Software Engineer

Flightradar24; Stockholms kommun; On-site; SEK 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Opportunity to impact millions

B2B/B2C value contribution

Modern office in Stockholm

Diverse team

Flexible work environment

Job summary

Flightradar24 in Stockholm is seeking a Senior Backend Software Engineer to quickly understand existing systems and deliver value from day one. You will evolve backend services, design data pipelines, and play a key role in architectural decisions.

The role requires working in Stockholm, Sweden, and relocation is not offered. You will build high-volume real-time telemetry and data processing systems, improve data ingestion and storage, and contribute to CI/CD and reliability.

Qualifications

• 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 data stores and event-driven/streaming architectures.

Responsibilities

• Build backend services for high-volume real-time aircraft telemetry.
• Design and improve data ingestion, streaming, and event processing (batch and real-time).
• Refactor and enhance existing services, pipelines, and infrastructure.
• Implement robust data collection, transformation, and storage solutions.
• Operate and improve cloud-based platforms (primarily AWS).
• Improve observability, reliability, and operational tooling for production systems.
• Contribute to CI/CD, testing, code quality, and documentation practices.
• Collaborate with software engineers, data engineers, and analysts to deliver reliable data products.

Skills

C++

Python

Go

Rust

Job description

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.

We are looking for a Senior Backend Software 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 backend services, working closely with other engineers and stakeholders. The work includes both hands‑on development and architectural decision‑making

.
The position requires that you are able to work in Stockholm, Sweden. Relocation is not offered for this rol

e.
What you’ll

do
Your responsibilities inc

• ludeBuilding backend services for high-volume real-time aircraft telem
• etryDesigning and improving data ingestion, streaming, and event processing (batch and real-t
• ime)Refactoring and enhancing existing services, pipelines, and infrastruc
• tureImplementing robust data collection, transformation, and storage solut
• ionsOperating and improving cloud-based platforms (primarily
• AWS)Improving observability, reliability, and operational tooling for production sys
• temsContributing to best practices around CI/CD, testing, code quality, and documenta
• tionCollaborating with software engineers, data engineers, and analysts to deliver reliable data prod

ucts

Current tech

• stackBackend services: C++ and P
• ythonCloud & Data Platform: AWS (S3, Glue/Spark, Airflow/MWAA, Athena, MSK/Kafka, La
• mbda)Streaming & Messaging: Kafka, Rab
• aformEngineering practices: Infrastructure as Code, CI/CD, linting, unit tests, integration

tests

Required technical comp

• etenceStrong experience with software development in C++, Python, Go, Rust, (or si
• milar)Strong experience designing and operating production backend s
• ystemsExperience with data engineering architectures for ingestion and transfor
• mationExperience working with cloud-based platforms, preferab
• ly AWSSolid understanding of dat
• abasesExperience with event-driven or streaming architectures (Kafka or si
• milar)Strong understanding of reliability, observability, and production oper

ations

Who

• you areHas several years of hands‑on experience building and operating production
• systemsIs self‑driven and comfortable making technical decisions indepe
• ndentlyCan quickly understand and work within an existing codebase and archi
• tectureValues clean code, testing, automation, and pragmatic engineering pr
• acticesCommunicates clearly and professionally in
• s pointsExperience with Machine Learning concepts and data platforms supporting ML w
• orkloadsExperience working with high‑volume real‑time telemetry or track
• ing dataDomain knowledge in aviation data standards (e.g., ADS‑B) or

similar

About Flig

htradar24Flightradar24 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.
All this is made possible thanks to our globally distributed network of 55,000+ radio receivers that feed real‑time aircraft data into the Flightradar24 platform. Over a billion database entries are added each month and we are processing several years of historical data totalling many terabytes. Our proprietary flight tracking data is industry leading and even investigative government agencies from around the world rely on it for aviation accident inves

tigations.

Benefits of working at Flightradar

• 24 include:Opportunity to impact a service with millions of end users from all aroun
• d the worldContribute to the value which Flightradar24 creates both for B2C and B2B but also fo
• r humanity.Modern office in the heart of beautiful downtown Stockh
• olm, SwedenBeing part of a d
• iverse teamFlexible and social work environment with free beverages, fruit,