Bill of Materials Expert
for accurate product and software inventories, matched in minutes with AIHire experts who structure product components, maintain software bill of materials records and connect BOM data with ERP, PLM or procurement workflows. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts who have recently used Bill of Materials
Paul W.
Last position:
Enterprise Architect at ePrimo GmbH
Led the end-to-end integration and migration architecture for decommissioning SAP IS-U market communication and transitioning to Salesforce Marketing Cloud (SFMC) with E.ON IT Services — covering regulated EDIFACT market messaging, a three-phase data migration (transfer of market message inventory after cutover), redesign of market communication processes, and full GDPR and German energy-market compliance.
- Designed the three-tier target architecture (SAP IS-U → NScale B2B gateway → SFMC) processing 50,000–100,000 EDIFACT messages daily within sub-5-minute SLAs.
- Architected the three-phase data migration: 36 months of historical data, zero-loss cutover of in-flight market messages, and near-real-time CDC synchronization.
- Delivered secure, BDEW/GDPR-compliant integration (AS2/OFTP2, RFC/IDoc, REST APIs, OAuth 2.0, Azure AD, AWS S3) achieving >99.5% uptime, <0.1% migration discrepancy, and RTO <4 hours.
- Applied BPMN to model and optimize the market communication processes.
Technologies: SAP IS-U, NScale, Salesforce Marketing Cloud, EDIFACT, OAuth 2.0, Azure AD, AWS S3, BPMN, Jira, Confluence, Draw.io
Rafal K.
Last position:
Development Engineer at Hexagon Purus
- CAD System - SolidWorks 2021
- PDM Database - HXP SolidWorks
- Product - Mobile Hydrogen Filling Station
- Processing and implementing change instructions
- Independently developing products for new applications
- Reviewing and releasing manufacturing and assembly drawings
- Providing technical support to engineering service providers
- Working closely with the Purchasing and Quality departments
- Developing and implementing cost reduction targets
- Planning and carrying out concept validations
- Independently developing proposed solutions and technical concepts for innovative ideas
- Establishing and maintaining contact with suppliers
Gregor P.
Last position:
Engineering Data Management Project Manager
Technical and commercial risk assessment for an investment project in the hardware sector (scaling potential, liability risks, operational processes) Process consulting for two SMEs in the engineering environment, with a focus on workflow digitization and PLM
Thomas P.
Last position:
Lifting Device Designer at TP-Produktdesign
- Design of a 3-point quick coupling for tractor lifting attachment
- Development of a holder for a drawbar flange device
Joaquim L.
Last position:
SAP Senior ABAP Developer
SAP Data Migration Greenfield QM
In the QM module project, the focus was on migrating inspection plans and transferring Dynpro applications from the ECC system to the HANA system while adhering to development guidelines and clean code principles. The project involved the use of technologies and concepts such as ABAP Objects (ABAP OO), Clean Code practices, SMOD/CMOD enhancements, User Exits, Function Exits, BAdIs, interfaces, and classes. Writing complex reports for download and upload of change pointer information of inspection plan header.
Jens R.
Last position:
Platform Architect & Senior Developer at Direct client, industrial measurement technology, medium-sized company
- Technical leadership across hardware, firmware, and software teams; scope: hardware/firmware team (4 people) and leadership group (5 people)
- Consolidated and documented a product family that had grown over more than 15 years and aligned it with CRA compliance — from the bare-metal I/O module to the cloud interface.
- Provided the most important customer product with the essential requirements and architecture documentation within two months — for a firmware landscape that had grown over more than 15 years. It now supports the customer’s modernization strategy.
- Established a monthly reporting line to the supervisory board and executive board within three months: nine meetings since 12/2025. The report itself is versioned and built from the CI pipeline; it is based on automatically collected activity and release data instead of assessments.
- Built a container-based CI/CD infrastructure from scratch: cross-compilation, host tests, and documentation builds in one continuous pipeline.
