IBM DOORS Experts in Stuttgart
in minutes from over 15,000 CVs with the power of AIHire experts who manage requirements baselines, traceability, change control, and review workflows in IBM DOORS and Rational DOORS. They support regulated delivery, audits, and cross-team collaboration with fast, precise matching of vetted, available freelancers.
Meet FRATCH Experts in Stuttgart, who have recently used IBM DOORS
Pierre-Jean Albertini-Fujii
Last position:
Verification Engineer – Aviation at Tri.Merge GmbH
- Automated Python-based analysis of test script repositories
- Built a SQLite database for signal and value tracking
- Identified critical discrepancies with ad-hoc SQL queries
- Technologies: Python, SQLite, Excel/ODBC
Holger Beck
Last position:
Consultant for development support topics and standards at TeDiMoS GmbH
- Standards research "Product-/project-related for speed-controlled pumps".
- Support of internal development departments on standards issues nationally and internationally.
- Creation and maintenance of internal standards and test plans.
- Generation of technical requirements from normative specifications.
- Collaboration with authorities.
- Coordination with associations and organizations/authorities (VDE, UL, notified body EMC test).
Paul Birth
Last position:
Systems Engineer, Self-Driving Truck at TORC Europe GmbH
Gildas Djomen
Last position:
System Team Lead Diagnostics – Hybrid & Electric Drives (HEV/MHEV/PHEV) for Transmission and Engine (NA/SA) at Stellantis e-transmission
- Technical lead of diagnostics activities for eDCT transmissions and drive systems in the area of hybrid (HEV), mild-hybrid (MHEV), and plug-in hybrid vehicles (PHEV)
- Responsibility for the development and validation of DTC strategies (OBD / EOBD) for markets in North and South America and the EU
- Coordination between interdisciplinary teams (system development, software, safety, calibration, after-sales)
- Creation and maintenance of diagnostic specifications (DID, DTC matrix, snapshot, freeze frame) according to STLA standards
- Support with troubleshooting, validation tests, EOL processes, and internal audits
- Technical interface to suppliers (Bosch, Valeo, etc.) in the area of actuators, sensors, and electric pumps
- Creation of diagnostic RFQ
Moulay Driss Sennaoui
Last position:
Project Safety Manager at Harman Automotive International
- FuSi requirements engineering in Doors for tell-tales, reverse camera and chimes
- Draft system requirements specification
- Maintain and review requirements in Doors (DNG)
- Coordinate HW, system and SW architecture teams
- Safety work product roadmap and delivery planning according to ISO 26262 and ASPICE
- Track deadlines with functional safety gate assessments
- Project capacity planning and coordination up to series release
- SW/system planning and coordination with counterparts in India, Romania, China and USA
- Track SOP milestones with customer
- Bug tracking and follow-up with Jira
- Safety analyses and HSIS requirement traceability
- Plan organizational work packages using sprints
- Coordinate ISO 26262 and ASPICE work products in the V-model development process
- Create the safety plan and the safety-critical plan
- Interface between functional safety management, HW development and software development
- Clarify and align requirements regarding quality, FuSi, standards and A-SPICE
- Coordinate between different suppliers for SoC, HW and SW quality and KPIs
Thomas Arends
Last position:
Interim Management at Vincorion Power Systems GmbH
- Process and project management to optimize products and development processes for energy systems
- Technical risk management
- Requirements engineering and system architecture
- System FMEA of power generator units and energy storage modules aiming for generic structures
- Claims management according to Section 313 of the German Civil Code
- Regulatory environment: military and NATO standards, AQAP, VG norms
Jochen Mader
Last position:
Technical Project Lead – Software Development at IT Security (Defense) / CyberSecurity
Technical project lead for the software testing subproject in the development of encryption systems (tactical crypto devices).
Test monitoring
Test specification
Software test implementation
Schedule planning
Code reviews
Team leadership
Test team resource planning
Test team coordination
Coordination of overall project flow
Stakeholder management
Report creation
Reporting to executive management
Delivered testing milestones on schedule, ensuring timely integration with development.
Improved test team efficiency by standardizing workflows and reporting.
Ensured compliance with Common Criteria (ISO/IEC 15408).
