Node.js Software Engineer (Remote Contractor)

About the role

We are seeking experienced software engineers to help train and evaluate next‑generation AI systems by tackling real‑world engineering tasks. No prior AI background is required; the focus is on strong engineering judgment, clear technical communication, and the ability to assess code, architecture, and trade‑offs.

Key responsibilities

• Work on challenging backend, full‑stack, infrastructure, and systems projects.
• Review, debug, improve, and explain code across diverse 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 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 tools
• React
• Next.js
• Angular
• Vue
• React Native
• GitHub (open‑source contributions)