Dariusz (Robert) Kaczmarkiewicz
Business System Analyst
Experience
Business System Analyst
Zurich Insurance
Participating in a strategic enterprise project to introduce a centralized customer data platform ("Single Source of Truth") to eliminate redundant data storage and accelerate digital services
Analyzing and documenting business and system requirements for migrating large, heterogeneous data sets (ETL) and for continuous data synchronization between core systems and the new platform
Close collaboration with business units, data engineers and architects to gather and validate requirements, and to ensure data quality, consistency and regulatory compliance
Defining the migration strategy, specifying ETL processes and synchronization mechanisms, and documenting technical interfaces
Developing and executing test cases for migration and synchronization processes, and performing defect analysis to ensure data integrity and system stability
Technologies: SQL, Microsoft SQL Server, Azure DevOps, Confluence, UML, RESTful Services, Swagger, Postman
IT Business Analyst
PostFinance AG
Leading the migration of a complex acquiring application to a modern, browser-based web UI and the parallel enhancement of debit and credit card applications to increase efficiency in payment processing
Organizing and leading workshops with business units and end users to comprehensively gather and validate requirements
Analyzing the existing Java-based acquiring application to derive and transfer functionalities to the new web UI
Creating mockups in Balsamiq to visualize the new user interface and to align early with stakeholders
Defining and modeling business processes in Camunda BPMN and creating technical specifications for user interfaces and system interfaces
Leading a development team (up to 4 members) to implement the requirements
Developing and executing comprehensive test cases for quality assurance, as well as detailed defect analysis and resolution
Technologies: Polarion, BPMN, UML, Camunda, Balsamiq, Jira, Confluence, Oracle, FICO Falcon, Splunk
Technical Business Analyst / Scrum Master
Credit Suisse AG
Enhancing a web-based intranet CRM application
Analyzing requirements and creating precise requirement specifications
Actively participating in implementation, testing and successful rollout of the developed software
Close collaboration with business engineers, product management, domain experts, IT architecture and on-site and off-/nearshore developers
Ensuring application quality through regression tests and comprehensive documentation
Organizing and conducting Scrum ceremonies for effective team communication
Continuously optimizing agile methodology and proactively addressing defects
Supporting Product Owners in managing and prioritizing the backlog
Technologies: UML, XML, Jira, Oracle, SQL, Java, Enterprise Architect
Solution Engineer
Julius Bär AG
Coordinating the migration and upgrade of IBM OTMS (Order Transport Management System)
Extending system functionality according to requirements
Creating technical specifications, customizing and developing features within OTMS
Installing software, configuring and optimizing performance
Testing and commissioning to ensure flawless system performance
Technologies: Windows Server, Linux, Java, Oracle, SQL, PL/SQL
Solution Engineer
UBS AG
Migrating and upgrading the Application Lifecycle Management system (HP Quality Center)
Coordinating the project and creating technical specifications for migration and upgrade
Performing data modeling and mapping tasks to optimize data structure and system integration
Developing batch processes in VBScript to automate workflows
Installing and configuring software on Linux and Windows systems
Conducting comprehensive system integration tests and supporting commissioning and rollout
Technologies: Linux and Windows Server, Oracle, SQL, VBScript
Business Analyst / Requirements Engineer
Credit Suisse AG
Further development and redesign of the InvestNET platform (Portfolio Management System)
Modernization and optimization of the user interface and introduction of new features for Private Banking
Adjustment of investment strategies and enhancement of client portfolios through portfolio optimization
Development of a modern, intuitive user interface to support the advisory process
Integration of comprehensive reporting and documentation functions for performance and risk analysis
Ensuring a modular and maintainable architecture
Conducting workshops and interviews for requirements definition; specification with use cases, business rules, and user stories
Reverse engineering of existing Java functionality and creation of complete documentation
Modeling of a domain model (business object model)
Coordination of development with offshore teams; creation of test cases, tests, and defect analyses
Change management and prioritization of change requests
UI design and prototyping with Balsamiq
Technologies: Jira, Confluence, ALM (HP QC), Balsamiq, UML, Enterprise Architect, MS Word, Excel, XML, SQL, Oracle, Java, Web Services, CORBA, iPad
Application Architect
IBM / IGS Informatikgesellschaft für Sozialversicherungen
Modernization of the IT application landscape (30 subsystems)
Gathering requirements through workshops and discussions with end users (social security institutions)
Development of domain models, use cases, and business rules
Modeling of system components using an MDSD approach with UML component models
Active quality assurance during implementation, testing, and deployment through process definition and review of use cases, component models, test cases, and source code
Coordination of development and testing tasks in distributed teams on-site and offshore (India, Germany)
Leading communication between IBM staff and SVA subject matter experts and testers
Analysis and handling of defects
Technologies: Unix, UML, Enterprise Architect, Java, JEE, XML, Oracle, SQL, Innovator
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Government and Administration (11 years), Banking and Finance (8.5 years), and Insurance (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (17.5 years), Project Management (16.5 years), Quality Assurance (13.5 years), Product Development (5 years), Business Intelligence (4.5 years), and Investments and M&A (3 years).
