AI Engineer: LLM & Custom ML Pipelines

Gain; Amsterdam; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Annual bonus

Health & wellbeing allowance

Work-from-home budget

Job summary

Gain, the Private Markets Super App, is expanding its Amsterdam-based team to build AI-driven data extraction and ML models for financial data. You will work on half LLM agents and half custom ML, with production-grade pipelines and rigorous evaluation practices.

The role emphasizes Python, async programming, and operating across cloud, container, and data stack in a fast-growing, international environment.

Qualifications

• 3+ years building both custom ML models and LLM-based pipelines in production.
• Strong modelling fundamentals: feature engineering, validation that holds up on new data, and knowing when a model needs retraining.
• A habit of measuring before claiming; capable of building an evaluation set and discerning real improvements.

Responsibilities

• Build and improve agents that fetch company data points from the web.
• Develop and retrain models predicting company financials and buy/sell signals.
• Design and maintain evaluation suites offline and live to balance output quality and cost.
• Ship your work into production services, trace pipeline failures, and fix the weakest links first.
• Design with compute, memory, bandwidth and model costs in view.

Skills

Python

LLM pipelines

Async code

Production experience

Tools

PostgreSQL

pgvector

GCP

Docker

GitHub Actions

FastAPI

Job description

Gain, the Private Markets Super App, is expanding its Amsterdam-based team to build AI-driven data extraction and ML models for financial data. You will work on half LLM agents and half custom ML, with production-grade pipelines and rigorous evaluation practices.

The role emphasizes Python, async programming, and operating across cloud, container, and data stack in a fast-growing, international environment.