Yahya Vall - Senior CRM Solution Architect and Scrum Master

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Wörth am Rhein, Germany

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Experience

May 2024 - Jun 2025

1 year 2 months

BTP Integration Engineer

SAP

(Technology)

Design and implementation of an SAP BTP CAP microservice to consolidate cross-system transactional checks between SAP Sales Cloud (C4C) and On-Premise SAP CRM (05/2024– 06/2025)
Bi-directional Cloud-to-On-Premise integration enabling real-time validation of Contact lifecycle and open document dependencies prior to record updates (05/2024– 06/2025)

Responsibilities / Deliverables

development of custom CAP (Cloud Application Programming) services on SAP BTP
API design, data mapping, and end-to-end integration across C4C (Cloud Runway) and legacy CRM (Traditional Runway)

Jun 2018 - Present

8 years 4 months

Wörth am Rhein, Germany

Co-founder & CEO

IF2IT GmbH

Senior CRM Solution Architect and Project Manager leading agile teams in global CRM and enterprise IT projects
Managing digital transformation, stakeholder alignment, data integration, cloud migrations, and AI/ML enhancements
Building bridges between business, IT, and cross-functional multicultural teams

Oct 2017 - Present

9 years

Architect & Technical Project Manager

International rollout of an Oracle Siebel IP16/IP24.12 sales funnel management system integrated with a mobile app solution
Technical project and rollout management / co scrum master
Architect/driver for upgrade from IP16 to IP21.11 on Oracle Cloud Infrastructure (cloud migration and data separation)
Design & development of EAI interfaces
Oracle Siebel customizing, Open UI
Operation of Siebel on OCI IP21.11–IP24.12 (deployment, patching, Linux server administration, monitoring, performance tuning & data quality control, SMC, migration)
Design, development, and rollout of several AI/ML models (e.g. for GDPR-compliant processes & predictions)
Oracle BI sales funnel dashboards
GDPR-compliant process design & implementation in Siebel CRM
Consulting on secure export, archiving, and deletion of CRM data
Implementation of interface for GDPR consent document management system
Requirement engineering
Data analysis & cleansing

Apr 2017 - Present

9 years 6 months

Lead Developer & Architect

(Automotive)

International rollout of an Oracle Siebel IP16/IP24.12 Sales funnel management system integrated with a mobile App solution (04/2017 – till date)
Conception and development of ML prediction models in sales area using Python libraries and TensorFlow framework (08/2022– till date)
Data analyst/Scientist for an AI lead generation & scoring engine using LLMs, Predictive ML, NLP intent scoring, Python, Vector DBS, Webhooks, RESTful, CRM integration tools, SQL(10/2024– till date)
Data Migration for legacy Oracle Siebel CRM migration to different systems using Siebel Services, PL/SQL, custom ETL pipelines, automated data cleansing, and mapping frameworks (05/2025– till date)

Responsibilities / Deliverables

Development, Requirement engineering, Co Scrum Master
Architect/Driver for Upgrade from IP16 to IP 21.11 on Oracle Cloud Infrastructure (Oracle cloud migration and data separation)
Design & Development of EAI interfaces (REST, SOAP, KAFKA)
Oracle Siebel customizing, Open UI
Operation of Siebel on OCI (Deployment, Patching, Linux Server Administration, Monitoring, Performance tuning & Data quality control, SMC, Migration,...)
Design, development, and rollout of several AI ML models (e.g. for GDPR-compliant process & predictions)
Lead engine (LLMS, Data analysis, Data Sciences, APIs,...)
Oracle BI Sales funnel dashboards
GDPR-compliant process design & implementation in Siebel CRM
Consulting on secure export, archiving, and deletion of CRM data
Implementation of Interface for GDPR consent doc management system
Requirement engineering
Data Analysis, Cleansing & preparation for migration

Jun 2011 - Jun 2018

7 years 1 month

Dubai, United Arab Emirates

Co-founder & CEO

ETOP Consulting

Led management and strategy consulting engagements for digital transformation initiatives across Europe, North America, Asia-Pacific, and the Gulf region
Oversaw global deployment programs and multicultural virtual teams

