Refactoring Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used Refactoring
Matthias S.
Last position:
Software Developer and Consultant at CLADE GmbH
- Analysis of the existing CAN communication between microcontrollers
- Analysis of the sensors used and the measured values collected
- Planning the CAN messages for transmitting the measured values
- Iterative adjustment of the microcontroller code to the new CAN messages
- Cross-compilation from x64 to arm64
Lothar H.
Last position:
Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH
- Investigation PoC and exchange and refinement of an existing cloud and IoT power plant control solution for certificate management of renewable energy power plants (solar, wind, biomass and others) of the largest European renewable energy power plant operator in this field, including investigation of the IoT devices used in the field and their integration and network connection with the aim of automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and Attack Vector Analysis, Software Quality & Bug Assessments
- Agile Workload Scheduling via Jira & ConJluence
- Evaluation of message streams Pub/Sub for MQ and KaJka.
- Various tests with “best design approaches” regarding resilience patterns such as Circuit Breaker Designs, Throughput Measurement and Monitoring, Bulkhead Governors - for robust EA design
- Integration of API Management with IBMs API Connect to Kubernetes - for agnostic Microservices API Management Designs. Google Apigee
- Solution Health Check Approaches for Load Burst Situations + Remedy
- Research and investigation of available potential subcontractors in the coordinating role as Solution Manager. CIS20 Controls.
- Dread and Stride Security Assessments.
German R.
Last position:
Freelance Technical Product Owner & AI Product Builder at Neckarshore AI / Freelance
Two complementary tracks: (a) building my own AI products and open-source tools under the Neckarshore AI brand, with a focus on AI-supported multi-agent development processes and documentation automation; (b) freelance support for industrial, logistics, and financial companies in IT-related transformation projects.
Current product portfolio under the Neckarshore AI brand:
- Omnopsis Documenter — AI-powered documentation engine: generates compliance, technical, and release documentation from Git, Jira, and Confluence. 500+ automated tests, 100+ API endpoints, RBAC, monitoring stack.
- TrustScope — trust analysis for public GitHub repos: deterministic three-pillar report (Security & Supply Chain, Governance, Community) based on OpenSSF Scorecard, with constructive fix suggestions instead of a single misleading score.
- md-viewer — dependency-free Markdown viewer for macOS (Finder Quick Action) and web, split view of rendered document and raw text.
- Obsidian Vault Autopilot — AI-supported vault automation for Obsidian × Claude Code: sorts the inbox, renames notes, enriches frontmatter.
- Phonesis Voice Bank — voice archive for families, hospices, and cultural archives (guided recordings, inheritable archive, optional voice cloning); currently in the GDPR compliance phase (Art. 9, biometric data).
- Multi-Agent Development Process — 12+ specialized agents (architecture, implementation, security, refactoring, marketing) with structured handoff protocol, parallel execution, and automated quality assurance — powers the entire product development.
- Freelance consulting: Technical Product Ownership for production, logistics, and compliance/AML systems; steering international rollouts including test, cutover, and change management.
Stack: NestJS, TypeScript, PostgreSQL, Redis/BullMQ, Next.js, Claude Code (Opus), Docker, GitHub Actions, Vercel
Deepak N.
Last position:
Consultant at Advantest Europe Gmbh
- Develop hardware drivers and middleware using C++11, Java and Python
- Design of various RF features such as deembedding based on stakeholder requests
- Work with multiple teams to design drivers for multiple RF products
- Perform HW control to deliver RF signals and measure modulated response
- Develop RF drivers for generation of low noise signals to test WiFi7 products
- Use digital modulation techniques such as QAM for low level driver development
- Develop low level USB drivers for device enumeration
- Develop drivers for HW relay control of control boards for device testing
- Perform JTAG operations on devices under test
- Use network-based protocols (SFTP, UFTP, FTP, SSH) for control board communication
- Manage HW devices such as BADC and EEPROM for control board maintenance
- Utilize C++11/14/17 features, template metaprogramming and STL
- Employ multithreading for testing and control of multiple HW devices
- Develop tools for deployment of customer OS on control boards
- Perform component and integration tests using CxxTest
- Follow Scaled Agile Framework for software development
- Create detailed design documents using PlantUML
Alban T.
Last position:
C/C++ Developer on AIX Systems for SAP Kernel System Integration at IBM Research and Development
- AIX/Linux system administrator: deployment of LPARs (Logical Partitions) for SAP Kernel Development
- C/C++ SAP kernel development and integration to SAP HANA Database
- C/C++ programming and software integration, support for SAP kernel on AIX system; development and testing on SAP VDI
- Example: development of the ABEC Tool (AIX Build Environment Checker) to create SAP build environments for debugging process and benchmarking
- Benchmarking and test execution of SAP kernels (test from the communication to the SAP HANA Database and to SAP NetWeaver) on AIX
- Automate the SAP kernel build via Jenkins and benchmarking over crontab jobs
- New C/C++ compiler design and testing (based on Clang++ and LLVM)
- Customer ticket handling to resolve SAP kernel bugs and build failures
- SAP kernel development with Rust programming language, migrating some sub-kernel projects from C/C++ to Rust because of Rust's memory safety model, ownership system, and concurrency features
- Refactoring selected components in Rust and integrating them with existing C++ codebase via FFI
Felix J.
