Freelance Data Engineer

Early Applicant

2-4 Years

Job Description

Responsibilities:

Design, develop, and maintain scalable ETL/ELT pipelines to process structured and unstructured data.
Manage and optimize databases, data warehouses, and data lakes (SQL/NoSQL, BigQuery, etc.).
Ensure data quality, governance, and reliability through validation, monitoring, and automation.
Optimize pipelines and queries for large datasets and high-volume transactions.
Explore and analyze datasets using statistical methods to identify trends and insights.
Build, validate, and fine-tune predictive and prescriptive machine learning models relevant to the business.
Deploy models into production by integrating them with data pipelines and business applications.
Communicate findings and recommendations through dashboards, visualizations, and reports.
Set up, maintain, and monitor Google Cloud Platform services (BigQuery, Dataflow, Cloud Storage, Pub/Sub, Composer).
Manage ETL workflows on GCP, ensuring reliability, scalability, and cost efficiency.
Implement security, access control, and compliance in cloud-based data systems.
Collaborate with cross-functional teams (business, sales, operations) to ensure data is actionable and accessible.

Requirements & Qualifications:

Bachelors degree in Computer Science, Information Technology, or related field (or equivalent experience).
Minimum 2+ years of experience in Data Engineering, especially in data modeling, warehousing, and distributed systems.
Strong proficiency in Python (for data pipelines, ML).
Strong knowledge of SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB) and experience with ClickHouse is a plus.
Familiarity with RESTful APIs (design, development, integration).
Familiarity with machine learning frameworks (TensorFlow, scikit-learn, PyTorch).
Hands-on expertise with Google Cloud Platform (BigQuery, Dataflow, Pub/Sub, Composer, Cloud Storage); experience in GCP infra setup is a strong plus.
Proficient in Linux-based servers and deployment workflows.
Skilled in Git/Bitbucket for version control and collaborative development.
Experience implementing security best practices in both web applications and data infrastructure.
Strong problem-solving, analytical, and collaboration skills.
Experience with Zoho Deluge scripting is a plus.