Senior Data Engineer, US

New York, New York, United States

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Not SpecifiedCompensation

Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Financial ServicesIndustries

Requirements

Candidates must possess 8+ years of experience in delivering data-centric platforms with large datasets, fast SLAs, and high data quality standards. Advanced proficiency in Python, including data processing libraries like Pandas and PySpark, is essential. Strong hands-on experience with the AWS data stack (S3, Glue, Athena, EMR, SageMaker) and orchestration/warehousing tools such as Airflow and Snowflake is required. A proven track record of building pipelines that support Data Science workflows, including feature engineering and model-ready datasets, is necessary. Experience with end-to-end development processes, including CI/CD, automated deployments, code reviews, and delivering high-quality, production-ready code, is also required. Strong problem-solving skills for debugging complex issues and optimizing performance, along with excellent interpersonal and organizational skills for collaboration across teams, are crucial.

Responsibilities

The Senior Data Engineer will design, build, and maintain scalable data platforms and pipelines using Python, Airflow, Snowflake, and AWS services, ensuring performant, reliable, and high-quality delivery. They will partner closely with Data Scientists to transform raw data into curated, model-ready features and establish practices like feature stores for consistency and reuse. The role involves applying data quality, lineage, and governance practices to ensure datasets and features are trusted, reproducible, and well-documented. Responsibilities also include collaborating with stakeholders across business, research, and technology teams to align on requirements and priorities, and producing clear technical documentation for testing, training, and delivery.

Skills

Python

Airflow

Snowflake

AWS

Glue

Athena

EMR

SageMaker

Pandas

PySpark

Data Pipelines

Feature Engineering

Machine Learning

Data Warehousing

Data Governance

Data Lineage

Data Quality

SQL

ION Group

Automation technology for financial sector clients

About ION Group

ION Group specializes in automation technology tailored for the financial sector, primarily serving institutional clients like investment banks, asset managers, and brokers. The company provides advanced software solutions that enhance trading, processing, and risk management activities in global financial markets. ION's products include sophisticated software platforms and APIs that enable clients to connect seamlessly to various trading venues and exchanges, ensuring efficient and accurate transactions. Unlike many competitors, ION stands out by acquiring entrepreneurial firms, which allows it to remain agile and responsive to market changes. The company's goal is to enhance efficiency and reduce operational risks for its clients through automation and innovative technology.

London, United KingdomHeadquarters

1998Year Founded

$426.5MTotal Funding

GROWTH_EQUITY_VCCompany Stage

Enterprise Software, FintechIndustries

5,001-10,000Employees