Data Structures Contracts in the City of London

Data Structures
Central London > City of London

The table below looks at the prevalence of the term Data Structures in contract job vacancies in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Data Structures over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 95 101 146
Rank change year-on-year +6 +45 +9
Contract jobs citing Data Structures 24 26 32
As % of all contract jobs advertised in the City of London 1.37% 1.18% 0.88%
As % of the Miscellaneous category 3.92% 3.85% 2.45%
Number of daily rates quoted 17 13 16
10th Percentile £338 £303 £450
25th Percentile £475 £513 £514
Median daily rate (50th Percentile) £600 £655 £569
Median % change year-on-year -8.40% +15.16% -24.17%
75th Percentile £680 £695 £659
90th Percentile £730 £708 £785
Central London median daily rate £600 £655 £569
% change year-on-year -8.40% +15.16% -24.17%

All Generic Skills
City of London

Data Structures falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in the City of London.

Contract vacancies with a requirement for generic IT skills 612 676 1,304
As % of all contract IT jobs advertised in the City of London 34.85% 30.77% 35.79%
Number of daily rates quoted 383 462 889
10th Percentile £363 £276 £350
25th Percentile £475 £425 £499
Median daily rate (50th Percentile) £588 £575 £625
Median % change year-on-year +2.17% -8.00% +8.70%
75th Percentile £700 £700 £750
90th Percentile £800 £849 £861
Central London median daily rate £575 £575 £605
% change year-on-year - -4.96% +5.22%
Number of hourly rates quoted 3 7 12
10th Percentile £23.80 £12.75 £16.97
25th Percentile £26.50 £14.38 £31.31
Median hourly rate £31.00 £23.00 £43.25
Median % change year-on-year +34.78% -46.82% -9.90%
75th Percentile £65.50 £27.25 £88.30
90th Percentile £86.20 £36.60 -
Central London median hourly rate £29.07 £23.00 £35.00
% change year-on-year +26.39% -34.29% -27.08%

Data Structures
Job Vacancy Trend in the City of London

Job postings citing Data Structures as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Structures in the City of London

Data Structures
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Data Structures in the City of London.

Daily rate trend for Data Structures in the City of London

Data Structures
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Structures in the City of London over the 6 months to 1 May 2025.

Daily rate histogram for Data Structures in the City of London

Data Structures
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Data Structures in the City of London.