Jun 2008 - Mar 2017

8 years 10 months

Lead developer & Architect

Novartis Vaccines

(Pharma)

Oracle Siebel CRM Sales & Call Centre implementation, Rollout, and Support (01/2009 – 12/2016)
Oracle Siebel CRM Migration (06/2008 – 01/2009)
Migration project from Oracle Siebel to a SalesForce.com/Veeva cloud system (01/2015 – 03/2017)

Responsibilities / Deliverables

Definition of the rollout strategy, phases, and timelines
Identifying rollout dependencies, risks, and prerequisites
Coordination of cutover plans, business readiness checklists, and rollback procedures
Training, communication plans, and user onboarding
Technical Project Management & Architecture tasks
Introduction & Implementation of a Life Sciences Quote & Order Management Process Incl. Dynamic Quotes & Conditions, Pricing, and flexible Approval workflows
Architect & Lead developer for Siebel Customizing
Architect for a Siebel upgrade from 7.5 to Siebel 7.8
Conception & Implementation of diverse Oracle Siebel - SAP ERP interfaces e.g. a bi-directional SAP SD (Order Management) interface and diverse other SAP ERP interfaces (For Revenue Accounting, Customer master and Material Management) based on EAI, Web Services and SAP PI
Planning & Implementation of a Medical Call Center with multi-channel communication boxes based on Siebel email Response and CTI
Design and implementation of Audit Trail and data retention policies in a strictly regulated Medical Call Center environment
Providing a Support Concept & driving of quality reviews
Managing Second and Third Level Support
System operation & Administration
Quality assurance & Performance tuning
Reporting with Oracle BI Publisher
GxP-compliant migration from Oracle Siebel to Veeva CRM, ensuring Data Integrity and end-to-end traceability during the cloud transition
Veeva/SalesForce Administrator

Jan 2008 - Jun 2011

3 years 6 months

Eschborn, Germany

Co-founder & CEO

Impresure GmbH & Co. KG

Founded and led company delivering CRM and enterprise IT consulting services
Managed client engagements in CRM architecture, integration, and agile delivery

Mar 2007 - Dec 2008

1 year 10 months

Oracle Siebel Architect

Deutsche Telekom

(Communication)

Oracle Siebel CRM Sales & Call Center green field implementation (03/2007 – 12/2008)

Responsibilities / Deliverables

Architecture, Sizing, Performance Tuning, QA and Bug fixing
Oracle Siebel Order Management
Driving the Implementation of the call center employee Assignment Tool for Service Requests based on Oracle Siebel Workflows & Scripting
QA & Design of EAI Interfaces to diverse internal Telecom systems
Design & implementation of Audit Trail/Read & consent services

Jan 2006 - Dec 2007

2 years

Mainz, Germany

Freelancer (CRM Expert)

VALL Consulting

Provided expert CRM consulting services focused on Siebel, Salesforce, and SAP integrations
Advised clients on stakeholder management, budget control, and agile delivery

Jun 2004 - Jan 2014

9 years 8 months

Lead Developer & Architect

Boehringer Ingelheim

(Pharma)

Migration project from Oracle Siebel to a SalesForce.com/Veeva cloud system (12/2012 – 01/2014)
International Rollouts of an Oracle Siebel CRM sales & marketing templates based on Oracle Siebel Life sciences & diverse Add-on tools (06/2004 – 12/2013)
Data Migration for legacy Oracle Siebel CRM migration to VEEVA Systems using VEEVA data wizards, PL/SQL, custom ETL pipelines, automated data cleansing, and mapping frameworks (06/2012 – 01/2014)

Responsibilities / Deliverables

Oracle Siebel Technical & Performance Expert, Technical Project Lead responsible for different country rollouts
Implementation of GxP-critical features like Digital Signature Capture, Closed Loop Marketing (CLM), and Targeting & Segmentation Sales Action Planning Tool, ensuring compliance with regional pharmaceutical regulations
Subject matter expert responsible for special solutions such as validated SAP ERP interfaces, Oracle Siebel Google Map integration, Signature Capture and introducing custom Expense Management Tool
Project Manager/Architect for an Oracle Siebel CRM Technical Upgrade Project responsible for developing project planning including detail Scope, Resources, Forecast, Scheduling and Timelines
GxP-compliant migration from Oracle Siebel to Veeva CRM, ensuring Data Integrity and end-to-end traceability during the cloud transition
Veeva/SalesForce Administrator
Coaching and Training of Client employees