Last position:
Senior Software Engineer at PCA GmbH
- Developed three applications with Flutter (Dart), Swift (iOS), and Kotlin (Android)
- Responsible for the apps' UI/UX design
- Developed a fingerprint plugin for HidGlobal in Swift and Kotlin
- Used Riverpod and Flutter Bloc for efficient state management
- Used Hive and Isar for local data management
- Used Firebase for backend services (Firebase Cloud Messaging, Analytics, and Firestore)
- Managed code with GitLab, developed using Visual Studio Code and Xcode
Matthias M.
Last position:
Founder at CaseOS Low-Code Platform
Discover over 15,000 top freelancers
Statistics of experts using Refactoring
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 18 years)
Position duration
2.7 years (Germany: 2.9 years)
Positions per freelancer
11 (Germany: 13)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Automotive
Bachelor's degree or higher
100% (Germany: 88%)
Master's degree or higher
80% (Germany: 53%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
English, German, French
Speak two or more languages
100% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Stuttgart are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Stuttgart 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 29 Oct 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%)
- Manufacturing (71%)
- Automotive (57%)
- Aerospace and Defense (29%)
- Banking and Finance (29%)
- Healthcare (29%)
- Insurance (29%)
- Media and Entertainment (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Refactoring Means
Refactoring changes the internal structure of existing software without changing its intended behavior. Specialists remove duplication, clarify responsibilities and reduce technical debt while keeping tests and releases stable. The work can target a single method, a service boundary or an entire application.
Where It Delivers Value
Refactoring supports systems that must remain reliable as features, integrations and teams grow. Companies use it to make business software easier to change, prepare monoliths for modular delivery and improve code that has become difficult to test.
- Simplify legacy Java, .NET, Python or JavaScript code
- Break large modules into clear components
- Prepare services for safer feature delivery
Ecosystem And Practice
Strong work combines language-specific patterns with version control, automated testing and static analysis. Specialists may use IDE refactoring tools, code review workflows, linters, quality gates and profiling alongside frameworks such as Spring, .NET, Django or Node.js. Stuttgart teams often need professionals who can collaborate remotely or on site and document decisions clearly.
When Companies Bring In Specialists
Freelance expertise helps when internal teams are blocked by fragile code, slow releases or a difficult migration. It is also valuable before a major product expansion, platform change or test-automation initiative. A specialist can assess risk, define small increments and refactor without turning maintenance into an open-ended rewrite.
- Establish a baseline with tests and code metrics
- Prioritize risky dependencies and duplication
- Review changes against behavior and performance
What Good Work Looks Like
Good refactoring leaves the system easier to understand, test and extend. Professionals preserve observable behavior, make changes in small reviewable steps and explain trade-offs instead of hiding them behind broad rewrites. They connect code quality to delivery risk, operational needs and the team’s ability to maintain the result.
Skills That Matter
Look for experience with characterization tests, unit and integration testing, dependency management, API design and database changes. Useful specialists also understand branching strategies, continuous integration, observability and secure release practices. The right approach balances cleaner design with deadlines, compatibility constraints and measurable product needs.
Frequently asked questions
Before you brief your next project: the most common questions about Refactoring.
Refactoring improves the internal design of existing software while preserving its external behavior. Companies use it to reduce technical debt, simplify maintenance, improve testability and make future changes safer.
Code refactoring changes a system in controlled, incremental steps while keeping its behavior stable. A rewrite replaces substantial parts of the system and carries greater uncertainty around missing features, compatibility and untested edge cases.
A strong Refactoring specialist usually brings automated testing, version control, code review and static-analysis skills. Experience with API design, database migrations, continuous integration and observability is also useful when changes cross application boundaries.
The right level depends on system size, test coverage and the risk of changing core behavior. An experienced Refactoring professional should be able to inspect unfamiliar code, create a safe baseline and explain which changes can be made incrementally.
Refactoring is often suitable for remote collaboration because code, tests and reviews provide a shared working record. Stuttgart teams should agree on repository access, review routines, documentation and language expectations, with on-site sessions added when domain knowledge is difficult to transfer remotely.
Refactoring and testing solve different problems, so one does not replace the other. Tests protect behavior, documentation explains intent, and refactoring improves the structure that makes both easier to maintain; the safest projects use them together.
Ask how the specialist will protect behavior, measure progress and handle code that lacks tests. High-quality Refactoring produces focused commits, stronger coverage where risk is highest, clearer dependencies and no unexplained change in user-visible results.
A Refactoring assignment often starts with code discovery, tests and agreement on boundaries rather than immediate code changes. Freelancers should expect to work with existing conventions, explain trade-offs to the team and leave behind patterns, tests and documentation that others can continue using.
The average hourly rate of freelancers in Stuttgart, Germany who have used Refactoring in their recent projects is 102 €, which corresponds to a daily rate of about 813 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used Refactoring in their recent projects, 100% hold at least a Bachelor's degree and 80% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used Refactoring in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Stuttgart, Germany who have used Refactoring in their recent projects are English (100%), German (86%), and French (14%).
The most common industries among freelancers in Stuttgart, Germany who have used Refactoring in their recent projects are Information Technology (100%), Manufacturing (71%), and Automotive (57%).
The most common business areas among freelancers in Stuttgart, Germany who have used Refactoring in their recent projects are Information Technology (100%), Product Development (86%), and Quality Assurance (86%).
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 
Cologne 
Frankfurt 
Dusseldorf 
Nuremberg Countries:
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