Freelance Data Engineer - #1677461

Location: Remote-first (UK-based)

Rate: Up to £550 p/d

Contract: 6 - 12 months (Outside IR35)

Tech Stack: BigQuery, SQL, GCP (Dataflow, Cloud Storage, Pub/Sub), ETL/ELT, Python

We’re working with a fast-moving team that’s building high-performance data infrastructure on Google Cloud Platform. They’re looking for a Senior Data Engineer to help design, implement, and optimise scalable pipelines while supporting both data and product teams with reliable, secure, and efficient systems.

If you enjoy working with large-scale datasets and solving performance challenges in cloud environments, this is a great opportunity to lead with impact and collaborate across teams.

What You’ll Be Doing:

Designing and implementing scalable data pipelines using BigQuery and other GCP tools

Developing and maintaining ETL/ELT workflows for transforming and aggregating data

Optimising database performance for cost-effective, efficient querying

Collaborating with analysts, scientists, and engineers on analytics and product use cases

Automating workflows and monitoring pipeline performance

Mentoring junior engineers and fostering a strong engineering culture

What You Need:

Strong SQL skills and experience with large-scale datasets

Hands-on experience with BigQuery and GCP tools like Dataflow, Cloud Storage, and Pub/Sub

Deep knowledge of query optimisation and performance tuning

Proven experience with ETL/ELT design and data modelling best practices

A collaborative mindset and solid communication skills

Ability to mentor and guide junior team members

This is an outside IR35 contract, so you must be UK-based. Interested? Click Apply or get in touch with Ionut Roghina for more details!