Period
to

The table below looks at the prevalence of the term Data Structures in contract job vacancies advertised in England. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Structures over the 6 months to 1 July 2022 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Structures
UK > England
6 months to
1 Jul 2022
Same period 2021 Same period 2020
Rank 263 220 287
Rank change year-on-year -43 +67 +43
Contract jobs citing Data Structures 722 644 313
As % of all contract jobs advertised in England 1.00% 1.23% 0.85%
As % of the Miscellaneous category 3.08% 3.96% 2.73%
Number of daily rates quoted 495 424 208
10th Percentile £430 £400 £369
25th Percentile £508 £463 £425
Median daily rate (50th Percentile) £613 £575 £525
Median % change year-on-year +6.52% +9.52% -
75th Percentile £750 £661 £650
90th Percentile £850 £775 £741
UK median daily rate £600 £553 £525
% change year-on-year +8.60% +5.34% +0.87%
Number of hourly rates quoted 7 6 2
10th Percentile £16.10 £21.63 £29.36
25th Percentile £16.41 £24.75 £33.42
Median hourly rate £20.00 £25.75 £42.46
Median % change year-on-year -22.33% -39.36% -15.08%
75th Percentile £25.70 £27.42 £52.99
90th Percentile £38.14 £39.99 £57.95
UK median hourly rate £20.00 £26.87 £42.46
% change year-on-year -25.55% -36.73% -15.08%

Data Structures is in the General and Transferable Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for generic IT skills.

All Generic Skills
England
Contract vacancies with a requirement for generic IT skills 23,421 16,245 11,449
As % of all contract IT jobs advertised in England 32.51% 31.08% 31.16%
Number of daily rates quoted 16,812 11,012 7,685
10th Percentile £313 £300 £268
25th Percentile £438 £400 £388
Median daily rate (50th Percentile) £550 £500 £500
Median % change year-on-year +10.00% - +5.26%
75th Percentile £675 £619 £600
90th Percentile £775 £713 £716
UK median daily rate £550 £500 £488
% change year-on-year +10.00% +2.56% +2.63%
Number of hourly rates quoted 604 603 407
10th Percentile £14.50 £12.18 £12.60
25th Percentile £17.56 £15.91 £16.00
Median hourly rate £26.50 £25.00 £24.70
Median % change year-on-year +6.00% +1.21% +17.62%
75th Percentile £50.00 £47.58 £46.25
90th Percentile £67.46 £60.00 £53.85
UK median hourly rate £26.98 £24.50 £24.86
% change year-on-year +10.12% -1.43% +19.18%

Data Structures
Job Vacancy Trend in England

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

Job vacancy trend for Data Structures in England

Data Structures
Contractor Daily Rate Trend in England

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

Daily rate trend for Data Structures in England

Data Structures
Daily Rate Histogram in England

Daily rate distribution for jobs citing Data Structures in England over the 6 months to 1 July 2022.

Daily rate histogram for Data Structures in England

Data Structures
Contractor Hourly Rate Trend in England

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

Hourly rate trend for Data Structures in England

Data Structures
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing Data Structures in England over the 6 months to 1 July 2022.

Hourly rate histogram for Data Structures in England

Data Structures
Contract Job Locations in England

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 England region over the 6 months to 1 July 2022. 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
London -58 515 £650 +12.46% 125
South East -12 64 £520 -0.95% 21
Midlands -21 36 £550 +15.79% 18
North of England -32 34 £525 +25.00% 11
West Midlands -19 31 £595 +20.20% 16
North West -22 23 £525 +25.00% 7
South West -16 18 £510 -7.27% 11
East of England -15 15 £518 +15.11% 11
Yorkshire -28 10 £525 +7.69% 3
East Midlands -6 5 £475 +19.50% 2
North East -8 1 - - 1
Data Structures
UK

For the 6 months to 1 July 2022, IT contractor jobs citing Data Structures also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for Data Structures.

