Data Structures Contracts 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 30 April 2025, comparing them to the same period in the previous two years.

6 months to
30 Apr 2025
Same period 2024 Same period 2023
Rank 213 225 253
Rank change year-on-year +12 +28 -41
Contract jobs citing Data Structures 142 172 266
As % of all contract jobs advertised in London 1.13% 0.96% 0.98%
As % of the Miscellaneous category 3.15% 2.91% 2.74%
Number of daily rates quoted 98 113 191
10th Percentile £350 £425 £430
25th Percentile £413 £507 £519
Median daily rate (50th Percentile) £575 £650 £635
Median % change year-on-year -11.54% +2.36% -3.79%
75th Percentile £708 £738 £825
90th Percentile £775 £835 £1,000
England median daily rate £545 £563 £588
% change year-on-year -3.11% -4.26% -7.84%
Number of hourly rates quoted 1 0 1
10th Percentile - - -
25th Percentile £43.25 - £24.50
Median hourly rate £44.50 - £27.00
75th Percentile £45.75 - £29.50
90th Percentile - - -
England median hourly rate £44.50 £40.50 £79.19
% change year-on-year +9.88% -48.86% +370.81%

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 4,502 5,915 9,702
As % of all contract IT jobs advertised in London 35.86% 33.15% 35.89%
Number of daily rates quoted 3,044 4,191 6,967
10th Percentile £325 £301 £375
25th Percentile £450 £450 £500
Median daily rate (50th Percentile) £575 £585 £600
Median % change year-on-year -1.71% -2.50% -
75th Percentile £738 £725 £749
90th Percentile £850 £850 £838
England median daily rate £548 £550 £575
% change year-on-year -0.45% -4.35% +4.55%
Number of hourly rates quoted 75 161 109
10th Percentile £15.84 £15.50 £18.93
25th Percentile £22.93 £18.93 £21.24
Median hourly rate £34.50 £26.00 £35.00
Median % change year-on-year +32.69% -25.71% -21.35%
75th Percentile £50.50 £46.86 £64.50
90th Percentile £79.81 £67.00 £83.15
England median hourly rate £33.00 £30.00 £22.50
% change year-on-year +10.00% +33.33% -16.67%

Data Structures
Job Vacancy Trend in London

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

Job vacancy trend for Data Structures in London

Data Structures
Contractor Daily Rate Trend in London

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

Daily rate trend for Data Structures in London

Data Structures
Daily Rate Histogram in London

Daily rate distribution for jobs citing Data Structures in London over the 6 months to 30 April 2025.

Daily rate histogram for Data Structures in London

Data Structures
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Data Structures in London

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 30 April 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 +2 23 £600 -8.40% 12
West London +13 1 £625 - 3
East London +12 1 £665 -21.76% 6
South London +3 1 - - 3
North London - 1 - -
Data Structures
England