Ronald Foerster
Last position:
IT Consultant & Training at Various Small Projects & AI Training
- Development of multiple websites for small businesses (6)
- SEO/SEM
- Business Consulting (Implementation of ERP systems (Fresha / MS Dynamics))
- AI Tooling, Prompting & Coding
- GenAI Chatbot (GPT 4.0)
- Creation of a telephone agent (NLP services, Twilio, Python, Azure Services)
- Python coding, report & dashboard creation
- Stakeholder management and consulting throughout the project lifecycle
Training and Certifications in AI:
- Microsoft Azure AI Fundamentals
- Develop Gen AI Solutions with Azure Open AI Service
- Designing and Implementing a Microsoft Azure AI Solution
- Artificial Intelligence for the Business Professional
- Generative AI for the Business Professional
- Certified Artificial Intelligence Practitioner
Vladimir Grega
Last position:
Design Engineer (freelance) at BITZER Kühlmaschinenbau GmbH
- As part of the development of a new series of screw compressors, with a special focus on the design of a new electrical terminal box:
- Taking over the analysis of the design requirements and the relevant documents as well as CAD data
- Developing a well-thought-out concept for the design of the electrical terminal box
- Considering technical, economic, and safety-related requirements
- Compliance with safety regulations and IP protection requirements
- Taking into account design guidelines as well as assembly and user-friendliness
- Considering UL certification, plastic injection-mold-friendly design with Siemens NX, supplier requirements, cost-effectiveness, and scalability for the entire series
- Subsequent precise and targeted implementation of the design based on the developed concept
Deepak Nagarajarao
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
Michael Beck
Last position:
Developer/Consultant at Fresenius Medical Care
- Development of automated end-of-line tests (functional tests) for dialysis machines on a PLC test bench in a production environment
- Introduction of new technology based on Vector vTestStudio, CANoe, and Siemens S7 PLC
- Creating test concepts
- Implementing test cases and libraries in CAPL and C#
- Touch screen emulation and proprietary RPC (Remote Procedure Call) via CAN
- Connecting to the PLC (Siemens Simatic)
- Defining interfaces for device communication (vCDL)
- Defining user interfaces and linking to the frontend (JSON)
- Agile work using DevOps (Azure)
- Skills: CAPL, .NET, C#, vCDL, CANOpen, DevOps, PLC
- Tools used: Vector CANoe 18, vTestStudio 4, MS Azure DevOps, MS Visual Studio 2022, Mosquito MQTT, Git, Siemens TIA Portal
Kavin Trivedi
Last position:
Freelance Software Expert – Functional Safety & AUTOSAR at Bosch
- Development and optimization of software architectures for safety-critical embedded systems in the automotive sector according to ISO 26262 and ASPICE.
- Performing safety analyses (FMEA, DFA, FTTI, HARA) for safety-relevant software.
- Technical consulting and support in acquisition processes for safety-critical software projects.
- Evaluating AUTOSAR architectures and integrating safety-relevant software solutions.
- Collaborating with OEMs and suppliers to ensure compliance with safety standards and process conformity.
- Leading functional safety assessments and ASPICE assessments.
- 2016–2019: Body Computer Module – Role as Lead Software Integrator. Responsible for the software integration of safety-critical ECUs, implementation of AUTOSAR software components, and system integration testing.
- 2019–2022: PowerNetGuardian – Role as Software Architect. Developed a safety-critical software architecture, ASIL decomposition, and created software safety requirements according to ISO 26262 and ASPICE.
- 2022–Present: PowerNetGuardian Plus – Role as Lead Software Architect. Responsible for the overall software architecture, safety and cybersecurity concepts, FMEA analyses, and technical consulting during OEM negotiations.
Okan Altay
Last position:
Team Leader / Project Manager at OEM in the Stuttgart area
- development, setup and deployment of a custom HIL system for aerodynamic components
- adaptation of the system specification and creation of the test specification
- coordination and planning of test cases, as well as specification of component and K-HIL tests at the system level and in integration
- planning, specification and execution of interface tests
- participation in vehicle trials
- led a team of 10 members following classic and agile A-SPICE standards with development according to the V-model
- Tools used: Jira, MS Project, GitTea, Gox, Confluence, KPM, MoveIT, DOORS, PTC Integrity, Intense, JFrog
Harald Bergmann
Last position:
Software Architect at Amoria Bond
- Developed gateway demonstrator
- Defined system requirements for topology and data concentrator
- Designed zonal controllers for Leoni
Discover over 15,000 top freelancers
Statistics of experts using IBM DOORS
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 23 years)
Position duration
1.6 years (Germany: 2.1 years)
Positions per freelancer
17 (Germany: 14)
Top business areas
Product Development, Quality Assurance, Project Management
Top industries
Automotive, Manufacturing, Aerospace and Defense
Certification focus areas
Quality Assurance, Project Management, Information Technology
Bachelor's degree or higher
92% (Germany: 95%)
Master's degree or higher
67% (Germany: 57%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
English, German, French
Speak two or more languages
100% (Germany: 98%)
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 Stuttgart 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 Stuttgart using IBM DOORS
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
Requirements control
IBM DOORS is used to capture, structure, and control requirements across complex projects. It helps teams keep every change visible and every approval tied back to a clear need. That matters when many specialists must work from the same source of truth.
