Data Engineer (m/f/d)
Summary
Backend/Data Engineer at Quantion (an Astek Group digital transformation services company) in Barcelona, building event-driven microservices, Kafka pipelines, and REST/WebSocket API integrations for airline operations. Core stack: Python 3.12+/FastAPI, PostgreSQL, Redis, Kafka, Docker and Azure (AKS, DevOps).
Who we are?
Quantion is a Business Digital Transformation services company founded in 2015 and part of the Astek Group group operating in more than 25 countries with over 10,000 employees worldwide.
Our team is specialized in application development, UX/UI, and digital business transformation, focused on building innovative solutions that drive measurable business results.
We combine our teams in cutting-edge technologies and digital deep experiences with the innovation ecosystem, to ensure that we can provide the best solution to face business challenges, from its concept to its implementation.
We are looking for Backend / Data Engineers to design, build, and maintain high-performance event-driven microservices, data processing pipelines, and API integrations for critical airline operations.
Key Responsibilities & Focus Areas:
- Event Processing & Messaging: Build and optimize high-throughput Kafka consumers and event-driven data flows.
- Core Logic Engine: Develop automated triage engines and intelligent deduplication logic to process incoming operational data.
- Integrations & APIs: Implement robust REST and WebSocket API layers, including integration with OIP (Operational Integration Platform) and Dataverse.
- System Design & Delivery: Maintain data models and migrations using modern, asynchronous Python tools and deploy on cloud infrastructure.
Core Skills:
- Languages & Frameworks: Python 3.12+, FastAPI, async programming.
- Data & Migrations: Alembic migrations, relational data modeling.
- Databases & Caching: PostgreSQL, Redis, Microsoft Dataverse.
- Event-Driven Architecture: Apache Kafka.
- APIs: RESTful APIs, WebSocket protocols.
- DevOps & Containers: Docker, uv, Azure Kubernetes Service (AKS), Azure DevOps.
Nice to Have:
- Experience with Amadeus / GDS integrations.
- Working knowledge of Azure Event Hubs and Azure Service Bus.
- Domain background in Airline Operations or IRREG (Irregular Operations) management.
Our offering:
You will grow professionally in a company in constant development and evolution.
You will benefit from a personalized follow-up of your professional projects as close as possible to your ambitions.
You will make a real contribution to the company's development in real time.
You will enjoy 23 days of vacation.
You will join our team: diverse, multicultural and constantly growing.
You will have days full of good energy and good atmosphere.