Dimitriy Ni Email & Phone Number

Berlin, De

Berlin, De

• Deploying or migrating the whole data loading infrastructure via self-hosted (AWS, GCP) and cloud solutions including CI/CD• Ensuring data governance policies and data security• Creating new Airflow loading operators and deploying these via Docker• Setting up Reverse ETL pipelines, from data preparation, tool setup, to the actual loading scripts

Berlin, De

• Providing technical consultancy and support to a range of clients, offering expert guidance on technical capabilities, cost assessments, and project timelines• Responsible for the execution of data loading processes, advanced data transformations, and setup of Business Intelligence tools• Migration of tech stacks to improve scalability and performance• Generating insights through the creation of dashboards, ad-hoc reporting, and data deep-dive analysesClient-dependent technologies:• Data Warehouses: Postgres, MySQL, BigQuery, Snowflake• Data Loading: Airflow, Airbyte, Fivetran, Stitch, Python• Data Transformations: dbt, Tableau Prep, Python• Data Sources: ERPs (MSSQL), CRMs (Klaviyo, Hubspot, Salesfoce), Marketing (GoogleAds, MetaAds, GA4), Shops (Shopify, WooCommerce), and others• BI Tools: Tableau, Metabase, Power BI, Lightdash, Holistics, Google Looker Studio

Munich, Bavaria, De

• Creating and managing data pipelines from extract to reports• Building reports in Power BI• Reports for: tracking device activities, lost and found process, customer service agent evaluationtechnologies / tools:power bi, snowflake, microsoft sql server, olap cubes, microsoft forms, microsoft flow, salesforce, jenkins, selenium-side-runner, python, dbt

• Created full automated data warehouse (postgres, python, airflow, dbt, aws, ETL and ELT)• Set up data pipelines from raw data to Tableau• Tableau dashboards for Management and Operations• Helped increase lead onboarding conversion rates with data insights• Worked on first setup and the first version of website tracking with google tag manager & google analytics• Set up with developers, product team, operations and business development a reliable data structure in google sheets, close.io and mongodbtechnologies / tools:python, aws, s3, postgres, etl, elt, dwh, sql, dbt, tableau, git, nosql, mongodb, elasticsearch, airflow, api, salesforce, close.io, personio, postman, google sheets, google datastudio, zapier, google tag manager, google analytics

Berlin, Deutschland, De

• Writing SQL queries (MySQL / PostgreSQL)• Creating and managing views via Python (Django)• Working with Bash and Git• Integrating data from external sources• ETL development and optimization• Building reports for Sales, Marketing, Operations, HR, Finance• Created dashboards and reports in our data management software (Domo) and Excel

Berlin, De

• Writing queries with SQL using Oracle software• Editing and optimizing queries for archive processes• Daily and ad hoc reporting for Marketing, Sales and Product Owner

Berlin, De

• Supporting Product owner with tickets, process understanding and documentation• Mainly supporting the mobile application stories• Managing the sprint overview for all teams• Creating the release notes and sprint review presentations• Preparing, setting up and managing userbility testing• Setting up events, scenarios and participants for testing• CMS work

Berlin, De

• Learning daily work in the scrum framework• Managing tickets with Jira• Software and process documentation with Confluence