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Full timeTechnology

Data Analyst

Selby JenningsManhattan, NY🇺🇸United States

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationManhattan, NY, United States
GCPSQLAWSETLMachine LearningNLPSnowflakeAirflowBigQueryData PipelineDatabricksGitLLMPython

Job description


Data Analyst | Quantitative Trading Firm

Overview

  • Join a leading quantitative trading firm where data, technology, and research drive business performance.
  • Work with large-scale financial, market, vendor, and alternative datasets that support critical business and research functions.
  • Partner with engineers, data professionals, and business stakeholders to build reliable, scalable, and automated data solutions.
  • Contribute to a fast-paced, highly collaborative environment that values innovation, ownership, and technical excellence.

Responsibilities
  • Develop and maintain batch and real-time data pipelines using Python and SQL.
  • Ingest, cleanse, validate, and normalize structured and unstructured datasets from a variety of sources.
  • Build and enhance data quality controls, validation frameworks, reconciliation processes, and anomaly detection solutions.
  • Work with large financial and alternative datasets to ensure accuracy, consistency, and reliability.
  • Support the onboarding of new data providers by reviewing specifications, mapping fields, and integrating APIs.
  • Partner with engineering and business teams to define data requirements and improve data accessibility.
  • Apply machine learning and AI techniques to automate data processing, classification, extraction, and enrichment workflows.
  • Assist in evaluating and implementing LLM-based solutions for data mapping, documentation, and quality assurance.
  • Monitor production workflows and investigate data issues, outliers, and operational anomalies.
  • Create documentation, data dictionaries, and process improvements to support long-term scalability.
  • Collaborate on cloud-based data platform initiatives and modern data architecture projects.
  • Take ownership of datasets and processes while identifying opportunities for efficiency and automation.

Qualifications
  • Bachelor's, Master's, or PhD in Computer Science, Engineering, Mathematics, Statistics, Economics, or a related quantitative discipline.
  • Strong Python and SQL development skills.
  • Experience working with data engineering, analytics, quantitative research, financial data, or large-scale datasets.
  • Knowledge of ETL development, data modeling, and data pipeline design.
  • Exposure to workflow orchestration tools such as Airflow or Dagster.
  • Experience with cloud platforms such as AWS or GCP.
  • Familiarity with modern data warehouses including Snowflake, BigQuery, or Databricks.
  • Hands-on experience with machine learning, NLP, or LLM-based solutions.
  • Strong understanding of data quality, validation, reconciliation, and monitoring practices.
  • Experience working with messy, incomplete, or high-volume datasets.
  • Familiarity with Git, Linux, testing, and software engineering best practices.
  • Excellent communication skills with the ability to explain technical concepts to both technical and non-technical audiences.
  • Strong analytical thinking, attention to detail, and problem-solving ability.

Preferred Background
  • Experience with financial markets, market data, trading systems, or quantitative environments.
  • Exposure to Bloomberg, LSEG, S&P, or other financial data vendors.
  • Experience building automated analytics, monitoring, or AI-enabled data workflows.
  • Interest in working in a high-performance, technology-driven environment.

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