Data Analyst (SQL, PySpark, Python)

Halian

London

On-site

GBP 39,000 - 45,000

Full time

14 days+

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Job summary

A professional services firm in London is seeking an experienced Data Analyst for a 1-year contract. The role involves managing data extraction and developing analytics code using SQL and PySpark. Candidates should have 3-5 years of hands-on experience with data visualization and analysis. This is a hybrid role requiring 2 days onsite per week.

Qualifications

3–5 years' hands-on experience in data analysis and insight generation.
Proven expertise in SQL and PySpark, with solid knowledge of Python.
Experience working with large datasets and pipelines.

Responsibilities

Manage data extraction, cleansing, and transformation activities.
Develop analytics code using SQL, PySpark, and Python.
Analyze datasets to generate actionable insights.

Skills

SQL

PySpark

Python

Data visualization

Analytical thinking

Job description

Our client is seeking an experienced Data Analyst to support a key client engagement within their professional services division. This is an initial 1 year contract based in London, operating on a hybrid basis (2 days onsite per week) and falling inside IR35.

Key Responsibilities:

Independently manage data extraction, cleansing, and transformation activities
Develop production-grade analytics code using SQL, PySpark, and Python
Analyze large-scale datasets to generate actionable insights and visualizations
Collaborate across technical and business teams to drive data-driven decision making

Required Experience:

3–5 years' hands-on experience in data analysis, insight generation, and data visualization
Proven expertise in SQL and PySpark, with solid working knowledge of Python
Background working with big data platforms, large datasets, and pipelines
Strong analytical thinking and a collaborative, self-directed working style
Experience in the Payments, FinTech, or financial services sector is highly desirable, though not mandatory

Seniority level