Thorsten O. - Test Manager, Senior Business Analyst, Core Banking Specialist, Payments

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Düsseldorf, Germany

Experience

May 2025 - Oct 2025

6 months

Implementation of a New Girocard in Combination with Visa-Debit Payment Function for Commerzbank

Bank-Verlag GmbH

Supported the card processing teams, clearing and settlement including dispute management during project activities.
Authored requirements in Jira and Confluence.
Performed requirements engineering (requirements management) with management and functional contact persons.
Participated in workstream meetings with VISA Inc., SRC Security Research & Consulting GmbH, Commerzbank AG, PwC, and Senacor Technologies AG.
Carried out sprint planning, backlog, and dashboard maintenance in Jira.
Provided status reporting to management, including weekly reports for three workstreams: clearing & settlement, dispute management, and reporting & GUI.
Coordinated network and file transfer teams to execute tests of new interfaces, e.g., communication of host keys, using VPN or sipnet connections.
Coordinated test file deliveries including FX-rates (foreign exchange rates; TC 56 of VISA rates), VISA Debit and Credit transactions (Base II format), and EANSS/ISS Base II clearing files for processing by the Debit Clearing System (DCS).
Moderated discussions regarding use of Visanet Settlement Service (VSS), PSD2 reports, and payment statistics (ZVS).
Organized workshops with FiServ (First Data) and the bank regarding dispute management, compliance management, and differentiation from fraud management.
Maintained Open Point List (OPL) in Confluence.

Apr 2025 - Oct 2025

7 months

Instant Payments Active (ISO 20022) Implementation with Payment Hub of Foconis

Berenberg Bank, Joh. Berenberg, Gossler & Co. KG

Acted as sub-project lead and Test Manager.
Performed test management and planning under current regulatory and governance rules.
Authored the test strategy and plan in cooperation with other sub-projects.
Advised on using tools for Instant Payments test execution, e.g., Gravning, euro-v, unifits Test Engine.
Created test cases and executed tests.
Documented testing results.
Conducted requirements engineering with business users.
Created a Jira Kanban dashboard to track test progress.
Performed regression testing of Instant Payments passive payments (ISO 20022).
Tested payment formats: pain.001 (ACT), pacs.002 (RPY), pain.002 (RCP), camt.056 (RCL), camt.029 (RJT).
Systems tested by workstreams: GEVA foconis instant payments, pelican.AI Fraud and Sanctions scenarios, CoCoNet Corporate E-Banking using bank computer and Corporate Portal using Electronic Banking Internet Communication Standard (EBICS).
Coordinated non-functional tests: Microsoft Azure Health Check, penetration tests.

Aug 2024 - Mar 2025

8 months

Munich, Germany

Core Bank Migration from BASE (Rumba and Prisma) to Agree21 Including Change of Computing Centers

Sparda-Bank München Incorporated Co-operative

Acted as co-lead of the sub-project Test & Cut-Over Management.
Organized cut-over activities for three test weekends, general rehearsal, and go-live.
Technical and functional scope included ATMs, bank statement terminals, Instant Payments transfers, PSD2, telephone banking, online banking, and mobile banking (TEO).
Supported test preparations and executions in the test tool aqua.
Provided coaching and training for project team members in coordination with sub-project leads of core processes, customer and account processes, sales processes, credit processes, regulatory and finance processes, and IT processes.
Collaborated with sub-projects on corporate communications and training & human resources.
Supported, coordinated, and coached internal employees and external service providers before, during, and after cut-over preparation.
Authored status reports for the sub-project.
Participated in the archive migration to Atruvia.
Participated in and coordinated post-migration activities with Sopra Financial Technology GmbH, e.g., reviewing deletion concepts and infrastructure components using Jira tickets and Confluence pages.
Used BAP of agree21, Omnikanalplatform (OKP), aqua, Jira, Confluence, Lotus Notes (v HCL 12), and BankingWorkspace.
Used the standard migration approach methodology of Atruvia for new customers.
Used Atruvia’s migration handbook and compliance guideline.

