Lead Data Engineer — Build Scalable In-House Data Platform

Asta Agency; Stockholms kommun; On-site; SEK 600,000 - 900,000; Full time

Job summary

Sergel Group is seeking a Data Engineer to help design and scale data solutions across the Nordic market. You will own data modeling standards, build scalable ETL pipelines, and deliver trusted analytics through a strong data platform.

You will collaborate across teams, drive architectural decisions, and ensure compliance with governance and security practices while leveraging CI/CD to improve delivery and in-house capabilities.

Qualifications

• Solid experience as a Data Engineer.
• Strong proficiency in SQL and C# .NET/Python.
• Experience with ETL tools, data pipeline frameworks and orchestration tools.
• Understanding of CI/CD principles.
• Knowledge of data governance, GDPR compliance and security best practices.
• The ability to drive technical decisions and set standards.
• Fluency in English.
• Valid work permit.

Responsibilities

• Defining and enforcing data modeling standards, best practices and governance policies.
• Designing and maintaining scalable data pipelines and optimizing ETL processes.
• Building and maintaining applications and integrations for data ingestion, transformation and delivery.
• Driving the shift from external-dependent delivery toward strong in-house capability.
• Setting the technical direction and owning key architectural decisions.
• Ensuring that BI is an integral part of the data platform, enabling trusted reporting, analytics and data-driven decision-making.

Skills

SQL

C# .NET

Python

Data modeling

ETL

CI/CD

Data governance

GDPR

Security best practices

English

Work permit

Education

Bachelor's or Master's in Computer Science or related field

Tools

ETL tools

Data pipeline frameworks

Orchestration tools

Job description

Sergel Group is seeking a Data Engineer to help design and scale data solutions across the Nordic market. You will own data modeling standards, build scalable ETL pipelines, and deliver trusted analytics through a strong data platform.

You will collaborate across teams, drive architectural decisions, and ensure compliance with governance and security practices while leveraging CI/CD to improve delivery and in-house capabilities.