Data Engineer

The BDPN; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Private Medical and Dental

Gym Subsidiaries

Life Assurance

Pension scheme

Birthday off

Job summary

Fospha, a world-leading measurement platform for online retail, invites a Core Data Engineer to design, build and optimise data pipelines, data models, and governance across analytics and ML workflows in London.

You will own reliability and scalability of data in production, collaborate with Data Science and Platform teams, and contribute to GenAI initiatives through robust ETL/ELT patterns and data quality controls.

Qualifications

• Design, build and optimise data pipelines across analytics and ML systems.
• Strong grasp of data modelling, warehousing and orchestration.
• Experience with cloud-native data stacks (AWS) and ML/ELT workflows.
• Familiarity with data quality frameworks and version control in data delivery.

Responsibilities

• Design, build, and optimise data pipelines using dbt, Python, and SQL.
• Implement scalable ELT/ETL frameworks powering analytics and ML.
• Collaborate with Data Science and Platform teams for reliable model deployment.
• Own the reliability, scalability, and observability of data workflows in production.
• Contribute to data architecture decisions and documentation for data integrity.
• Design and maintain data models used by ML Engineers and Data Scientists.
• Drive automation, versioning, and quality validation in data delivery.
• Conduct exploratory data analysis to uncover trends and inform decisions.
• Identify opportunities for process improvement and GenAI enablement.

Skills

Data Pipelines

Data Modelling

Data Warehousing

Orchestration

ML Ops

Agile

Data Quality

Version Control

AWS Cloud

Tools

dbt

Python

SQL

AWS

Job description

is dedicated to building the world's most powerful measurement solution for online retail. For over a decade, we've helped teams make smarter decisions with full-funnel marketing insights, forecasting, and optimisation. With Fospha, every team moves faster and grows smarter.

Trusted by over 200 leading brands across three continents, including Huel, Oh Polly, and Represent , Fospha manages $2.5 billion in annual ad spend.

We're scaling fast across London, Mumbai, and Austin – and we're now looking for a Core Data Engineer to join our Core Data Team to support the growth of the business through robust, scalable data infrastructure.

Ready to make your mark? Let’s go!

The Role

As a Core Data Engineer at Fospha, you’ll be at the heart of our data ecosystem. You’ll design, build, and optimise pipelines that move, transform, and scale data across multiple systems. Working at the intersection of analytics, engineering, and machine learning, you’ll ensure our data infrastructure grows as fast as our ambitions.

You’ll define data quality standards, shape the data roadmap, and support high-quality data access for our Data Science and Analytics teams. This is a high-impact role where your work will directly empower teams to move faster and deliver smarter insights.

Key Responsibilities

• Design, build, and optimise data pipelines using dbt, Python, and SQL
• Implement and maintain scalable ELT/ETL frameworks that power analytics and ML systems
• Collaborate with Data Science and Platform teams to ensure robust and reliable model deployment pipelines
• Own the reliability, scalability, and observability of data workflows in production
• Contribute to data architecture decisions and documentation , ensuring data integrity and consistency across sources
• Design and maintain data models used by ML Engineers, Data Analysts, and Data Scientists
• Drive automation, versioning, and quality validation in data delivery
• Conduct exploratory data analysis to uncover trends and inform strategic decision-making
• Identify opportunities for process improvement and promote a culture of continuous data excellence
• In addition to your core responsibilities, we expect you to be excited by the opportunity GenAI brings and find new ways of working utilising our GenAI hub!

What are we looking for?

• We hire for potential – you should apply if you:
• Have proven experience building data pipelines in dbt, Python, and SQL
• Demonstrate a strong grasp of data modelling, warehousing, and orchestration tools
• Understand data architecture and ELT flows
• Are familiar with ML Ops principles and how they integrate with engineering systems
• Have experience with cloud-native data stacks (preferably AWS)
• Take a pragmatic approach to balancing perfection with delivery
• Understand agile methodologies and best practices
• Know how to apply data quality frameworks and version control in data delivery

Our Values and Principles

You will be able to demonstrate examples of our core principles:

Seek inclusion & diversity: We create an environment where everyone feels welcome, and people are encouraged to speak and be heard

Work Hard, Work Well, Work Together: We take responsibility for making things happen, independently and together; we help colleagues in need and close loops, making sure our work is complete and has lasting impact

Grow: We are proactive, curious and unafraid of failure

Customer at the heart: We care about the customer, feel their pain and love building product that solves their biggest problems

Candour with caring: We deliver candid feedback with kindness and receive it with gratitude

What we can offer you

• Be part of a leading global venture builder,
• and learn from the incredible talent in BC
• Be exposed to the right mix of challenges and learning and development opportunities
• Flexible Benefits including Private Medical and Dental, Gym Subsidiaries, Life Assurance, Pension scheme etc
• 25 days of paid holiday + your birthday off!