Senior Data Engineer

Flightradar24 is one of the most successful growth-stage tech companies in Stockholm. Each day more than 5 million aviation enthusiasts visit Flightradar24 (app/website) and our Commercial services team has many of the biggest names in aviation on its customer list.

About the role

We are looking for a Senior Data Engineer, who can quickly understand existing systems, work independently, and deliver value from day one. You will play a key role in evolving and improving our data platform, working closely with other engineers and stakeholders. You will be part of a data engineering team responsible for designing, building, and operating scalable data solutions in AWS. The work includes both hands-on development and architectural decision-making.

The position requires that you are able to work in Stockholm, Sweden.

Your responsibilities include

• Designing and improving data ingestion, streaming, and event processing (batch
• and real-time)
• Refactoring and enhancing existing services, pipelines, and infrastructure
• Implementing robust data collection, transformation, and storage solutions
• Operating and improving cloud-based platforms (primarily AWS)
• Improving observability, reliability, and operational tooling for production systems
• Contributing to best practices around CI/CD, testing, code quality, and documentation
• Collaborating with software engineers, data engineers, and analysts to deliver reliable data products

Current tech stack

• Cloud & Data Platform: AWS (S3, Glue/Spark, Airflow/MWAA, Athena, MSK/Kafka, Lambda)
• Streaming & Messaging: Kafka (or similar), RabbitMQ
• Databases & Storage: SQL/NoSQL systems (e.g., MySQL/MariaDB/Postgres, Redis, DynamoDB, data lake/warehouse patterns)
• DevOps & Platform: Docker, Kubernetes/EKS, Terraform
• Engineering practices: Infrastructure as Code, CI/CD, linting, unit tests, integration tests

About you

• Experience with data engineering architectures for ingestion and transformation
• Several years of hands-on experience building and operating production systems
• Experience working with cloud-based platforms, preferably AWS
• Solid 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 independently
• Can quickly understand and work within an existing codebase and architecture
• Value clean code, testing, automation, and pragmatic engineering practices
• Communicate clearly and professionally in English

Bonus points

• Experience with Machine Learning concepts and data platforms supporting ML workloads
• Experience working with high-volume real-time telemetry or tracking data
• Domain knowledge in aviation data standards (e.g., ADS-B) or similar

More about Flightradar24

Flightradar24 is the leading flight tracking and aviation data provider, leveraging the world’s largest ADS-B network. Our B2C platform serves millions, while our B2B solutions empower airlines, airports, and aviation stakeholders with essential operational insights.

Benefits of working at Flightradar24 include:

• Opportunity to impact a service with millions of end users from all around the world
• Contribute to the value which Flightradar24 creates both for B2C and B2B but also for humanity.
• Modern office in the heart of beautiful downtown Stockholm, Sweden
• Being part of a diverse team
• Flexible and social work environment with free beverages, fruit, and snacks

Flightradar24 is working together with Safemind as the exclusive recruitment partner for this position