Backend Developer | $65/hr Remote

Crossing Hurdles; Canada; On-site; CAD 80,000 - 120,000; Full time

Job summary

Crossing Hurdles in Canada is seeking a backend developer to evaluate, review, and debug code related to AI models. The ideal candidate will possess strong professional software engineering experience along with hands-on coding skills in languages such as Python, Java, Go, or Node.js. Responsibilities include assessing the quality of AI outputs and contributing to backend system design. Strong written communication skills and attention to detail are essential for this role.

Qualifications

• Strong professional software engineering experience.
• Hands-on coding experience in backend development, with deep understanding of databases and APIs.
• Proven experience writing, reviewing, and debugging production-level code.

Responsibilities

• Evaluate and debug backend code, focusing on APIs and server logic.
• Assess the quality of AI outputs for correctness and scalability.
• Work through backend system design and algorithmic problems.

Skills

Backend development

Python

Java

Go

Node.js

APIs

Databases

Algorithms

Scalable system design

Debugging

Job description

Responsibilities

• Evaluate, review, and debug backend code (e.g., APIs, server logic, databases) and technical content generated by advanced AI models.
• Assess the quality of AI outputs for correctness, efficiency, scalability, and adherence to industry best practices.
• Work through backend system design, architecture, and algorithmic problems to push model capabilities forward.
• Provide clear, structured written feedback to improve the model's logic and engineering judgment.
• Work completely independently and asynchronously, following detailed technical guidelines.

Qualifications

• Experience: Strong professional software engineering experience.
• Technical Skills: Strong hands‑on coding experience in backend development (e.g., Python, Java, Go, or Node.js), with a deep understanding of databases, APIs, data structures, algorithms, and scalable system design.
• Code Quality: Proven experience writing, reviewing, and debugging production‑level code.
• Communication: Strong written communication skills and a high attention to detail.