JavaScript/TypeScript Developer - Remote

About the role

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

Key responsibilities

• Work on diverse engineering problems 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., JavaScript/TypeScript, Node.js, Python, Java, C#.NET, C++, Go, Ruby, PHP).
• Proven ability to build, maintain, or review production‑level applications, APIs, services, databases, or integrations.
• Excellent written communication skills for explaining complex engineering decisions objectively.
• Comfortable reading and reasoning through unfamiliar code or technical requirements.

Required skills

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