Senior Backend Engineer - Cloud AI Infra, Remote Contract

Crossing Hurdles; La Réunion; Remote; EUR 61,000 - 123,000; Part time

Job summary

Crossing Hurdles is seeking a Senior Backend Engineer for remote, contract work. You will design and implement cloud infrastructure to evaluate AI model proficiency, craft scenarios around distributed systems, and develop deterministic tests for reinforcement learning environments.

The role emphasizes secure, scalable backend solutions and collaboration with tech leads. Responsibilities include documenting architectures and edge cases, and producing defective variants to test model responses and

Qualifications

• Proven backend programming expertise in one or more listed languages.
• Strong experience with DevOps, CI/CD, and automation.
• Experience architecting distributed, production-grade systems.
• Deep understanding of networking, IAM, storage, and disaster recovery.

Responsibilities

• Design, develop, and implement realistic cloud infrastructure environments to evaluate AI model proficiency.
• Create detailed scenarios involving distributed systems, networking, IAM, and disaster recovery.
• Develop deterministic validation tests and golden reference solutions for reinforcement learning environments.
• Produce intentionally defective variants to test AI model responses and recovery strategies.
• Document architecture, edge cases, and operational flows for developed environments.
• Collaborate with technical leads to refine environment specifications and acceptance criteria.
• Apply DevOps practices to deliver scalable, secure, and maintainable solutions.

Skills

C++

Python

Rust

Go

Java

JavaScript

Job description

Crossing Hurdles is seeking a Senior Backend Engineer for remote, contract work. You will design and implement cloud infrastructure to evaluate AI model proficiency, craft scenarios around distributed systems, and develop deterministic tests for reinforcement learning environments.

The role emphasizes secure, scalable backend solutions and collaboration with tech leads. Responsibilities include documenting architectures and edge cases, and producing defective variants to test model responses and