Jul 2003 - Oct 2003

4 months

Project Manager & Architect

Moeller AG

(Energy)

Technical Migration of an Oracle Siebel CRM Sales System (07/2003 - 10/2003)

Responsibilities / Deliverables

Technical Project Manager /Architect for the Migration Project
Driving System rollout & user trainings

Oct 2002 - Dec 2005

3 years 3 months

Frankfurt, Germany

Senior Consultant

IBM BCS

Delivered enterprise CRM solutions and led technical projects
Specialized in Oracle Siebel implementations, performance tuning, and system integrations

Oct 2002 - Jun 2003

9 months

Team Lead & Architect

Hoffmann La Roche

(Pharma)

Implementation of a CRM System based on Oracle Siebel 7.5 ePharma platform (10/2002 - 06/2003)

Responsibilities / Deliverables

Customizing team lead responsible for data modelling acting as an interface between Business & development team
Implementation of an Oracle Siebel/Tenovis Call center CTI-Solution using Oracle Siebel 7.5 CT Connect
System Support & Monitoring

Jul 2002 - Oct 2002

4 months

Oracle Siebel Consultant

Lufthansa Cargo

(Services)

Oracle Siebel CRM Sales implementation (07/2002 - 10/2002)

Responsibilities / Deliverables

Oracle Siebel Customizing/Scripting/Workflows/EAI
Conception and Implementation of Oracle Siebel-Oracle ERP-Interface based on Oracle Siebel EAI and Oracle XML Parser

Jan 2002 - Jul 2002

7 months

Oracle Siebel Consultant

Deutsche Bahn

(Logistics / Transport)

Implementation of a loyalty system with Oracle Siebel CRM loyalty & Call Centre (01/2002 - 07/2002)

Responsibilities / Deliverables

Oracle Siebel Customizing/Scripting/Workflows/EAI
Conception and Implementation of several Java Oracle Siebel-Interfaces based on Oracle Siebel EAI, XML, HTTP, Servlets, VBCs, and Oracle Siebel Scripting
Conception and Implementation of special Oracle Siebel-Interfaces E.g. Interfaces to MS Office, Lotus Notes, and Outlook
Specification, Design and implementation of a complain management process

Oct 2000 - Oct 2002

2 years 1 month

Saarbrücken, Germany

Consultant

PwC Consulting

Supported CRM and ERP consulting projects
Engaged in process optimization, stakeholder workshops, and implementation planning

Oct 2000 - Oct 2001

1 year 1 month

Netherlands

Oracle Siebel Consultant

BASF AG – Netherlands

(Chemicals)

Implementation of an international Sales Support System using Oracle Siebel Sales 2000 (10/2000 - 10/2001)

Responsibilities / Deliverables

Oracle Siebel Customizing/Scripting

Apr 2000 - Sep 2000

6 months

Eschborn, Germany

Consultant

CMG

Delivered consulting services in CRM system analysis and integration
Conducted requirements engineering and solution design

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Professional Services, Pharmaceutical, Automotive, Telecommunication, and Transportation.

Information Technology

Professional Services

Pharmaceutical

Automotive

Telecommunication

Transportation

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Operations, Sales, Quality Assurance, and Business Intelligence.

Information Technology

Project Management

Operations

Sales

Quality Assurance

Business Intelligence

Summary

Senior CRM Solution Architect, data analyst/scientist, Project Manager/Scrum Master with over 25 years of experience in managing and delivering large-scale, international CRM and enterprise IT projects, particularly with Oracle Siebel, Salesforce, Veeva, and SAP.
Proven success in leading agile software development, stakeholder management, data integration, cloud migrations, and AI/ML-enabled CRM enhancements.
Extensive experience in management and strategy consulting, working with leading consulting companies such as PwC and IBM, overseeing digital transformation initiatives, global deployment programs, and multicultural virtual teams and rollouts across Europe, North America, Asia-Pacific, and the Gulf region.
Skilled in bridging business and IT functions, aligning stakeholders, and delivering high-value CRM solutions in regulated and fast-paced environments.

