Thorsten Otremba - Workstream Lead for Banking Projects

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Düsseldorf, Germany

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Experience

May 2025 - Oct 2025

6 months

Cologne, Germany

Workstream Lead (WS)

Bank-Verlag GmbH

Introduction of giro card with Visa Debit card payment function (Combocard) for Commerzbank
Support for the Card Processing Team (card processing; Clearing & Settlement incl. Dispute Management teams) in project work
Creation of requirements for the Clearing & Settlement team, Authorization team (AZ) and Card Production team (KP) as part of a requirements catalog
Requirements engineering (requirements management) with business contact person
Participation in workstream meetings between VISA Inc., SRC Security Research & Consulting GmbH, Commerzbank AG and consulting firms (PwC and Senacor Technologies AG)
Sprint planning with Jira tickets of type Task and use of Confluence
Creation and presentation of weekly status reports for the Clearing & Settlement, Dispute Management and Reporting & GUI workstreams
Coordination with network and file transfer teams for connection tests of new interfaces, e.g. setup of host keys, use of VPN or sipnet connections
Coordination of the delivery of test files, e.g. exchange rates (FX rates; TC 56 of VISA rates), VISA Debit and Credit transactions (format Base II) and EANSS/ISS Base II clearing files to the Debit Clearing System (DCS)
Conducting coordination meetings on the use of Visanet Settlement Service (VSS) and PSD2 reports and payment traffic statistics (ZVS)
Organizing workshops with FiServ (First Data) on Dispute Management and complaint handling
Setup and maintenance of Open Point List (OPL) in Confluence
Technologies/methods: Jira, Confluence, giro card, VISA Debit card, payments, Kanban board, BIN, routing, CIQ, VPAY, ScalaTest, Dispute Management

Apr 2025 - Oct 2025

7 months

Hamburg, Germany

Subproject Lead (TPL)

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

Introduction of Instant Payments – activation of ISO 20022 and Verification of Payee (VoP)
Test management & test planning within the scope of applicable banking regulations
Creation of test strategy and plan in cooperation with the subprojects
Advising the bank on the choice of a payment testing tool: Gravning Test Suite, unifits Test Engine, Tosca
Test coordinator for the introduction of Verification of Payee (VoP) for SEPA Standard and SEPA Instant Payments with RVM BV bank-verlag GmbH (Bankverlag)/msg
Sprint planning with Jira tickets of type Epic / Epics and Task as test cases
Integration of cloud development environments from Azure DevOps and Kubernetes into the test process
Test case creation and test execution
Documentation of the tests carried out
Advising on the automation of E2E tests
Requirements engineering (requirements management) with the business department
Creation and presentation of status reports for the subproject in Monday.com work management
Use of SAP Signavio Process Manager, Symphony and SAP LeanIX for project transformation planning
Use of foconis payment GBS GEVA payment traffic as a cloud solution
Payment formats: pain.001 (ACT), pacs.002 (RPY), pain.002 (RCP), camt.056 (RCL), camt.029 (RJT)
Tests of the workstreams: GEVA foconis instant payments, pelican.AI fraud and sanctions scenarios, CoCoNet Corporate E-Banking on the bank computer and the corporate portal based on Electronic Banking Internet Communication Standard (EBICS) payments
Coordinator of non-functional tests: Microsoft Azure Health Check, penetration tests
Technologies/methods: Jira, Confluence, ISO 20022, payments, XML, GEVA, foconis as payment hub, Kanban board

Aug 2024 - Mar 2025

8 months

Munich, Germany

Subproject Lead (TPL)