Apr 2024 - Jul 2024

4 months

Kornwestheim, Germany

Bausparen@Wüstenrot (B@w) – Implementation of a New and Standardised Building Society Savings System (IBS Building Association)

Wuestenrot Bausparkasse AG, Group Wuestenrot and Wuerttembergische AG

Acted as Senior Business Analyst and Scrum Master of the sprint team for the yearly account statement of SAP Business Partner, sub-project Core bank.
Analyzed business processes and documented them with BPMN models.
Authored business concepts: mid-year account statement, regenerated account statement, and the user interface.
Authored manual test cases in Jira.
Created Jira bug tickets for OSS messages to SAP and iBS (Accenture).
Performed GAP analysis between the host system and SAP.
Authored the Definition of Done (DoD).
Used MS Teams, Confluence, Microsoft products, and an Output Management System (OMS).
Used portals of customers of the building society.
Coordinated with SAP developers.
Executed SAP customizing using SAP Transport Manager.
Collaborated with other business analysts from SAP CYT, SAP CML, SAP BCA, iBS BASS building society savings, and SAP Business Partner (SAP BP).
Subject matter expertise: yearly account statement, building society savings, building subsidy, capital formation savings payments, SAP Business Partner, correspondence addresses, SAP Business Partner – group as a married couple.

Sep 2023 - Mar 2024

7 months

Aschheim, Germany

Project #BeSAP, Data Migration from Microsoft Navision ERP to S/4 HANA for Fashion & Vertical Business, SAP S/4 HANA

Best Secret GmbH

Acted as a consultant in the S/4 HANA project.
SAP system data involved: SAP S/4HANA FOUNDATION 2020, Application Framework (ID: UI5; Version: 1.84.7), SAP Logon (770 Final Release), SAP S/4HANA 2020 (SP Stack 02), ABAP PLATFORM 2020 (SP Stack 02), SAP FIORI FOR SAP S/4HANA 2020 (SP Stack 02), SAP FIORI FES 2020 FOR S/4HANA (SP Stack SP02), MDG Foundation (Rel. 805, all SP Stack 0002), MDG Applications (Rel. 805), S4CEXT (Rel. 105), S4CORE (Rel. 105), S4CRM (Rel. 205).
Used a greenfield approach as a freeze-thaw project.
Developed a test strategy based on process descriptions of SAP Procure-to-Pay (P2P), SAP Order-to-Cash (OTC), SAP Master Data Management (MDM), and SAP Finance (SAP FI) and Controlling (SAP CO) (FICO).
Implemented the test strategy to adapt the test systems to Best Secret’s needs.
Reviewed business requirements originally defined as scenarios.
Created, structured, and maintained test cases in JIRA Xray for positive, negative, and variant tests.
Used Jira Test Plan, Test Execution, Test Set, Test Case, Task.
Performed test execution and documentation using priorities.
Documented and retested errors, bugs, and tickets.
Reported test activities.
Supported and trained business testers/key users during user acceptance tests (UAT).
Delivered SAP trainings for employees.
Led Jira workshops (approx. 60 invitees).
Tested Kafka topics as producer and consumer.
Used Slack, Bitwarden v2023.8.4, Jira Agile v8.20.17, Jira Xray, Kafka using AKHQ.io, gamma-system, SAP Fiori, Playwright, MS Teams (Outlook and Chat), Confluence, SmartSheet, Lucidchart, Microsoft 365, Office Delve, and ServiceNow.
Processed iDocs (TA BD87).
Organized and participated in system demonstrations and digital meetings on scenarios, e.g., business playbacks.
Specializations included: stock transfer order scenario among sites (retail), procure-to-pay (P2P) scenario from purchase order to ASN with and without EAN, GTIN, and vendor article number including differences and tolerance breaches.
Responsible for the scenario Pricing Master E2E Sales Price and RRP.
Responsible for SAP Finance FI/CO (SAP Finance and Controlling), asset accounting, closing, electronic bank statements, non-trade purchase orders using Onventis EDI exchanges with suppliers and processing of SAP iDoc.
Project language, including documentation, was English.
Collaborated with management consultancies: PwC and McKinsey.
Size of test team: 8 consultants.

