Senior Data Analyst: Data Flows, API Sourcing & Governance

DCG Poland; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

DCG Poland is seeking a Data Analyst in Warsaw to support data analysis and system analysis across multiple projects. You will document data sourcing processes, APIs and data ownership, and map data flows for informed decision making.

The ideal candidate has 5+ years of experience, strong SQL skills, and experience with data warehouses, data lakes, and API integrations. Collaboration with cross-functional teams and fluent English are required.

Qualifications

• Minimum 5 years of experience in data analysis, technical analysis or system analysis.
• Strong experience with data structures, data flows, source systems and data dependencies.
• Good knowledge of SQL, relational databases and data platforms such as Data Warehouse, Data Mart or Data Lake.
• Experience with REST APIs, system integrations and API-based data sourcing.
• Good understanding of data ownership, data governance and data lineage.
• Ability to document current-state processes, business rules and technical dependencies.
• Understanding of RPA / robotic automation solutions used for data extraction.
• Strong stakeholder management and communication skills.
• Professional working proficiency in English.

Responsibilities

• Analyse the structure of prioritised data sets and individual data points.
• Document the current data sourcing process, including source systems, extraction methods and applied business rules.
• Analyse differences in data availability and processing across countries.
• Identify the actual owners of data and clarify data ownership responsibilities.
• Map existing data flows, dependencies and current-state processes.
• Evaluate potential future data sourcing options, including: API integrations, data marts/lakes, and RPA solutions.
• Identify dependencies for each sourcing option and input for high-level cost estimation.
• Coordinate analysis and input across multiple business and technology teams.
• Prepare clear documentation covering data structure, current state, ownership and recommended future sourcing options.

Skills

SQL

Relational Databases

Data Warehouse

Data Lake

REST APIs

Data Governance

Data Lineage

Documentation

RPA

Stakeholder Management

English

Postman

Swagger/OpenAPI

Pega

Tools

Postman

Swagger/OpenAPI

Pega

Job description

DCG Poland is seeking a Data Analyst in Warsaw to support data analysis and system analysis across multiple projects. You will document data sourcing processes, APIs and data ownership, and map data flows for informed decision making.

The ideal candidate has 5+ years of experience, strong SQL skills, and experience with data warehouses, data lakes, and API integrations. Collaboration with cross-functional teams and fluent English are required.