Sparda-Bank München eG

Co-lead of the test & cut-over management subproject
Core banking migration project from Sopra Financial Technology GmbH (SFT) to agree21 (Atruvia)
Rollout of agree21 in group 5 (A17)
Organization of the cut-over for test handovers, general probe and go-live
Content topics: self-service devices, ATMs, Instant Payments ISO 20022, PSD2, telephone banking, online banking & mobile banking (TEO)
Support for test preparation and execution
Coaching and training of employees in coordination with the subproject lead (TPL) for base processes, customer and account processes, sales processes, lending processes, control and finance processes and IT processes
Collaboration with the subprojects corporate communications and training & human resources
Support, coordination and coaching of internal employees and external service providers in the preparation phase, during and after the cut-over
Creation and presentation of status reports for the subproject
Participation in the archive migration after Atruvia
Participation and coordination of the post-migration activities of Sopra Financial Technology GmbH (SFT), e.g. review of deletion concepts and infrastructure components
Participation in the passive management team and in the cleanup of business partner data, performing tasks as IKESA in BAP and data entry
Technologies/methods: BAP, Omnikanalplatform (OKP), aqua, Jira, Confluence, Lotus Notes, Deskbird, BankingWorkspace, GoTo Meeting, agree21, Rumba, Prisma, BASE, Matrix42 Ticket System, ITSM, iGrafix, IKESA

Apr 2024 - Jul 2024

4 months

Kornwestheim, Germany

Business Analyst

Wüstenrot Bausparkasse GmbH

Introduction of a new, standardized building society software system (Bausparen@wüstenrot stage 2)
Business analyst and Scrum Master for the annual account statement sprint team of subproject core banking, stage 2, phase 1
Analysis of business processes, requirements and data
Collecting, interpreting and presenting data, e.g. process flow models and process models
Identification of solutions for improvement
Creation of business concepts, Jira requirements, Jira tasks, Definition of Done
Creation of test cases for Jira and Jira bugs for OSS reports to SAP and iBS (accenture)
Creation of gap analyses between mainframe and SAP
Execution of SAP customizing and recording in the SAP transport order
Exchange with business analysts from SAP CYT, SAP CML, SAP BCA, iBS BASS Bausparen and SAP business partner (SAP BP)
Content topics: annual account statement, building savings contracts, loans, tax certificates, housing construction premium (WoP), capital-forming benefits (VL), SAP business partner, spouse groups, correspondence addresses
Technologies/methods: iBS BASS Bausparen, Jira, Confluence, SAP customizing, SAP BP, agile project management, refactoring, requirement engineering

Sep 2023 - Mar 2024

7 months

Munich, Germany

Senior SAP S/4 HANA Tester

Best Secret GmbH

Data migration from Microsoft Navision ERP to S/4 HANA for Fashion & Vertical Business as part of the SAP S/4 HANA implementation program
Functional tester & deputy test manager
Consulting in the S/4 HANA project (Application Framework: UI5, Version 1.84.7, SAP Logon: 770, MDG Foundation, MDG Applications)
Digitization of Product Lifecycle Management (SAP PLM)
Derivation of test scenarios from process descriptions for SAP Procure-to-Pay (P2P), SAP Order-to-Cash (OTC), SAP Master Data Management (MDM) and SAP Finance and Controlling (FICO)
Creation, structuring and maintenance of test cases in JIRA Xray for positive, negative and variant test cases
Test execution and test documentation according to prioritization
Guidance of business testers / key users during acceptance tests
Participation in SAP training for employees and conducting Jira workshops
Tester of Kafka topics as producer and consumer
Processing of iDocs (TA BD87)
Specializations: Stock Transfer Order, Procure-to-Pay, Pricing Master, FI/CO, Asset Accounting, Electronic Bank Statements, Non-Trade Purchase Orders, EDI
Technologies/methods: SAP S/4 HANA, SAP FIORI, SAP PTP, SAP MDM, SAP OTC, SAP FICO, agile/waterfall project management, Jira, Xray, Confluence, Sharepoint, Microsoft 365, Kafka

