Senior Platform Engineer

Flightradar24; Stockholms kommun; On-site; SEK 764,442 - 982,854; Full time

Benefits offered by this job

Free beverages, fruit, and snacks

Flexible work environment

Modern office in downtown Stockholm

Job summary

Flightradar24 is seeking a Senior Platform Engineer to enhance our data platform, focusing on backend services for high-volume processing and APIs. The ideal candidate will have extensive experience with C++, Python, and AWS, and be familiar with data engineering architectures. This role offers the chance to impact services used by millions globally, alongside a dynamic team in Stockholm. The position includes flexible working conditions and a vibrant office environment.

Qualifications

• Several years of hands-on experience in building and operating production systems.
• Strong experience with software development in C++, Python, or similar.
• Experience with data engineering architectures for ingestion and transformation.

Responsibilities

• Build and maintain backend services for high-volume data processing and APIs.
• Design and improve data ingestion, streaming, and event processing.
• Collaborate with engineers to deliver reliable data products.

Skills

C++

Python

Data Engineering

AWS

Kafka

Docker

Kubernetes

Tools

Terraform

Airflow

SQL/NoSQL

Job description

We are looking for a Senior Platform Engineer with Data Engineering skills, 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.

What you’ll do

• Building and maintaining backend services for high-volume data processing and APIs
• 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

• Backend services: C++ and Python
• Cloud & Data Platform: AWS (S3, Glue/Spark, Airflow/MWAA, Athena, MSK/Kafka, Lambda)
• Streaming & Messaging: Kafka (or similar), RabbitMQ
• Databases & Storage: SQL/NoSQL systems (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

• Has several years of hands‑on experience building and operating production systems
• Strong experience with software development in C++, Python, Go, Rust, or similar
• Strong experience designing and operating production backend systems
• Experience with data engineering architectures for ingestion and transformation
• 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

Benefits

• Opportunity to impact a service with millions of end users from all around the world
• Flexible and social work environment with free beverages, fruit, and snacks
• Modern office in the heart of beautiful downtown Stockholm, Sweden
• Being part of a diverse team with more than 30 nationalities and 6 continents represented, with English being the main language