Senior Software Engineer – Python | AWS | Greenfield ProjectGreenfield project – build from scratchHigh-growth fintech – real ownership and influenceModern cloud platform – AWS-first environmentThis Senior Software Engineer role is with a well-established, high-growth company operating in the trading and financial services sector. The business is launching a brand-new greenfield platform, offering a rare opportunity to join at an early stage and help shape the technical direction from day one.You'll work closely with senior stakeholders and the engineering team to design and build core financial systems that sit at the heart of the platform. The environment is fully cloud-first on AWS, giving you exposure to modern architectures, scalable backend services, and API-driven systems within a fast-paced fintech setting.They're looking for a hands-on Senior Engineer who enjoys solving complex problems, contributes ideas confidently, and wants real technical ownership. As the platform and team grow, this role offers a clear pathway into a future Team Lead position.You will:Design and build backend services and APIs using PythonDevelop, deploy, and scale cloud-native systems in an AWS environmentWork on a greenfield platform with genuine influence over technical decisionsContribute to CI/CD pipelines, system architecture, and best engineering practicesYou have:8+ years' experience as a Senior Software EngineerStrong hands-on experience with PythonSolid experience working with AWS in production environmentsSalary / RemunerationUp to€110,000 base salary+ bonus, pension, and health insuranceFor more information, contactOlga Torresconfidentially on or email your CV to.