Full-Stack Engineer

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

the company | Full-Stack Engineer | Astoria, NYC | ONSITE | Full-time | $110k–$130k

We build payment and point-of-sale software for restaurants, bars, and nightclubs,mostly on Oracle MICROS Simphony (we're an Oracle partner). Small team, real moneymoving in production — you own systems, not tickets.

Stack: Go (Echo, GORM, Postgres) for the payments API and the Oracle SPI/OPI service;Next.js / React / TypeScript for the operator portal; Kotlin / Jetpack Compose for theAndroid card-terminal app.

Looking for ~3–6 yrs, strong in Go or TypeScript and happy to learn the rest. You careabout correctness (a double-charge isn't a cosmetic bug) and can read an existingcodebase. Payments/Simphony experience is a plus, but we'll teach it.