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Backend Engineering Specialist – Freelance AI Trainer Project

Job not on LinkedIn

🔥 11 hours ago

🇺🇸 United States – Remote

💵 $8 - $65 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

Where this job comes from

Posted on Invisible Technologies's careers page, not through a job board

First seen by Remote Rocketship 11 hours ago

Still open on Invisible Technologies's site. Checked 35 minutes ago.

Logo of Invisible Technologies

Invisible Technologies

201 - 500 employees

Founded 2015

💼 Consulting

🏥 Healthcare

📦 Logistics

💰 $100M Series unknown on 2025-10

Consulting • Healthcare • Logistics

Invisible Technologies is an enterprise AI platform and services company that builds and deploys production-grade AI systems for large organizations. They combine a modular SaaS platform (data platform, process builder, agents, evaluations) with an expert human marketplace to train models, automate complex back-office workflows, power contact centers, provide computer vision and demand-forecasting solutions, and ensure ongoing evaluation and governance. Invisible works across sectors (finance, healthcare, public sector, sports, retail) to integrate AI into real operational systems and scale outcomes.

📋 Description

• Review and annotate AI-generated code • Evaluate and refine code outputs • Assess correctness, efficiency, scalability, and backend engineering best practices • Identify and document error patterns • Collaborate to refine prompts, evaluation methods, and engineering guidelines • Contribute backend engineering expertise to AI training data

🎯 Requirements

• Strong backend engineering experience • Proficiency in backend languages such as Python, Java, Go, or C++ • Experience with frameworks such as Django, Spring, or Express • Experience with SQL/NoSQL databases • Clear communication skills • Problem-solving ability • Attention to detail • Experience with API design, distributed systems, cloud services, or containerization (Docker/Kubernetes) is a strong plus

🏖️ Benefits

• No company-sponsored health insurance or PTO apply to contractors • Contractor supplies a secure computer • Contractor supplies a stable internet connection

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