Best Data Engineering Tools for Freelancers

BigQuery is an essential tool for data engineers, allowing them to streamline the process of data ingestion, transformation, and analysis. With its scalable infrastructure and robust suite of data engineering features, users can efficiently build data pipelines and automate workflows. BigQuery integrates easily with other Google Cloud tools, making it a versatile solution for data engineering tasks. New customers can take advantage of $300 in free credits to explore BigQuery’s features, enabling them to build and refine their data workflows for maximum efficiency and effectiveness. This allows engineers to focus more on innovation and less on managing the underlying infrastructure.

The Databricks Data Intelligence Platform allows your entire organization to use data and AI. It’s built on a lakehouse to provide an open, unified foundation for all data and governance, and is powered by a Data Intelligence Engine that understands the uniqueness of your data. The winners in every industry will be data and AI companies. From ETL to data warehousing to generative AI, Databricks helps you simplify and accelerate your data and AI goals. Databricks combines generative AI with the unification benefits of a lakehouse to power a Data Intelligence Engine that understands the unique semantics of your data. This allows the Databricks Platform to automatically optimize performance and manage infrastructure in ways unique to your business. The Data Intelligence Engine understands your organization’s language, so search and discovery of new data is as easy as asking a question like you would to a coworker.

Consume data from any database, organize it into consistent metrics, and use it with every app. Build your Data and Reporting APIs faster with automated SQL generation, query optimization, access control, consistent metrics definitions, and API design. It takes only days to wrap any data source with a single reference Data API and simplify access to reporting and analytics data across your teams. Make it easy for data engineers and application developers to access the data from any source in a streamlined manner. - The single schema-less Data API endpoint - Review and configure metrics and dimensions in one place via UI - Data model visualization to make faster decisions - Data Export management scheduling AP Ready-to-use Report Builder and JavaScript components for charting libraries (Highcharts, BizCharts, Chart.js, etc.) makes it easy to embed data-rich functionality into your products. And you will not have to make custom report queries anymore!

dbt helps data teams transform raw data into trusted, analysis-ready datasets faster. With dbt, data analysts and data engineers can collaborate on version-controlled SQL models, enforce testing and documentation standards, lean on detailed metadata to troubleshoot and optimize pipelines, and deploy transformations reliably at scale. Built on modern software engineering best practices, dbt brings transparency and governance to every step of the data transformation workflow. Thousands of companies, from startups to Fortune 500 enterprises, rely on dbt to improve data quality and trust as well as drive efficiencies and reduce costs as they deliver AI-ready data across their organization. Whether you’re scaling data operations or just getting started, dbt empowers your team to move from raw data to actionable analytics with confidence.

Nexla is an enterprise-grade, AI-powered data integration platform that unlocks data from any source and transforms it into production-ready data products for AI and agents. With support for 700+ connectors and multiple integration styles, including ELT, ETL, streaming, APIs, and agentic RAG, Nexla enables teams to build and manage data flows without writing code. Innovators like Autodesk, DoorDash, Johnson & Johnson, LinkedIn, and LiveRamp rely on Nexla to ensure mission-critical data flows seamlessly across the enterprise. Nexla processes over one trillion records per month for leading organizations across industries and is recognized in over 14 Gartner 2025 Hype Cycles for Cloud and AI. Rated 4.9/5 on Gartner Peer Insights™, Nexla delivers reliable, scalable, AI-ready data integration. Try Express, the AI Data Engineering Agent for Building Data Pipelines, Express.dev -->