Yii Experts in Germany
for secure web applications, matched in minutes with vetted freelance specialistsHire experts who build and maintain PHP web applications with Yii, Yii2, REST APIs, database integrations and modular back-office systems. Get fast, precise access to vetted and available freelancers matched to your technical requirements.
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.
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
Christopher G.
Last position:
Frontend Developer at IAS Ideas & Solutions GmbH
- Developed a web application for horse betting
- Converted components to script syntax
Peter G.
Last position:
Software Developer at Freelancer
- Digitalization in the public sector
- Worked on 4 different projects so far
- Developed a tool to manage municipal data
- Developed a tool for certifications
- Further developed two tools for managing grants
- Created function modules based on .NET
- Wrote SQL queries for reports and documents
- Wrote scripts for data imports into the FISBOX® database
- Developed specialist applications with the standard tools of FISBOX
- Designed data model and form structure
- Implementation with FISBOX
- Developed reports with FISBOX
- Developed reports with SQL Server Reporting Services
- Contributed to requirements gathering and analysis of client needs and to creating technical concepts
- Created and updated technical documentation
- Created test cases, ran developer tests and assisted with 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
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 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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 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 19 Sep 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
Yii at a glance
Yii is an open-source PHP framework for building structured, secure and high-performance web applications. Its name comes from “Yes, it is,” reflecting a focus on simplicity and efficiency. Yii2 is the modern major version, while Yii 1.1 still appears in established applications that require careful maintenance.
What Yii builds
Yii supports customer portals, content-heavy websites, administrative interfaces and business applications with complex workflows. Its MVC structure separates presentation, business logic and data access, making larger codebases easier to maintain.
- Account and access management
- RESTful APIs and service integrations
- Back-office and reporting interfaces
- Data-driven web applications
Ecosystem and tooling
Yii specialists work with PHP, Composer, relational databases and common web servers. The framework includes Active Record, migrations, validation, caching, authentication and authorization components. Projects may also use Yii Extensions, Bootstrap-based interfaces, queues, testing tools and containerized deployment workflows.
When companies need specialists
Companies often bring in freelance Yii expertise when a legacy Yii 1.1 application needs a controlled upgrade, when an existing Yii2 system requires new modules, or when internal teams need support with performance and security work. Germany-based organizations may also value professionals who can collaborate on-site or remotely and communicate clearly in German or English.
- Assessing and modernizing an existing Yii codebase
- Connecting APIs, payment services or enterprise systems
- Improving database queries and application speed
- Preparing releases, tests and technical documentation
Strong Yii professionals
Strong professionals understand both the framework and the PHP applications around it. They design clear models, controllers and services, use migrations safely, protect forms and APIs, and know when Yii conventions should be extended rather than bypassed. They also explain trade-offs around upgrades, technical debt and long-term maintenance.
Choosing the right fit
Match the specialist to the project’s actual Yii version, hosting model and delivery stage. Maintenance work benefits from careful code reading and regression testing, while new product work calls for sound architecture and API design. Ask for examples of comparable Yii systems, their approach to security reviews, and how they document changes for the next team.
Frequently asked questions
What clients ask us most about Yii — answered in short.
Yii is a PHP framework for structured web applications, APIs, portals and internal business systems. It is well suited to applications with database-driven workflows, access control, forms, reporting and integrations.
Yii emphasizes a compact framework structure, efficient database access and practical conventions. Laravel often offers a broader out-of-the-box ecosystem, while Symfony provides highly modular components; the best choice depends on the existing codebase, team preferences and project requirements.
A strong Yii specialist usually works comfortably with PHP, Composer, SQL, Git, REST APIs and web security. Experience with Linux hosting, Docker, automated testing, JavaScript interfaces and cloud deployment can also be important.
Yii work should be matched to the version already used by the application. Yii2 expertise is important for current development, while Yii 1.1 knowledge matters for legacy maintenance, risk assessment and migration planning.
The right level depends on the scope and risk of the work. Yii maintenance may call for a specialist who can trace unfamiliar code and protect existing behavior, while a new application or major upgrade requires stronger architecture, testing and delivery skills.
Yes. Yii projects can usually be handled remotely through version control, issue tracking, documentation and regular technical reviews. For teams in Germany, clarify preferred working hours, on-site expectations and whether communication should be in German, English or both.
Ask how the specialist approaches an unfamiliar Yii codebase, database changes, security controls and automated tests. A capable Yii professional can explain past trade-offs clearly, identify technical risks early and provide maintainable solutions rather than only adding features.
Yii can support modernization when the existing application is assessed before changes begin. A specialist may introduce tests, improve separation of concerns, update dependencies, strengthen API boundaries and plan a gradual move from Yii 1.1 to Yii2 where that is justified.
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 718 € 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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
