Senior Data engineer - AWS - Fabric

Senior Data Engineer

London (Hybrid) | Up to £80,000 + Equity + Bonus

No Sponsorship given

Stop building pipelines that just move data. Start building intelligence.

Our client is a fintech company at the intersection of behavioural science and financial technology. They don't just crunch numbers—they understand why people make the decisions they do, and they're using AI to make those insights scale.

They're looking for a Senior Data Engineer who gets excited about turning messy, multi-source data into elegant, AI-ready architectures. This person will be the architect behind the curtain, making sure their behavioural scientists, ML engineers, and analysts have the rocket fuel they need.

What they'll actually do:

• Build rock-solid data pipelines across AWS (S3, Glue, Athena, Bedrock, OpenSearch) and Microsoft (Fabric, Power BI)
• Wrangle data from everywhere: RDS, MongoDB, HubSpot, S3 lakes—you name it
• Create the data foundations for their AI/ML initiatives (RAG workflows, LLMs, embeddings)
• Make Power BI dashboards that actually refresh when they're supposed to
• Implement governance that doesn't make people want to scream (metadata tagging, lineage tracking, the good stuff)
• Collaborate with brilliant behavioural scientists and product teams who'll challenge them in the best ways

The ideal candidate will:

Know their way around AWS data tools (Glue/PySpark, Athena) and Microsoft Fabric

Be able to write clean Python and SQL in their sleep

Have battle scars from integrating CRMs (HubSpot, Salesforce) via APIs

Actually care about data quality, not just "it ran successfully"

Get a kick out of making complex data architectures simple and elegant

Be able to explain technical decisions to non-technical humans

Bonus points: Experience with Delta Lake/Iceberg, real-time streaming, or LLM orchestration

What's on offer:

• Work on genuinely interesting problems (behavioural + financial data = never boring)
• Shape the data strategy from the ground up—real influence, not ticket-shuffling
• Hybrid working with actual flexibility
• EMI equity scheme (because they believe people should share in what they build)
• Collaborate with world-class behavioural scientists and researchers
• Performance bonuses tied to real outcomes

The practical bit:

• Location: London-based, hybrid model
• Salary: Up to £80,000
• Reports to: CTO
• Team vibe: Small, smart, collaborative—your voice matters from day one

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