Senior Fullstack Engineer (Python + JS)

Hi there :) Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master! ABOUT US South Geeks connects elite, AI-fluent engineers from Latin America with future-shaping companies in Health and Wealth. We're hiring an AI Solutions & Enablement Engineer to join one of our clients, a biotechnology company advancing immune-driven medicine through precision diagnostics and research. ABOUT THE CLIENT Our client builds a B2B digital wealth management platform designed to improve financial literacy, expand financial inclusion, and make financial services more human-centered. Their solution helps organizations deliver interactive, data-driven experiences that empower better financial decision-making. ABOUT THE ROLE We're looking for a Senior Full Stack Engineer with strong Python experience and front-end skills in Angular or React to join Marstone's engineering team and help build and evolve their wealth management platform. This is a hands-on senior role with real ownership. You'll participate in architectural planning sessions in an Agile-based environment and collaborate closely with the Engineering Manager, CTO, and the rest of the team to deliver reliable, scalable solutions. KEY RESPONSIBILITIES - Design, develop, and maintain full-stack features using Python (Django/Flask) on the backend and Angular or React on the frontend. - Design and maintain Service Oriented Architectures (REST/JSON or SOAP web services). - Work with relational databases (PostgreSQL, MySQL, SQL Server, Oracle) and ORM tools, writing efficient queries and ensuring data integrity. - Contribute to cloud architecture and design in AWS or Azure. - Use Docker, ECS, Kubernetes or similar container products for deployment. - Collaborate in an Agile/Scrum environment (Jira, Confluence), participating in code r