Backend Assessment Engineer: Build Reproducible Tasks

ixolabs.ai; France; Sur place; Plein temps

Résumé du poste

IXO Labs is seeking contributors for backend assessment tasks. You will select meaningful bugs or performance problems, create reproducible environments, and implement verifiers to ensure correct behavior across multiple solutions.

Remote assignments are scheduled by agreement, with flexible weekly hours. Payment is per completed task in USD, with fees agreed before work and no guaranteed volume.

Qualifications

• Practical backend engineering in languages with scalable APIs/services, debugging, performance analysis, tests and code-review judgment.

Responsabilités

• Choose realistic bugs, feature requests, refactors or performance problems that require substantial engineering work.
• Build a reproducible environment and a reference solution, then implement deterministic verifiers for the intended behavior.
• Test that valid alternative solutions can pass while incorrect, incomplete or hardcoded shortcuts fail; document the task and its verification logic.

Connaissances

Backend engineering

Code review

Outils

Go

Java

Rust

Node.js

Python

TypeScript

C++

Description du poste

IXO Labs is seeking contributors for backend assessment tasks. You will select meaningful bugs or performance problems, create reproducible environments, and implement verifiers to ensure correct behavior across multiple solutions.

Remote assignments are scheduled by agreement, with flexible weekly hours. Payment is per completed task in USD, with fees agreed before work and no guaranteed volume.