Data Integration Engineer (Python, SQL, Mage.ai)

The role is for a Data Integration Engineer joining the client team - actuals Financial infrastructure for high volume digital companies. The candidate will take ownership of client integration pipelines from day one, working on designing and building data pipelines connecting client systems such as orders, payments, and ERPs. The position is within the financial data integration domain.

• 3+ years of experience in technical, data-integration, or pipeline-engineering roles.
• Strong proficiency in Python and SQL.
• Hands-on experience or strong aptitude for orchestration and pipeline tools like Mage.io, Apache Airflow, and dbt.
• Ability to solve complex, ambiguous integration challenges pragmatically.
• Strong detail orientation focused on data accuracy and financial correctness.
• Comfort working directly with technical client stakeholders in a fast-paced environment.
• Professional fluency in English (written and spoken).

Nice to have:

• Experience integrating with PSPs (Payment Service Providers), ERPs, or core accounting systems.
• Domain background in accounting, FinOps, or financial data processing.
• Experience with cloud data warehouses such as Snowflake, BigQuery, or Redshift.

Pipeline & Integration Engineering (Primary Focus):

• Design, build, and maintain data ingestion pipelines using self-hosted Mage.io, Airflow, and dbt.
• Map fields from client systems into a unified data model using SQL, collaborating with Business Consultants.
• Validate large datasets for correctness, completeness, and consistency before and after pipeline runs.
• Troubleshoot pipeline failures and edge cases.
• Document pipeline logic and mapping decisions for handover and reuse.

Client-Facing Technical Delivery:

• Translate ambiguous client requirements into robust pipeline designs.
• Guide clients through technical onboarding, from system discovery to final data delivery.

Product Feedback Loop:

• Identify recurring integration patterns and gaps.
• Collaborate with the Product team to develop scalable, reusable pipeline connectors.

Please be informed that the data controller is Xelerit Sp. z o.o. You have rights regarding your personal data, including access, rectification, erasure, and objection. Personal data will be processed for recruitment purposes. Providing mandatory data is required by law; refusal may prevent recruitment. Data is processed until recruitment is completed or claims periods expire. Consent to data processing can be withdrawn anytime. Data recipients include Just Join IT service and entities processing data for recruitment.