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Haystack

Senior Data Engineer

United Kingdom
Posted 8 days ago
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A fast-growing cybersecurity startup, using an AI SaaS platform to identify and interpret exposed data in near real-time, is seeking a talented engineer. This company helps clients reduce the risk and anxiety associated with exposed data across complex supply chains, providing assurance through cutting-edge technology.

The Role

  • Design, build, and operate batch and streaming systems to ingest, transform, model, and serve data at scale.
  • Own and evolve data pipelines and the data platform, turning raw exposed data into reliable, queryable intelligence.
  • Work closely with founders, platform, and software engineers in a small, international team.
  • Ensure data quality, correctness, and scalability for analytics, ML models, and customer-facing platforms.
  • Support ML/AI workflows through data cleaning and feature engineering for training pipelines.
  • Architect robust pipelines and deliver clean, well-modelled datasets for high-quality intelligence.

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

  • Demonstrable experience in designing, building, and operating production data pipelines end-to-end.
  • Strong Python for data engineering, including hands-on PySpark at scale (AWS EMR).
  • Strong SQL for modelling, transforming, and querying large datasets.
  • Experience with streaming data (Kafka), Lakehouse patterns (Apache Iceberg, Athena, S3), and workflow orchestration (Airflow).
  • Proficiency in Infrastructure as Code (Terraform) and managing core AWS services.
  • Ability to ingest large, heterogeneous, unclean data from many sources and ensure reliability.

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What's On Offer

  • Opportunity to join a fast-growing company at an early stage with significant impact.
  • Industry competitive salary.
  • Company pension scheme.
  • Eligibility for a share in the company through an options grant after a qualifying period.

Apply via Haystack today!

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Skills

Python
PySpark
SQL
Kafka
Apache Iceberg
Athena
S3
Airflow
Terraform
AWS
Data Modeling
ETL Pipelines
Infrastructure as Code
Feature Engineering
Data Cleaning
Streaming Systems

Location

United Kingdom

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