1 286 (39.61%) Python
2 263 (36.43%) Agile
3 248 (34.35%) Algorithms
4 221 (30.61%) SQL
5 212 (29.36%) Finance
6 200 (27.70%) Social Skills
7 185 (25.62%) Java
8 164 (22.71%) Analytics
9 149 (20.64%) Analytical Skills
10 146 (20.22%) AWS
11 139 (19.25%) Azure
12 124 (17.17%) Data Modelling
13 122 (16.90%) Git (software)
14 104 (14.40%) OO
15 101 (13.99%) Banking
16 98 (13.57%) Problem-Solving
17 96 (13.30%) JavaScript
18 93 (12.88%) Business Intelligence
19 88 (12.19%) ETL
19 88 (12.19%) Software Engineering
19 88 (12.19%) DevOps
20 87 (12.05%) Computer Science
21 85 (11.77%) CI/CD
22 83 (11.50%) Linux
23 80 (11.08%) React
24 79 (10.94%) Test Automation
25 78 (10.80%) C#
25 78 (10.80%) Oracle
26 76 (10.53%) Data Warehouse
27 72 (9.97%) Multithreading

Data Structures
Co-occurring IT Skills in England by Category

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

Application Platforms
1 55 (7.62%) Apache Spark
2 16 (2.22%) SAS
2 16 (2.22%) Tomcat
3 13 (1.80%) Confluence
4 12 (1.66%) Apache Qpid
5 11 (1.52%) Apache Airflow
5 11 (1.52%) JBoss
6 10 (1.39%) Apache
7 9 (1.25%) CMS
8 7 (0.97%) EPiServer
8 7 (0.97%) SharePoint
9 6 (0.83%) Jupyter
10 5 (0.69%) WebLogic
11 4 (0.55%) Apache Pig
11 4 (0.55%) SharePoint Server
12 3 (0.42%) Luigi
13 2 (0.28%) nginx
13 2 (0.28%) Oracle Application Server
13 2 (0.28%) Oracle SOA Suite
13 2 (0.28%) WebSphere
Applications
1 21 (2.91%) Microsoft Excel
2 10 (1.39%) Oracle Smart View
3 3 (0.42%) Microsoft Office
4 2 (0.28%) Chatbot
4 2 (0.28%) Microsoft PowerPoint
4 2 (0.28%) Spreadsheet
5 1 (0.14%) SPSS
Business Applications
1 12 (1.66%) Payment Gateway
1 12 (1.66%) Shopify
2 6 (0.83%) Oracle Procure-to-Pay
2 6 (0.83%) Sparx Enterprise Architect
3 4 (0.55%) Dynamics CRM
3 4 (0.55%) Oracle ERP
3 4 (0.55%) SAP MDG
4 3 (0.42%) Oracle EBS
4 3 (0.42%) SAP MDM
5 2 (0.28%) Bankmaster
5 2 (0.28%) SAP BPC
5 2 (0.28%) Unit4 Business World
6 1 (0.14%) Cerner Millennium
6 1 (0.14%) NetSuite
6 1 (0.14%) Orchestrade
6 1 (0.14%) Salesforce.com CRM
6 1 (0.14%) SAP HCM
6 1 (0.14%) SAP HR
6 1 (0.14%) Social Studio
6 1 (0.14%) SystmOne
Cloud Services
1 146 (20.22%) AWS
2 139 (19.25%) Azure
3 49 (6.79%) Serverless
4 46 (6.37%) Power Platform
5 43 (5.96%) GCP
6 33 (4.57%) AWS Lambda
7 26 (3.60%) Azure Data Factory
8 24 (3.32%) Amazon Kinesis
9 23 (3.19%) Azure DevOps
10 21 (2.91%) Amazon Cognito
11 20 (2.77%) SaaS
12 17 (2.35%) AWS CloudFormation
12 17 (2.35%) Snowflake
13 15 (2.08%) npm
14 13 (1.80%) PaaS
15 11 (1.52%) NuGet
16 10 (1.39%) Amazon S3
16 10 (1.39%) Azure Functions
16 10 (1.39%) GitHub
16 10 (1.39%) OpenShift
Communications & Networking
1 19 (2.63%) Firewall
2 16 (2.22%) Internet
3 12 (1.66%) DMZ
3 12 (1.66%) DNS
4 10 (1.39%) TCP/IP
5 8 (1.11%) HTTP
6 6 (0.83%) Multicast
7 2 (0.28%) Kerberos
8 1 (0.14%) Broadband
8 1 (0.14%) VPN
Database & Business Intelligence
1 76 (10.53%) Data Warehouse
2 69 (9.56%) Big Data
3 62 (8.59%) SQL Server
4 56 (7.76%) Relational Database
