Remote Backend Engineer — Payments Infrastructure & APIs

Not Disclosed; United States; Remote; USD 34,000 - 83,000; Full time

Job summary

Not Disclosed is building and operating scalable, revenue‑critical payment infrastructure for modern fintech and billing systems. This remote contract role demands collaboration across product and engineering teams, with a focus on clean, tested production code and reliable delivery.

The position supports a remote-first, contract-based model emphasizing agility, async collaboration, and efficient delivery across time zones.

Qualifications

• 3+ years backend engineering with Java, Kotlin, and Python.
• Experience with RESTful APIs, GraphQL APIs, microservices, and event-driven systems.
• Payments, fintech, or billing domain experience.

Responsibilities

• Implement payment features and refactor legacy services.
• Modernize APIs and improve test coverage.
• Collaborate with product and engineering teams.

Skills

Java

Kotlin

Python

Job description

Not Disclosed is building and operating scalable, revenue‑critical payment infrastructure for modern fintech and billing systems. This remote contract role demands collaboration across product and engineering teams, with a focus on clean, tested production code and reliable delivery.

The position supports a remote-first, contract-based model emphasizing agility, async collaboration, and efficient delivery across time zones.