Payments-Focused Full-Stack Engineer — Own Production Systems

United States Digital Space LLC; New York (NY); On-site; USD 110,000 - 130,000; Full time

Job summary

United States Digital Space LLC in Astoria, NYC is seeking a Full-Stack Engineer to own and evolve our payments and POS software for hospitality clients. This onsite role sits in a small team delivering production systems, not tickets, with real money moving in live environments.

Stack includes Go with Echo/GORM and Postgres for the backend, and Next.js/React/TypeScript for the operator portal, plus Kotlin for the Android app. We value correctness and the ability to read an existing codebase.

Qualifications

• 3–6 years of full-stack experience.
• Strong in Go or TypeScript.
• Reading existing codebase with focus on correctness.
• Payments/Simphony experience a plus, but we\'ll teach it.

Responsibilities

• Own and maintain production systems.
• Develop payments API and operator portal.
• Collaborate on code quality and reliability.
• Read and understand an existing codebase.

Skills

Go

TypeScript

React

Kotlin

Next.js

Tools

Echo (Go)

GORM

PostgreSQL

Oracle MICROS Simphony

Job description

United States Digital Space LLC in Astoria, NYC is seeking a Full-Stack Engineer to own and evolve our payments and POS software for hospitality clients. This onsite role sits in a small team delivering production systems, not tickets, with real money moving in live environments.

Stack includes Go with Echo/GORM and Postgres for the backend, and Next.js/React/TypeScript for the operator portal, plus Kotlin for the Android app. We value correctness and the ability to read an existing codebase.