Senior Backend Engineer (Python / Data) | Spain, Remote | Up to €65,000Build data and ML powered backend systems for a major general airline. Flexible remote across Spain.Por favor, lea detenidamente la siguiente descripción del puesto para asegurarse de que encaja con el perfil antes de enviar su solicitud.I'm hiring a Senior Backend Engineer to design, build and maintain scalable, secure server side systems for a major global airline, working through a fast growing technology consultancy in triple digit growth.A strong focus on separation of concerns, security and performance is central to the role.ResponsibilitiesIntegrate AI and ML models into backend systems and expose them through clean, performant endpoints.Build robust microservices and APIs using REST, gRPC or GraphQL.Optimise database queries and schemas for performance and reliability.Write unit and integration tests and maintain clear technical documentation.Monitor and optimise performance using observability tooling.Qualifications and Experience8+ years in backend development, with a strong focus on scalable,



high performance systems.Python expertise;

building backend services and APIs with FastAPI, Flask or similar.In depth SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) knowledge.Extensive AWS experience, including database hosting, API management and serverless.Docker and container orchestration such as ECS.Git, GitHub Actions and CI/CD pipelines, plus performance tuning and scalability techniques.Message brokers such as Kafka or AWS SQS.Infrastructure as code with Terraform or CloudFormation.Observability tooling such as CloudWatch or Datadog.Serverless and event driven paradigms, e.G., AWS Lambda.Agile and Scrum ways of working.AWS certifications.Right to work in Spain as a full‑time employee;

no sponsorship available.Able to travel to the client's London office once a month for two to three days.BenefitsModern data and ML focused stack with genuine ownership opportunities inside a consultancy with rapid growth.#J-18808-Ljbffr

📌 Python Developers (Ceuta) - Up To €65.000 A Year - Remote
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