Jul 2023 - Oct 2023

4 months

IT Infrastructure Project EDDy_neu

WM Group Data Services, Wertpapier-Mitteilungen Keppler, Lehmann GmbH & Co. KG

Acted as a Business Analyst.
Functional expert in JIRA tickets: Epics, User Stories, Requirements, Defects, Features.
Member of team Operations.
Contact person for internal and external stakeholders.
Analyzed and specified requirements.
Accompanied developments.
Intermediary between other functional and IT departments.
Prepared for acceptance tests (UAT).
Updated and corrected concepts.
Planned, prepared, executed, and documented tests.
Access rights manager for Operations in Business One Identity Manager.
Organized and created the roles and access rights concept for using the dashboard EDDy Client.
Documented and administered Confluence pages covering functional areas: shares, warrants, bonds, options, funds, trading locations, trading segments, security identification number (WKN), ticker, EKN-Service, company notifications, BULK-Events.
Processed MiFID II / MiFIR and PRIIPS files in the formats: csv and XML.
Used Jira Xray for Test Management/QA: Atlassian Jira Project Management Software (v8.20.13#820013-sha1:e83256f).
Employed a Brownfield approach from September 2023.

Feb 2023 - Jun 2023

5 months

Loans with Supplementary Agreements within the Bank’s Loan Portfolio Model (Loan Data from SAP CML)

DekaBank – German Central

Provided consulting regarding the implementation of changes resulting from adjustments to the risk model due to regulatory requirements.
Gave suggestions to update functional documents.
Created and executed test cases.
Performed data analysis, i.e., usage of mapping rules and filter criteria.
Executed tests using adjustments along the process chain for calculating risk, e.g., adding or removing certain cash flow types.
Focus: Analysis of SAP CML’s cash flows against mapping rules within a new MS Access Database. Categories and groups of data were analyzed.

Jan 2022 - Apr 2023

1 year 4 months

Upgrade of Web and Mobile Banking Applications for the ApoBank: V2.4.63 to Web 3.x Frontend Part of Release 2.0 Avaloq Core

Avaloq Sourcing (Europe) AG

Acted as Quality Engineer of web banking applications of Avaloq Frontend Platform (AFP).
Acted as Quality Engineer of mobile banking applications.
Acted as Business Analyst of SmartClient.
Tested Avaloq Banklets and custom Banklets.
Provided for Non-Standard Service Requests (NSSR) (change requests) during test execution.
Applied Avaloq’s global test management methodology (GIM).
Applied agile methodology during the developments by the team programmers.
Actively participated in dailies, creation of stories, epics, and usage of boards in Jira.
Focus areas: Payments, limits, tax, MiFID, reporting, collaboration, power of attorney, notifications.
Covered bank products and services: savings accounts, call money accounts, debit and credit cards, trading, securities, stocks and bonds.
Performed Defect Management.
Created and executed test cases in JIRA Zephyr.
Created status reports for the product owner (PO).
Created test plan document and SIT exit report using Avaloq templates.
Used microfocus ALM, Figma, transaction signing, application Ergon AirLock IAM, and AirLock WAF.
Project language: English.
Team size: 13.

Nov 2021 - Dec 2021

2 months

Upgrade to SAP Enhancement Package 8 (EHP8) for SAP ERP 6.0 Powered by SAP NetWeaver

German Federal Reserve (Deutsche Bundesbank)

Acted as SAP BCA Expert: Activation of Business Functions.
Analyzed impact on system and EoD when activating business functions, also using Switch Framework Technology (SFW).
Provided technical and functional consulting for in-house BCA processes.
Focus areas: payments, account balancing, and bank statements.
Checked Customizing, EoD (end-of-day) & job processing settings.
Performed Customizing in Implementation Guide (SAP IMG).
Performed Customizing of in-house developments, e.g., EoD-runs.
Created and edited Report Variants and used selection variables in TVARV.
Examined and gave recommendations for parallel processing of reports in the EoD, e.g., Execution Balance Sheet Preparation and Bank Statement Run.
Examined Business Configuration Sets (BC-Sets).
Accessed, read, and assessed SAP Notes using SAP Support Portal.
Examined Test Case Templates.
Executed Impact Analyzer for SAP roles and access.
Documented in MS Word.

