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Haystack

Senior Data Engineer

London
Posted about 14 hours ago
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The Role

  • Build and maintain scalable, production-grade data pipelines
  • Own end-to-end data workflows from source to production
  • Write and optimise advanced SQL transformations at scale
  • Work with complex, imperfect, high-volume datasets
  • Improve data quality, reliability, and performance
  • Collaborate with product, analytics, and ML teams
  • Contribute to engineering best practices

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

Start with a chat, not a search bar

Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

P

Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

What You'll Need

  • Strong Python and advanced SQL in production environments
  • Experience delivering end-to-end data engineering solutions
  • Exposure to Spark, Snowflake, BigQuery or similar
  • Cloud experience across AWS, GCP, or Azure
  • Comfortable working with messy, large-scale datasets
  • Strong ownership from design through to deployment

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What's On Offer

  • Opportunity to shape data foundations behind AI products
  • Work in a high-growth, modern engineering environment
  • Central role where SQL expertise is highly valued

Apply via Haystack today!

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“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”

Jessica, London

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Skills

Python
SQL
Data Pipeline Construction
Spark
Snowflake
BigQuery
AWS
GCP
Azure
Data Modeling
Data Quality
ETL

Location

London, England, United Kingdom

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