Jul 2023 - Oct 2023

4 months

Frankfurt, Germany

Business Analyst

Wertpapier-Mitteilungen (WM) Gruppe

IT infrastructure project EDDy_neu (Enhanced Data Delivery)
Migration from host to ETL in-house developments
Subject matter expert for JIRA tickets: epics, user stories, requirements, defects, features
Contact person for internal and external stakeholders
Analysis and specification of requirements
Mediator between business and IT departments
Planning, preparation, execution, and documentation of business tests (Jira Xray)
Role manager for Operations in Business One Identity Manager
Building and expanding the role and rights concept for the group-wide dashboard EDDy Client
Documentation for business topics: shares, warrants, bonds, options, funds, trading venues, trading segments, WKN service, stock exchange abbreviations, EKN service, company notifications, BULK events
Processing of financial market directive MiFID II / MiFIR and PRIIPS files (csv, XML)
Technologies/methods: ETL in-house development, Business One Identity Manager, Agile project management, Scrum, Microsoft Teams, Confluence, Jira, Xray, Apache Kafka, draw.io

Feb 2023 - Jun 2023

5 months

Frankfurt, Germany

Test Analyst

DekaBank – Deutsche Girozentrale

Loans with side agreements in portfolio models (loan products from SAP CML)
Subject matter advice during the implementation of changes from regulatory requirements for loans with side agreements
Adaptation of business documentation
Creation and execution of test cases
Testing of changes to crediting rules and changes to transaction types
Main focus: analysis of cash flows in my own MS Access database for building categories and source systems (SAP CML, S-Broker, and manual entries)
Technologies/methods: SAP CML, SAP BP, MS Office products, MS Access DB, risk products in in-house development, loan portfolio model

Jan 2022 - Apr 2023

1 year 4 months

Düsseldorf, Germany

Test Analyst and Business Analyst

Avaloq Sourcing (Europe) AG

Upgrade of web and mobile banking applications for apoBank
Quality engineer for web banking application on Avaloq Frontend Platform (AFP) and mobile banking application
Business analysis of product openings, cooperative shares, card business, and tax information
Creation and adaptation of the test strategy for web banking using the GIM methodology
Defect management and creation of test cases in JIRA Zephyr
Creation of status reports, SIT exit report, and project test plan
Deputy for the Product Owner and the Scrum Master
Main focus: payment transactions, limits, taxes, MiFID, reporting, collaboration, powers of attorney, messages and banking products, savings, call money, bank and credit cards, trading, funds, shares, securities
Technologies/methods: ACP, AFP customizing, Jira, Zephyr, Figma, SmartClient, Agile development, test management methodology (GIM)

Nov 2021 - Dec 2021

2 months

Düsseldorf, Germany

Business Analyst

Deutsche Bundesbank

Upgrade to SAP Enhancement Package 8 (EHP8) for SAP ERP 6.0 Powered by SAP NetWeaver
Activation and analysis of business functions with Switch Framework Technology (SFW)
Technical and business advice for the customer's own BCA process
Review of customizing settings, end-of-day processing, and job flows (SAP IMG)
Creation and maintenance of report variants and use of TVARV
Investigation of parallel processing of reports in EoD (balance sheet preparation, account statement creation)
Review of Business Configuration Sets (BC-Sets) and evaluation of SAP Notes
Execution of impact analysis on SAP roles and authorizations
Technologies/methods: SAP BCA, SAP IMG, ABAP coding, MS Office

Aug 2021 - Nov 2021

4 months

Ludwigsburg, Germany

Test Analyst

Wüstenrot Bausparkasse AG

Introduction of a new, standardized home savings system (Bausparen@wüstenrot stage 1 phase 3)
Test lead for Sprint Team 1 BCA of the test subproject; resource planning for 13 team members
Creation of status reports for the subproject lead and test management
Scheduling of test cases, creation of JIRA runs, and coordination of regression tests
Leading employee meetings about all test objects
Main contact person for JIRA defect tickets from SAP BCA
Technologies/methods: SAP BCA, Risk Based Approach