Nov 2019 - Nov 2021

2 years 1 month

Ludwigsburg, Germany

Bausparen@Wüstenrot (B@w) – Implementation of a New and Standardised Building Society Savings System

Wuestenrot Bausparkasse AG, Group Wuestenrot and Wuerttembergische AG

Acted as Test Co-ordinator of sub-project test, team BCA-test, Level 1 Phase 2; lead BCA tester; SAP BCA expert.
Created test case matrices based on requirements and specifications.
Classified business requirements and verified testability.
Executed test cases and documented results and any test deviations.
Supported in automating test cases in Jira and Adaptavist using actionword-code.
Performed resource planning.
Executed Stand-Ups for the BCA test team (approx. 21 participants).
Participated in scrum meetings, sprints, and practiced agile methods, e.g., use of Kanban boards.
Organized meetings and workshops, such as introduction to automation of test cases using Adaptavist.
As an external consultant: shadowed and re-shadowed internal employees, e.g., test objects BCA archiving, account statements and balance notifications, SAP BP roles, person-contract relations.
Executed steps to approve test case matrices and test cases.
Coordinated discussions to determine test system landscapes, identify test data, and interfaces to systems, e.g., Informatica Information Lifecycle Management (ILM) and IBM Content Manager.

May 2019 - Nov 2019

7 months

Münster, Germany

SAP Trainings (SAP CML, SAP BP, SAP ERP, In-House Developments) (Programme: Migration - Bank21 to SAP ERP)

DZ HYP / DG HYP / WL BANK

Acted as Trainer, SAP expert, external consultant.
Authored trainer material (format: MS PowerPoint PPTX).
Executed on-site SAP trainings and video-conferences to remote participants based on material prepared by consultant.
Executed SAP trainings using material from other trainers in the project.
Used loan process models of the organisation for setting structure of training material.
Organized and acted as protocol-taker of meetings with business departments.
Participant of Jour Fixe and status meetings with PM and business.
Specialization in market business of private customers of new loans and of existing customers‘ mortgages.
Created exercises for participants and test data in an SAP system with six clients for the project.
Covered mortgage lifecycle: from application for a mortgage to mortgage approval, processing steps, collateral management, maintenance of construction, pay-out of loan, organizational transfer of mortgage to other teams, repayment, account processing and outstanding positions, and collection process/intense customer.
Used systems and frameworks: DOXIS (company SER) (CMS, document workflow and repository system), LORA (company on-geo GmbH) (object-valuation system), Customer Interaction Centre (CIC) (framework of SAP).

Apr 2018 - Nov 2018

8 months

Düsseldorf, Germany

Instant Payments – Phase 1 – Creditor Agent (Passive, Incoming Payments); Implementation of TRAVIC Payment Hub (TPH)

DZ Bank

Acted as Test Management, test team of module Payment Processing.
Performed test case design and execution of Instant Payment tests between XML Center and TPH using SILK.
Executed test cases in Test Engine: pacs.008, pacs.002, camt.056, pacs.004, camt.029.
Focus areas: TPH-GUI, liquidity management, reservations, current account, actualisation of liquidity position, boundary tests, SAP-BCA master account data interface, Defect Management using JIRA.

Nov 2017 - Mar 2018

5 months

Düsseldorf, Germany

Agree21-Integration of GENO Pago AZV – Phase 1 and 2

DZ Bank

Acted as Test team member.
Performed test case design and execution of payment tests.
Created and processed foreign payments of the formats DTAZV, MT101, MT103, and MT400.
Focus areas of my test: GUI, conditions & standing orders.

Jan 2017 - Oct 2017

10 months

Frankfurt, Germany

Integration of the Westdeutsche Genossenschafts-Zentralbank AG (WGZ) Bank

DZ Bank

Acted as Test team member.
Supported the product (non-IT) department by designing test cases for all test levels of testing SAP BCA.
Discussed concept documentation with product IT and non-IT departments and PL.
Supported go-live and hyper-care phases.
Coordinated workshops.

