Data Structures Contract Job Trends in London

Data Structures
England > London

The table below looks at the prevalence of the term Data Structures in contract job vacancies in London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Data Structures over the 6 months leading up to 17 December 2025, comparing them to the same period in the previous two years.

6 months to
17 Dec 2025
Same period 2024 Same period 2023
Rank 183 216 245
Rank change year-on-year +33 +29 +12
Contract jobs citing Data Structures 214 165 159
As % of all contract jobs in London 1.49% 1.08% 0.85%
As % of the Miscellaneous category 3.83% 3.16% 2.51%
Number of daily rates quoted 142 118 112
10th Percentile £400 £343 £463
25th Percentile £425 £413 £513
Median daily rate (50th Percentile) £525 £598 £625
Median % change year-on-year -12.13% -4.40% -3.85%
75th Percentile £688 £711 £775
90th Percentile £750 £825 £838
England median daily rate £525 £550 £600
% change year-on-year -4.55% -8.33% -4.00%
Number of hourly rates quoted 2 0 0
10th Percentile £41.73 - -
25th Percentile £42.44 - -
Median hourly rate £44.75 - -
75th Percentile £46.94 - -
90th Percentile £47.58 - -
England median hourly rate £67.00 - £46.18
% change year-on-year - - +130.90%

All Generic Skills
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 London.

Contract vacancies with a requirement for generic IT skills 5,593 5,220 6,338
As % of all contract IT jobs advertised in London 38.87% 34.32% 33.70%
Number of daily rates quoted 3,589 3,337 4,514
10th Percentile £338 £325 £325
25th Percentile £431 £450 £463
Median daily rate (50th Percentile) £550 £575 £588
Median % change year-on-year -4.35% -2.13% -2.08%
75th Percentile £675 £713 £725
90th Percentile £800 £850 £825
England median daily rate £513 £550 £550
% change year-on-year -6.68% - -4.35%
Number of hourly rates quoted 129 66 106
10th Percentile £17.50 £17.25 £18.86
25th Percentile £18.87 £23.98 £19.99
Median hourly rate £25.15 £34.50 £30.00
Median % change year-on-year -27.10% +15.00% -12.82%
75th Percentile £45.95 £55.94 £49.68
90th Percentile £66.50 £80.75 £65.93
England median hourly rate £28.06 £37.50 £43.92
% change year-on-year -25.17% -14.62% +25.39%

Data Structures
Job Vacancy Trend in London

Historical trend showing the proportion of contract IT job postings citing Data Structures relative to all contract IT jobs advertised in London.

Data Structures job vacancy trend in London

Data Structures
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing Data Structures.

Contractor daily rate distribution trend for jobs in London citing Data Structures

Data Structures
Daily Rate Histogram in London

Daily rate distribution for jobs citing Data Structures in London over the 6 months to 17 December 2025.

Daily rate histogram for Data Structures in London

Data Structures
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing Data Structures.

Contractor hourly rate distribution trend for jobs in London citing Data Structures

Data Structures
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Structures within the London region over the 6 months to 17 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London +16 33 £575 -9.09% 13
South London -1 3 £775 - 3
North London - 2 £600 -
Data Structures
England

