Remote Backend Security Engineer – Contract, Flexible Hours

RemoteJobsOne; Philadelphia (Philadelphia County); Remote; USD 41,000 - 138,000; Full time

Job summary

RemoteJobsOne is seeking experts to help train next-generation AI systems. You will create realistic coding tasks and verifiers, shaping how models learn, reason, and perform. No prior AI experience is required; domain knowledge matters.

You will work on backend-focused tasks across languages like Java, Node.js, Go, Python, TypeScript and C++, with an emphasis on secure, scalable services and rigorous testing. This is a remote US-based contractor role with flexible hours.

Qualifications

• Strong backend experience with multiple languages and scalable APIs.
• Track record building scalable services and APIs.
• Comfort with debugging, performance work and automated testing.
• Solid code review instincts.
• Cybersecurity or SecOps background is a big plus.

Responsibilities

• Train next-generation AI systems with high-quality real-world input.
• Create realistic, interesting coding tasks for AI to solve.
• Implement deterministic verifiers that accept valid solutions.

Skills

Backend experience

Java

Node.js

Go

Rust

Typescript

Python

C++

Job description

RemoteJobsOne is seeking experts to help train next-generation AI systems. You will create realistic coding tasks and verifiers, shaping how models learn, reason, and perform. No prior AI experience is required; domain knowledge matters.

You will work on backend-focused tasks across languages like Java, Node.js, Go, Python, TypeScript and C++, with an emphasis on secure, scalable services and rigorous testing. This is a remote US-based contractor role with flexible hours.