Object-Oriented Programming Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used Object-Oriented Programming
Michael Müller
Last position:
IT PROJECT MANAGER (MS Exchange) at Statutory Health Insurance on behalf of Randstad Digital Germany (formerly AUSY Technologies Germany)
Migration from Exchange 2016 to Exchange 2019 and Exchange Online, as well as the introduction of a backup solution and an archiving solution. The goal was a secure, compliant, and high-performance modernization of the email and archiving infrastructure.
Responsibilities as IT PROJECT MANAGER: Overall project management and operational control / Ensuring adherence to costs and resources / Ensuring achievement of project objectives / Ensuring compliance with regulatory requirements and compliance guidelines, including ISMS, ITIL, and data protection regulations / Preparing and delivering management reports for the project sponsors and project committee / Coordinating interdisciplinary teams from Exchange, network, data protection, and IT security / Planning and executing the system migration from Exchange 2016 to Exchange 2019 / Planning and executing the system migration from Exchange 2019 to Exchange Online / Planning and implementing a backup solution for Exchange Online / Coordinating an EU-wide tender for an archiving solution including market analysis with potential vendors / Planning and implementing an archiving solution for Exchange Online / Coordinating and preparing the necessary BAS notifications in the project context / Coordinating and aligning with stakeholders (e.g. business units, external service providers, and suppliers) for requirements definition and implementation
Technical environment: MS Exchange 2016, MS Exchange 2019, MS Exchange Online, MS Office, MS Planner, MS PowerPoint, MS Project, MS Teams
Rainer Diekmann
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Mohammad Mirmohammadi
Last position:
Senior Frontend Developer / IT Consultant at Freelance
Development of modern web applications focusing on React and Next.js
Implementation of e-commerce and business platforms for SMEs
Analysis and optimization of software and data structures
Design and development of custom IT solutions
Structuring of data flows and system architectures
Ongoing project work in web development and platform solutions
Tax Advisor Platform with Client Portal and Admin System:
Development of a web-based platform with an integrated client portal
Implementation of a system solution including a website, admin panel, and client application
Development of a role-based access system (admin / client)
Implementation of document and invoice management
Digitization of business processes
Building high-performance frontend structures
Integration of APIs and backend logic
Coffee Business Platform with Admin System:
Development of a web application for a café with administrative functions
Implementation of internal workflows and user management
Structuring of digital business processes
Development of modern UI components with a focus on performance
Shared Account Platform (Admin & Client Applications):
Development of a scalable platform with separate applications for admins and users
Implementation of a role-based access system
Development of a modular frontend architecture with React and TypeScript
Integration of API structures and data management
Jonas Taulien
Last position:
IT Consultant at Bechtle AG
- Prequalified 200 demands within five weeks on the multi-cloud-commerce platform bechtle-clouds.com with three external consultants
- Served a dual role as project manager and requirements engineer for various enhancements
- Domain topics: reimplementation of Entra ID Sync, improvement of support processes, optimizations in the product catalog
- Demand and project management in ServiceNow
- Refinement of epics and stories with internal teams and external service providers
- Management of the external international service provider
David Adamo
Last position:
Senior SAP Commerce Cloud Developer at Freelancer
- Integration of SAP Commerce Cloud with SAP Cloud for Customer
- Creation and execution of unit and integration tests
- Error analysis and bug fixing
Andreas Schmückert
Last position:
Solution Architect, Business Analyst, Consultant, Full-Stack Lead-Developer at 50Hertz Transmission GmbH
- Solution for micro-service and frontend solution for the electric grid
- Leading of development teams
- Technologies: React-Native, TypeScript, Kotlin, AWS, Infrastructure As Code, Serverless Architecture, React, NoSQL, GraphQL, Angular, Playwright, Python, ML(Ops), Kubernetes, Docker
Boris Weiseno
Last position:
Consultant, Developer at ALD AutoLeasing D GmbH
- Industry: automotive / banking
- Preparation for SAP HANA implementation
- Conducting HANA readiness check
- Setting up business partner for HANA
- Developing the CONCUR-SAP interface
- Designing and configuring new payment methods
- Upgrading payment transaction formats
- Documentation with JIRA and Confluence
Holger Dettmar
Last position:
Software Developer
- Gained familiarity with complex legacy software for controlling central ship systems (Ada, Java, C++).
