
Yii Experts in Germany
, matched with vetted freelancers in minutesHire experts who deliver fast, secure PHP applications with Yii, Yii2, REST APIs, database integrations and custom admin interfaces. FRATCH connects you with precise matches from vetted, available freelancers for remote or on-site work in Germany.
Meet FRATCH Experts in Germany, who have recently used Yii
Kiriakos K.
Last position:
Tech Lead / Architect : OTTO API Platform at OTTO
Maturing their API practices on both a business and technology level. My role covers strategy, architecture, developer advocacy as well as hands-on software engineering, enabling both technical teams and business leadership to adopt and act on API-centric principles effectively. Coincidentally, we also establish GitOps, DX and platform best practices with this project.
Highlights:
- Aligning executives with the initiative by clarifying strategy, replacing misconceptions and myths with facts, clarifying the value of existing assets and enabling informed decision-making
- Formulating a way forward for API Lifecycle Management at OTTO
- Driving platform progress and fostering developer engagement by hands-on engineering work towards strategic goals
API Lifecycle Management, Team Topologies, Organizational Evolution, Regulatory, Platform Advocate, Developer Platform, Communities of Practice, Terraform, Kotlin, Kafka, Kong, WSO2, Apigee, Gravitee, Backstage, AsyncAPI, OpenAPI, API Design, AWS, React, Node.js, TypeScript, Redocly, reactive programming, CDC, Golang, Gin, GitOps, DX (developer experience), stakeholder management, roadmaps, workshops, discovery.
Markus S.
Last position:
Fullstack Developer at VRM Digital / RYZE
- Development and maintenance of a news portal CMS with interfaces.
- PHP development with HTML, CSS, SCSS, JavaScript, MySQL, Laravel, documentation of the interfaces and the system.
- Further development of the SSO system based on Laravel with a large API and connections to AWS, SAP, ERPS.
- Reorganisation and development of the news portals on the basis of a publish platform, services and interfaces to Google, Facebook, Twitter, SSO, SAP technical based on NodeJS with TypeScript and AWS.
- Technologies: PHP, Laravel, MySQL, JavaScript, Vue.js, NodeJS, TypeScript, jQuery, CSS, SCSS, SASS, Unix, Jira, Confluence, Git, Apache, Nginx, AWS.
Ayusee S.
Last position:
Intern at Schaeffler
- Built a Trend-Scouting AI system to automate technology intelligence in power electronics and semiconductors, combining Azure OpenAI with LangChain, Scrapy-based web crawling for structured, noise-free data acquisition, and automated PDF reporting for internal R&D use. Developed a FastAPI-based (Uvicorn) web application to validate LLM outputs, test prompt strategies, and enable interactive system evaluation.
- Developed a real-time STM32 binary telemetry debugger with a PyQt-based GUI, featuring header-based frame synchronization, anomaly detection, template-driven payload decoding, time-aligned buffering, and live signal visualization.
- Developed an AI-driven power inductor designer using surrogate regression models for accurate electromagnetic and thermal prediction. Integrated multi-objective NSGA-II optimization to generate efficient, manufacturable designs.
Christopher G.
Last position:
Frontend Developer at IAS Ideas & Solutions GmbH
- Development of a web application for horse betting
- Conversion of the components to script syntax
Peter G.
Last position:
Software Developer at Freelancer
- Digitalization in the public sector
- Worked on 4 different projects to date
- Development of a tool for managing municipal data
- Development of a tool for certifications
- Further development of two tools for managing funding
