Diamond ID Data Engineer

Client

is developing a system of record for the diamond supply chain. A critical part of this is the diamond matching project.

We are seeking a Data Engineer to own and architect the end-to-end reporting lifecycle, that's still in an early MVP stage. You will inherit a replicated production environment and be responsible for transforming raw Python application data into a high-performance analytics layer. You will bridge the gap between backend data structures and business-ready visualizations.

190 zł - 200 zł an hour

Required experience

• Building and maintaining a robust, end-to-end data and analytics platform.
• Developing and optimizing data pipelines to move data from online environments to the data warehouse and reporting layers.
• Writing high-quality, production-ready code in SQL and Python, utilizing libraries such as pandas and SQLAlchemy.
• Troubleshooting and resolving issues related to cloud data configuration, synchronization, and data latency.
• Managing and processing diverse data types, including both structured and unstructured data, such as JSONB.
• Designing, deploying, and maintaining automated business intelligence dashboards and internal monitoring tools.

Required skills

• Advanced SQL knowledge (window functions, CTEs, optimization queries)
• Advanced knowledge of Data Build Tool (dbt) (or similar)
• Working knowledge of code versioning and peer code reviewing process.
• Working knowledge of deduplication and normalization strategies
• Working knowledge of Cloud infrastructure
• Working knowledge of Python coding principles and data libraries
• Knowledge of ORMs such as SQLAlchemy.

Extras points for

• Knowledge of ML tooling, such as MLFlow and Sagemaker.
• Experience with AWS.

Non Functional

• Able to work independently and own a specific work stream/critical roadmap component.
• Experience communicating complex software decisions to non-technical stakeholders.
• Experience working in a cross-functional research and engineering team is advantageous.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.