- Implemented tests to identify memory leaks.
- Refactored existing project content and tests to object-oriented standards.
- Identified and fixed bugs in existing distributed Java and C++ applications on a DONAR/CORBA network.
- Products: Squish, NetBeans, MKS Integrity, DONAR, CORBA, DOORS, Windchill.
- Skills: Python, Java, Linux, C++, Ada.
Peter Neumann
Last position:
Pilot testing AI tools & sabbatical for house renovation
- Pilot testing local AI environments to explore local AI use cases and cloud-based AI solutions
- Evaluation of AI tools and techniques
- Use of local AI tools with own data sovereignty
- Prompt engineering
- Creation of example environments for speech-to-text, text-to-speech, text-to-image, text-to-video, and image-to-video
Tools: Grok, Perplexity, ChatGPT, Elevenlabs, Github, Ollama, HuggingFace, Open WebUI, Faster Whisper, LibreTranslate, WSL, Docker Desktop, Shotcut, Audacity, Sound eXchange, Ffmpeg, Coqui TTS, Pinokio, Stable Diffusion Web UI, ComfyUI, OWL, Void Editor
Lars Kleiner
Last position:
Lead Drupal Developer at x-tention
- Lead Drupal 10 developer for several greenfield projects in the health sector
- Drupal architecture in a cloud environment
- Set up and maintain GitLab pipelines and Kustomize scripts for Kubernetes deployments
- Development of Docker images
- Developed custom Drupal modules for features such as OAuth and FHIR
- Drupal frontend theming using Bootstrap 5 and Single Directory Components
- Set up and maintain automated Playwright tests
Nibedita Nandi
Last position:
Technical Consultant at Adobe Systems India Pvt. Ltd.
- Implemented AJO (Adobe Journey Optimizer)-AEP (Adobe Experience Platform) integration with AEM for an Australian Govt. project which has a significant business impact in terms of how AEP manages the customer data and engages the customer with AJO driven push notifications, Email etc.
- Developed a POC to integrate AEM-FTP and set up monitoring alert by Sling Job.
- Implemented Groovy scripts which help to modify the JCR nodes without touching the core code.
- Developed and optimized pipeline code for DEV deployment using Bitbucket. Enhanced security by modifying the pipeline to utilize repository variables from Bitbucket, effectively replacing all sensitive hardcoded values within the code repository.
- Implemented complex components such as Listicle component which dynamically fetch and display content from the experience fragments and leveraged sling model, services to streamline the integration process and created custom dialog validation for components which help me brush up my front-end knowledge as well.
- Created MCP tool for deleting old packages in higher environments e.g. UAT, stage as part of maintenance task.
- Implemented custom rollout configuration for a component which gets populated by experience fragments for all locales.
- Developed a custom solution where sitemap reads custom GWS URLs from the ACS commons list.
- Consistently created JUnit test classes as part of my day-to-day activity to increase code coverage for the entire code base.
- Explored on useful tools like Bulk Template/component updater tool, Content Sync tool (which can sync content from higher environment to local without creating any package) etc. and brought them to the team’s attention by documenting and providing demos on them.
- Gained limited experience on OneTrust, Lionbridge interface for AEM related cookie and translation tasks.
- Actively supported the team members in a cross-functional team and regularly participated to meet the code quality standards.
Discover over 15,000 top freelancers
Statistics of experts using Object-Oriented Programming
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 21 years)
Position duration
1.3 years (Germany: 3.1 years)
Positions per freelancer
22 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Healthcare, Retail
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
100% (Germany: 91%)
Master's degree or higher
67% (Germany: 63%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
English, German, Persian
Speak two or more languages
91% (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 Hamburg 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 Hamburg 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
What OOP covers
Object-Oriented Programming, often called OOP or object orientation, is a way to structure software around objects, classes, and responsibilities. It is used to build business systems, APIs, desktop tools, and large codebases that need clear boundaries and long-term maintainability.