Data Structures
Co-occurring Skills and Capabilities in 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 9 (6.34%) Apache
1 9 (6.34%) Apache Spark
2 8 (5.63%) Jupyter
3 3 (2.11%) Confluence
4 2 (1.41%) Apache Airflow
5 1 (0.70%) ArcGIS
5 1 (0.70%) CMS
5 1 (0.70%) OpenStack
5 1 (0.70%) Oracle Workflow
5 1 (0.70%) SAS
5 1 (0.70%) Umbraco
Applications
1 10 (7.04%) Microsoft Excel
Business Applications
1 6 (4.23%) Dynamics CRM
1 6 (4.23%) SAP S/4HANA
2 3 (2.11%) Aladdin
3 2 (1.41%) Magento
3 2 (1.41%) Oracle Retail
3 2 (1.41%) SAP CX
3 2 (1.41%) Shopify
4 1 (0.70%) NetSuite
4 1 (0.70%) SAP MDG
4 1 (0.70%) Sparx Enterprise Architect
4 1 (0.70%) Temenos T24
Cloud Services
1 25 (17.61%) Azure
2 24 (16.90%) Power Platform
3 18 (12.68%) AWS
4 16 (11.27%) GCP
5 5 (3.52%) GitHub
5 5 (3.52%) Snowflake
6 4 (2.82%) Amazon S3
6 4 (2.82%) Dynamics 365
6 4 (2.82%) Power Automate
6 4 (2.82%) SaaS
7 3 (2.11%) Amazon Cognito
7 3 (2.11%) Amazon SQS
7 3 (2.11%) AWS Lambda
7 3 (2.11%) dbt
7 3 (2.11%) PowerApps
7 3 (2.11%) Serverless
8 2 (1.41%) Boomi
8 2 (1.41%) Oracle CX
8 2 (1.41%) Salesforce Commerce Cloud
8 2 (1.41%) Vertex AI
Communications & Networking
1 6 (4.23%) SSH
2 3 (2.11%) HTTP
3 2 (1.41%) TCP/IP
4 1 (0.70%) Unified Communications
Database & Business Intelligence
1 21 (14.79%) Power BI
2 17 (11.97%) Relational Database
3 15 (10.56%) DB2
4 14 (9.86%) Data Warehouse
4 14 (9.86%) MongoDB
5 13 (9.15%) SQL Server
6 12 (8.45%) Tableau
7 8 (5.63%) BigQuery
7 8 (5.63%) PostgreSQL
8 7 (4.93%) Apache Hive
8 7 (4.93%) Azure SQL Database
8 7 (4.93%) Delta Lake
9 6 (4.23%) Snowflake Schema
10 5 (3.52%) NoSQL
10 5 (3.52%) Oracle Database
11 4 (2.82%) DynamoDB
11 4 (2.82%) KDB
12 3 (2.11%) Big Data
12 3 (2.11%) MySQL
12 3 (2.11%) Star Schema
Development Applications
1 22 (15.49%) Git
2 13 (9.15%) JIRA
3 12 (8.45%) JUnit
4 6 (4.23%) Postman
4 6 (4.23%) RStudio
5 5 (3.52%) Selenium
6 4 (2.82%) Bitbucket
7 3 (2.11%) Cypress.io
7 3 (2.11%) Jenkins
7 3 (2.11%) Mocha
7 3 (2.11%) Visual Studio Code
8 2 (1.41%) Cucumber
8 2 (1.41%) JMeter
8 2 (1.41%) SoapUI
8 2 (1.41%) WebDriver
9 1 (0.70%) GitLab
9 1 (0.70%) Gradle
9 1 (0.70%) IntelliJ
9 1 (0.70%) MSTest
9 1 (0.70%) Ranorex
General
1 60 (42.25%) Social Skills
2 53 (37.32%) Analytical Skills
3 52 (36.62%) Finance
4 31 (21.83%) Banking
5 17 (11.97%) Investment Banking
6 9 (6.34%) Retail
7 7 (4.93%) Financial Institution
7 7 (4.93%) Marketing
7 7 (4.93%) Public Sector
8 5 (3.52%) Front Office
9 2 (1.41%) Manufacturing
9 2 (1.41%) Telecoms
10 1 (0.70%) Automotive
10 1 (0.70%) Billing
10 1 (0.70%) Corporate Banking
10 1 (0.70%) General Ledger
10 1 (0.70%) Inclusion and Diversity
10 1 (0.70%) Influencing Skills
10 1 (0.70%) Legal
10 1 (0.70%) Pharmaceutical
Job Titles
1 35 (24.65%) Developer
2 24 (16.90%) Senior
3 22 (15.49%) Analyst
4 17 (11.97%) Data Analyst
5 16 (11.27%) Architect
5 16 (11.27%) Data Engineer
5 16 (11.27%) Senior Developer
6 14 (9.86%) Java Developer
7 12 (8.45%) Senior Java Developer
7 12 (8.45%) Software Engineer
7 12 (8.45%) SQL Developer
8 11 (7.75%) Data Architect
8 11 (7.75%) Investment Banking Java Developer
8 11 (7.75%) Lead
8 11 (7.75%) Linux Developer
