Enhance Security of FinTech SaaS App

Employer not named by the sourceRemote

Cyber SecurityFull Stack

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About this role

JavaScript, NoSQL Couch & Mongo, Node.js, PostgreSQL, Software Development, AngularJS, Web Development, REST API · Skills: JavaScript, Node.js, PostgreSQL, Web Development, Software Development

JOB DESCRIPTION

We are looking for an experienced full-stack developer to strengthen the administrative security and user-management capabilities of an existing production FinTech SaaS platform.

Our application uses Node.js, TypeScript, PostgreSQL, REST APIs, and a React-based administration dashboard. This is a sensitive financial application, so we need someone who understands secure authentication, database consistency, audit logging, and privileged administrator operations.

This is not a basic CRUD assignment.

RESPONSIBILITIES

The selected developer will:

Build a persistent, case-insensitive email banning system. Block banned users from registration, login, password reset, existing sessions, and administrator impersonation. Ensure bans remain effective after account deletion or attempted re-registration. Safely disable active trading relationships when an account is banned. Preserve historical trades, orders, and audit records. Build administrator interfaces for banning, unbanning, and reviewing users. Securely implement bulk removal of broker accounts and platform users. Add password reauthen