Senior Data Engineer

🚀 SENIOR DATA ENGINEER – FULLY REMOTE – 6–12 MONTH FREELANCE + POTENTIAL PERMANENT 🚀Rate: Up to 1,500 SEK/hour

Contract: 6–12 months (with possible extension or permanent option)

Location: Fully Remote (Sweden-based)

About the Company

Join a leading global technology and consulting firm delivering end-to-end digital solutions across industries. The organisation is known for leveraging cutting-edge technology, cloud platforms, and advanced analytics to drive business transformation. This is an opportunity to work on impactful projects, collaborating with skilled professionals in a dynamic, innovative environment.

About the Role

We are seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and analytics solutions. You will ensure high-quality, reliable data is available to support critical business decisions. This role is ideal for a senior engineer who thrives in a collaborative environment and is open to a longer-term engagement or permanent opportunity.

Responsibilities

• Design, develop, and maintain robust and scalable data pipelines across structured and unstructured sources.
• Collaborate with Data Scientists, Analysts, and Engineers to ensure high-quality, accessible, and reliable data.
• Optimise data storage, transformation, and retrieval processes for performance and cost-efficiency.
• Implement and maintain best practices in data governance, quality, and security.
• Identify opportunities to improve existing data architecture and workflows.
• Evaluate and adopt new tools and technologies to enhance capabilities.

Required Skills & Experience

• Proven experience as a Data Engineer in senior or lead roles.
• Strong expertise in ETL/ELT processes, data warehousing, and pipeline orchestration (e.g., Apache Airflow, dbt).
• Proficiency in SQL and one or more programming languages (Python, Java, Scala).
• Experience with cloud platforms (AWS, Azure, GCP) and cloud-native data services.
• Familiarity with big data technologies (Spark, Kafka, Hadoop) is a plus.
• Knowledge of data modelling, data governance, and data quality frameworks.
• Excellent problem-solving skills and ability to work independently in a remote environment.

Nice to Have

• Exposure to real-time streaming data solutions.
• Experience with machine learning pipelines or analytics platforms.
• Prior experience in freelance or consultancy roles.

Interested? Contact info@optimistech.co to learn more about this fantastic opportunity!