About The RoleWhat if your Python skills could directly shape how the next generation of AI systems thinks, reasons, and writes code? We're looking for advanced Python engineers to work on real-world engineering and data challenges — reviewing, building, and improving the software that powers cutting-edge AI applications.Software Engineer – Python (Advanced)About The RoleWhat if your Python skills could directly shape how the next generation of AI systems thinks, reasons, and writes code? We're looking for advanced Python engineers to work on real-world engineering and data challenges — reviewing, building, and improving the software that powers cutting-edge AI applications.This is a fully remote, flexible contract role built for experienced engineers who love solving hard problems. If you thrive on clean architecture, data-driven thinking, and translating ambiguous requirements into elegant solutions, this is for you.Organization: AlignerrType: Hourly ContractLocation: RemoteCommitment: 10–40 hours/weekWhat You'll DoDesign, implement, and optimize advanced Python code for production-level systemsAnalyze and manipulate structured datasets to support engineering and modeling workflowsWrite and optimize SQL queries to extract, transform, and validate dataReview, debug, and improve existing codebases for performance, reliability, and maintainabilityTranslate ambiguous or high-level requirements into concrete,



well-reasoned technical solutionsApply consulting-style thinking to evaluate tradeoffs and recommend best-fit approachesDocument assumptions, decisions, and implementation details with clarity and precisionEvaluate AI-generated code and analytical outputs for correctness and qualityWho You AreMust-Have4+ years of professional software engineering experienceAdvanced proficiency in Python — clean architecture, performance optimization, and debuggingStrong hands-on experience with real-world data analysis and structured datasetsSolid SQL skills, including complex queries, transformations, and data validationPrior consulting or client-facing experience, with the ability to navigate open-ended, ambiguous problemsNice to HaveExperience working with large, messy, or unstructured datasetsFamiliarity with backend systems, REST APIs, or data pipelinesComfort evaluating or auditing AI-generated code and reasoningStrong written communication skills and sharp attention to detailWhy Join UsWork on cutting-edge AI projects alongside leading research labsFully remote and versátil — work when and where it suits youFreelance autonomy with the structure of meaningful, task-based engineering workMake a direct, tangible impact on how AI understands and produces code at scalePotential for ongoing work and contract extension as new projects launch#J-18808-Ljbffr

📌 Software Engineer - Python (Advanced) (Madrid)
🏢 Alignerr
📍 Madrid