Yii Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Yii
Kiriakos Krastillis
Last position:
Tech Lead / Architect : OTTO API Platform at OTTO
maturing their API Practices on both, a Business and Technology level. My role encompasses 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, nodejs, typescript, redocly, reactive programming, CDC, golang, gingonic, GitOps, DX (developer experience), stakeholder management, roadmaps, workshops, discovery.
Markus Steffen
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 Swain
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 Groß
Last position:
Frontend Developer at IAS Ideas & Solutions GmbH
- Developed a web application for horse betting
- Converted components to script syntax
Peter Glöckner
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 Tarantin
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 Meyer
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
Stefan Jacomeit
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 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
Sven Hasselbach
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 Velusamy
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
Andreas Müller
Last position:
Managing Director at ESIS-ERP GmbH
- took over as managing director
Jan-Niklas Freundt
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 Harms
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 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Yii in practice
Yii is a PHP framework for building web applications, APIs, and internal tools. Teams choose it for clear structure, fast delivery, and a codebase that stays maintainable as the product grows. It is a strong fit for portals, dashboards, and business systems that need reliable forms, authentication, and data handling.
What specialists deliver
- Custom web applications and customer portals
- REST APIs and JSON back ends
- Admin panels, workflows, and content tools
- Authentication, permissions, and role handling
- Database-driven features with clean MVC structure
Ecosystem and tooling
Strong Yii professionals work confidently with Composer, PHP testing tools, database migration flows, and common PHP integrations. They know the difference between Yii 2 and Yii 1, can read existing modules, and keep dependencies under control. That matters when a project needs upgrades, extensions, or careful refactoring.
When companies bring in help
Companies usually need freelance Yii expertise when a product must be extended without disrupting live users. Common triggers include legacy maintenance, performance issues, new API layers, or a team that needs short-term reinforcement. In Germany, this often comes up in product teams that want experienced support in English or mixed-language collaboration.
What strong experts do well
A strong Yii specialist writes code that is easy to review, test, and extend. They understand routing, validation, security, caching, and database access patterns, and they do not rely on shortcuts that create fragile releases. They also document changes well so another expert can take over cleanly.
Signs the project needs Yii expertise
- An older Yii application needs safe changes
- A PHP system must expose new APIs
- Forms, permissions, or workflows are getting complex
- Releases are slow because the code is hard to maintain
- The team needs support for debugging or upgrades
Frequently asked questions
What clients ask us most about Yii — answered in short.
Yii is used to build web applications, APIs, admin areas, and internal business tools in PHP. It is common in systems that need structured forms, authentication, role-based access, and database-backed workflows. Teams also use Yii for maintenance work on existing applications that need careful, low-risk changes.
Yii is often chosen when a team wants a framework that feels lean and practical for business applications. Compared with Laravel, it can feel more explicit and less opinionated in some areas; compared with Symfony, it is usually approached as a faster path to application delivery. The right choice depends on the existing codebase, team habits, and long-term maintenance needs.
A strong Yii specialist should also know modern PHP, Composer, SQL, testing, REST design, and common security practices. Experience with caching, queues, migrations, and legacy code is valuable too. If the project touches the front end, basic JavaScript and API integration skills help a lot.
Not every Yii task needs deep seniority, but the level should match the risk of the work. Simple feature additions can be handled by a solid specialist, while upgrades, architecture changes, and tricky bug fixes benefit from someone who has shipped and maintained larger systems. For older codebases, senior experience usually saves time.
Yes, Yii work is very suitable for remote collaboration because most tasks are code-, review-, and documentation-driven. For teams in Germany, clear written communication and predictable handover notes matter more than location. On-site sessions can still help at the start of a complex migration or discovery phase.
Yii can still be a good choice for new applications when the project needs a clean PHP stack with fast delivery and clear structure. It works especially well for admin-heavy products, portals, and systems with a lot of business rules. If the team already knows Yii, that can be a strong reason to use it again.
Look for a Yii expert who explains trade-offs clearly, keeps controllers thin, and separates business logic from presentation. Good signs include clean pull requests, tests where they matter, and careful handling of validation and permissions. Ask how they approach upgrades, debugging, and code that must be maintained by others.
In practice, Yii and Yii Framework usually refer to the same PHP framework. People often search both terms when they need help with the codebase, extensions, or maintenance of an existing application. A good specialist should understand the current version, the older Yii 1 codebase if needed, and the project’s upgrade path.
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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