Nov 2019 - Jul 2021

1 year 9 months

Ludwigsburg, Germany

Test Analyst

Wüstenrot Bausparkasse AG

Introduction of a new, standardized home savings system (Bausparen@wüstenrot Stage 1 Phase 2)
Test coordinator for subproject Test, team BCA-Test; lead SAP BCA tester; SAP BCA expert
Creation of test case matrices based on requirements and specifications
Review of business requirements and checking them for testability
Execution of test cases and documentation of test results and defects
Support with automating test cases (JIRA and Adaptavist)
Running stand-ups for team BCA-Test (about 21 participants) and taking part in scrums/sprints
Organizer of meetings and workshops (introduction to Adaptavist)
Shadower and re-shadower for topics: BCA archiving, account statements, SAP BP roles, person-contract relationships
Execution of release process steps for test case matrices and test cases
Testing of data archiving from SAP ECC 6.0 to Informatica ILM Archive incl. purge
Technologies/methods: SAP BCA, SAP BP, CDH, EAK, TOM, KAP, Informatica ILM Archive, Jira, Adaptavist, shadowing method

May 2019 - Nov 2019

7 months

Hamburg, Germany

Consultant

DZ HYP

Organization and delivery of training sessions for working groups (SAP CML, SAP BP, SAP ERP) as part of the migration project bank21 to SAP ERP
Independent delivery of training sessions in person and via video conference
Creation of training materials and compliance with the process model
Specialization in the private customer market for new business and existing customer support
Creation of exercises and test data (loan application to loan approval, disbursement, dunning process)
Planning and organization of training data in the internal SAP training system
Technologies/methods: SAP CML, SAP BP, SAP CIC0, Bank21, DOXIS, LORA, MS Office

Dec 2018 - Apr 2019

5 months

Düsseldorf, Germany

Test Analyst

DZ Bank

Instant Payments ISO 20022 – Stage 2 – Debtor Agent
Test management and test team module for payment processing
Test case creation and execution between XML Center and TPH
Execution of ISO 20022 test cases in Test Engine (pain.001, pacs.028, pain.002)
Focus areas: data migration (TPH version change), Instant Payment – nostro accounts, regression tests, embargo, recalls, bank merger (BIC merge)
Technologies/methods: SAP BC, XML Center, Travic Payment Hub (TPH), risk-based approach, ISO 20022

Apr 2018 - Nov 2018

8 months

Düsseldorf, Germany

Test Analyst

DZ Bank

Instant Payments ISO 20022 – Stage 1 – Creditor Agent
Introduction of TRAVIC Payment Hub (TPH)
Test management and test team module for payment processing
Creation and alignment of the test strategy
Test case creation and execution of Instant Payment tests in SILK
Execution of ISO 20022 test cases (pacs.008, pacs.002, camt.056, pacs.004, camt.029)
Focus areas: TPH GUI, liquidity management, management of bank accounts, SAP BCA account master data deliveries, defect management JIRA
Technologies/methods: SAP BCA, Jira, Travic Payment Hub (TPH), ISO 20022

Nov 2017 - Mar 2018

5 months

Düsseldorf, Germany

Test Analyst

DZ Bank

agree21 integration of Geno Pago AZV – stages 1 and 2
Test case creation and execution of payment transaction tests
Creation and import of CBPR+ foreign payment orders (DTAZV, MT101, MT103, MT400)
Focus areas: GUI, conditions, and standing orders
Technologies/methods: Agree21, HP ALM, SWIFT, CBPR+

Jan 2017 - Oct 2017

10 months

Frankfurt, Germany

Test Analyst

DZ Bank

Integration from WGZ Bank
Support for the business department during test execution in all test levels in the SAP BCA environment
Coordination of concepts with business departments, IT, and project management
Support during go-live and the stabilization/follow-up phase
Coordination and running of workshops
Technologies/Methods: SAP BCA, SAP BP, HP ALM

Jun 2015 - Dec 2016

1 year 7 months

Governance, Risk & Compliance Tools (GRC) Consultant / Compliance Officer / Team Governance Coordinator

