Freelance Human-in-the-Loop Engineer - LLM Integration & Automation

Overview Freelance Human-in-the-Loop Engineer - LLM Integration & Automation

Mindrift Madrid, Community of Madrid, Spain

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates.

Mindrift is looking for passionate freelance contributors to join the Tendem project ( and help shape the future of hybrid agents — where human expertise and Vibe Coding work together seamlessly.

As a Vibe Coding Expert , you\'ll partner with systems that take on repetitive tasks, while you provide the nuance, judgment, and creativity needed to deliver outstanding results. In this role, you won\'t just refine what Vibe Coding generates — you\'ll actively collaborate with it, shaping and completing outputs so they are accurate, reliable, and ready for real-world use. Your day-to-day work may range from tackling complex challenges across different domains with the support of automation, to producing well-reasoned, precise, and clearly written outputs backed by credible sources. This flexible, part-time remote opportunity is ideal for professionals with technical expertise and hands-on experience in scripting, automation, or AI-driven tools. Your contributions will directly influence how Vibe Coding systems evolve, learn, and empower industries worldwide.

What We Do

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About The Role

This is a freelance role for a project, and your typical tasks may include :

Your mission - deliver well-reasoned, accurate, and clearly written outputs backed by credible sources.

Solve complex tasks in different domains with the help of automations

Develop and submit precise answers based on complex prompts, including coding, automation, and data processing tasks.

Write and optimize Python scripts for data analysis, automation, and verification.

Work with large datasets efficiently, ensuring data is clean and well-structured.

Utilize various LLMs to generate advanced prompts and improve AI output quality.

Format outputs in required structures such as Markdown, JSON, tables, etc.

Identify and troubleshoot non-trivial technical problems related to AI workflows and integrations.

How To Get Started

Simply apply to this post, qualify, and get the chance to contribute to projects that match your technical skills, on your own schedule. From coding and automation to fine-tuning AI outputs, you\'ll play a key role in advancing AI capabilities and real-world applications.

Requirements

You have a Master\'s Degree or Bachelor\'s Degree in Engineering, Applied Mathematics, Computer Science, or related technical fields is preferred

You have a minimum of 1 year of professional experience in AI automation, data engineering, or software development is desirable

Level of English is upper-intermediate (B2) or above

You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines

Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge

Benefits

Get paid for your expertise, with rates that can go up to $13 / hour depending on your skills, experience, and project needs

Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments

Work on advanced AI projects and gain valuable experience that enhances your portfolio

Influence how future AI models understand and communicate in your field of expertise

Seniority level Entry level

Employment type Part-time

Job function Other

Industries : IT Services and IT Consulting

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