5 52 (7.20%) Metadata
6 45 (6.23%) NoSQL
7 41 (5.68%) Data Lake
8 40 (5.54%) Power BI
9 35 (4.85%) Tableau
10 34 (4.71%) PostgreSQL
11 29 (4.02%) MySQL
12 27 (3.74%) Hadoop
12 27 (3.74%) SQL Server Integration Services
13 22 (3.05%) MongoDB
13 22 (3.05%) Oracle Database
14 21 (2.91%) Oracle Reports
15 20 (2.77%) RDBMS
16 18 (2.49%) Apache Hive
17 16 (2.22%) BigQuery
18 15 (2.08%) HBase
Development Applications
1 122 (16.90%) Git (software)
2 46 (6.37%) Jenkins
2 46 (6.37%) JIRA
3 28 (3.88%) TeamCity
4 22 (3.05%) Maven
4 22 (3.05%) webpack
5 20 (2.77%) Subversion
6 17 (2.35%) GitLab
7 15 (2.08%) Artifactory
8 13 (1.80%) Babel
8 13 (1.80%) PowerDesigner
9 12 (1.66%) git-flow
10 11 (1.52%) ERwin
10 11 (1.52%) MSBuild
11 8 (1.11%) Bitbucket
11 8 (1.11%) Visual Studio
12 7 (0.97%) JUnit
12 7 (0.97%) Mocha
13 6 (0.83%) LSMW
14 5 (0.69%) Cucumber
General
1 212 (29.36%) Finance
2 200 (27.70%) Social Skills
3 149 (20.64%) Analytical Skills
4 101 (13.99%) Banking
5 68 (9.42%) Front Office
6 51 (7.06%) Investment Banking
7 37 (5.12%) Public Sector
8 35 (4.85%) Retail
9 18 (2.49%) Marketing
10 14 (1.94%) Documentation Skills
11 13 (1.80%) Back Office
11 13 (1.80%) Legal
12 10 (1.39%) Financial Institution
12 10 (1.39%) Presentation Skills
13 9 (1.25%) Games
13 9 (1.25%) Organisational Skills
14 7 (0.97%) Manufacturing
15 6 (0.83%) Pharmaceutical
15 6 (0.83%) Telecoms
16 4 (0.55%) Humanities
Job Titles
1 290 (40.17%) Developer
2 84 (11.63%) Analyst
3 72 (9.97%) Architect
4 68 (9.42%) Python Developer
5 66 (9.14%) Java Developer
6 59 (8.17%) Business Analyst
6 59 (8.17%) Data Engineer
7 45 (6.23%) Software Engineer
8 42 (5.82%) Senior Developer
9 36 (4.99%) Data Architect
10 33 (4.57%) Senior Software Engineer
11 32 (4.43%) Senior Java Developer
12 27 (3.74%) Python Engineer
13 26 (3.60%) Consultant
13 26 (3.60%) React Developer
14 24 (3.32%) Data Analyst
15 22 (3.05%) Full Stack Developer
16 20 (2.77%) Azure Engineer
17 19 (2.63%) Business Intelligence Developer
18 18 (2.49%) Financial Analyst
Libraries, Frameworks & Software Standards
1 80 (11.08%) React
2 56 (7.76%) Kafka
3 55 (7.62%) .NET
4 50 (6.93%) Node.js
5 46 (6.37%) HTML
6 45 (6.23%) RESTful
7 39 (5.40%) CSS
8 34 (4.71%) REST
9 32 (4.43%) JSON
10 29 (4.02%) jQuery
11 28 (3.88%) .NET Framework
11 28 (3.88%) Web Services
12 25 (3.46%) XML
13 24 (3.32%) HTML5
14 22 (3.05%) AngularJS
15 21 (2.91%) CSS3
16 20 (2.77%) Redux
17 19 (2.63%) FIX Protocol
17 19 (2.63%) Middleware
18 17 (2.35%) Spring
Miscellaneous
1 248 (34.35%) Algorithms
2 56 (7.76%) Foreign Exchange (FX)
3 34 (4.71%) User Experience
4 31 (4.29%) Derivative
5 29 (4.02%) Management Information System
6 25 (3.46%) Cloud Native
7 20 (2.77%) Virtual Team
8 17 (2.35%) Hedge funds
9 16 (2.22%) Fixed Income
10 13 (1.80%) Data Protection Act
10 13 (1.80%) Public Cloud
11 12 (1.66%) Greenfield Project
12 11 (1.52%) Contract for Difference
12 11 (1.52%) Data Centre
12 11 (1.52%) NHS
13 10 (1.39%) Spread Betting