Data Structures
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 5 (2.34%) Apache Airflow
1 5 (2.34%) Jupyter
2 3 (1.40%) Apache
2 3 (1.40%) SharePoint
3 2 (0.93%) Apache Spark
3 2 (0.93%) CMS
3 2 (0.93%) Confluence
3 2 (0.93%) SAS
4 1 (0.47%) ArcGIS
4 1 (0.47%) CICS
4 1 (0.47%) Luigi
4 1 (0.47%) Mendix
4 1 (0.47%) Oracle Application Server
4 1 (0.47%) Oracle Workflow
Applications
1 19 (8.88%) Microsoft Excel
2 7 (3.27%) MS Visio
3 6 (2.80%) Microsoft PowerPoint
4 2 (0.93%) Microsoft Project
5 1 (0.47%) Spreadsheet
Business Applications
1 8 (3.74%) SAP S/4HANA
1 8 (3.74%) Sparx Enterprise Architect
2 5 (2.34%) Oracle ERP
3 3 (1.40%) Oracle Receivables
3 3 (1.40%) Temenos T24
4 2 (0.93%) Dynamics CRM
4 2 (0.93%) FIS Private Capital Suite
4 2 (0.93%) Oracle Assets
4 2 (0.93%) Oracle Cash Management
4 2 (0.93%) Oracle General Ledger
4 2 (0.93%) Oracle Procure-to-Pay
4 2 (0.93%) SAP CO
4 2 (0.93%) SAP FI
4 2 (0.93%) SAP FI/CO
4 2 (0.93%) Unit4 Business World
5 1 (0.47%) Aladdin
5 1 (0.47%) Elite 3E
5 1 (0.47%) Endur
5 1 (0.47%) Oracle EBS
5 1 (0.47%) SAP IBP
Cloud Services
1 38 (17.76%) Azure
2 27 (12.62%) Power Platform
3 26 (12.15%) AWS
4 25 (11.68%) GCP
5 21 (9.81%) Snowflake
6 13 (6.07%) Azure Data Factory
7 12 (5.61%) Azure Synapse Analytics
8 6 (2.80%) Azure DevOps
8 6 (2.80%) Collibra
9 5 (2.34%) dbt
9 5 (2.34%) Dynamics 365
9 5 (2.34%) GitHub
9 5 (2.34%) Serverless
9 5 (2.34%) Vertex AI
10 4 (1.87%) Power Automate
10 4 (1.87%) PowerApps
11 3 (1.40%) Azure Functions
11 3 (1.40%) Azure Logic Apps
11 3 (1.40%) Intacct
11 3 (1.40%) Microsoft 365
Communications & Networking
1 2 (0.93%) tcpdump
Database & Business Intelligence
1 23 (10.75%) Metadata
1 23 (10.75%) Relational Database
2 22 (10.28%) Power BI
3 18 (8.41%) MongoDB
4 17 (7.94%) DB2
5 16 (7.48%) Data Vault
6 15 (7.01%) Data Warehouse
7 13 (6.07%) NoSQL
8 11 (5.14%) Snowflake Schema
9 9 (4.21%) KDB
10 8 (3.74%) Kdb+
10 8 (3.74%) SQL Server
10 8 (3.74%) Tableau
11 7 (3.27%) BigQuery
12 6 (2.80%) Data Lake
13 5 (2.34%) PostgreSQL
13 5 (2.34%) Star Schema
14 4 (1.87%) Azure SQL Database
14 4 (1.87%) MemSQL
14 4 (1.87%) Sybase IQ
Development Applications
1 18 (8.41%) JIRA
2 14 (6.54%) ERwin
3 12 (5.61%) JUnit
4 11 (5.14%) PowerDesigner
5 10 (4.67%) Git
6 9 (4.21%) ER Studio
7 8 (3.74%) Jenkins
8 3 (1.40%) JMeter
8 3 (1.40%) Selenium
8 3 (1.40%) TeamCity
9 2 (0.93%) CocoaPods
9 2 (0.93%) Crashlytics
9 2 (0.93%) Cucumber
9 2 (0.93%) Cypress.io
9 2 (0.93%) fastlane
9 2 (0.93%) GoCD
9 2 (0.93%) Gradle
9 2 (0.93%) SonarQube
9 2 (0.93%) WebDriver
9 2 (0.93%) Xcode
General
1 78 (36.45%) Finance
2 69 (32.24%) Social Skills
3 54 (25.23%) Analytical Skills
4 36 (16.82%) Banking
5 18 (8.41%) Investment Banking
6 15 (7.01%) Front Office
7 13 (6.07%) Public Sector
8 9 (4.21%) Documentation Skills
9 7 (3.27%) Retail
10 5 (2.34%) Marketing
11 4 (1.87%) Back Office
11 4 (1.87%) Financial Institution
11 4 (1.87%) Local Government
11 4 (1.87%) Presentation Skills
12 3 (1.40%) Legal
13 2 (0.93%) Billing
13 2 (0.93%) General Ledger
13 2 (0.93%) Inclusion and Diversity
13 2 (0.93%) Law
14 1 (0.47%) Influencing Skills
Job Titles
1 75 (35.05%) Developer
2 34 (15.89%) Analyst
3 28 (13.08%) Java Developer
4 25 (11.68%) Linux Developer
5 24 (11.21%) Senior
6 19 (8.88%) Data Analyst
6 19 (8.88%) Data Modeller
7 18 (8.41%) Business Analyst
7 18 (8.41%) Python Developer
8 17 (7.94%) Senior Developer
9 16 (7.48%) Architect
9 16 (7.48%) Data Engineer
10 13 (6.07%) Data Architect
11 12 (5.61%) Investment Banking Java Developer
11 12 (5.61%) Senior Investment Banking Java Developer
11 12 (5.61%) Senior Java Developer
