Refactoring Experts in Frankfurt
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Meet FRATCH Experts in Frankfurt, who have recently used Refactoring
Michael H.
Last position:
Frontend Developer at RTL Tech
- Development and optimization of the RTL+ frontend application for SmartTV and set-top box platforms with React and Next.js.
- Key role in the technical coordination of developers within the team and in coordinating implementation.
- Central interface to adjacent teams to simplify development processes and improve cross-team alignment.
- Improved frontend performance, stability, and rendering behavior on low-powered devices in a restricted runtime environment.
- Implemented a frontend testing strategy with Jest, React Testing Library, and Playwright.
- Implemented accessibility improvements according to WCAG 2.2 and WAI-ARIA.
- Integrated Didomi Consent Management as a contribution to increasing ad monetization on streaming platforms.
- Used AI-supported engineering workflows with Cursor for structured implementation, refactoring, and faster problem solving.
Technologies used: React, Next.js, TypeScript, JavaScript, GraphQL, Apollo Gateway, Zustand, Tailwind CSS, Styled Components, React Testing Library, Playwright, Jest, HTML5, CSS3, AWS Lambda, EC2, CloudFront, S3, GitLab CI/CD, NX, Cursor
Stefan V.
Last position:
Senior Manager Projects at Cognizant Technology Solutions GmbH
- Agile coach and scrum master in property insurance/underwriting for Allianz Technology
- Team 1: Kanban/Scrumban team in DevOps mode – new features, distributed monolith to microservices, reduction of technical debt & refactoring, implementation of CI/CD, expansion of automated testing
- Team 2: SAFe team – greenfield service for global software and German adaptation, AI integration (Cythora)
- Scrum trainings, scrum manuals in Confluence, all ceremonies, establishment of an experimental just culture, team replacement and scaling from 7 to 20
- Requirements engineering, prioritization via business value for product owners, risk identification
- Project budget management, JIRA monitoring and automation, steering committee support, test strategy
- SAFe integration, PI planning, flight levels and road mapping
Vincent R.
Last position:
Freelancer at VINROTLAB.IO
- Consulting and creation of various web applications based on SharePoint and the React framework for different clients
- Development and testing of accessible apps for SharePoint
- Creation of various test cases for test automation
- Development of various solutions based on Azure
- Creation of various web services based on .NET
- Development of various SharePoint Framework solutions
- Development of various UI solutions based on SharePoint
- Consulting and creation of various Power Apps applications and Power Automate for the steel industry and an IT consulting company
- Support, consulting, and development with offshore teams for SharePoint 2013, 2016, and microservices for a logistics company
- Consulting, concept design, and development of microservices and web applications based on Microsoft technology and the React framework for a logistics company
- Consulting, concept design, and development of various SharePoint Framework solutions on SharePoint 2016 for logistics
- Consulting for the migration from SharePoint 2010 to 2016 for an IT consulting company
Ingo D.
Last position:
Analytics at BaFin - Federal Financial Supervisory Authority Frankfurt
- Introduction of methods for developing and automated deployment of cloud-native software and machine learning applications in OpenShift clusters
- Development of various programs in Python
- Technologies: Kubernetes, OpenShift, Kustomize, ArgoCD, Tekton, Docker, PodMan, Airflow, IntelliJ, PyCharm, Git, Bitbucket, Jira, Confluence, Python
Johannes E.
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
Ulm P.
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.
David R.
Last position:
Lead Developer/Technical Architect
- Design, extension, and implementation of interfaces (REST, GraphQL, Kafka)
- Architecture and implementation of cloud-native microservices on Azure Kubernetes Service
- Domain-Driven Design, Event-Driven Architecture with Kafka
- Development of an extensive query engine for REST endpoints based on business objects
- Design and implementation of master data classification using machine learning algorithms (Weka library, Spotify Voyager)
- Analysis and evaluation of complex load test scenarios and derivation of optimizations
- Increase in system resilience (Kafka error handling, circuit breaker, sidecar service mesh in Go)
- Integration with CIAM systems (asynchronous real-time synchronization and definition of data ownership, authorization, authentication)
- Connection to Azure ServiceBus (AMQP protocol)
- Design and implementation of complex authorization concepts (including delegated administration)
- Documentation of the results (Confluence, architecture descriptions, architecture decisions)
Pascal S.
Last position:
Full-Stack Engineer at Playbook Digital, Inc
- Work in a rapidly moving environment on scalable and performant organizational features for a growing SaaS creative storage & digital asset management startup
- Optimization of data storage and retrieval routines in hot code paths across a containerized microservice architecture
- Implementation of new feature packages in a largely independent and self-sufficient manner, down the stack; design of both backend architecture and frontend UIs in the absence of templates, mock-ups, or other guide rails
- Autodidactic onboarding, rapid learning and subsequent productive application of technologies I was previously fully unfamiliar with (Ruby/Rails)
Mohammad A.
Last position:
ParkProReakt at Justus Liebig University Giessen
- proactive instead of reactive symptom detection in Parkinson patients
- iOS development
- FHIR integration
- database structure
Rashid I.
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
Torsten B.
