Senior Software Engineer – Python | AWS | Greenfield PlatformBuild from scratch on a greenfield projectHigh-growth fintech with real ownership and influenceModern, AWS-first cloud environmentThis Senior Software Engineer opportunity is with a well-established, fast-growing company in the trading and financial services space. The business is launching a brand-new platform, creating a rare chance to join at an early stage and play a key role in shaping the technical direction from day one.You'll collaborate closely with senior stakeholders and engineers to design and build core financial systems that underpin the platform. Working in a cloud-first AWS environment, you'll gain exposure to modern architectures, scalable backend services, and API-driven systems within a dynamic fintech setting.They're seeking a hands-on Senior Engineer who enjoys tackling complex technical challenges, contributes ideas with confidence, and wants true technical ownership. As the platform scales, there is a clear progression path into a future Team Lead role.Key ResponsibilitiesDesign and develop backend services and APIs using Python + AirflowBuild, deploy, and scale cloud-native systems on AWSInfluence architecture and technical decisions on a greenfield platformContribute to CI/CD pipelines and engineering best practicesRequirements8+ years' experience as a Software Engineer at senior levelStrong, hands-on Python experienceProven experience working with AWS in productionSalary & BenefitsUp to €110,000 base salary + Bonus, pension, and health insuranceFor more information, contactOlga Torresconfidentially on or send your CV to.