Summary
Experienced IT Business Analyst with over 30 years of expertise in IT consulting and software development. Specialized in requirements management, data modeling, process analysis and optimization. Extensive experience working with interdisciplinary teams and using agile methods like Scrum and SAFe. Skilled in creating detailed technical specifications and interface documentation.
Skills
Professional And Industry Knowledge
- Business Analysis And Requirements Engineering
- Several Years Of Experience In Structured Requirements Analysis And Requirements Engineering.
- Creation Of Precise Specifications And Documentation, Including Business Rules, Use Cases And User Stories.
- Expertise In Developing Solutions For Web-based Ui/ux Systems And Complex Backend Applications.
- Ui/ux Design And Prototyping
- Hands-on Experience In Developing And Validating User Interfaces With Tools Like Balsamiq.
- Creating User-friendly Designs That Are Intuitive And Optimally Support Digital Business Processes.
- Agile Working And Devops Experience
- Extensive Experience Working With Agile Methods Like Scrum And Safe.
- Leading Interdisciplinary Teams In The Development, Quality Assurance And Optimization Of Complex Applications.
- Finance And Insurance Knowledge
- Deep Understanding Of Banking And Payment Systems, Including Integration Of Debit And Credit Applications And Acquiring Systems.
- Solid Knowledge In Core Insurance Business And Its Data Management.
- Technical Understanding And Interface Management
- Proven Expertise In Api Integration (Rest, Soap) And Data Flow Control.
- Competent In Collaborating With Development Teams To Ensure Optimal System Communication And Functionality.
- Testing And Quality Management
- Developing And Executing Comprehensive Test Cases And Scenarios To Ensure The Highest Quality Standards.
- Experience In Regression Testing And Defect Management In Agile Environments.
Methodical Skills
- Business Analysis / Business Engineering (> 10 Years)
- Business Process Modeling (Bpmn)
- Use Case Analysis
- Modeling And Visualization With Uml
- Requirements Engineering And Management (> 20 Years)
- Creating Use Cases, Requirements Specs And Functional Specs
- Structuring And Documenting Complex Processes
- Project And Process Management (> 10 Years)
- Digital Transformation (> 5 Years)
- Business Process Management
- Agile Methods (> 10 Years)
- Scrum: Conducting Scrum Ceremonies, Continuous Optimization Of Agile Methodology
- Safe: Applying And Adapting To Specific Project Requirements
- Rup (Rational Unified Process), Umf (Unified Modeling Framework), Waterfall Model
- Flexibility In Choosing Methodology According To Project Requirements
- Stakeholder Management (> 20 Years)
- Change Management And Requirements Prioritization (> 20 Years)
It Skills
- System And Application Integration
- Data Analysis And Modeling
- Software Architecture And Design Patterns
- Software Application Development Across The Entire Project Lifecycle
- Project Approaches: Waterfall, Iterative, Agile
- Requirements And Test Management
- Relational Databases, Oracle, Db2, Sql, Pl/sql
- Atlassian Stack (Confluence, Jira, Etc.)
- Microsoft Suite (Teams, Sharepoint, Ms Visio, Ms Project, Ms Office)
Applications / Programming Languages / Tools
- Front Arena
- Ibm Otms (Order Transport Management System)
- Ibm Websphere Message Broker
- Ibm Websphere Application Server
- Ibm Websphere Mq (Mq Series)
- Micro Focus Alm (Application Life Cycle Management) / Hp Qc (Quality Center)
- Apache Tomcat
- Icc / Ocr, Scanning
- Java / Jee, C / C++
- Javascript
- Python / Ael, Shell Scripting
- Uml Tools (Enterprise Architect)
- Bpmn Tools (Camunda)
Additional Skills
- High Quality Awareness
- Excellent Organizational And Planning Skills
- Strong Proactive Attitude
- Business Orientation Combined With Broad Technical Knowledge
- Experience In International (Offshore And Nearshore) Projects
Languages
Education
Mannheim University of Applied Sciences
Diploma in Computer Science · Computer Science · Mannheim, Germany
Certifications & licenses
Requirements Engineering IREB Certification
Profile
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