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Data Engineer

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Onsite

Data Engineer

Fierceli Inc, MBE, SBE

Data Engineer

Skills

SQL QueriesBig DataData EngineeringPythonData AnalysisApache AirflowCompliance

3 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Sunnyvale, CA, USA

Work mode:

Onsite

Published on:

20 October 2026

What they need


Data Engineer

Job Summary

We are seeking a skilled Data Engineer to develop and maintain data ingestion and processing pipelines that consolidate data from multiple sources and formats into a centralized repository. The ideal candidate will have hands-on experience with data engineering, data processing frameworks, workflow orchestration, and infrastructure fundamentals to ensure reliable, scalable, and compliant data integration.

Key Responsibilities

  • Design, develop, and maintain data ingestion pipelines to collect and integrate data from multiple sources into a centralized repository.
  • Build and optimize data processing workflows to handle diverse data formats and large volumes of data.
  • Ensure data ingestion and processing adhere to applicable data governance, quality, security, and compliance requirements.
  • Develop and maintain ETL/ELT pipelines using Python, SQL, and Apache Airflow.
  • Work with distributed data processing technologies such as Apache Spark and Apache Flink.
  • Troubleshoot data pipeline failures, investigate data quality issues, and resolve processing bottlenecks.
  • Collaborate with infrastructure, networking, and platform teams to support reliable data movement and integration.
  • Monitor pipeline performance, data accuracy, and system reliability.
  • Optimize data workflows for scalability, efficiency, and operational stability.
  • Document data pipelines, processing logic, and technical procedures.

Required Skills and Qualifications

  • Strong programming experience with Python and SQL .
  • Hands-on experience building and maintaining data ingestion and processing pipelines.
  • Experience with Apache Airflow for workflow orchestration and scheduling.
  • Experience working with multiple data formats, such as JSON, CSV, Parquet, Avro, or similar.
  • Understanding of ETL/ELT processes, data integration, and centralized data repositories.
  • Knowledge of data engineering infrastructure, networking fundamentals, and data transfer mechanisms.
  • Strong troubleshooting, debugging, and problem-solving skills.

Preferred / Plus Skills

  • Experience with Apache Spark for distributed data processing.
  • Experience with Apache Flink for stream processing.
  • Experience with additional data querying, processing, and analytics tools.
  • Familiarity with big data technologies and scalable data platforms.
  • Experience with data governance, compliance, and data quality controls.

Ideal Candidate

The ideal candidate is a hands-on Data Engineer who can build reliable data pipelines, integrate data from heterogeneous sources, and deliver compliant, high-quality data into a centralized repository. They should be comfortable working across data processing, orchestration, infrastructure, and networking environments.

Core Technologies: Python, SQL, Apache Airflow

Additional Technologies: Apache Spark, Apache Flink, big data query tools

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