Last position:
Program Manager Refactoring at Astadia (an Amdocs company)
- Lead all program and project management activities for assigned customers around Mainframe modernization offerings
- Project management of Astadia services for a Mainframe-to-Cloud project with German Railway (DB Cargo) and for legal services in Italy
- Manage the execution of proofs of concept and assessments in Legal, Banking, Telecommunications and Automotive for customers globally
- Represent Astadia in delivery, planning, and review contexts
- Guide self-organizing agile development teams to improve structure and dependency management
- Evaluate risks and impediments to success and assist with roadmap and increment planning
- Establish and supervise metrics for key program work and present them to leadership, portfolio management and partners
- Tools: Teams, M365, Office365, MS Office, MS Project, Jira, SharePoint, Confluence, Azure DevOps
Discover over 15,000 top freelancers
Statistics of experts using Refactoring
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 18 years)
Position duration
2.6 years (Germany: 2.9 years)
Positions per freelancer
17 (Germany: 13)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
89%
Master's degree or higher
56% (Germany: 53%)
Doctorate
33% (Germany: 8%)
Certifications per freelancer
3
Most common languages
German, English, Russian
Speak two or more languages
91% (Germany: 97%)
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 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 Refactoring
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.
Refactoring 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 (64%)
- Transportation (64%)
- Automotive (55%)
- Healthcare (55%)
- Media and Entertainment (55%)
- Government and Administration (55%)
- Education (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Resolving Technical Debt in Core Systems
Code modernization systematically reorganizes existing code without altering its external behavior. It resolves architectural degradation, improves runtime efficiency, and removes friction from deployment pipelines. Organizations rely on these techniques to maintain agility while preserving functional integrity.
Primary Disciplines of Code Restructuring
- Decomposing monolithic applications into modular services or clean domain layers
- Eliminating code smells and enforcing design patterns like factory or strategy
- Establishing safety nets through unit testing and automated regression suites
- Upgrading legacy frameworks to supported LTS runtimes
- Decoupling database schemas from tightly coupled persistence logic
Tooling and Static Analysis Ecosystem
Modern source transformations depend on specialized tooling to identify anti-patterns and execute deterministic changes. Specialists work with static analysis platforms such as SonarQube, ArchUnit, and linters. They leverage automated rewrite engines like OpenRewrite, alongside AST-based IDE tooling, to manipulate abstract syntax trees safely across large repositories.
Business Drivers for Code Modernization
Engineering speed drops significantly when teams spend more effort circumventing brittle components than writing new features. External intervention becomes vital during cloud migrations, post-merger codebase integrations, or when onboarding slows down. Restructuring legacy codebases restores delivery throughput and mitigates defect risks.
Requirements Across the Frankfurt Region
Enterprise systems in Frankfurt often support critical financial exchanges, logistics networks, and regulatory reporting engines. These production environments demand stringent adherence to security and strict compliance controls. Specialists operating in this ecosystem know how to renovate live platforms under zero-downtime constraints, often collaborating in hybrid German and English workplace environments.
Qualities of Leading Restructuring Specialists
Exceptional professionals balance business outcomes against purist code perfection. They prioritize incremental delivery patterns, such as the strangler fig pattern or branch by abstraction, ensuring that deployments continue uninterrupted. Their domain mastery pairs continuous integration disciplines with comprehensive test suites to validate every incremental change.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Refactoring.
Systematic refactoring improves software maintainability, reduces defect incidence, and accelerates development cycles. It simplifies complex application flow so internal teams can ship features without unintended regressions. By addressing technical debt incrementally, organizations extend the operational lifespan of business-critical systems.
A full rewrite scraps existing components to build from scratch, introducing substantial delivery risk and potential functionality loss. In contrast, code modernization transforms the existing system through safe, iterative steps while preserving operational behavior. This discipline minimizes production downtime and spreads migration overhead across manageable iterations.
A strong background in test-driven development, static code analysis, and architectural patterns is essential. When handling complex refactoring, professionals must be proficient with AST transformation tools like OpenRewrite, containerization, and automated CI/CD pipelines. They must also communicate clear trade-offs between speed and architectural cleanliness.
High cyclomatic complexity, excessive code churn in core modules, and frequent deployment regressions signal severe decay. If unit tests take excessive time or fail intermittently, legacy code restructuring is needed. Rising lead time for trivial feature changes also indicates degraded internal quality.
Most engagements function smoothly via remote workflows, though organizations in Frankfurt often prefer hybrid models. On-site discovery sessions in the Frankfurt am Main financial district help align compliance and architecture teams early on. Specialists adjust seamlessly to local time zones and enterprise security guidelines.
Engineers deploy techniques like characterization tests, the strangler fig pattern, and feature flags. Applying refactoring under the protection of automated end-to-end and integration suites ensures functional parity throughout the initiative. Changes release through canary deployments to capture edge-case regressions instantly.
Yes, standard software restructuring practices advocate for opportunistic improvements during daily feature work. Applying the boy scout rule allows teams to leave touched modules cleaner than they found them without pausing delivery. Dedicated remediation sprints are reserved solely for high-risk, cross-cutting architectural migrations.
Examine their experience in legacy remediation, automated testing frameworks, and dependency decoupling strategies. Seasoned refactoring professionals articulate how they mitigate risk during changes to brittle systems. They showcase concrete approaches for measuring cyclomatic reduction and test coverage gains.
The average hourly rate of freelancers in Frankfurt, Germany who have used Refactoring in their recent projects is 96 €, which corresponds to a daily rate of about 766 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Refactoring in their recent projects, 89% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 33% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Refactoring in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Frankfurt, Germany who have used Refactoring in their recent projects are German (100%), English (91%), and Russian (27%).
The most common industries among freelancers in Frankfurt, Germany who have used Refactoring in their recent projects are Information Technology (100%), Banking and Finance (64%), and Transportation (64%).
The most common business areas among freelancers in Frankfurt, Germany who have used Refactoring in their recent projects are Information Technology (100%), Product Development (91%), and Quality Assurance (82%).
Main locations of FRATCH Experts, who have recently used Refactoring
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 
Stuttgart 
Dusseldorf 
Nuremberg Countries:
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FRATCH CEO