Hourly rate trend for Data Structures in the City of London

Data Structures
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (16.67%) Apache
1 4 (16.67%) Apache Spark
1 4 (16.67%) Jupyter
2 1 (4.17%) CMS
2 1 (4.17%) Umbraco
Applications
1 4 (16.67%) Microsoft Excel
Business Applications
1 2 (8.33%) Dynamics CRM
1 2 (8.33%) SAP S/4HANA
2 1 (4.17%) NetSuite
Cloud Services
1 8 (33.33%) Power Platform
2 5 (20.83%) Azure
3 2 (8.33%) Dynamics 365
4 1 (4.17%) GCP
4 1 (4.17%) Power Automate
4 1 (4.17%) PowerApps
Communications & Networking
1 4 (16.67%) SSH
Database & Business Intelligence
1 7 (29.17%) Power BI
2 5 (20.83%) NoSQL
2 5 (20.83%) SQL Server
3 4 (16.67%) Apache Hive
3 4 (16.67%) Azure SQL Database
3 4 (16.67%) Delta Lake
3 4 (16.67%) Relational Database
4 2 (8.33%) CockroachDB
4 2 (8.33%) Data Warehouse
4 2 (8.33%) MySQL
4 2 (8.33%) PostgreSQL
4 2 (8.33%) Tableau
5 1 (4.17%) Big Data
5 1 (4.17%) BigQuery
5 1 (4.17%) BusinessObjects
5 1 (4.17%) KDB
5 1 (4.17%) Looker
5 1 (4.17%) Oracle BI Publisher
5 1 (4.17%) Oracle Reports
Development Applications
1 6 (25.00%) JIRA
2 4 (16.67%) Git
2 4 (16.67%) RStudio
3 1 (4.17%) Cucumber
3 1 (4.17%) JMeter
3 1 (4.17%) Selenium
3 1 (4.17%) WebDriver
General
1 9 (37.50%) Social Skills
2 8 (33.33%) Analytical Skills
3 5 (20.83%) Finance
4 2 (8.33%) Banking
4 2 (8.33%) Manufacturing
4 2 (8.33%) Public Sector
4 2 (8.33%) Retail
5 1 (4.17%) Automotive
5 1 (4.17%) Billing
5 1 (4.17%) Financial Institution
5 1 (4.17%) Front Office
5 1 (4.17%) Marketing
Job Titles
1 6 (25.00%) Analyst
2 5 (20.83%) Data Analyst
3 4 (16.67%) Data Engineer
4 3 (12.50%) Junior
5 2 (8.33%) Administrator
5 2 (8.33%) Architect
5 2 (8.33%) Consultant
5 2 (8.33%) Data Administrator
5 2 (8.33%) Developer
5 2 (8.33%) Enterprise Architect
5 2 (8.33%) Junior Architect
5 2 (8.33%) SAP Administrator
5 2 (8.33%) SAP Analyst
5 2 (8.33%) SAP Data Analyst
6 1 (4.17%) Business Data Analyst
6 1 (4.17%) CRM Developer
6 1 (4.17%) Data Migration Consultant
6 1 (4.17%) Dynamics CRM Developer
6 1 (4.17%) Java Engineer
6 1 (4.17%) Junior Analyst
Libraries, Frameworks & Software Standards
1 6 (25.00%) JSON
2 4 (16.67%) pydantic
2 4 (16.67%) PySpark
2 4 (16.67%) YAML
3 2 (8.33%) CSS
3 2 (8.33%) HTML
3 2 (8.33%) REST
3 2 (8.33%) SOAP
4 1 (4.17%) .NET
4 1 (4.17%) Gherkin
4 1 (4.17%) jQuery
4 1 (4.17%) Middleware
4 1 (4.17%) Plotly
4 1 (4.17%) Spring
4 1 (4.17%) Web Services
4 1 (4.17%) XML
Miscellaneous
1 4 (16.67%) Linux Command Line
1 4 (16.67%) Reference Data
2 2 (8.33%) Algorithms
2 2 (8.33%) Enterprise Software
2 2 (8.33%) Private Cloud
2 2 (8.33%) Product Ownership
2 2 (8.33%) Public Cloud
2 2 (8.33%) Replication
3 1 (4.17%) Derivative
3 1 (4.17%) Fixed Income
3 1 (4.17%) Foreign Exchange (FX)
3 1 (4.17%) Interest Rate Derivative
3 1 (4.17%) Legacy Systems
3 1 (4.17%) Low-Code
3 1 (4.17%) Team-Oriented Environment
Operating Systems
1 6 (25.00%) Linux
2 2 (8.33%) Unix
3 1 (4.17%) Red Hat Enterprise Linux
Processes & Methodologies
1 14 (58.33%) Problem-Solving
2 8 (33.33%) Agile
2 8 (33.33%) Data Analysis
3 6 (25.00%) Data Management
4 5 (20.83%) User Acceptance Testing
5 4 (16.67%) Business Intelligence
5 4 (16.67%) Data Ingestion
5 4 (16.67%) Data Pipeline
5 4 (16.67%) Data Security
5 4 (16.67%) Scaled Agile Framework
5 4 (16.67%) Scrum
5 4 (16.67%) Software Engineering
6 3 (12.50%) Analytics
6 3 (12.50%) Business Transformation
6 3 (12.50%) Continuous Integration
6 3 (12.50%) Data Migration
6 3 (12.50%) Migration
6 3 (12.50%) SDLC
7 2 (8.33%) System Testing
7 2 (8.33%) Time Management
Programming Languages
1 18 (75.00%) SQL
2 8 (33.33%) Python
3 4 (16.67%) Bash
3 4 (16.67%) Scala
4 3 (12.50%) JavaScript
5 2 (8.33%) Shell Script
6 1 (4.17%) C#
6 1 (4.17%) Java
6 1 (4.17%) R
Qualifications
1 4 (16.67%) Security Cleared
2 2 (8.33%) Computer Science Degree
2 2 (8.33%) Degree
2 2 (8.33%) SC Cleared
Quality Assurance & Compliance
1 5 (20.83%) GDPR
2 2 (8.33%) Accessibility
2 2 (8.33%) Data Quality
2 2 (8.33%) QA
Systems Management
1 2 (8.33%) Ansible
Vendors
1 5 (20.83%) Oracle
2 4 (16.67%) Databricks
2 4 (16.67%) Microsoft
3 3 (12.50%) SAP
4 2 (8.33%) Red Hat
5 1 (4.17%) Google
5 1 (4.17%) ION Trading
5 1 (4.17%) OutSystems
5 1 (4.17%) Salesforce
5 1 (4.17%) Workday
5 1 (4.17%) Zuora