Factor Eleven is seeking a Senior Data Engineer to join our mission to move digital localized advertisement forward. In this role, you will architect and scale our open lakehouse data platform, built on Snowflake and Apache Iceberg on AWS S3. You will own the end-to-end design and evolution of robust, scalable pipelines that power analytics, machine learning, and customer-facing features across our SaaS digital advertising products.
What You'll Do
- Design, build, and maintain scalable data pipelines, architectures, and platforms with a focus on reliability and efficiency.
- Implement ETL/ELT processes with rigorous quality checks and governance to ensure data accuracy and consistency.
- Mentor data engineers, share best practices, and foster a culture of learning and ownership.
- Partner with Engineering, Product, and Business teams to translate requirements into high-impact data solutions.
- Own project execution end-to-end—scoping, estimation, delivery, and communication.
- Champion testing, documentation, and observability through design reviews and technical leadership.
- Stay ahead of industry trends in cloud data, big data processing, and real-time analytics.
What We're Looking For
- 5+ years in data engineering, with hands-on production experience building open lakehouses using Snowflake + Apache Iceberg.
- Strong production track record with dbt – complex models, dependencies, incremental logic, custom tests, CI/CD.
- Advanced SQL + Python; you build idempotent, observable, schema-safe pipelines.
- Deep knowledge of data modelling trade-offs, distributed systems, and big data frameworks.
- Excellent communicator – you distil complex topics for technical and non-technical audiences with empathy.
- Proven collaborator with strong problem-solving, mentoring, and project management skills.
Nice to Have
- Experience working with the AWS Cloud Platform.
- DataOps / IaC (Terraform, dbt Cloud).
- Real-time streaming (Apache Kafka/Flink, AWS Kinesis).
- Built and maintained a production-grade open lakehouse from scratch (Iceberg + catalog + compute).
- Familiar with DataOps, IaC, or real-time streaming pipelines.
Technical Stack
- Snowflake, Apache Iceberg, AWS S3, Apache Polaris, AWS Glue, Apache Hive
- dbt Core, dbt Cloud, Terraform
- Apache Kafka, Apache Flink, AWS Kinesis
- SQL, Python
Team & Environment
You will collaborate with Product and Engineering teams.
Benefits & Compensation
- Transparent, above-market salaries.
- 100% remote within Europe.
- Flexible work-hours.
- Be part of a fast-growing, highly-skilled team.
- In person department and company events.
- Home office, co-working space and work-together allowance.
- Personal and professional development courses from Udemy.
Work Mode
This is a fully remote position for candidates based in Spain. Enjoy the freedom, camaraderie and perks of our fully remote operations.
