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Zbigniew JastrzebskiZJ

Zbigniew Jastrzebski

Migration Architect / Senior Business Analyst / AI

€240/day
Warsaw, PL
15+ years

Average response time: 1 hour

About Zbigniew

  • Polish

    Native or bilingual

  • English

    Fluent

  • Russian

    Conversational

  • German

    Basic

Remote only
Primarily works remotely

Experience

  • SAPIENS Sp. z o.o.
    Migration Architect / Senior Business Analyst
    DIGITAL AND IT
    May 2016 - Today (10 years and 3 months)
    Responsibilities
    • • End-to-end migration analysis and architecture for international insurers; integrating multiple IT suppliers and products (non-life, group, agricultural).
    • • Business and system analysis: current-state verification, target-state design, and data transformation paths preserving business continuity.
    • • Workshops with business and IT stakeholders; design and ownership of team wide standards for project documentation and knowledge repository.
    • • Support for business transformation in multiple delivery models: big-bang, phased, renewal-aligned.
    • • Pre-sales and scoping support for new European clients. Key projects
    • • LB (Denmark) – legacy-to-IDIT® transformation of 1M policies, 1.5M claims.
    • • Folksam (Sweden) – group insurance data migration in a complex architecture.
    • • Vereinigte Hagelversicherung (Germany) – agricultural insurance migration of 140k contacts, 200k bundle policies (24M positions), 3.6M documents. Leading 9-person team in this 3-year engagement. Tools used Talend and K2View (data migration platforms), Claude API, Microsoft Teams, SharePoint, Office, Project, Visio. Achievements and awards
    • • Designed and led development of an AI agent for data migration support – a Claude-based plugin with three skills (Writer, Verifier, Learner) covering generation, validation, and continuous refinement of key migration artifacts.
    • • Delivered legacy-to-IDIT® transformation at LB within planned budget, quality and timeline, preserving the full scope of business data (policies, contacts, claims, accounting, documents).
    • • Designed migration architectures for two complex environments: group insurance at Folksam (multi-product/multi-entity) and agricultural insurance at
    VH (hierarchical product structures at scale).
    • • Established documentation, training and knowledge-management standards adopted across the migration team — accelerating analyst onboarding and ensuring delivery consistency across engagements.
  • ITMAGINATION Sp. z o.o.
    Business Analyst
    November 2014 - May 2016 (1 year and 6 months)
    • • Business and system analysis: as-is verification (requirements, use cases, activity diagrams) and to-be design (use cases, UI prototypes, business objects).
    • • Workshops with business clients on requirements, prototypes and prioritisation; cooperation with developers and testers in SCRUM. Tools used Enterprise Architect, Balsamiq Mockups, Microsoft Office, Project, Visio, SharePoint.
  • CoCoNet Polska Sp. z o.o.
    Senior Business Analyst
    November 2009 - July 2014 (4 years and 8 months)
    Responsibilities
    • • Led the analysts' team on the Bank of Ireland project — work planning, estimations, risk management, communication and process adjustments.
    • • Managed the requirement specification process; team successfully certified at CMMI Level 3.
    • • Business and system analysis for ING, BoI and UniCredit — UI and process prototypes, case studies, option analysis with win-win recommendations. Tools used Enterprise Architect, Visual Paradigm, JIRA, Confluence, ClearQuest, Microsoft Office, Project. Achievements and awards
    • • Designed and delivered the "bank entities" regionalisation enabling one of the largest European banks to support international clients across countries through separated administrator groups.
    • • Unified system documentation standards and software functionality (naming, GUI layout, functional cohesion) across multiple banking clients.

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Education

  • Bachelor's degree
    WSISIZ
    2011
    Bachelor's degree
  • Building a high-value SaaS business
    Claude AI fluency;
    2026
    Building a high-value SaaS business

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