- Creation of functional modules based on .NET
- Creation of SQL queries for reports and documents
- Creation of scripts for data transfers to the FISBOX® database
- Creation of specialist applications using the standard tools of FISBOX
- Development of data models and screen structures
- Implementation with FISBOX
- Development of evaluations with FISBOX
- Development of evaluations with SQL Server Reporting Services
- Participation in requirements gathering and analysis of customer requirements, as well as in the creation of technical concepts
- Creation and further development of technical documentation
- Creation of test cases, execution of developer tests and participation in quality assurance measures
- Technologies: FISBOX, C#, .NET, Visual Studio, MSSQL, SSMS, SSRS, Power BI, TFS, Git, Angular, Blazor
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
Stefan J.
Last position:
PHP / Symfony Fullstack Developer via temporary staffing at N.V.L. Group
- PHP legacy and Symfony 5+ development of N.V.L. Group's own ERP from PHP 7.4 onward including Oracle SQL, RabbitMQ, React and ExtJS
- Use of Docker and GitLab to manage containers and source code
- Implementation of unit, integration and functional tests
- Frontend development with React and ExtJS in Docker containers via GitLab
Nils M.
Last position:
Database Architecture for PostgreSQL at ComputaCenter / Deutsche
- Planning and documentation of database architecture and integration with other components provided by other teams and vendors
- Extensive documentation for the architecture, security, access control, encryption, roles and user management, backup and restore, disaster recovery and general operations
- Deployment of database clusters over 2 locations with 2 availability zones each
- Automation of deployment and operations including backup using Ansible
- Hardening of the database and operating system
- Migration of existing stand-alone database systems to cluster setup
- Technologies: PostgreSQL, Patroni, etcd, barman, RedHat Enterprise Linux 9 (RHEL), Ansible, Ansible Automation Platform, TLS, Hashicorp Vault, LUKS
Andreas M.
Last position:
Managing Director at ESIS-ERP GmbH
- Took over management of the company
Sven H.
Last position:
Contract Management Workflow Application
- Architecture, review, consultation and development of a contract management workflow application
- Development of a JSF-based platform (XPages) for coordinating new products from partners' initial ideas to contract execution with clients
- Generation of contract documents based on the agreements reached
- Implementation of workflows with approval processes
- Use of Lotus Notes, Java, JSF, XPages, JavaScript, REST, Apache POI, PDF Box, Bootstrap, Selenium, JUnit and Swagger
- Development on Windows and Linux platforms
Subash V.
Last position:
SAP Concurr
- Development and support of UI and interface by using React JS, Redux, Hooks, TypeScript, NodeJS, JavaScript
- Worked on front-end components and UI tests with Jest and Enzyme
- Worked on REST API using Go and GraphQL
- Implemented efficient and optimized code for improved website performance
- Integrated code quality tools: ESLint and Prettier
- Used Docker, GitHub Actions for CI/CD, Jira, AWS, and Elasticsearch
Jan-Niklas F.
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Thorsten H.
Last position:
Self-employed Software Developer at OpenMind-IT
- Migrated old printing processes and workflows from legacy Linux systems to new systems
- Migrated old Perl scripts to the new environment or recreated the processes in Python
Discover over 15,000 top freelancers
Statistics of experts using Yii
Aggregated from the professional profiles of matched freelancers.
Experience
17 years