Deutsche Bank AG

Project Document Management & Archiving: creation of documents for internal and external bank audits; carrying out compliance assessments (ServiceNow)
Coordination of evidence documentation for regulatory requirements and audit closure
Project GIRM: review of applications regarding electronic communication and governance policies (data retention, archiving rules)
Carrying out and documenting the assessments; presenting the results to the steering committee
Collaboration with Vendor Risk Management (VRM) and handling escalations
SAP archiving expert: monitoring test systems and license evaluations of the IBM Content Management systems
Technologies/Methods: SAP DM, SAP BA, SAP BW, ServiceNow, Information Security

Dec 2012 - May 2015

2 years 6 months

Subproject Lead / Business Analyst / Test Analyst

Deutsche Bank AG

Project Church Tax (KiSt) automation: SIT tests with the Federal Central Tax Office (BZSt) using the AIMA interface; creation of test cases and SAP Business Partner expert
Project RunTheBank (RTB) – SAP archiving: expert support for archiving processes in production; support of UC4 job chains
Project SAP BA/BW Phase II archiving: subproject lead for SIT test management; data archiving from SAP BA RDL to the MARS system
Project SAP DM archiving: data archiving from SAP DM Giro to the MARS system; lead of a team of three members
Project SAP Business Partner: introduction of group template; change of BP from slave to master; test planning and execution of SIT tests for ETL data matching
Project SAP Bank Analyzer archiving: data archiving from Source Data Layer to MARS; creation of test cases and test concepts
Technologies/Methods: SAP BA, SAP BW, SAP DM, SAP BP, UC4, MARS, ETL, Agile development, Scrum

Jan 2011 - Dec 2011

1 year

Test Coordinator

DZ Bank

Introduction of SEPA payments as test coordinator

Jan 1999 - Dec 2008

10 years

Developer and Solution Architect

WestLB

Current account data migration from the Wholesale Banking System (TVS) to SAP
Branch rollout involvement: Tokyo, Istanbul, Madrid, Dublin, Paris, Milan
3rd level support SAP BCA
Customizing of new bank codes in SAP IMG
Execution of data migration and data reconciliations with SAP FI
Setup of new Control-M job chains and their integration into the global job schedule
Execution of SAP Business Partner data migrations (roles, relationships)
ABAP programming: exits, BDT adjustments, list reports, and branch-specific reports (IBAN generator, SAP HR integration)
Technologies/Methods: SAP BCA, SAP IMG, SAP BP, SAP FI, ABAP, Control-M

Industry experience

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

Experienced in Banking and Finance, Fashion, Retail, and Information Technology.

Banking and Finance

Fashion

Retail

Information Technology

Business area experience

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

Experienced in Information Technology, Quality Assurance, Project Management, Audit, Legal, and Operations.

Information Technology

Quality Assurance

Project Management

Audit

Legal

Operations

Summary

From the world of mainframes with PL/1 programming to worldwide SAP Banking module implementation, development, and consulting. In recent years, my focus has been project support in the implementation of implementation projects.

Skills

Consulting Focus

Requirements Analysis
Business Analysis
Requirement Engineering
Test Management
Payments
Support For Core Banking Systems

Industry Experience

Financial Institutions
Retail

Methods

Independent Working
Proactive Thinking And Acting
Interdisciplinary Work
Confident Presence
Organizational Talent
Structured Way Of Working
Problem-Solving Skills
Analytical Thinking