14 9 (1.25%) Reference Data
15 8 (1.11%) Equities
16 7 (0.97%) Legacy Applications
16 7 (0.97%) Renewable Energy
Operating Systems
1 83 (11.50%) Linux
2 41 (5.68%) Windows
3 34 (4.71%) Unix
4 2 (0.28%) Android
4 2 (0.28%) Windows Server
5 1 (0.14%) Apple iOS
5 1 (0.14%) VME
5 1 (0.14%) VMS
Processes & Methodologies
1 263 (36.43%) Agile
2 164 (22.71%) Analytics
3 124 (17.17%) Data Modelling
4 104 (14.40%) OO
5 98 (13.57%) Problem-Solving
6 93 (12.88%) Business Intelligence
7 88 (12.19%) DevOps
7 88 (12.19%) ETL
7 88 (12.19%) Software Engineering
8 87 (12.05%) Computer Science
9 85 (11.77%) CI/CD
10 79 (10.94%) Test Automation
11 72 (9.97%) Multithreading
12 70 (9.70%) Scrum
13 69 (9.56%) Microservices
14 58 (8.03%) Data Transformation
15 57 (7.89%) Migration
15 57 (7.89%) Stakeholder Management
16 52 (7.20%) Data Analysis
16 52 (7.20%) Data Management
Programming Languages
1 286 (39.61%) Python
2 221 (30.61%) SQL
3 185 (25.62%) Java
4 96 (13.30%) JavaScript
5 78 (10.80%) C#
6 60 (8.31%) C++
7 45 (6.23%) Scala
8 42 (5.82%) TypeScript
9 29 (4.02%) PL/SQL
10 26 (3.60%) R
11 24 (3.32%) Shell Script
12 23 (3.19%) C
13 19 (2.63%) T-SQL
14 18 (2.49%) PHP
15 15 (2.08%) Go
15 15 (2.08%) VBA
16 14 (1.94%) Perl
16 14 (1.94%) SAS Macro
17 13 (1.80%) ES6
18 11 (1.52%) HiveQL
Qualifications
1 72 (9.97%) Degree
2 69 (9.56%) Security Cleared
3 49 (6.79%) SC Cleared
4 37 (5.12%) Computer Science Degree
5 22 (3.05%) Numerate Degree
6 15 (2.08%) DV Cleared
7 6 (0.83%) HND
8 4 (0.55%) MOS
9 3 (0.42%) Master's Degree
10 2 (0.28%) ACCA
10 2 (0.28%) CIMA
10 2 (0.28%) HNC
10 2 (0.28%) ISTQB
10 2 (0.28%) MCSA
10 2 (0.28%) MCSE
10 2 (0.28%) Microsoft Certification
11 1 (0.14%) BPSS Clearance
11 1 (0.14%) ISEB
11 1 (0.14%) PhD
11 1 (0.14%) Sun Certification
Quality Assurance & Compliance
1 38 (5.26%) QA
2 29 (4.02%) Data Quality
3 13 (1.80%) GDPR
4 12 (1.66%) PCI DSS
5 11 (1.52%) Accessibility
6 3 (0.42%) IFRS
7 2 (0.28%) ISO/IEC 27001
7 2 (0.28%) NIST
7 2 (0.28%) PMO
8 1 (0.14%) IFRS 9
8 1 (0.14%) MiFID
8 1 (0.14%) Sarbanes-Oxley
8 1 (0.14%) SLA
System Software
1 57 (7.89%) Docker
2 13 (1.80%) HDFS
3 1 (0.14%) Active Directory
3 1 (0.14%) Oracle RAC
3 1 (0.14%) Virtual Machines
Systems Management
1 65 (9.00%) Kubernetes
2 21 (2.91%) Ansible
3 18 (2.49%) Terraform
4 9 (1.25%) Grafana
5 7 (0.97%) Red Hat Satellite
6 4 (0.55%) Puppet
7 3 (0.42%) Hadoop YARN
7 3 (0.42%) Single Sign-On
8 2 (0.28%) HP Fortify
8 2 (0.28%) Opscode Chef
9 1 (0.14%) Ambari
9 1 (0.14%) Argo
9 1 (0.14%) Istio
9 1 (0.14%) Kibana
Vendors
1 78 (10.80%) Oracle
2 57 (7.89%) Microsoft
3 31 (4.29%) SAP
4 30 (4.16%) Google
5 27 (3.74%) Databricks
6 14 (1.94%) Salesforce.com
7 13 (1.80%) Informatica
8 12 (1.66%) PayPal
8 12 (1.66%) Talend
8 12 (1.66%) WorldPay
9 9 (1.25%) Cloudera
9 9 (1.25%) Splunk
10 8 (1.11%) Alteryx
10 8 (1.11%) Workday
11 7 (0.97%) Red Hat
12 6 (0.83%) Sparx
13 5 (0.69%) IBM
13 5 (0.69%) MuleSoft
13 5 (0.69%) Sun
14 4 (0.55%) Tealium