Volodymyr Tsyrfa - Резюме Дата Аналітик

KINTO UK | Data Analyst Jun 2023 – May 2026 · Portsmouth Contributed to the SSRS-to-Power BI migration, rebuilding over 200 reports and cutting refresh time from 4 minutes to 20 seconds on the heaviest data driven reports, retiring 20 manual reports and moving two departments to self-service. Owned the SQL queries and stored procedures behind the SSRS reporting centre used by over 60 users across 5 teams; diagnosed and fixed over 400 data-integrity issues, cutting data-related report queries by 40%. Designed and maintained 10 Power Automate flows and pipelines, saving 4 hours per week; re-tested flows after each platform upgrade so there are none failed in production. Extended the Python ETL codebase to load / transform 4 sources, reducing manual effort by 14%. Turned 17 information requests per month into analyses and delivered them within 4 hours on average, used by suppliers. Ultima | Power BI Developer Aug 2022 – Apr 2023 · Reading Built 7 reusable, scalable Power BI reports for 4 business units, cutting build time for each new report by 27%. Built Azure Data Factory pipelines ingesting 6 sources (APIs, JSON, CSV) into the data warehouse, replacing 4 hours per week of manual collection. Debugged pipeline workflows end to end, resolving 9 defects and reducing failed runs by 16%. Reviewed and approved over 40 pull requests in Azure DevOps before release, catching around 10 defects preproduction. NHS | BI SQL Developer Jul 2019 – Aug 2022 · Worthing Built and scheduled over 40 SSIS packages and SQL Agent jobs (C#, T-SQL) delivering reports and flat files to more than 10 teams / organisations, 97% on time; replaced over 12 manual processes, saving 7 hours per week. Ran data-quality checks across over 10 feeds, finding and fixing SQL defects before delivery and reducing downstream data errors by 24%. Tested and troubleshot each SSIS package before go-live: over 70 deployments to live systems with less than 5 post release incidents. Migrated 2 databases between physical storage locations with zero data loss. Mapped data movement across SQL databases in lineage diagrams, cutting issue-investigation time from 1 hour to around 20 minutes. Handled patient-related data under NHS information-governance and UK GDPR controls, with no reportable breaches.

Solent University | BSc Computer Science Sep 2017 – Jun 2018

Analytics & BI: Power BI (reusable, scalable report design) · SSRS · Visual Studio Data engineering: SQL Server / T-SQL · stored procedures · SSIS · Azure Data Factory · Power Automate · Python (ETL) · C# · APIs, JSON, CSV Data quality & governance: data quality checks · issue remediation · data lineage mapping · data migration · prerelease testing Delivery: SSMS · Azure DevOps (pull-request review) · requirements gathering with non-technical stakeholders

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I'm currently living in UK and am more than happy to relocate to Poland. I will require work visa in order to move.

Language proficiency:
Ukrainian - Fluent
Russian - Fluent
English - Fluent