Senior Data Engineer

Flightradar24 is one of the most successful growth-stage tech companies in Stockholm. Each month more than 50 million aviation enthusiasts visit Flightradar24 (app/website) and our Commercial services team has many of the biggest names in aviation on its customer list. The position requires that you are able to work from our office in Stockholm, Sweden. Relocation is not offered for this role. What you’ll do Your responsibilities includeDesigning and improving data ingestion, streaming, and event processing (batch and real-time)Refactoring and enhancing existing services, pipelines, and infrastructureImplementing robust data collection, transformation, and storage solutionsOperating and improving cloud-based platforms (primarily AWS)Improving observability, reliability, and operational tooling for production systemsContributing to best practices around CI/CD, testing, code quality, and documentationCollaborating with software engineers, data engineers, and analysts to deliver reliable data products Current tech stackCloud & Data Platform: AWS (S3, Glue/Spark, Airflow/MWAA, Athena, MSK/Kafka, Lambda)Streaming & Messaging: Kafka (or similar), RabbitMQDatabases & Storage: SQL/NoSQL systems (e.g., MySQL/MariaDB/Postgres, Redis, DynamoDB, data lake/warehouse patterns)DevOps & Platform: Docker, Kubernetes/EKS, TerraformEngineering practices: Infrastructure as Code, CI/CD, linting, unit tests, integration tests About youExperience with data engineering architectures for ingestion and transformationSeveral years of hands-on experience building and operating production systemsExperience working with cloud-based platforms, preferably AWSSolid understanding of databases (warehouses, OLTP/OLAP concepts, query performance)Experience with event-driven or streaming architectures (Kafka or similar)Strong understanding of reliability, observability, and production operations We also see that you...Are self-driven and comfortable making technical decisions independentlyCan quickly understand and work within an existing codebase and architectureValue clean code, testing, automation, and pragmatic engineering practicesCommunicate clearly and professionally in English About Flightradar24With over 4 million daily users, Flightradar24 is the world’s most popular flight tracking service. Our app regularly tops the App Store and Google Play Travel charts. We also offer a wide range of commercial services and our customers include many of the biggest names in aviation.We're constantly adding new services and improving existing products. To help us meet those challenges, we're looking for creative, collaborative and tech-savvy applicants to join us. Benefits of working at Flightradar24 include:Opportunity to impact a service with millions of end users from all around the worldFlexible and social work environment with free beverages, fruit, and snacksModern office in the heart of beautiful downtown Stockholm, SwedenBeing part of a diverse team with +30 nationalities and 6 continents represented with English being our main language