ph3Senior Backend Engineer (Python / Data) /h3pbLocation: /b Spain, Remote (flexible across Spain) /ppbCompensation: /b Up to €65,000 per year /ppBuild data and ML powered backend systems for a major global airline. Design, build and maintain scalable, secure server‑side systems, focusing on microservices, APIs and deploying AI/ML models in production. /ph3Responsibilities /h3ulliDesign and implement scalable backend services and APIs using Python, FastAPI, or Flask. /liliIntegrate AI and ML models into backend systems and expose them through clean, performant endpoints using REST, gRPC, or GraphQL. /liliOptimize database queries and schemas (PostgreSQL, MySQL, MongoDB) for performance and reliability. /liliWrite unit and integration tests and maintain clear technical documentation. /liliMonitor and optimize system performance using observability tooling (CloudWatch, Datadog). /liliManage infrastructure with AWS (including database hosting, API management, serverless), Docker, ECS, and IaC tools such as Terraform or CloudFormation. /liliWork with message brokers (Kafka, AWS SQS) and serverless/event‑driven paradigms (AWS Lambda). /liliParticipate in Agile and Scrum ways of working. /liliTravel to the client's London office once a month for two to three days. /li /ulh3Qualifications /h3ulli8+ years of backend development experience, with a strong focus on scalable, high‑performance systems. /liliExpertise in Python and building backend services and APIs with FastAPI, Flask or similar. /liliIn‑depth knowledge of SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. /liliExtensive AWS experience, including database hosting, API management, and serverless. /liliExperience with Docker and container orchestration (ECS). /liliProficiency with Git, GitHub Actions, CI/CD pipelines, performance tuning, and scalability techniques. /liliExperience with observability tooling (CloudWatch, Datadog). /liliExperience with infrastructure as code (Terraform, CloudFormation). /liliExperience with message brokers (Kafka, AWS SQS). /liliExperience with serverless and event‑driven paradigms (AWS Lambda). /liliAgile and Scrum experience. /liliAWS certifications are a plus. /liliRight to work in Spain as a full‑time employee; no sponsorship available. /li /ulh3Benefits /h3ulliFlexible remote work across Spain. /liliModern data and ML‑focused stack with genuine ownership. /liliOpportunity to work within a rapid growth consultancy. /li /ul /p #J-18808-Ljbffr
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