Skills

Crm Systems & Architecture: Siebel, Salesforce, Veeva, Oracle Cx, Sap Sales Cloud
Mobile Solutions: App Deployment, Offline Access, Mobile Crm Enablement
System Integration: Oracle, Sap, Salesforce And Others
Ai/Ml: Prediction Models, Data Analytics, And Automation
Stakeholder Management: Steering Committees, Cross-Market Delivery, Intercultural Collaboration
Budget & Program Management: Annual Budget Planning And Control
Agile Project Delivery: Scrum, Pi, Jira, Confluence
Oracle Siebel Subject Matter Expert (Siebel 2000 - Oracle Crm Siebel 2025)
Oracle Bi
Oracle Cx
Veeva (Salesforce)
Sap Btp (Ci, Cap), Sap Sales Cloud, C4c Sap Data Workbench
Oracle Performance Tuning & Troubleshooting
Etl & Data Warehousing (Talend, Informatica Powercenter, Pentaho Data Integration)
Eai, Rest, Soap, Mq, Kafka...
Python, Java, Java Script, C++, Vb, Jquery, Node.Js, Html, Css
Git, Jenkins, Docker
Oracle Db, Pl/Sql, My Sql, Postgresql, Sql Server

Languages

German

Native

Arabic

Advanced

English

Advanced

Education

Mar 1995 - Feb 2000

University of Applied Sciences Ulm

Graduate Engineer in Electronics · Electronics · Ulm, Germany

Certifications & licenses

Certified VEEVA/Sales Force Admin

Java Master Class At Sun Microsystems

Sun Microsystems

Oracle CRM On Demand Training

Oracle Siebel Certified Consultant

Statistics

Experience

Total positions 18

Experience in Information Technology 21.5 y

Avg length 3 y 10 m

Longest experience 9 y 7 m

Global experience

Countries worked in 3 (Germany, United Arab Emirates, Netherlands)

Primary country Germany

Expertise

Recent roles BTP Integration Engineer, Co-founder & CEO, Architect & Technical Project Manager

Main industries Information Technology, Professional Services, Pharmaceutical

Main business areas Information Technology, Project Management, Operations

Qualifications

Certifications earned 6

Profile

Member since

September 2025

Last update

August 2026

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Frequently asked questions

Have questions? Find more information here.

Yahya is based in Wörth am Rhein, Germany.

Yahya speaks the following languages: German (Native), Arabic (Advanced), English (Advanced).

Yahya has at least 26 years of experience. During this time, Yahya has worked in at least 12 different roles and for 16 different companies. The average length of individual experience is 2 years and 6 months. Note that Yahya may not have shared all experience and actually has more experience.

Based on recent experience, Yahya would be well-suited for roles such as: BTP Integration Engineer, Co-founder & CEO, Architect & Technical Project Manager.

Yahya's most recent position is BTP Integration Engineer at SAP.

In recent years, Yahya has worked for SAP and IF2IT GmbH.

Yahya is most experienced in industries like Information Technology, Professional Services, and Pharmaceutical. Yahya also has some experience in Automotive, Telecommunication, and Chemical.

Yahya is most experienced in business areas like Information Technology, Project Management, and Operations. Yahya also has some experience in Sales, Quality Assurance, and Business Intelligence.

Yahya has recently worked in industries like Automotive and Information Technology.

Yahya has recently worked in business areas like Information Technology, Project Management, and Business Intelligence.

Yahya attended University of Applied Sciences Ulm for Electronics.

Yahya has 6 certificates. Among them, these include: Certified Scrum Master, Certified VEEVA/Sales Force Admin, and Java Master Class At Sun Microsystems.

The availability of Yahya needs to be confirmed.

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Daily rate avg. 830 €

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Median rate 860 €

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Calculated based on our freelancers’ daily rates as of 6 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.