8 11 (7.75%) Senior Investment Banking Java Developer
8 11 (7.75%) Senior SQL Developer
9 8 (5.63%) Consultant
10 5 (3.52%) Business Analyst
10 5 (3.52%) C++ Software Engineer
Libraries, Frameworks & Software Standards
1 15 (10.56%) Kafka
1 15 (10.56%) REST
1 15 (10.56%) Spring
2 14 (9.86%) JSON
3 11 (7.75%) JMS
4 9 (6.34%) HTML
4 9 (6.34%) SOAP
5 8 (5.63%) CSS
5 8 (5.63%) PySpark
5 8 (5.63%) YAML
6 7 (4.93%) pydantic
7 6 (4.23%) Middleware
7 6 (4.23%) Web Services
8 5 (3.52%) .NET
9 4 (2.82%) HTML5
9 4 (2.82%) Vue
9 4 (2.82%) WebSockets
9 4 (2.82%) XML
10 3 (2.11%) Node.js
10 3 (2.11%) WebRTC
Miscellaneous
1 34 (23.94%) Algorithms
2 12 (8.45%) Reference Data
3 11 (7.75%) Distributed Systems
3 11 (7.75%) Equities
4 10 (7.04%) Enterprise Software
5 9 (6.34%) Hedge funds
5 9 (6.34%) Linux Command Line
6 7 (4.93%) Legacy Systems
7 5 (3.52%) Fixed Income
7 5 (3.52%) Product Ownership
8 4 (2.82%) Self-Motivation
9 3 (2.11%) Clustering
9 3 (2.11%) Mobile App
9 3 (2.11%) Replication
9 3 (2.11%) Vector Graphics
10 2 (1.41%) Derivative
10 2 (1.41%) Foreign Exchange (FX)
10 2 (1.41%) Private Cloud
10 2 (1.41%) Public Cloud
10 2 (1.41%) Virtual Team
Operating Systems
1 33 (23.24%) Linux
2 4 (2.82%) Android
2 4 (2.82%) Unix
3 2 (1.41%) Windows
4 1 (0.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 61 (42.96%) Problem-Solving
2 40 (28.17%) Data Modelling
3 38 (26.76%) Agile
4 31 (21.83%) ETL
5 30 (21.13%) Computer Science
6 22 (15.49%) Data Analysis
6 22 (15.49%) Data Governance
7 21 (14.79%) Software Engineering
8 19 (13.38%) Business Intelligence
8 19 (13.38%) CI/CD
8 19 (13.38%) Migration
9 17 (11.97%) Analytics
9 17 (11.97%) Data Pipeline
9 17 (11.97%) Performance Tuning
9 17 (11.97%) Scrum
10 16 (11.27%) Multithreading
10 16 (11.27%) SDLC
11 15 (10.56%) Decision-Making
11 15 (10.56%) Translating Business Requirements
12 14 (9.86%) Data Migration
Programming Languages
1 66 (46.48%) SQL
2 57 (40.14%) Python
3 36 (25.35%) Java
4 19 (13.38%) JavaScript
5 14 (9.86%) Shell Script
6 11 (7.75%) C++
7 10 (7.04%) Bash
7 10 (7.04%) Scala
8 6 (4.23%) C
9 5 (3.52%) C#
9 5 (3.52%) Kotlin
9 5 (3.52%) R
10 3 (2.11%) ABAP
10 3 (2.11%) TypeScript
11 2 (1.41%) Go
11 2 (1.41%) Rust
12 1 (0.70%) Apex Code
12 1 (0.70%) Data Analysis Expressions
12 1 (0.70%) PowerShell
Qualifications
1 25 (17.61%) Degree
2 18 (12.68%) Computer Science Degree
3 12 (8.45%) Security Cleared
4 11 (7.75%) Master's Degree
5 10 (7.04%) SC Cleared
6 2 (1.41%) MBA
7 1 (0.70%) ACCA
7 1 (0.70%) CIMA
7 1 (0.70%) PhD
Quality Assurance & Compliance
1 19 (13.38%) Data Quality
2 12 (8.45%) GDPR
3 7 (4.93%) Accessibility
4 5 (3.52%) QA
5 2 (1.41%) IFRS
5 2 (1.41%) IFRS 9
5 2 (1.41%) PCI DSS
System Software
1 3 (2.11%) Docker
Systems Management
1 4 (2.82%) Ansible
1 4 (2.82%) Kubernetes
2 1 (0.70%) Cobbler
Vendors
1 17 (11.97%) Oracle
2 15 (10.56%) SAP
3 13 (9.15%) Microsoft
4 11 (7.75%) Sybase
5 9 (6.34%) Databricks
5 9 (6.34%) Google
5 9 (6.34%) Salesforce
6 4 (2.82%) IBM
6 4 (2.82%) Informatica
7 3 (2.11%) Talend
8 2 (1.41%) Adobe
8 2 (1.41%) Dell
8 2 (1.41%) Foundry
8 2 (1.41%) HubSpot
8 2 (1.41%) MuleSoft
8 2 (1.41%) NCR
8 2 (1.41%) Palantir
8 2 (1.41%) Red Hat
8 2 (1.41%) Thunderhead
8 2 (1.41%) VeriFone