TL;DR

Data Platform Engineer (SaaS): Build and optimize large-scale data infrastructure and backend systems for a SaaS influencer marketing platform with an accent on database reliability, data architecture, and API development. Focus on designing scalable data storage, no-downtime migrations, and supporting AI workflows.

Location: Remote with tax residency in Portugal required

Company

Primetag is a fast-growing SaaS company specializing in influencer marketing analytics, providing data-driven solutions to global brands and agencies.

What you will do

  • Own and optimize MongoDB and OpenSearch clusters housing billions of documents, including sharding and indexing strategies.
  • Design and implement multi-tier storage strategies balancing hot production data and cold analytical storage.
  • Build and maintain internal APIs to abstract database complexities for internal teams.
  • Lead schema evolution and no-downtime migrations for large-scale data systems.
  • Develop and evolve core data architecture supporting analytics, product features, and AI workflows.
  • Ensure data quality, accuracy, and maintain comprehensive documentation.

Requirements

  • Tax residency in Portugal.
  • 5+ years experience in backend, data engineering, or data platform roles in high-volume environments.
  • Expertise in MongoDB and OpenSearch/Elasticsearch tuning at massive scale.
  • Strong Python skills with asynchronous programming experience (e.g., FastAPI).
  • Knowledge of distributed systems, message queues (Kafka/RabbitMQ), and caching strategies.
  • Familiarity with Data Lakehouse concepts and architectures.
  • Fluent English required.

Nice to have

  • Experience with Azure Cloud or equivalent.
  • Experience with orchestration tools like Airflow or Prefect.
  • Exposure to AI/ML workflows and data observability tools.
  • Interest or experience in influencer marketing or social media analytics.

Culture & Benefits

  • Fully remote work with flexible hours within European time zone core hours.
  • Comprehensive medical insurance coverage.
  • Opportunity to join annual nomad offices in various European locations.
  • Collaborative, multicultural, and innovation-driven environment.
  • Support for growth and learning with veteran engineers and domain experts.