Recommended expert

Dariusz (Robert) Kaczmarkiewicz

Business System Analyst

Dariusz Kaczmarkiewicz
Zürich, Switzerland

Experience

Jan 2025 - Present
1 year 1 month

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

Nov 2023 - Dec 2024
1 year 2 months

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

Jan 2022 - Oct 2023
1 year 10 months

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

Apr 2021 - Dec 2021
9 months

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

May 2018 - Nov 2019
1 year 7 months

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

Jul 2013 - Aug 2016
3 years 2 months

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

Nov 2000 - Dec 2011
11 years 2 months

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

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

Polish
Native
German
Advanced
English
Advanced
Spanish
Elementary
Portuguese
Elementary
...and 1 more

Education

Oct 1989 - Jun 1993

Mannheim University of Applied Sciences

Diploma in Computer Science · Computer Science · Mannheim, Germany

Certifications & licenses

Requirements Engineering IREB Certification

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