Object-Oriented Programming Experts in Frankfurt
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Meet FRATCH Experts in Frankfurt, who have recently used Object-Oriented Programming
Muhammad Usama
Last position:
Software Engineer at Absolutely Digital
Johannes Euteneier
Last position:
Freelance Software Consultant at S|R Software GmbH & Co. KG
- Provided consulting for modernizing legacy applications
- Delivered critical features under tight deadlines for backend and frontend
- Technologies: C#, .NET, WPF, WCF, REST, Angular, MS SQL Server
Dimitrij Neumann
Last position:
Logistics Designer / Network Designer at Deutsche Bahn Cargo
- Requirements analysis, design, and development of a product for freight logistics (dispatching, planning, timetable and network optimization)
- Documentation of technical focus areas and support with acceptance and integration testing
- DBMS-agnostic modeling and mathematical algorithms for optimization with solver integration (Gurobi, Cplex, Coin-OR)
- Implementation of service layer, automated testing, and integration with third-party systems
Ulm Paunel
Last position:
DataStage ETL Expert at ING Bank
- Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
- Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
- Storage of the silver layer on Hadoop and the gold layer in Oracle.
- Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
- Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
- Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
- Versioning changes in GitHub and deployment via the CI/CD portal.
- Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
- Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
- Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
- Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
- Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.
Suneel Durgavajhala
Last position:
SAP Consultant & Developer at KS KeySolutions GmbH
- ABAP developments for rku.it GmbH, Agena GmbH, Koenig & Bauer AG, Salzgitter AG, duagon AG
- Redesigned material configuration data mass maintenance Fiori app for Siemens AG Engineering to resolve system resource issues
- Conducted S4Hana ABAP code remediation, ATC checks, and implemented ABAP parallel processing for Voestalpine AG
Peter Voloshin
Last position:
IT Consultant at Evotec KG
- Operation and administration of Windows 2016 / 2019 servers and domains
- Infrastructure services (Active Directory, ADFS, AD Azure Connect, DHCP, DNS, Group Policies)
- Consulting, support and troubleshooting of customer systems
- Documentation and concept design in the area of MS Active Directory
- Updating operation, process and system documentation
- Ticket handling (remote analysis and resolution via incident, change and problem management)
- Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMware vSphere, CheckMK, Exchange 2019, PowerShell, Jira, Confluence, Office 365, Matrix42, NetApp, Ansible
Erhan Yigit
Last position:
Commerzbank
- Newly developed an ASP.NET web application for mortgage financing
- Maintained and enhanced it both functionally and technically (expanded to other loan types, connected to various services, developed custom web services)
- Analyzed business requirements in close cooperation with business units
- Created IT concepts and technical documentation
- Developed backend and frontend
- Designed and implemented automated build, deployment, and testing processes
- Created scripts to automatically generate data access layers (C# classes and SQL scripts) and integrated them into build and deployment processes
- Languages: C#, PowerShell, JavaScript
- Technologies: ASP.NET, Windows Forms, XML Web Services, Windows Services, MS SQL Server, Entity Framework, unit testing, automated build, deployment, and testing processes
- Tools: Visual Studio 2005–2015, Team Foundation Server, DevExpress, Rational ClearCase, Rational ClearQuest, CruiseControl.net
Michael Yaco
Last position:
Senior Consultant, Senior DevOps Engineer at DB Regio AG
- Supported implementation and operation of a portal used online and offline in customer-facing vehicles
- Automated processes by introducing CI/CD pipelines
- Provided enablement and methodological guidance for adopting software engineering best practices
- System environment: NestJS, Node.js, npm, AWS, Docker, Docker Swarm, GitLab CI, WhiteSource, PostgreSQL, Prometheus, Grafana, OpenSearch, REST API
Kevin Müller
Last position:
Freelance Lecturer in Coaching at DSI Education GmbH
- Practice-oriented coaching on core aspects of data science
- Teaching advanced concepts in Python as well as automation (with Make and n8n) and ETL processes with Apache Airflow
- Weekly preparation and delivery of practice-oriented programming courses using real-world examples
- Promoting practical programming skills among participants through interactive exercises and individual support
- Developing didactic materials and adapting content to participants' skill levels
- Close collaboration with the team for continuous improvement of course quality and learning outcomes
Rashid Ibragimov
Last position:
Java Developer at IT company
- Data transformations
- IT company with more than 100 employees
- Software production
- Data augmentation and normalization, image transformation, format conversion, merging data from multiple sources
- Toolset: Java, Helm, Kubernetes, Kafka, OpenCV, IntelliJ IDEA, Gradle, Git, Docker, Containers, Scrum
Jörg-Ulrich Hammerbacher
Last position:
Data flows for health insurance providers
- Further development and creation of data flows for health insurance providers
- Data management across various storage systems (DB2, MSSQL, PostgreSQL, S3, custom APIs, ...)
- Documentation and training
- Planning and deployment of NiFi 2.x (major upgrade)
- Integrating Grafana for visualization, monitoring, and alerting
- Extensive use of the NiFi API to continuously monitor the system and its components
Dominic Bilke
Last position:
Freelance Engineer at Bilke Web and Software Development
- Web and software development
- Project work
Gulam Noxboundy
Last position:
Full-Stack Developer at .Attendo
Developed Skalman’s Food & Sleep Clock web app with a digital assistant that reminds users about medication intake, meals, movement breaks, and other daily routines.