Position duration
2.1 years

Positions per freelancer
14

Top business areas
Information Technology, Product Development, Operations

Top industries
Information Technology, Banking and Finance, Government and Administration

Certification focus areas
Information Technology, Business Intelligence, Product Development
Bachelor's degree or higher
78%
Master's degree or higher
44%
Doctorate
11%

Certifications per freelancer
3

Most common languages
German, English, Greek

Speak two or more languages
92%
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 Yii
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.
Yii 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 (54%)
- Government and Administration (54%)
- Retail (54%)
- Automotive (46%)
- Media and Entertainment (46%)
- Education (38%)
- Healthcare (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Framework foundations
Yii is an open-source PHP framework for building structured, high-performance web applications. Its name comes from “Yes, it is,” reflecting a practical approach to rapid development. Yii2 is the modern version most teams refer to when discussing current projects, while Yii 1 appears in established legacy systems.
Applications and systems
Yii supports custom business software, content platforms, customer portals, e-commerce functions and data-heavy back-office tools. Its MVC architecture separates interface, application logic and data access, making complex PHP systems easier to extend and maintain.
- Customer and partner portals
- RESTful APIs and service layers
- Admin panels and workflow tools
- E-commerce and catalog functions
Ecosystem and tooling
Yii specialists work with PHP, Composer, PostgreSQL or MySQL, Redis, queues and common web servers. The framework includes Active Record, validation, caching, authentication, routing and testing support. Strong command of JavaScript, HTML, CSS and API security is often essential for complete delivery.
When expertise matters
Companies bring in freelance Yii specialists when a legacy application needs a safe upgrade, a new module must integrate with existing data, or an internal team needs extra capacity. In Germany, Yii systems may support industrial operations, commerce, publishing and service businesses. Remote collaboration works well when repositories, environments and requirements are clearly documented; on-site work can help with sensitive processes and stakeholder workshops.
Delivery and maintenance
A capable professional can assess a Yii codebase, map dependencies and create a realistic delivery plan before changing production code. They handle migrations, performance tuning, automated tests, deployment pipelines and monitoring. They also document decisions so internal teams can operate the system after the engagement.
- Review Yii and PHP architecture
- Upgrade or stabilize Yii2 applications
- Connect APIs and external services
- Improve security, caching and database queries
Signs of strong specialists
Look for practical experience with the exact Yii generation, PHP version and hosting setup used by the project. Strong specialists explain trade-offs around Active Record, database design, caching and API boundaries in clear terms. They ask about business rules, release practices and technical debt rather than treating the framework as an isolated tool. A useful review includes tests, readable code, secure input handling and a maintainable deployment process.
Frequently asked questions
What clients ask us most about Yii — answered in short.
Yii is a PHP framework for creating structured web applications, REST APIs, portals and administrative systems. It is suited to projects that need clear MVC organization, database access, validation, caching and secure request handling.
Yii is often chosen for its lean structure, performance focus and efficient Active Record implementation. Laravel offers a broader convention-driven ecosystem, while Symfony provides highly modular components; the right choice depends on the existing codebase, team skills and project constraints.
A strong Yii specialist should also understand PHP, Composer, SQL, Git and deployment environments. Useful adjacent skills include JavaScript, REST and GraphQL integration, automated testing, Docker, Linux administration and secure authentication design.
For a small feature in a well-documented application, solid PHP experience and familiarity with Yii may be enough. An upgrade, performance investigation or architectural change calls for someone who can trace framework behavior, database dependencies and production risks.
Yii2 remains a practical choice where teams value a mature PHP framework, predictable structure and efficient development. It is especially relevant when a company already has Yii expertise or needs to extend an existing Yii2 application rather than replace it.
Yes, Yii work is often suitable for remote collaboration when access, environments and acceptance criteria are organized. German or English communication can support distributed delivery, while on-site sessions may be useful for requirements workshops, security reviews or coordination with non-technical teams.
Ask how the Yii professional would inspect the current architecture, protect a release and test changes before deployment. Review examples involving database design, validation, authentication, caching and error handling, and listen for specific reasoning rather than framework-only terminology.
Yii 1 applications need careful dependency review because their structure and surrounding PHP ecosystem differ from Yii2. A specialist should first map custom extensions, security exposure, hosting constraints and migration options before recommending modernization or continued maintenance.
The average hourly rate of freelancers in Germany who have used Yii in their recent projects is 90 €, which corresponds to a daily rate of about 719 € based on an 8-hour working day.
Of the freelancers in Germany who have used Yii in their recent projects, 78% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used Yii in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Germany who have used Yii in their recent projects are German (100%), English (92%), and Greek (8%).
The most common industries among freelancers in Germany who have used Yii in their recent projects are Information Technology (100%), Banking and Finance (54%), and Government and Administration (54%).
The most common business areas among freelancers in Germany who have used Yii in their recent projects are Information Technology (100%), Product Development (100%), and Operations (77%).
Main locations of FRATCH Experts, who have recently used Yii
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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