Job Description

We are looking for a semi-senior full stack developer to support the improvement, correction and integration of an advanced fintech platform. This task is focused on working on an existing system, ordering flows, correcting errors, strengthening business logic and supporting integration and technical documentation.

Main responsibilities:
\ •\ Fix frontend and backend errors
\ •\ Improve forms, validations, sessions and user roles
\ •\ Review and polish flows of applicants, investors, administrators and transactional core
\ •\ Support in the integration of APIs and external services
\ •\ Maintain consistency between modules and operational logic
\ •\ Work on existing code without revising the entire project
\ •\ Support technical documentation and functional tests

Desirable knowledge:
\ •\ Experience in full stack web development
\ •\ React or similar frontend technologies
\ •\ FastAPI or similar backend frameworks
\ •\ MongoDB database management
\ •\ REST APIs
\ •\ Authentication, permissions and roles
\ •\ Git and work on existing code",