Jul 2016 - Dec 2016

6 months

Document Management & Archiving

Deutsche Bank AG

Acted as Team governance coordinator.
Created documentation for bank internal and external audits in compliance with bank‘s policies.
Executed and supported compliance assessments using internal bank IT systems.
Coordinated the delivery of documentation evidencing the fulfillment of regulatory documentation requirements, also leading to the closure of audit issues, whereby the creation of documentation was headed by project members.
Supported the IT Application Owner (ITAO), ITAO delegates, and Management.
Acted as SAP archiving expert with expert knowledge of SAP archiving, monitoring of test systems, and reviewer of documentation.
Performed team internal reporting.
Executed license use within the content management systems of IBM.

Jun 2015 - Jun 2016

1 year 1 month

Chief Information Security Office (CISO) and Group Data Management Office (GDMO), Group Information & Records Management (GIRM)

Deutsche Bank AG

Reviewed all applications having the potential of allowing electronic communications.
Checked the adherence to governance policies, data retention policies, data archiving rules, legal and compliance actions of identified applications.
Adhered to own electronic communication governance policies using approved review-process-steps and classifications.
Enforced and realized assessments of applications with main contact persons.
Presented findings to members of an executive committee.
Engaged in international teamwork with legal, compliance, surveillance, group data protection, records management, and data retention team members and management.
Collaborated with further committees, for example Vendor Risk Management (VRM).
Independently executed escalations to the next higher management level.
Created, maintained, and used Decision-Matrices to minimize bank risks.

Feb 2015 - May 2015

4 months

Church Tax (KiSt) Automation (Tax Program) and RunTheBank (RTB) – SAP Archiving

Deutsche Bank AG

Performed SIT tests with the Federal Central Tax Office (BZSt).
Used the AIMA interface.
Performed regression tests of church tax denomination attributes and tax identification number (TIN).
Provided expert support for the maintenance of archiving processes in the production environment.

Sep 2014 - Feb 2015

6 months

SAP DM Archiving Data Archiving of SAP DM Giro to Postbank’s Archiving System "MARS"

Deutsche Bank AG

Acted as sub-project manager of the SIT test management team.
Led a team of three members.
Created the test concept, planned resources, and provided internal leadership to the test team.

Sep 2014 - Jan 2015

5 months

SAP BA/BW Phase II Archiving, Data Archiving of SAP BA Results Data Layer (RDL) to Postbank’s Archiving System "MARS"

Deutsche Bank AG

Acted as sub-project manager of the SIT test management team.
Created the test concept, planned resources, and provided internal leadership to the test team.

Dec 2013 - Nov 2014

1 year

Church Tax (KiSt) Automation (Tax Program), Implementation of Church Tax Denomination Attributes and German Tax

Deutsche Bank AG

Designed test cases and test catalogues.
Provided project support as an SAP Business Partner expert.
Prepared and conducted workshops.
Executed SIT tests.

Jun 2013 - Oct 2014

1 year 5 months

SAP Business Partner, Implementation of Organisational Blue Print (New Attributes) and Change from SAP BP „Slave“ to „Master“

Deutsche Bank AG

Acted as Sub-project manager of test management team „Reconciliation partner data – SAP BP“.
Team of three members.
Performed test planning and execution of SIT-Tests to reconcile the ETL data (Master) and SAP BP Open Hubs of SAP BW (Slave).
Executed following the Agile Development Approach.
Member of the development team.

Apr 2013 - Mar 2014

1 year

SAP Bank Analyser Archiving, Data Archiving of SAP BA Source Data Layer to Postbank’s Archiving System "MARS"

Deutsche Bank AG

Performed test case and test catalogue design.
Provided input to the creation of the test concept for archiving.
Executed SIT Tests.

Dec 2012 - May 2013

6 months

SAP Business Partner, Implementation of Organisational Blue Print (New Attributes) and Change from SAP BP „Slave“ to „Master“

Deutsche Bank AG

Performed test case and test catalogue design.
Created test concepts, resource planning, and the internal management of test teams.
Prepared and executed workshops.
Executed SIT tests.

Jul 2012 - Dec 2012

6 months

SAP DM Archiving, Data Archiving from SAP DM Spar to Postbank’s Archiving System "MARS"

Deutsche Bank AG

Performed test case and test catalogue design.
Provided input to the creation of the test concept for archiving.
Executed workshops between Postbank and Deutsche Bank project team members.

