Python Developer

Senior Backend Engineer (Python / Data) | Spain, Remote | Up to €65,000Build data and ML powered backend systems for a major global airlineKEY POINTSFlexible remote across SpainBuild backend services and ML model serving for a major global airlinePython and FastAPI, microservices, AWS, strong data focusAble to travel to the client's London office once a month for two to three daysSalary up to €65,000 gross, with flexibility for strong candidatesABOUT THE ROLEI'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.This is a data and ML leaning backend role.Alongside building robust microservices and APIs, you will host and serve AI and ML models in production, integrate them into backend systems, and expose them through clean, performant endpoints.A strong focus on separation of concerns, security and performance is central to the role.WHAT YOU WILL BE DOINGHosting, serving and scaling AI and ML models in production (MLOps)Integrating models into backend systems and building API endpoints for model interactionDeveloping scalable microservices using REST, gRPC or GraphQLOptimising database queries and schemas for performance and reliabilityImplementing authentication and authorisation using industry standard practicesTroubleshooting production issues to keep services highly availableWriting unit and integration tests and maintaining clear technical documentationMonitoring and optimising performance using observability toolingESSENTIAL EXPERIENCE8 plus years in backend development, with a strong focus on scalable, high performance systemsPython expertise, building backend services and APIs with FastAPI, Flask or similarSolid grounding in microservices, event driven systems and service oriented designIn depth SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) knowledgeExtensive AWS experience, including database hosting, API management and serverlessDocker and container orchestration such as ECSAPI security, including JWT, OAuth2, OpenID Connect and Entra IDGit, GitHub Actions and CI/CD pipelines, plus performance tuning and scalability techniquesRight to work in Spain as a full time employee, no sponsorship availableNICE TO HAVEMessage brokers such as Kafka or AWS SQSInfrastructure as code with Terraform or CloudFormationObservability tooling such as CloudWatch or DatadogServerless and event driven paradigms, for example AWS LambdaAgile and Scrum ways of workingAWS certificationsWHAT'S ON OFFERSalary up to €65,000 gross per year, with flexibility for strong candidatesThe chance to build for a major global airline inside a consultancy in triple digit growtFlexible remote across SpainA modern data and ML focused stack with genuine ownershipTO APPLYPlease apply via this advert or email directly.For further information, call or .By applying, you consent to us processing and submitting your application, subject to suitability, for this vacancy only.

8 plus 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 Solid grounding in microservices, event driven systems and service oriented design 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 API security, including JWT, OAuth2, OpenID Connect and Entra ID Git, GitHub Actions and CI/CD pipelines, plus performance tuning and scalability techniques Right to work in Spain as a full time employee, no sponsorship available NICE TO HAVE 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, for example AWS Lambda Agile and Scrum ways of working AWS certifications

Salary up to €65,000 gross per year, with flexibility for strong candidates The chance to build for a major global airline inside a consultancy in triple digit growt Flexible remote across Spain A modern data and ML focused stack with genuine ownership