Implemented personalized meal suggestions and simple recipes with support for allergies and special diets, integrating AI to generate tailored meal ideas.
Built Flight Booking App using React and Axios for the front end, Spring Boot with JPA and MySQL for the back end, and implemented user authentication, form validation, and booking logic.
Designed and built a chatbot that accepts natural language queries and generates intelligent responses using OpenAI’s language model.
Developed MarketPlace_AP with React and Axios on the front end, Spring Boot with JPA and MySQL on the back end, enabling users to discover services or products, with authentication and form validation.
Created a Meeting Calendar page allowing users to schedule, view, and manage meetings using React, Axios, Spring Boot, JPA, MySQL, and authentication with validation.
Created a Todo List Manager: built a REST API with Node.js, Express, and MongoDB; developed a React front end featuring status toggling and filtering; deployed on Heroku and integrated with GitHub for CI/CD.
Discover over 15,000 top freelancers
Statistics of experts using Object-Oriented Programming
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
2.7 years (Germany: 3.1 years)
Positions per freelancer
17 (Germany: 15)
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
100% (Germany: 91%)
Master's degree or higher
73% (Germany: 63%)
Doctorate
9% (Germany: 10%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Russian
Speak two or more languages
100% (Germany: 97%)
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 Frankfurt 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 Frankfurt using Object-Oriented Programming
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
Core approach
Object-Oriented Programming, often called OOP, is a way to structure software around objects that combine data and behavior. It is used to build business systems, APIs, desktop tools, and large codebases that need clear boundaries and reusable parts. Strong object-oriented design keeps software easier to extend and maintain.
Common work
- Model domains with classes, objects, inheritance, and composition
- Refactor old code into clearer, testable structures
- Design APIs and service layers around reusable components
- Improve code quality with encapsulation and solid interfaces
Languages and tools
OOP is not tied to one language. It appears in Java, C#, Python, PHP, Ruby, Swift, Kotlin, and many enterprise stacks. Skilled professionals also work with design patterns, unit testing, mocking, UML when needed, and code review practices that keep object models consistent.
When to bring in help
Companies usually look for freelance expertise when a codebase is growing fast, a rewrite has become risky, or a team needs help untangling tight coupling. In Frankfurt, this often matters for finance, insurance, logistics, and software teams that need stable systems and clear handovers. Remote work is common, but on-site collaboration can help when domain rules are complex.
What strong experts do
Strong Object-Oriented Programming professionals do more than write classes. They simplify design, spot hidden dependencies, and choose between inheritance and composition with care. They also explain trade-offs clearly, so teams can keep moving without creating hard-to-maintain code.
Search terms and fit
Searchers may use OOP, object-oriented programming, or the full phrase when they want the same skill set. The best experts can work in existing code, not just start clean projects. They fit best when the team needs readable structure, safe change, and software that can grow without falling apart.
Frequently asked questions
Questions about Object-Oriented Programming? Start with the answers below.
Object-Oriented Programming is used to build software where data and behavior belong together in clear units. That makes it a good fit for business applications, internal tools, APIs, and systems that need steady change over time. It is especially useful when teams want code that is easier to test, reuse, and extend.
OOP is the programming style; object-oriented design is how you plan the classes, responsibilities, and relationships before or during implementation. Good design makes the code easier to understand and change. Weak design can still use OOP syntax but produce tangled software.
Object-Oriented Programming groups state and behavior around objects, while functional programming leans more on functions and immutable data. Many real systems use both styles in the same codebase. A strong specialist knows when OOP improves structure and when a simpler functional approach is better.
Object-Oriented Programming is common in Java, C#, Python, PHP, Ruby, Swift, Kotlin, and many other mainstream languages. In practice, the language matters less than the design habits around it. Good professionals can move between stacks while keeping the object model clean and practical.
A strong Object-Oriented Programming freelancer usually also knows unit testing, refactoring, API design, and version control. For larger systems, experience with design patterns, dependency injection, and code review is valuable. Domain modeling is important when the software reflects real business processes.
With OOP, even a small amount of context helps: the domain rules, the main pain points, and the parts of the code that are hardest to change. A good specialist can work with incomplete documentation if the team can share examples and decisions. The more tangled the codebase, the more valuable that context becomes.
Yes. Object-Oriented Programming work is often well suited to remote collaboration because class design, refactoring, and testing can be reviewed in code and diagrams. For Frankfurt-based teams, some workshops may happen on-site, but many deliveries can be handled remotely if the communication is clear.
Look for clear explanations, not just familiar syntax. A strong OOP professional can explain why a class exists, where composition is better than inheritance, and how the design supports change. Ask for examples of refactoring, testing, and simplifying legacy code.
The average hourly rate of freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects is 88 €, which corresponds to a daily rate of about 704 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects, 100% hold at least a Bachelor's degree, 73% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects are German (100%), English (100%), and Russian (31%).
The most common industries among freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects are Information Technology (100%), Banking and Finance (62%), and Transportation (62%).
The most common business areas among freelancers in Frankfurt, Germany who have used Object-Oriented Programming in their recent projects are Information Technology (100%), Product Development (100%), and Business Intelligence (62%).
Main locations of FRATCH Experts, who have recently used Object-Oriented Programming
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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Munich 
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Philipp Thomaschewski
FRATCH CEO