11 12 (5.61%) Senior SQL Developer
11 12 (5.61%) SQL Developer
12 11 (5.14%) Lead
13 10 (4.67%) Quantitative Developer
Libraries, Frameworks & Software Standards
1 17 (7.94%) Kafka
2 14 (6.54%) Spring
3 12 (5.61%) JMS
4 10 (4.67%) React
5 7 (3.27%) CSS
5 7 (3.27%) HTML
5 7 (3.27%) PySpark
5 7 (3.27%) REST
5 7 (3.27%) RESTful
6 6 (2.80%) FIX Protocol
6 6 (2.80%) XML
7 5 (2.34%) JSON
7 5 (2.34%) Matplotlib
7 5 (2.34%) scikit-learn
7 5 (2.34%) Swagger
7 5 (2.34%) XGBoost
8 4 (1.87%) AngularJS
8 4 (1.87%) Pandas
9 3 (1.40%) Gherkin
9 3 (1.40%) Web Services
Miscellaneous
1 49 (22.90%) Algorithms
2 22 (10.28%) Equities
3 16 (7.48%) Legacy Systems
4 13 (6.07%) Fixed Income
5 11 (5.14%) Foreign Exchange (FX)
6 8 (3.74%) Product Ownership
6 8 (3.74%) Reinsurance
7 6 (2.80%) Enterprise Software
7 6 (2.80%) Management Information System
8 5 (2.34%) Linux Command Line
9 4 (1.87%) Derivative
9 4 (1.87%) Distributed Systems
9 4 (1.87%) Greenfield Project
9 4 (1.87%) Mobile App
9 4 (1.87%) Reference Data
10 3 (1.40%) Analytical Mindset
11 2 (0.93%) Data Fabric
11 2 (0.93%) Data Protection Act
11 2 (0.93%) Life Science
11 2 (0.93%) Self-Motivation
Operating Systems
1 34 (15.89%) Linux
2 5 (2.34%) Unix
3 2 (0.93%) Android
3 2 (0.93%) Apple iOS
4 1 (0.47%) Windows
4 1 (0.47%) zOS
Processes & Methodologies
1 74 (34.58%) Problem-Solving
2 70 (32.71%) Data Modelling
3 61 (28.50%) Analytics
4 60 (28.04%) Agile
5 39 (18.22%) Data Governance
6 38 (17.76%) Multithreading
7 37 (17.29%) Migration
8 34 (15.89%) Business Intelligence
8 34 (15.89%) ETL
9 31 (14.49%) Computer Science
10 30 (14.02%) Validation
11 29 (13.55%) Data Migration
12 24 (11.21%) Data Analysis
12 24 (11.21%) Low Latency
12 24 (11.21%) Software Engineering
13 23 (10.75%) CI/CD
13 23 (10.75%) Data Mapping
14 21 (9.81%) Data Management
14 21 (9.81%) Physical Data Model
14 21 (9.81%) Scrum
Programming Languages
1 76 (35.51%) Python
2 73 (34.11%) SQL
3 40 (18.69%) Java
4 17 (7.94%) JavaScript
5 16 (7.48%) Shell Script
6 12 (5.61%) C++
7 8 (3.74%) TypeScript
8 7 (3.27%) Go
8 7 (3.27%) R
9 6 (2.80%) C#
10 4 (1.87%) Data Analysis Expressions
11 3 (1.40%) Kotlin
11 3 (1.40%) PL/SQL
12 2 (0.93%) Korn
12 2 (0.93%) Objective-C
12 2 (0.93%) Rust
12 2 (0.93%) Scala
12 2 (0.93%) Swift
12 2 (0.93%) VBA
13 1 (0.47%) ANSI SQL
Qualifications
1 19 (8.88%) Degree
2 15 (7.01%) Security Cleared
3 11 (5.14%) SC Cleared
4 10 (4.67%) Computer Science Degree
5 3 (1.40%) Master's Degree
6 2 (0.93%) Azure Certification
6 2 (0.93%) CIMA
6 2 (0.93%) DV Cleared
7 1 (0.47%) ACCA
7 1 (0.47%) ISTQB
7 1 (0.47%) ISTQB Foundation Certification
7 1 (0.47%) Microsoft Certification
7 1 (0.47%) Numerate Degree
7 1 (0.47%) PMI Certification
7 1 (0.47%) PMP
Quality Assurance & Compliance
1 55 (25.70%) Data Quality
2 11 (5.14%) GDPR
3 10 (4.67%) QA
4 8 (3.74%) Accessibility
5 3 (1.40%) WCAG
6 2 (0.93%) HIPAA
6 2 (0.93%) PMO
7 1 (0.47%) HL7
7 1 (0.47%) IFRS
7 1 (0.47%) ISO 20022
7 1 (0.47%) SLA
System Software
1 5 (2.34%) Docker
Systems Management
1 11 (5.14%) Kubernetes
2 4 (1.87%) Terraform
3 3 (1.40%) Ansible
4 2 (0.93%) rkt
4 2 (0.93%) Single Sign-On
5 1 (0.47%) HP ALM
5 1 (0.47%) Puppet
Vendors
1 23 (10.75%) Microsoft
2 19 (8.88%) SAP
3 18 (8.41%) Databricks
4 12 (5.61%) Oracle
4 12 (5.61%) Sybase
5 8 (3.74%) Sparx
6 6 (2.80%) Google
7 5 (2.34%) Charles River
8 4 (1.87%) Adaptive Insights
9 3 (1.40%) Avaloq
9 3 (1.40%) GoldenSource
9 3 (1.40%) IBM
9 3 (1.40%) Informatica
9 3 (1.40%) Sage
9 3 (1.40%) Temenos
9 3 (1.40%) Workday
10 2 (0.93%) MuleSoft
10 2 (0.93%) Palantir
10 2 (0.93%) ServiceNow
10 2 (0.93%) Yardi