Senior Full-Stack Engineer

PostQ; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

PostQ is seeking a senior full-stack engineer to own features across a security product’s scanner, customer dashboard, API, and developer tools. You will ensure dependable API contracts compatible with multiple language SDKs and a Go CLI.

You’ll build dashboards with Next.js/React/TypeScript, design REST endpoints for JS/Python/.NET SDKs and a Go CLI, and model data with Supabase and PostgreSQL, including multi-tenant access controls.

Qualifications

• Expert-level TypeScript across frontend and backend development.
• Strong SQL skills and experience with row-level security or multi-tenant data models.
• Ability to own a feature from its database schema through its user interface.
• Habit of testing work as it is built and attention to API ergonomics.

Responsibilities

• Build dashboard features with Next.js, React, and TypeScript, and backend services with Node.js and Fastify.
• Design REST endpoints consumed by JavaScript, Python, and .NET SDKs and a Go CLI.
• Model data in Supabase and PostgreSQL, including access controls for multi-tenant records.
• Improve the speed and reliability of scanning, inventory, vault, ledger, and policy workflows.
• Write tests alongside implementation and maintain clear, usable API interfaces.

Skills

TypeScript

SQL

API design

Tools

Supabase

Turborepo

pnpm

Job description

Role overview

Own full-stack development across a security product's scanner, customer dashboard, API, and developer tools. You'll take features from data design through user interface delivery, with a focus on dependable API contracts that support multiple language SDKs and a command-line client.

Responsibilities

• Build dashboard features with Next.js, React, and TypeScript, and backend services with Node.js and Fastify.
• Design REST endpoints consumed by JavaScript, Python, and .NET SDKs and a Go CLI.
• Model data in Supabase and PostgreSQL, including access controls for multi-tenant records.
• Improve the speed and reliability of scanning, inventory, vault, ledger, and policy workflows.
• Write tests alongside implementation and maintain clear, usable API interfaces.

Requirements

• Expert-level TypeScript experience across frontend and backend development.
• Strong SQL skills and experience with row-level security or multi-tenant data models.
• Ability to own a feature from its database schema through its user interface.
• A habit of testing work as it is built and attention to API ergonomics.

Nice to have

• Experience with Supabase, Turborepo, or pnpm monorepos.
• Interest in security or cryptography tooling.

Benefits and work setup

• Remote role open to candidates in US or EU time zones.
• Hiring focuses on demonstrated ability rather than formal credentials.