Senior Fullstack Engineer (Python + JS)

Role Summary

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!

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.

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 reviews and demos.

Requirements

WHAT YOU NEED TO SUCCEED IN THIS ROLE

• Senior-level Python experience (4+ years) with Django and/or Flask.
• Front-end development experience with Angular or React.
• Experience designing and consuming REST/SOAP APIs.
• Strong knowledge of relational databases and SQL, with ORM experience.
• Experience with cloud architecture (AWS or Azure).
• Familiarity with Docker, ECS, Kubernetes or similar container technologies.
• Ability to work independently, communicate clearly, and collaborate across teams.

NICE TO HAVE

• Experience in fintech, blockchain, or wealth management platforms.
• Familiarity with Agile/Scrum ceremonies and tools (Jira, Confluence).
• Experience working directly with US-based clients and distributed teams.

Benefits

WHY SOUTH GEEKS

• Long-term projects
• 100% remote work
• Payment in USD
• Paid Time Off (PTO)
• Work-from-home & training reimbursement
• English lessons
• Technical training
• Career coaching

About the Company

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.

We strive to create an inspiring and growth-oriented environment where everyone feels valued, heard, and empowered. We promote both personal and professional development, with individualized support for your needs and goals. We aim to build a space where everyone can thrive.