Delta One Data Engineer: Alt Data Pipelines & Research

Susquehanna International Group, LLP; Bala Cynwyd (PA); On-site; USD 150,000 - 190,000; Full time

Job summary

Susquehanna International Group, LLP is seeking a Data Engineer to join our Systematic Delta One desk, partnering with researchers, engineers and traders to build scalable, automated data pipelines and research-ready datasets.

You will ingest and normalize third-party data at scale (S3/SFTP, Snowflake, APIs), design end-to-end pipelines for point-in-time accuracy, and extend tooling with LLM-assisted data workflows.

Qualifications

• 5+ years in Python data applications.
• Experience ingesting third-party/vendor data at scale (S3/SFTP, APIs).
• Strong SQL and columnar analytics knowledge.

Responsibilities

• Own onboarding of new datasets from vendors to production-ready pipelines.
• Build point-in-time datasets with correct historical context.
• Design entity-mapping and reference datasets for instrument linkage.
• Extend platform to handle unstructured data with AI tooling.
• Run data-quality and vendor-evaluation studies to inform trials.

Skills

Python data pipelines

SQL

Pandas/NumPy/Polars

Data modeling

Data ingestion at scale

LLMs for data

Production data pipelines

Research collaboration

Education

Advanced degree in CS/Math/Physics/Engineering

Tools

Parquet

Arrow

DuckDB

Snowflake

Job description

Susquehanna International Group, LLP is seeking a Data Engineer to join our Systematic Delta One desk, partnering with researchers, engineers and traders to build scalable, automated data pipelines and research-ready datasets.

You will ingest and normalize third-party data at scale (S3/SFTP, Snowflake, APIs), design end-to-end pipelines for point-in-time accuracy, and extend tooling with LLM-assisted data workflows.