Python Backend Engineer (Remote Contractor)

About the role

We are seeking an experienced software engineer to help train and evaluate next‑generation AI systems by tackling real‑world engineering tasks. The role is fully remote and ideal for developers who can quickly understand unfamiliar codebases, communicate decisions clearly, and solve backend, full‑stack, systems, or infrastructure challenges.

Key responsibilities

• Work on diverse engineering tasks across backend, full‑stack, infrastructure, and systems projects.
• Review, debug, improve, and explain code in various technical environments.
• Design or evaluate solutions involving APIs, databases, services, integrations, testing, and deployment workflows.
• Identify trade‑offs related to scalability, maintainability, performance, reliability, security, and developer experience.
• Document technical reasoning in writing, outlining why solutions work and alternative options.
• Collaborate with the customer’s team on technical reviews, implementation decisions, and problem‑solving exercises.
• Adapt quickly to new codebases, frameworks, and technical requirements.

Required profile

• 5+ years of hands‑on software engineering experience.
• Strong experience in at least one backend or full‑stack environment (e.g., Python, JavaScript/TypeScript, Node.js, Java, C#.NET, C++, Go, Ruby, PHP).
• Experience building, maintaining, or reviewing production‑level applications, APIs, services, databases, or integrations.
• Solid understanding of debugging, testing, code quality, architecture, and technical trade‑offs.
• Ability to explain complex engineering decisions clearly and objectively.
• Comfortable reading and reasoning through unfamiliar code or technical requirements.

Required skills

• Python
• JavaScript
• TypeScript
• Node.js
• Java
• C#
• .NET
• C++
• Go
• Ruby
• PHP
• AWS
• GCP
• Azure
• CI/CD pipelines
• DevOps workflows
• Containers
• Monitoring
• React
• Next.js
• Angular
• Vue
• React Native