Data Engineer (m/f/d)

Quantion; Barcelona; Presencial; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

Quantion is seeking Backend / Data Engineers to design, build, and maintain high-performance event-driven microservices for critical airline operations.

You will work on data processing pipelines, API integrations and core logic using Python, FastAPI, and async tools, with cloud deployments on AKS and Azure DevOps.

Formación

• Proficient in Python 3.12+ and FastAPI, with async programming experience.
• Alembic migrations and relational data modeling are required.
• Strong knowledge of PostgreSQL, Redis and Microsoft Dataverse.
• Experience with event-driven architectures using Apache Kafka.

Responsabilidades

• Design, build and maintain high-performance event-driven microservices.
• Develop data processing pipelines and API integrations for airline operations.
• Implement robust REST and WebSocket layers and maintain data models.
• Collaborate on cloud deployment using AKS, containers and DevOps practices.

Conocimientos

Python

FastAPI

Async programming

Alembic migrations

Relational modeling

PostgreSQL

Redis

Dataverse

Apache Kafka

REST APIs

WebSocket

Docker

AKS

Azure DevOps

Herramientas

Azure Kubernetes Service

Azure DevOps

Docker

uvicorn

Descripción del empleo

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.