Gramian Consulting Group

Data Integration Engineer (Databricks / Python / SQL)

Poland
Level
Mid
Work type
Remote · Poland only

Not stated in the posting: salary, visa.

Open. First seen 30 October 2026.

About the role

Gramian Consulting Group's standard text

About Gramian

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

About the Role

Our client is a Big4 Consultancy group that works with leading financial institutions on AI-driven transformation, automation, advanced analytics, and financial crime prevention. Their are building a production-grade AI-assisted KYC / Customer Due Diligence platform for an international insurance environment.

We are looking for an experienced Data / Integration Engineer to own the data flowing into and out of the platform. The role focuses on Databricks, Python / PySpark, SQL, data modelling, data contracts, APIs, legacy-system integration, and data quality, replacing mocked sources with reliable production integrations.

CONTRACT: B2B or B2C contract

COMMITMENT: Full-time, 3-4 months contract with possibility of extension or getting on new projects

LOCATIONS: Remote, EU-based candidates

START: ASAP

PROCESS: Initial qualification followed by client interviews

Responsibilities

  • Inventory and map all internal and external data sources.
  • Define data contracts and canonical data structures for client, screening, evidence, audit, and reporting data.
  • Build connectors to external screening providers, public registers, and local data sources.
  • Connect Databricks with SQL Server, legacy databases, and core enterprise systems.
  • Support API, database-link, batch, file, and SFTP-based integrations.
  • Design and maintain data models supporting evidence, audit trails, and reporting.
  • Implement data quality checks, contract tests, and retention rules.
  • Validate incoming and outgoing data flows across production services.
  • Support integration troubleshooting and production-readiness activities.
  • Contribute to a business-critical platform where data accuracy and reliability are essential.

Requirements

  • Strong hands-on experience with Databricks, including Delta Lake and Unity Catalog.
  • Strong experience with Python / PySpark.
  • Advanced SQL skills.
  • Experience integrating with SQL Server and legacy databases.
  • Strong experience with REST APIs, DB links, batch processing, files, and SFTP integrations.
  • Experience with data modelling and data-contract design.
  • Experience implementing data-quality validation and integration testing.
  • Fluent English and ability to work remotely within the EU.

What this role asks for

Standard for data engineering roles

Python · SQL · Spark

Common in data engineering postings at any company.

87% of this description is written for the role. The rest is Gramian Consulting Group's standard text, folded away below.

Compared with Gramian Consulting Group's other open jobs.

The team: Talent Solutions HIRES STEADILY

This role is one of 95 open in Talent Solutions. 81 were posted in the last 30 days and the oldest in August: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (25 of 95), C++ (15 of 95), JavaScript (11 of 95), Linux (9 of 95), Machine Learning (9 of 95), C (8 of 95), C# (8 of 95)

OTHER ROLES ON THIS TEAM

From the team and dates on Gramian Consulting Group's own job board.

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