Data Engineer / Database Engineer

Safety Heads; Wrocław; On-site; PLN 90,000 - 120,000; Full time

Job summary

Safety Heads is building an internal data layer for a management dashboard, aggregating data from multiple systems. The role focuses on extracting and consolidating data from a locally hosted DMS, external systems, APIs and files to provide a unified reporting model for sales, used cars, service and parts.

The candidate will design and maintain the data layer, mapping identifiers across sources and ensuring data quality while enabling reliable analytics.

Qualifications

• Experience designing and implementing data integration layers.
• Ability to map identifiers across heterogeneous sources.
• Knowledge of data warehousing concepts and reporting models.

Responsibilities

• Design and maintain the data layer integrating multiple existing business systems.
• Analyse external database schemas and build reliable data extraction processes.
• Transform, normalize and connect data from databases, APIs and file-based sources.
• Design reporting models supporting management dashboards and operational analytics.
• Collaborate on data quality, integration reliability and technical architecture.

Skills

SQL

Relational databases

ETL / ELT

REST APIs

Data modeling

Data quality

Analytics

Tools

SQL Server

PostgreSQL

Job description

We are building an internal data layer for a management dashboard that aggregates operational data from multiple existing business systems.

The project involves extracting and consolidating data from a locally hosted DMS, external business systems, APIs and file-based sources. The data layer will provide a consistent reporting model for areas such as sales, used cars, service, body shop operations and parts.

The main challenge is integrating heterogeneous data sources, mapping identifiers and building a reliable reporting layer without replacing the existing systems.

• SQL
• Relational databases
• ETL / ELT
• REST APIs
• Reporting database / Data Warehouse
• Design and maintain the data layer integrating multiple existing business systems
• Analyse external database schemas and build reliable data extraction processes
• Transform, normalize and connect data from databases, APIs and file-based sources
• Design reporting models supporting management dashboards and operational analytics
• Work closely with the team on data quality, integration reliability and technical architecture
• Remote
• Start: ASAP
• Duration: long-term

About us

We are a software house specializing in mobile and backend systems, with strong experience in IoT and industrial platforms.

Our clients include companies from manufacturing, energy and e-commerce sectors.

We actively develop solutions around AI, automation and intelligent assistants, and run internal and client workshops on using AI in software development.

At SafetyHeads you can also work on internal tools, AI experiments and new ideas alongside client projects.

Why it’s worth joining us?

Fully remote work

Unique working atmosphere

Family-friendly community

Knowledge sharing with developers with extensive experience

In-house training programs (Angular, IOS, Android, CyberSecurity Leadership)

Recruitment process

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HR call

After we receive your CV you will have a short conversation with HR, during which we will initially tell you about SafetyHeads, the project and the role that interests you, and we will gladly hear about your expectations.

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