JavaScript/TypeScript Developer (Remote Contractor)

About the role

We are seeking experienced software engineers to help train and evaluate next‑generation AI systems by tackling real‑world software engineering tasks. The position is a part‑time contractor (10‑12 hours per week) and fully remote, ideal for developers who enjoy reasoning through unfamiliar codebases and communicating technical decisions clearly.

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 practical solutions involving APIs, databases, services, integrations, testing, and deployment workflows.
• Identify trade‑offs related to scalability, maintainability, performance, reliability, security, and developer experience.
• Communicate 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).
• Experience building, maintaining, or reviewing production‑level applications, APIs, services, databases, or integrations.
• Solid understanding of software engineering fundamentals: 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

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