data engineer

• Own and evolve the company's data infrastructure: event tracking, ingestion pipelines, and analytics tooling
• Manage data collection pipelines via Snowplow, GTM (server-side and client-side), and Airflow-orchestrated workflows running on Cloud Composer
• Build and maintain BigQuery datasets: partitioning, clustering, cost optimization, scheduled queries, and access controls
• Write and maintain Python scripts for data ingestion, transformation, and reporting
• Manage Cloud Storage (GCS) for data staging, Snowplow enriched event storage, and pipeline artifacts
• Configure and maintain GCP IAM, service accounts, and access controls across services and external APIs
• Monitor and debug pipelines using Cloud Logging & Monitoring; set up alerting and ensure pipeline observability
• Work with relational and non-relational databases: schema design, query optimization, performance tuning
• Collaborate with frontend, QA, DevOps, and product teams
• Participate in code reviews and uphold code quality standards
• Contribute to technical improvements (testing, observability, performance, maintainability)
• Mentor mid-level engineers and contribute to architectural decisions

• Python - hands-on experience writing production scripts and data pipelines

• SQL - strong practical experience: queries, indexes, performance tuning, and analytical workloads

• Google Cloud Platform - working experience across GCP services including:

• BigQuery - partitioning, clustering, cost optimization, scheduled queries, access controls

• Cloud Composer - managed Airflow: DAG deployment, environment configuration, GCP Console monitoring

• Cloud Storage (GCS) - data staging, pipeline artifacts, enriched event storage

• IAM & service accounts - secure access management across GCP services and external APIs

• Cloud Logging & Monitoring - pipeline observability, alerting, and debugging

Apache Airflow / Cloud Composer - building and maintaining DAGs and data workflowsSnowplow - event tracking setup and data collection pipelinesGoogle Tag Manager - server-side and client-side configuration and managementAzure Databricks - data processing and analytics workloadsUnderstanding of clean code principles (maintainable, testable pipelines and scripts)Comfortable with Git and code review workflows

Nice-to-have skills

• C# and .NET Core - backend/API development experience is a plus
• REST APIs - design, implementation, authentication/authorization basics
• SQL Server / T-SQL - experience with Microsoft SQL Server environments
• MongoDB
• Elasticsearch
• RabbitMQ or similar queuing system
• Docker / containers
• GraphQL (building or consuming APIs)
• Background job processing (e.g. Hangfire)
• Observability tools (e.g. New Relic or similar)
• PowerShell scripting
• Agile tooling (e.g. Jira)
• AI-assisted development tools (Cursor, etc.)

• We prioritise office presence and emphasise in-person collaboration, but also offer appropriate adjustments where needed, in line with company policy
• Extra wellbeing days on top of your annual leave allowance
• Up to 3 paid volunteering days each year
• 24/7 confidential Employee Assistance Programme (wellbeing, mental health, legal & financial support)
• Learning & development support via the Frontiers Learning Hub
• Competitive local benefits country dependent (e.g. healthcare and pension/retirement provision)

At Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet. We are one of the world's largest and most influential open-access research publishers. Every article we publish is peer-reviewed and quality-certified, ensuring research is accessible to everyone, everywhere. To date, Frontiers research has been viewed over 4 billion times, demonstrating the real-world impact of science without barriers. Joining Frontiers means being part of a global, mission-driven organization at the intersection of science, technology, and innovation - working alongside passionate colleagues who care deeply about advancing knowledge for the benefit of society. To learn more about our impact and culture, please watch this video: https://www.youtube.com/watch?v=jLJ7ZO3wOW4