Jan 2012 - Jun 2012

6 months

Implementation Project 1 (EP1) – Retail Target Platform (RTP) – Savings

Deutsche Bank AG

Acted as Sub-project manager of test management team „Intersystem Reconciliation“.
Team of four members.
Performed test planning and execution of payment tests between SAP Payment Engine (SAP PE) and SAP Deposits Management (SAP DM).

Nov 2011 - Dec 2011

2 months

Internal Account Transfer (IAT)+ (SAP DM Migration)

Nationwide Building Society

Performed SAP MaxAttention contract work.
Authored “Analysis of Nationwide Building Society’s Back Book Migration Documentation against Best Practice”.

Apr 2010 - Oct 2011

1 year 7 months

SAP DM@WestLB: National Current Account Data Migration from WestLB AG’s KONTO-System to SAP DM

WestLB AG

Provided input to the creation of the migration concept.
Used migration tools (MBW).
Created and implemented a migration architecture.
Developed migration programs and upload processes in ABAP.

Aug 2009 - May 2010

10 months

BCA Release Change 4.6c -> ECC 6.0, Wüstenrot & Württembergische

Wüstenrot Bank

Acted as a key player as SAP Banking consultant.
Created a BCA-delta-design document.
Created a design document for reserved funds.
Implemented the BCA- and SEPA concepts.
Supported product (non-IT) departments during the acceptance tests (UAT).

Jul 2009 - Aug 2009

2 months

Single European Payment Area (SEPA) Direct Debit Implementation

DZ Bank Girozentrale

Performed test coordination between the bank and payment companies, creation of test documentation.
Coordinated, executed, and monitored test results, for example test postings of DZ Bank and incoming payments.

Mar 2008 - May 2008

3 months

SAP Banking Service Package Installation

WestLB AG

Supported SAP Customer Competency Centre (CCC).
Executed SPAU and SPDD.
Executed program and customizing corrections.

Sep 2007 - Jun 2009

1 year 10 months

Cash Pooling System: File Input Processing of MT101 SWIFT

WestLB AG

Created interfaces including IBAN and BBAN functions, using Standard Settlement Instructions (SSI).
Created test data, reports, and concept.

Dec 2006 - Feb 2009

2 years 3 months

Implementation of Customer Data within SAP BCA: Usage of SAP HCM Data

WestLB AG

Created concept for the technical realization.
Coordinated technical requirements for SAP HCM ABAP and BDT programming.
Provided consulting regarding internal audit and data privacy.

Dec 2006 - Jul 2007

8 months

SAP Banking Change Release from 4.6C to ECC 6.0

WestLB AG

Acted as Sub-project manager of Cluster "BCA and CSC": Planning and coordination of tasks within cluster.
Coordinated and performed resource planning of external employees.
Performed customizing and programming of BCA and CSC-components.
Created concept for the implementation of the changes.

Sep 2006 - Nov 2006

3 months

SAP BCA Upgrade Using SAP Notes

WestLB AG

Installed approximately 400 SAP Notes.

Feb 2006 - May 2006

4 months

Paris, France

Current Account Data Migration to Wholesale Banking System (MIDAS) to SAP BCA - Phase 1 Nostro Accounts

WestLB Paris

Acted as Project team member responsible for BCA technical issues.
Documented the comparison of MIDAS system use between WestLB Milan and WestLB Paris.
Executed GAP analysis, created concept, and executed data migration and test.
Performed customer development for interest calculation.
Reported to Chief Operating Officer (COO) and PL.
Executed SAP BCA and SAP General Ledger (FI) Product-Account mapping.

May 2005 - Mar 2006

11 months

Milan, Italy

Current Account Data Migration to Wholesale Banking System (MIDAS) to SAP BCA

WestLB Milan

Acted as Project team member responsible for BCA technical issues.
Documented the comparison of MIDAS system use between WestLB Milan and WestLB Paris.
Performed customer development for payments and regulatory reporting.
Documented and obtained sign-off of developments from Chief Operating Officer (COO).

Summary

From the world of mainframe with PL/1 programming to the global SAP Banking module implementation, development, and consulting. My focus in recent years has been on contributing to implementation projects.