend content management systems, manage plugins and connect tools for testing, coding standards and static analysis.
- Create and maintain composer.json and composer.lock files
- Configure private repositories and package authentication
- Build reusable PHP libraries and internal packages
- Resolve dependency conflicts and platform compatibility issues
When Expertise Helps
Companies often bring in freelance Composer expertise during a PHP modernization, framework migration or release pipeline redesign. A specialist can untangle outdated dependencies, reduce deployment differences and introduce dependable update routines. In Germany, remote collaboration is common, while on-site work can help when application, infrastructure and security teams need close coordination.
Delivery and Security
Reliable Composer work includes controlled updates, reviewable lock-file changes and reproducible deployments. Specialists check abandoned or vulnerable packages, limit unnecessary dependencies and protect credentials used for private repositories. They connect Composer with Git workflows, continuous integration, container builds and deployment automation.
What Strong Specialists Bring
The best professionals look beyond running composer install. They trace dependency graphs, explain upgrade risks, test changes against the application and document decisions for the team. They also know when to prefer a maintained package, when to isolate legacy code and how to keep package management practical for the project’s long-term ownership.
Frequently asked questions
Not sure where to start with Composer? These answers cover the essentials.
Composer manages PHP libraries and their dependencies. It reads project requirements, installs compatible packages, generates autoloading rules and records exact versions in composer.lock so environments can be reproduced.
Composer is designed for the PHP ecosystem, while npm focuses on JavaScript and Node.js packages. A project may use both when its PHP application also includes a JavaScript build process; each tool manages its own dependency tree.
A strong Composer specialist usually understands PHP, Packagist, PSR standards and a framework such as Laravel or Symfony. Git, automated testing, CI pipelines, Docker and secure deployment practices are also valuable for production work.
The right Composer experience depends on the work. A small package update may need focused dependency knowledge, while a migration or large monolithic application calls for someone who can analyze conflicts, test upgrades and plan releases.
Composer work is well suited to remote collaboration because configuration, lock files and package changes are reviewed in version control. Clear documentation, access to CI systems and agreed communication routines matter more than permanent on-site presence.
Bring in a Composer professional when dependency conflicts slow releases, a PHP application needs modernization or deployments differ between environments. External expertise is also useful for introducing private packages, auditing dependencies or improving update workflows.
Look for a Composer specialist who explains version constraints, keeps lock-file changes intentional and tests updates against the application. Good work includes secure repository credentials, reproducible builds, clear documentation and a practical rollback plan.
Common Composer problems include incompatible version constraints, abandoned packages, missing PHP extensions and differences between local and production environments. A capable specialist identifies the dependency chain, resolves the root cause and avoids masking problems with broad updates.
The average hourly rate of freelancers in Germany who have used Composer in their recent projects is 91 €, which corresponds to a daily rate of about 731 € based on an 8-hour working day.
Of the freelancers in Germany who have used Composer in their recent projects, 81% hold at least a Bachelor's degree, 42% hold at least a Master's degree, and 8% hold a doctorate.
On average, freelancers in Germany who have used Composer in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 3.5 years.
The most common languages among freelancers in Germany who have used Composer in their recent projects are German (100%), English (100%), and French (16%).
The most common industries among freelancers in Germany who have used Composer in their recent projects are Information Technology (97%), Retail (56%), and Education (41%).
The most common business areas among freelancers in Germany who have used Composer in their recent projects are Information Technology (100%), Product Development (88%), and Project Management (44%).
Main locations of FRATCH Experts, who have recently used Composer
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
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Philipp Thomaschewski
FRATCH CEO