Where it fits
- Enterprise back ends
- Web applications and services
- Mobile app cores
- Game and simulation logic
- Legacy system modernization
Teams in Hamburg often bring in specialists when they need to extend older Java, C#, or Python systems without breaking existing behavior.
Core skills
Strong professionals working with OOP write code that is easy to read, extend, and test. They understand encapsulation, inheritance, polymorphism, and composition, and they know when to prefer one design over another.
They also work well with common patterns, SOLID principles, and refactoring methods that reduce coupling and improve reuse.
Tools and stacks
OOP shows up across many ecosystems, from Java and C# to Python, PHP, Kotlin, and TypeScript. The right specialist can move between frameworks and libraries while keeping the domain model consistent.
- Java, C#, Python, PHP, Kotlin, TypeScript
- Spring, .NET, Django, Laravel, Node.js patterns
- Unit testing and test doubles
- UML and domain modeling
When freelancers help
Companies usually seek freelance expertise for architecture reviews, code cleanup, feature delivery, and urgent fixes in object-oriented systems. They also need outside help when a project has grown too tangled for the in-house team to move quickly.
In Hamburg, this often matters for software built around logistics, media, commerce, and industrial operations, where stable object models and careful change management are important.
What good work looks like
A strong OOP specialist explains trade-offs in plain language and keeps design decisions tied to business needs. They do not overuse inheritance, avoid brittle abstractions, and leave behind code that another expert can maintain.
Good deliverables include clearer class structures, better tests, fewer hidden dependencies, and faster future change.
Frequently asked questions
Questions about Object-Oriented Programming? Start with the answers below.
Object-Oriented Programming is used to organize software into objects that hold data and behavior together. That makes it a common fit for business applications, APIs, desktop software, games, and systems that need steady growth over time. Companies choose it when they want clearer structure and easier maintenance.
OOP is the common abbreviation for object-oriented programming, and object orientation is the broader term some specialists use. In practice, people usually mean the same design style: classes, objects, and interactions between them. Searchers may also use the full phrase "object-oriented programming" when they want the same skill set.
Object-oriented programming focuses on objects that combine state and behavior, while functional programming emphasizes functions, immutability, and transformation of data. Many systems use both ideas together. A good specialist knows which style fits a module, rather than forcing one approach everywhere.
A strong OOP specialist usually knows unit testing, refactoring, design patterns, and one or more language ecosystems such as Java, C#, Python, or Kotlin. Domain modeling and API design also matter when the code has to support business rules. In larger projects, experience with SOLID principles and clean architecture is often valuable.
Object-Oriented Programming help is useful as soon as a codebase starts showing design friction, unclear responsibilities, or repeated bug fixes in the same areas. You do not need a full rewrite to justify outside help. Freelance specialists are often brought in for a focused review, a rescue task, or a planned redesign.
Yes. Object-Oriented Programming work is often remote because class design, code review, and refactoring can be done well through shared repositories and clear notes. On-site time can still help when a team wants faster alignment on domain decisions or a complex legacy system.
Look for clear reasoning, not just framework names. A strong Object-Oriented Programming specialist can explain why a class exists, how responsibilities are split, and where composition is better than inheritance. Good signs are readable code, useful tests, and decisions that make future changes simpler.
Freelancers usually join an existing codebase, so they need to understand conventions fast and respect the current domain model. Object-Oriented Programming projects often require careful change management, especially when older modules carry business rules that are not well documented. Good communication and clean handover matter just as much as coding skill.
The average hourly rate of freelancers in Hamburg, 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 Hamburg, Germany who have used Object-Oriented Programming in their recent projects, 100% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Hamburg, Germany who have used Object-Oriented Programming in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Hamburg, Germany who have used Object-Oriented Programming in their recent projects are English (100%), German (91%), and Persian (9%).
The most common industries among freelancers in Hamburg, Germany who have used Object-Oriented Programming in their recent projects are Information Technology (100%), Healthcare (64%), and Retail (64%).
The most common business areas among freelancers in Hamburg, Germany who have used Object-Oriented Programming in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (73%).
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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Philipp Thomaschewski
FRATCH CEO
