Principal Python Engineer – Greenfield PlatformOwn the whole productBuild from scratch on a greenfield fintech platformModern, AWS-first backend environmentThisPrincipal Python Engineerrole is with a fast-growing company in thetrading and financial services sector. They're launching a brand-new platform, giving you real ownership over architecture, tooling, and backend direction from day one.The main focus of this hire is building and scaling thecore backend systemsthat power the platform. You'll work onPython-based services, API-driven architectures, and data-intensive workflows in a cloud-native AWS environment as the business continues to grow.This role is ideal for engineers with experience inscalable backend systemsand production-grade AWS environments who enjoy solving complex problems and taking ownership of critical platforms.You will:Work on scalable backend services and APIsHelp shape architecture on a greenfield platformCollaborate closely with senior engineers and stakeholdersYou have:8+ years of software engineering experienceStrong Python backend expertiseHands-on experience with AWS and scalable systemsSalary / RemunerationUp to€110,000+ 12% bonus, 15% non-contributory pension and health insurance.For more information, contactOlga Torresconfidentially on or send your CV to.