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# Senior Backend Engineer (Python / Fastapi) - Roche

- **Company:** Jobrapido
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Automation of Tests, Cloud Computing, Cloud Engineering, Software Quality, Databases, Continuous Integration, Python (Programming Language), PostgreSQL, Software Engineering, SQLAlchemy, Data Processing, Infrastructure as Code (IaC), Backend, Fastapi, Pytest, AWS Fargate, Front End Software Development, Api Design, Restful APIs
- **Published:** September 26, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-python-fastapi-roche-en-barcelona-ID-372962754

## About the Role

This is a collaborative, impact-driven opportunity within a mission to accelerate diagnostics and personalized healthcare.ResponsabilidadesDesign, build, and maintain high-performance asynchronous backend services and robust RESTful APIsArchitect, deploy, and manage scalable secure cloud infrastructure using Infrastructure as Code (IaC)Design efficient database schemas, manage data relationships, perform migrations, and optimize massive query performanceBuild and maintain data pipelines to ingest and process large volumes of structured and unstructured scientific dataChampion engineering excellence through clean code, automated testing, and reliable CI/CD pipelinesCollaborate with UX/Frontend and Data Scientists to integrate APIs and productionize ML modelsRequisitos principales5+ years of software engineering experience with PythonStrong API design and RESTful systems experienceRelational database familiarity, data modeling, xqysrnh migrations, query optimizationExperience building and
managing scalable cloud infrastructure with IaCFocus on code quality, automated testing, and CI/CDAbility to work end-to-end in ambiguous environmentsHands-on with FastAPI, PostgreSQL, SQLAlchemy, Alembic, AWS (S3, Aurora, Fargate, Lambda, CDK), pytest, NumPyproactivecollaborativeanalytical mindsetPythonRESTful APIsCloud infrastructure

## Description

OverviewObtenga más información sobre las tareas generales relacionadas con esta oportunidad a continuación, así como sobre las habilidades requeridas.In this Backend Python Engineer role, you will build robust, scalable APIs and services powering Roche Diagnostics Solutions' digital products.You'll work closely with frontend and data science teams to design backend infrastructure for complex bioinformatics and ML data, and you'll scale cloud-native solutions on AWS.Your contributions will improve data processing, storage, and production readiness across large biomedical datasets.This is a collaborative, impact-driven opportunity within a mission to accelerate diagnostics and personalized healthcare.ResponsabilidadesDesign, build, and maintain high-performance asynchronous backend services and robust RESTful APIsArchitect, deploy, and manage scalable secure cloud infrastructure using Infrastructure as Code (IaC)Design efficient database schemas, manage data relationships, perform migrations, and optimize massive query performanceBuild and maintain data pipelines to ingest and process large volumes of structured and unstructured scientific dataChampion engineering excellence through clean code, automated testing, and reliable CI/CD pipelinesCollaborate with UX/Frontend and Data Scientists to integrate APIs and productionize ML modelsRequisitos principales5+ years of software engineering experience with PythonStrong API design and RESTful systems experienceRelational database familiarity, data modeling, xqysrnh migrations, query optimizationExperience building and managing scalable cloud infrastructure with IaCFocus on code quality, automated testing, and CI/CDAbility to work end-to-end in ambiguous environmentsHands-on with FastAPI, PostgreSQL, SQLAlchemy, Alembic, AWS (S3, Aurora, Fargate, Lambda, CDK), pytest, NumPyproactivecollaborativeanalytical mindsetPythonRESTful APIsCloud infrastructure


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