Principal Backend Engineer | Architect

Job overview

The Principal Backend Engineer | Architect role is hybrid in Chicago, IL, with at least one day per week in the office. Compensation is not specified. The role supports Ludex’s consumer and enterprise products, a technology platform for sports and trading card collectors and sellers. The engineer designs and scales backend systems, makes architecture decisions, and drives implementation and reliability as the platform grows in users, data volume, and revenue.

What you'll do

• Design, develop, and maintain backend services using Node.js, NestJS, and TypeScript
• build and optimize APIs
• manage PostgreSQL databases and data models
• work with AWS infrastructure
• collaborate with frontend, product, and other teams
• maintain code quality, security, and performance
• resolve bottlenecks
• contribute to technical strategy
• and support deployments, monitoring, and production reliability.

What we're looking for

Skills & competencies

principal backend engineer

architect

node.js

nestjs

typescript

postgresql

aws

api design

hybrid

chicago il

ludex

consumer technology

trading cards

Work arrangement

• Weekend coverage required

Why this role

The posting describes a high-ownership role with influence over architecture and engineering standards, products used by millions of collectors, and a small, hands-on team.

About the employer

LUDEX, LLC is hiring for this role. Industry: Administrative Management and General Management Consulting Services. Sector: 54.