Remote Software Engineer - AI Systems & Code Review

S27a; United States; Remote; USD 82,656 - 151,536; Part time

Job summary

S27a is seeking experienced software engineers to help train and evaluate next-generation AI systems through real-world software tasks. This contractor role suits developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and solve practical backend, full-stack, systems, or infrastructure problems.

A cybersecurity/SecOps background is highly preferred, but no AI experience is required.

Qualifications

• 3+ years of hands-on software engineering experience.
• Experience in at least one backend or full-stack environment.
• Ability to explain engineering decisions clearly and objectively.

Responsibilities

• Work on challenging software engineering tasks across backend, full-stack, infrastructure, and systems-related projects.
• Review, debug, improve, and explain code across different technical environments.
• Design or evaluate practical solutions involving APIs, databases, services, integrations, testing, and deployment workflows.
• Identify tradeoffs around scalability, maintainability, performance, reliability, security, and developer experience.
• Communicate technical reasoning clearly in writing, including why a solution works and what alternatives were considered.
• Collaborate with the customer’s team on technical reviews, implementation decisions, and problem-solving exercises.
• Adapt quickly to new codebases, frameworks, and technical requirements.

Skills

3+ years exp

Backend/full-stack

Python

JavaScript/TypeScript

Node.js

API design

Job description

S27a is seeking experienced software engineers to help train and evaluate next-generation AI systems through real-world software tasks. This contractor role suits developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and solve practical backend, full-stack, systems, or infrastructure problems.

A cybersecurity/SecOps background is highly preferred, but no AI experience is required.