Technologies

Programming Languages: Abap, Jcl, Rexx, Pl/1, Sql
Standard Software: Windows Office Products, Vista To 10, Version 1909, Microsoft 365, Lotus Notes, Release 8.5.3, Fp6, November 22, 2013, Basic Config., Jira V7.5.1., Ms Outlook 2013, Hp Application Lifecycle Management (Alm) Edition V12.55.113, Computer Associates (Ca) Ppm, Clarity Or Niku, Quest One Identity Manager (Q1im), Atlassian Jira Project Management Software V6.4.133, Silk Central, V1700.0.0.7, Build 6777 From 2016-05-11, Uc4 Automic Enterprise Control Center (Ecc) V2.1.4, Servicenow, Agiliance Compliance Manager, Release 7.5, Agiliance Riskvision – Vendor Risk Management (General Computer Controls (Gcc)), Atlassian Confluence, V7.7.4, Hrworks.De, Login Server V0.10.116, Unifits Xml Center V3.1.5, Travic Payment Hub (Tph) R2.2, Sap Erp 6.0 (Ehp8), Sap Netweaver 7.5, Sap Appl Rel. 618, Lora V3.0 (Company On-Geo Gmbh), Doxis (Company Ser), Cic0 (Sap), Skype For Business 2015, Microsoft Lync 2013 (15.0.5233.1000) Mso (15.0.5327.1000), Test Automation Framework (Taf) With Smartbear, Atlassian Team Calenders 6.1.1, Informatica Version 6.5 Hf1 And Ilm Engine 6.4.4 (26.07.2018), Vmware Horizon Client V5.2.0, Build-14569086, Zephyr, Figma, Avaloq, Avaloq Core Platform (Acp), Avaloq Frontend Platform (Afp), Citrix Workspace-App, Airlock V7.4, Microfocus Is Now Opentext Alm V17.01, Nexthink V23.3.1-B2d817f5 (Saas), Greenshot V1.2.10, Collmex (Cloud-Based Accounting), Smartsheet

Specialization

Sap Banking (Deposits Management (Dm), Bank Current Account (Bca))
Core Banking
Sap Erp
Sap Erp Central Component (Ecc)
Csc Module
Abap Workbench
Test Management
Banking Governance
Data Retention And Archiving
Church Tax (Kist)
Payments
Customer Consulting
Current Account
Banking
Interest Processing
Business Accounts
Banking Environment
Account Assignment Characteristics
Bank Interfaces And Reporting
Sap Data Migrations
Card Payments

Languages

German

Advanced

English

Advanced

Certifications & licenses

telc Language Tests, Deutsch B1

Institute für internationale Kommunikation Deutschland (IIK) e.V.

g.a.s.t. onSET-Zertifikatt C1

Münchener Volkshochschule GmbH

Statistics

Experience

Total positions 20

Experience in Banking and Finance 23 y

Avg length 1 y 2 m

Longest experience 9 y 11 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Workstream Lead (WS), Subproject Lead (TPL), Business Analyst

Main industries Banking and Finance, Fashion, Retail

Main business areas Information Technology, Quality Assurance, Project Management

Qualifications

Certifications earned 2

Profile

Member since

August 2025

Last update

August 2026

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Frequently asked questions

Have questions? Find more information here.

Thorsten is based in Düsseldorf, Germany.

Thorsten speaks the following languages: German (Advanced), English (Advanced).

Thorsten has at least 24 years of experience. During this time, Thorsten has worked in at least 11 different roles and for 14 different companies. The average length of individual experience is 1 year and 2 months. Note that Thorsten may not have shared all experience and actually has more experience.

Based on recent experience, Thorsten would be well-suited for roles such as: Workstream Lead (WS), Subproject Lead (TPL), Business Analyst.

Thorsten's most recent position is Workstream Lead (WS) at Bank-Verlag GmbH.

In recent years, Thorsten has worked for Bank-Verlag GmbH, Berenberg Bank, Joh. Berenberg, Gossler & Co. KG, Sparda-Bank München eG, Wüstenrot Bausparkasse GmbH, and Best Secret GmbH.

Thorsten is most experienced in industries like Banking and Finance, Fashion, and Retail. Thorsten also has some experience in Information Technology.

Thorsten is most experienced in business areas like Information Technology, Quality Assurance, and Project Management. Thorsten also has some experience in Audit, Legal, and Business Intelligence.

Thorsten has recently worked in industries like Banking and Finance, Fashion, and Retail.

Thorsten has recently worked in business areas like Information Technology, Quality Assurance, and Project Management.

Thorsten has 2 certificates. These include: telc Language Tests, Deutsch B1 and g.a.s.t. onSET-Zertifikatt C1.

The availability of Thorsten needs to be confirmed.

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Median rate 920 €

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Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.