- Introduced declarative QA gates for DevOps and development artifacts — from the start using lefthook instead of pre-commit, executed in a dedicated container image.
Technologies used: arc42, req42, tpo42, docToolchain, PlantUML, ArchiMate, C4 model, ADR, C, C++ (GTest), CMake, Bare Metal (ARM Cortex-M3/M7), OCI containers, Jenkins, lefthook, Prometheus, Grafana, SBOM, CRA, OPC, SCADA, PLC integration, IPv6 migration, Zero Trust, Sociocracy 3.0, Cynefin
Roger B.
Last position:
Plant Manager, Steinach Plant at Frör Plaho-Tec
- Interim assignment until a new plant manager was found
- Ensured production control and on-time order processing.
- Introduced transparent weekly and monthly planning as well as forward-looking capacity management.
- Cleaned up and structured bills of materials, master data and work documents.
- Held team leader meetings and coordinated the production areas.
- Took over the professional management of the production teams.
- Promoted an open, constructive leadership culture and involved employees in change processes.
- Coordinated with adjacent areas (production planning, supply chain, quality, development).
- Documented measures and prepared the handover to permanent management
Hans-Jürgen B.
Last position:
Freelance Technician at FlexLink Systems GmbH
- Plant planning in conveyor technology
- Engineering and design of conveyor systems for the automotive industry / battery transport
- Software, CAD: AutoCAD Inventor 2019 3D + Vault
Max B.
Last position:
Project Manager, Plant Certification and Declarations of Conformity for 1–8 MWp Rooftop PV Projects at Solcom GmbH
- Technical management of parallel rooftop PV projects (Type A/B) from project planning through construction to completed plant certification
- Analysis of project requirements based on on-site inspections, planning reviews and evaluation of tender and project documents, and preparation of the findings for the internal planning department
- Derivation of work packages and milestones for each project, including structured filing in the client’s project documentation (SharePoint)
- Coordination of the planning phase between planning, procurement and executing trades
- Preparation of specifications and bills of materials as the basis for preparing quotations, and monitoring the timely submission of offers
- Coordination and monitoring of the construction phase, including schedule tracking and ensuring implementation in line with the plans
- Preparation and continuous updating of project schedules and project budgets across all projects
- Tracking of milestones, work packages and project progress, as well as early documentation and escalation of schedule and budget deviations to the overall project management
- Preparation of technical analyses of existing and planning data for each plant as the basis for the entire certification process
- Review, verification and compilation of all certification-relevant evidence: technical data sheets, manufacturer approvals, component documentation, test reports, type certificates and simulation results
- Assessment of the completeness and compliance of manufacturer documentation with applicable standards, identification of missing evidence, and requesting and tracking missing documents from manufacturers and installers
- Preparation and technical review of declarations of conformity for the grid connection of the plants
- Preparation of complete plant certification documentation for Type A/B in accordance with the applicable VDE application rules, the grid operators’ technical connection requirements (TAB) and the requirements of the certification bodies
- Review and documentation of protection concepts, as well as definition of the certification scope for each plant in technical coordination with the grid operators
- Submission of documents to grid operators and accredited certification bodies, follow-up on queries through final approval, and deadline management across parallel procedures
- Management of interfaces between the client, manufacturers, installers, grid operators and certification bodies, as well as complete project documentation with status overviews, communication logs and approval documents
Martin H.
Last position:
SAP Consultant at Montblanc-Simplo GmbH
- Production master data: bill of material, work center, routing and production version, customizing, FIORI
- Optimization and organization of production
- gATP and aATP training
- Classical MRP, pMRP and MRP Live
- Various planning strategies in PP
- Workflow and MDM tables and fields
- Metadata in SAP, fields and their mapping
- Creation of metadata in Excel
- LSMW basics: data cleansing with Excel + deduplication
- LTOM or Migration Cockpit
- Training in APO, later as ePP/DS master data, heuristics and optimizer CIF integration models
- Production orders and capacity planning, reconciliation and evaluation
- Net requirements calculation, lot sizes and pegging, detailed planning board, product view in PP/DS
- KUT test or migration test
- Digitization of maintenance plans, orders, checklist documents
- Technical objects, equipment, bills of material and their customizing
- Measuring points and serial numbers customizing
- Work and maintenance planning, cycles and different dimensions
Loretta A.
