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Andrew Nifield

@andrewnifield

I run trading operations and build AI-native systems for fraud, payments, and performance.

Spain
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What I'm looking for

I'm looking to lead operational, risk, payments, or AI-native product work where I can uncover difficult problems, build practical systems in-house, and own outcomes across teams and processes.

At MediaLogix, I run operations across retention, payments, security, quality, education, and conduct monitoring for an online trading company spanning three countries. I identified and closed more than $3M in systematic trading-system exploitation through account-level forensic analysis, then built the analytics and surveillance systems that exposed similar risks.

I build operational tooling in-house using Python, FastAPI, Next.js, Postgres, Playwright, and the Claude API, including agent supervision, call analytics, QA automation, activity monitoring, and internal security systems. Outside work, I ship live software products end to end, including Nifield, an AI phone-secretary SaaS, and Dominion, a real-time strategy game.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

Pontifícia Universidade Católica de Minas Gerais logoPG

Pontifícia Universidade Católica de Minas Gerais

Bachelor of Arts, Languages

2004 - 2007

Earned a Bachelor of Arts in Languages (Letras) from PUC Minas, Brazil, from 2004 to 2007.

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