Data Platform Engineer - Own High-Impact Market Data

Flow Traders; Amsterdam; On-site; EUR 100,000 - 150,000; Full time

Benefits offered by this job

Flow Academy

Daily catered lunch

In-house Bar and Lounge

Company boat

In-house gym and nutritionist

Bi-weekly massages

Annual company trip

Global rotations

Wellness programs

Great global locations

Job summary

Flow Traders is seeking a Core Data Engineer to own end-to-end data products, including security master data, ETF compositions, high‑resolution market data, and trade records. You will build and monitor automated pipelines to deliver reliable data across the organization.

You will optimize data sets, collaborate with stakeholders, and ensure data quality supports Flow Traders' growth in quantitative trading and research.

Qualifications

• Analytics or data engineering experience, ideally at a startup or scale-up through a growth phase.
• Strong data modelling and data quality practice: tests, contracts, lineage, observability in production.
• Strong proficiency in Python (ideally familiarity with another statically-typed language).
• Working proficiency with SQL and relational databases, and version control systems.
• Demonstrated ability to work with large datasets and familiarity with big data solutions.
• You have owned something in production, not only built it.
• You enjoy working directly with the people who use your data.
• Strong interpersonal and communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders.
• Ability to balance individual stakeholder requirements with data quality, consistency, and broad applicability.

Responsibilities

• Craft datasets with quants. Take an underspecified research question and turn it into the right dataset: aligned, adjusted, point-in-time correct, documented, and reproducible.
• Develop and own the end-to-end lifecycle of these data products. Build and maintain pipelines, develop quality checks, correct day-to-day operational issues, and systematize/automate manual processing steps
• Own data quality where it matters. Design the checks and alerts that catch the problems that would actually hurt a strategy, and deliberately leave out the ones that are just noise.
• Build shared foundations. Reference data, instrument identifiers, corporate actions and vendor feeds that every researcher and trading desk depends on.
• Keep critical pipelines running. Markets in several regions, and digital asset markets that never close, depend on this data. You will be part of a team that supports it across time zones.

Skills

Analytics / data engineering

Python

SQL

Big data

Production ownership

Stakeholder collaboration

Tools

Spark / Databricks

dbt

Airflow

Kafka

GCP

Polars / Pandas

Spark

Job description

Flow Traders is seeking a Core Data Engineer to own end-to-end data products, including security master data, ETF compositions, high‑resolution market data, and trade records. You will build and monitor automated pipelines to deliver reliable data across the organization.

You will optimize data sets, collaborate with stakeholders, and ensure data quality supports Flow Traders' growth in quantitative trading and research.