Last position:
Master Thesis Student at Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Future Fuels
- Managed end-to-end data workflows for LCA and carbon footprint assessments, including data collection, validation, structuring, and LCI modeling for metal alloys, ensuring high data quality and traceability.
- Developed a basic Excel automation tool to simplify carbon footprint calculations of metal alloys, replacing repetitive modelling in the software that previously took several hours.
- Communicated environmental impact results through quantitative analysis, visualizations and reports to support the broader project strategy.
- Performed environmental hotspot and scenario analysis to identify key impact drivers and assess opportunities for emissions reduction.
Timo T.
Last position:
Gronic Ident & Sign at Gronic Systems GmbH
Gronic Ident & Sign
Core technologies: Android, Jetpack Compose, Retrofit, Regula Document Reader, Adobe Sign
Android app on dedicated devices for identifications and electronic signatures at the PoS
Oliver M.
Last position:
Project Supply Quality Manager (PSQM) at TKMS
- Quality management
- Preparation of templates and review minutes
- Preparation of FAT documents
- Support during hardware tests and FAT
- Verification of test results
Siegfried D.
Last position:
Head of Work Preparation at Scheuerle/TII-Group
- Reorganization of work preparation (4 work preparation, 6 production control and 1 Lean employees)
- Optimization of SAP processes (PS/PP planning and control)
- Interface management (purchasing, production, sales, logistics)
- Maintenance of master data
Youness R.
Last position:
Communication modernization and recipe management between S7-300, S7-1500 and WinCC V7 at Siemens AG
- Consulting and development of suitable communication concepts between S7-300 and S7-1500, taking the existing PROFIBUS infrastructure into account
- Technical support for connecting the S7-300 controllers to the existing recipe data block of the S7-1500
- Assisting in the development of the communication sequence for recipe access (read, write, acknowledge, status handling)
- Configuration of S7 communication (PUT/GET)
- Creation and adaptation of WinCC V7 scripts (C scripts and VBS scripts) for WinCC-based recipe management
- Development, optimization, and integration of recipe processes into the existing WinCC project structure
- Commissioning of the new communication interfaces and recommissioning of the recipe logic on existing systems
- Creation of technical documents: communication sequences, functional descriptions, commissioning documentation
Discover over 15,000 top freelancers
Statistics of experts using Bill of Materials
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
3.3 years
Positions per freelancer
15
Top business areas
Product Development, Project Management, Quality Assurance
Top industries
Manufacturing, Automotive, Information Technology
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
87%
Master's degree or higher
47%
Doctorate
3%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
99%
Based on our profile pool as of 25 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology 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 using Bill of Materials
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 25 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Bill of Materials experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (87%)
- Automotive (63%)
- Information Technology (44%)
- Professional Services (38%)
- Energy (36%)
- Healthcare (28%)
- Transportation (28%)
- Food and Beverage (24%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
BOM Foundations
A Bill of Materials, or BOM, is a structured record of the parts, materials, assemblies, quantities and references needed to make or maintain a product. In software, a Software Bill of Materials (SBOM) lists open-source and proprietary components, versions and dependencies. The format creates a shared source of truth across engineering, production, purchasing, security and support.
Product Structures
BOM specialists define multi-level product structures and control how items move from design into production. They work with engineering, manufacturing and service BOMs, revisions, alternates, effectivity dates and unit-of-measure rules. Clear ownership prevents duplicate parts, missing components and costly changes after release.