Traceability and change
The tool is known for end-to-end traceability across requirements, tests, and design outputs. Strong professionals set up links, baselines, impact analysis, and review flows so change does not break the chain. In Stuttgart, this is especially relevant for engineering teams working with strict documentation needs.
Typical work
- Build requirement hierarchies and modules
- Maintain trace links and baselines
- Prepare review packages and audit evidence
- Manage change requests and version control
- Support reporting for compliance-driven delivery
Ecosystem fit
Many teams refer to the product as IBM DOORS, DOORS, or IBM Rational DOORS. Professionals often work alongside test management, systems engineering, and lifecycle tools, then connect requirements into a larger delivery process. The best specialists understand how the tool fits into existing governance rather than forcing a new process.
When to bring in help
Companies usually bring in freelance experts when a requirements database has grown messy, when migrations are needed, or when projects need tighter traceability. They also help during audits, re-baselining, and template cleanup. A strong specialist can quickly stabilize structure and train teams on practical usage.
What good looks like
Good IBM DOORS professionals work carefully and document decisions well. They understand module design, attributes, filters, views, and permissions, and they know how to keep requirements readable for both technical and non-technical stakeholders. They also adapt well to onsite workshops or remote collaboration with teams in Stuttgart and beyond.
Frequently asked questions
Key details about IBM DOORS, drawn from the questions we get asked most.
IBM DOORS is used to manage requirements in structured, traceable form. Teams use it to define needs, connect them to design and verification work, and control changes over time. It is common in regulated and documentation-heavy projects where every requirement must stay accountable.
DOORS is the short name people often use for IBM Rational DOORS. In search and in project conversations, both names usually refer to the same requirements management product. You may also hear the vendor name IBM used as part of the full product name.
A company usually needs IBM DOORS help when requirements are hard to maintain, traceability is weak, or a migration is coming up. Specialists are also useful when templates, baselines, and review workflows need to be cleaned up. They can bring order to older repositories without disrupting active work.
IBM DOORS is stronger than spreadsheets when requirements must be linked, versioned, and audited. It is also more structured than many lighter tools, which can be easier to start with but harder to govern at scale. Teams choose DOORS when control and traceability matter more than quick setup.
A strong IBM DOORS specialist usually understands requirements engineering, traceability methods, and change control. Familiarity with systems engineering, review processes, and test alignment is valuable too. In many projects, scripting, reporting, and data migration skills also help.
The right IBM DOORS experience depends on the task. Simple administration or cleanup can be handled by a focused specialist, while migrations, governance design, and complex trace models need deeper product knowledge. For critical repositories, choose someone who has handled similar structures before.
Yes. IBM DOORS work is often done remotely, especially for repository cleanup, training, and reporting. For Stuttgart teams in engineering and manufacturing, onsite workshops can still help at the start when processes, templates, and stakeholder roles need to be aligned.
Look for a IBM DOORS professional who can explain structure, trace links, baselines, permissions, and reporting without guessing. Good signs are clear examples of requirement cleanup, controlled change handling, and practical collaboration with engineers and testers. If they ask about your process before proposing changes, that is usually a good sign.
The average hourly rate of freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects is 87 €, which corresponds to a daily rate of about 693 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects, 92% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects are English (100%), German (93%), and French (43%).
The most common industries among freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects are Automotive (93%), Manufacturing (71%), and Aerospace and Defense (43%).
The most common business areas among freelancers in Stuttgart, Germany who have used IBM DOORS in their recent projects are Product Development (100%), Quality Assurance (100%), and Project Management (79%).
Main locations of FRATCH Experts, who have recently used IBM DOORS
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 
Frankfurt Request a free demo
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Philipp Thomaschewski
FRATCH CEO
