Senior Backend Engineer (Python / Data)Siga leyendo para descubrir lo que necesitará para tener éxito en este puesto, incluyendo habilidades, cualificaciones y experiencia.| Spain, Remote | Up to €65,000Build data and ML powered backend systems for a major global airline. Versátil remote across Spain with ability to travel to the client's London office once a month for two to three days.ResponsibilitiesDesign, build, and maintain scalable, secure server‑side systems for a major global airline.Build microservices and APIs using FastAPI, Flask, or similar, and expose them through clean, performant endpoints.Host and serve AI and ML models in production, integrating them into backend systems.Develop microservices using REST, gRPC, or GraphQL.Optimize database queries and schemas for performance and reliability.Write unit and integration tests and maintain clear technical documentation.Monitor and optimize performance using observability tooling.Qualifications8+ years in backend development with a strong focus on scalable,



high‑performance systems.Proficiency in Python and experience building backend services and APIs with FastAPI, Flask, or similar.In‑depth knowledge of SQL (PostgreSQL, MySQL) and NoSQL (MongoDB).Extensive AWS experience, including database hosting, API management, and serverless architectures.Experience with Docker and container orchestration such as ECS.Strong familiarity with Git, GitHub Actions, CI/CD pipelines, and performance tuning and scalability techniques.Right to work in Spain as a full‑time employee;

no sponsorship available.Experience with message brokers such as Kafka or AWS SQS.Infrastructure as code with Terraform or CloudFormation.Observability tooling such as CloudWatch or Datadog.Knowledge of serverless and event‑driven paradigms, e.G., AWS Lambda.Experience working in Agile and Scrum environments. xhfqzwm AWS certifications are a plus.#J-18808-Ljbffr

📌 Python Engineer (Huelva) - Up To €65.000 A Year - Remote
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📍 Huelva