Software Inventories
SBOM work focuses on dependency visibility, provenance and supply-chain risk. Common formats include SPDX and CycloneDX, while tools such as Syft, cdxgen and dependency scanners generate or validate component records. Strong practitioners connect these outputs with vulnerability management, CI/CD pipelines and release governance without treating a package list as the full security process.
Systems And Tooling
BOM data often crosses PLM, ERP, PDM, MES and procurement systems. Professionals may configure workflows in SAP, Oracle, Siemens Teamcenter, Windchill or Arena, while also transforming CSV, XML and JSON data through APIs and integration services. They establish identifiers, revision rules, validation checks and traceable change histories.
When Expertise Helps
Companies usually bring in freelance BOM specialists when product data is inconsistent, a new system is being implemented or compliance work requires dependable component visibility.
- Consolidating duplicate parts and legacy structures
- Migrating BOMs between PLM, ERP or PDM systems
- Creating SBOM generation and review processes
- Preparing controlled change and release workflows
Quality Signals
A strong professional combines data discipline with practical knowledge of the business process behind each record. They ask how items are sourced, released, changed, assembled, shipped or secured before designing a structure. Look for experience with validation, version control, integration testing, documentation and stakeholder alignment, plus the ability to explain trade-offs clearly.
Frequently asked questions
Need clarity? These are the questions we hear most often about Bill of Materials.
A Bill of Materials defines the components, materials, quantities and relationships required to build, service or secure a product. In software, an SBOM maps application dependencies so teams can manage vulnerabilities, licensing and supply-chain exposure.
A BOM usually describes the physical structure of a manufactured product, including assemblies, parts and materials. An SBOM is a software-focused inventory of packages, libraries, versions and dependencies, often exchanged in SPDX or CycloneDX format.
A Bill of Materials specialist often works across PLM, ERP, PDM, MES and procurement systems. Useful adjacent skills include data migration, API integration, master data governance, revision control and manufacturing or software release processes.
The right BOM professional depends on the scope, data quality and systems involved rather than a fixed experience level. A focused cleanup may need strong data and process skills, while a global implementation calls for expertise in architecture, migration, governance and change management.
Bill of Materials work is often suitable for remote collaboration when systems, sample data and decision owners are accessible online. On-site sessions can still help with factory process discovery, physical part validation, workshops or coordination across engineering and production teams.
A Bill of Materials in manufacturing emphasizes physical parts, assemblies, quantities, revisions and production effectivity. Software BOM practice emphasizes dependencies, licenses, provenance and vulnerabilities, but both require reliable identifiers, ownership, change control and traceability.
A capable BOM specialist should leave behind a usable structure, documented rules, validated data and a clear operating process. Depending on the project, deliverables may include migrated records, integration mappings, SBOM exports, governance guidance, test evidence and training material.
Ask the Bill of Materials professional to explain how they would handle revisions, duplicate items, missing metadata, alternate components and failed integrations. Strong answers connect data decisions to procurement, production, service or security outcomes and include practical validation steps.
The average hourly rate of freelancers who have used Bill of Materials in their recent projects is 92 €, which corresponds to a daily rate of about 735 € based on an 8-hour working day.
Of the freelancers who have used Bill of Materials in their recent projects, 87% hold at least a Bachelor's degree, 47% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers who have used Bill of Materials in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers who have used Bill of Materials in their recent projects are German (100%), English (96%), and French (21%).
The most common industries among freelancers who have used Bill of Materials in their recent projects are Manufacturing (87%), Automotive (63%), and Information Technology (44%).
The most common business areas among freelancers who have used Bill of Materials in their recent projects are Product Development (83%), Project Management (76%), and Quality Assurance (70%).
Main locations of FRATCH Experts, who have recently used Bill of Materials
Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Vienna Graz Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Zurich Geneva Basel Bern Countries:
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FRATCH CEO
