Period
to 23 September 2020

The table below looks at the prevalence of the term Data Structures in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Structures over the 6 months to 23 September 2020 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
6 months to
23 Sep 2020
Same period 2019 Same period 2018
Rank 288 349 347
Rank change year-on-year +61 -2 -50
Contract jobs citing Data Structures 233 627 759
As % of all contract jobs advertised in the UK 0.78% 0.71% 0.75%
As % of the Miscellaneous category 2.32% 2.27% 2.31%
Number of daily rates quoted 163 423 487
Median daily rate £500 £525 £500
Median daily rate % change year-on-year -4.76% +5.00% +11.11%
10th Percentile £330 £350 £356
90th Percentile £711 £713 £675
UK excluding London median daily rate £455 £450 £438
% change year-on-year +1.11% +2.86% +6.06%
Number of hourly rates quoted 2 10 8
Median hourly rate £39.50 £47.50 £37.09
Median hourly rate % change year-on-year -16.84% +28.07% +5.97%
10th Percentile £24.05 £32.68 £20.70
90th Percentile £57.35 £72.50 £55.00
UK excluding London median hourly rate £57.50 £52.50 £44.75
% change year-on-year +9.52% +17.32% +27.86%

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

All Generic IT Skills
UK
Contract vacancies with a requirement for generic IT skills 10,062 27,599 32,833
As % of all contract IT jobs advertised in the UK 33.87% 31.37% 32.46%
Number of daily rates quoted 6,351 17,489 21,247
Median daily rate £478 £475 £473
Median daily rate % change year-on-year +0.53% +0.53% +5.00%
10th Percentile £263 £269 £275
90th Percentile £725 £675 £650
UK excluding London median daily rate £425 £425 £420
% change year-on-year - +1.19% +5.00%
Number of hourly rates quoted 452 1,033 1,029
Median hourly rate £34.13 £22.00 £20.00
Median hourly rate % change year-on-year +55.11% +10.00% -3.40%
10th Percentile £13.50 £11.64 £12.25
90th Percentile £55.00 £53.75 £50.00
Median hourly rate £26.89 £20.75 £19.00
% change year-on-year +29.57% +9.21% -5.00%

Data Structures
Job Vacancy Trend

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

Job vacancy trend for Data Structures in the UK

Data Structures
Contractor Daily Rate Trend

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

Daily rate trend for Data Structures in the UK

Data Structures
Daily Rate Histogram

Daily rate distribution for jobs citing Data Structures over the 6 months to 23 September 2020.

Daily rate histogram for Data Structures in the UK

Data Structures
Contractor Hourly Rate Trend

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

Hourly rate trend for Data Structures in the UK

Data Structures
Hourly Rate Histogram

Hourly rate distribution of jobs citing Data Structures over the 6 months to 23 September 2020.

Hourly rate histogram for Data Structures in the UK

Data Structures
Top 16 Contract Locations

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 UK over the 6 months to 23 September 2020. 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
Job
Vacancies
England +64 211 £525 - 151
London +26 119 £600 +9.09% 98
UK excluding London +152 94 £455 +1.11% 56
Work from Home -45 30 £463 -31.48% 47
South East +138 24 £450 +1.41% 14
North of England +122 24 £575 +47.44% 22
North West +93 17 £575 +60.84% 3
South West +88 16 £440 -13.09% 4
East of England +74 16 £575 +27.78% 6
Midlands +99 7 £315 -34.55% 7
Yorkshire +71 6 £434 +2.06% 13
East Midlands +58 4 £315 -38.08% 3
Northern Ireland +17 4 £431 -
West Midlands +78 3 £538 +13.16% 4
Scotland +57 3 £367 -18.56% 2
North East +34 1 - - 6

For the 6 months to 23 September 2020, 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 with a requirement for Data Structures.

1 89 (38.20%) Agile Software Development
2 83 (35.62%) Java
3 76 (32.62%) SQL
4 62 (26.61%) Algorithms
5 59 (25.32%) Data Modelling
6 51 (21.89%) Python
7 48 (20.60%) OO
7 48 (20.60%) Analytics
8 47 (20.17%) Business Intelligence
9 46 (19.74%) JavaScript
10 44 (18.88%) DevOps
11 43 (18.45%) Finance
12 41 (17.60%) Problem-Solving
13 38 (16.31%) Azure
14 37 (15.88%) Analytical Skills
15 33 (14.16%) Multithreading
16 32 (13.73%) AWS
16 32 (13.73%) AngularJS
17 31 (13.30%) Git (software)
18 30 (12.88%) Banking
19 29 (12.45%) Data Analysis
19 29 (12.45%) Scrum
20 28 (12.02%) Linux
20 28 (12.02%) OOD
20 28 (12.02%) Test Automation
20 28 (12.02%) React
20 28 (12.02%) SDLC
21 27 (11.59%) Oracle
22 26 (11.16%) Computer Science
23 25 (10.73%) Jenkins

Data Structures
Co-occurring IT Skills 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 10 (4.29%) Apache Spark
2 9 (3.86%) CMS
2 9 (3.86%) Confluence
3 5 (2.15%) Tomcat
4 4 (1.72%) Apache Airflow
4 4 (1.72%) IIS
4 4 (1.72%) Mule
4 4 (1.72%) SharePoint
5 3 (1.29%) Oracle Workflow
6 2 (0.86%) NetWeaver
6 2 (0.86%) WebSphere
7 1 (0.43%) Apache
7 1 (0.43%) Elasticsearch
7 1 (0.43%) Headless CMS
7 1 (0.43%) Jupyter
7 1 (0.43%) Luigi
7 1 (0.43%) MQSeries
7 1 (0.43%) OpenStack
7 1 (0.43%) Oracle SOA Suite
7 1 (0.43%) SAS
Applications
1 6 (2.58%) Microsoft Excel
2 4 (1.72%) MS Visio
3 3 (1.29%) Microsoft Office
4 1 (0.43%) Microsoft PowerPoint
Business Applications
1 5 (2.15%) SAP APO
2 3 (1.29%) Primavera
2 3 (1.29%) SAP S/4HANA
2 3 (1.29%) SAP SD
3 2 (0.86%) Advent Geneva
3 2 (0.86%) SAP BPC
4 1 (0.43%) Cognos TM1
4 1 (0.43%) Dynamics CRM
4 1 (0.43%) FINCAD Analytics
4 1 (0.43%) Maximo
4 1 (0.43%) NetSuite
4 1 (0.43%) Oracle EBS
4 1 (0.43%) Payment Gateway
4 1 (0.43%) Salesforce.com CRM
4 1 (0.43%) SAP MM
4 1 (0.43%) SAP PP
4 1 (0.43%) StreamServe
4 1 (0.43%) Unit4 Business World
Cloud Services
1 38 (16.31%) Azure
2 32 (13.73%) AWS
3 22 (9.44%) Cloud Computing
4 21 (9.01%) Power Platform
5 14 (6.01%) Amazon S3
6 13 (5.58%) Serverless
7 9 (3.86%) Amazon SQS
8 7 (3.00%) PowerApps
9 6 (2.58%) Azure Data Factory
9 6 (2.58%) Google Play
10 5 (2.15%) Amazon EC2
10 5 (2.15%) Amazon EMR
10 5 (2.15%) Dynamics 365
10 5 (2.15%) GCP
10 5 (2.15%) npm
11 3 (1.29%) AWS CloudFormation
11 3 (1.29%) AWS Lambda
11 3 (1.29%) Azure Functions
11 3 (1.29%) Office 365
11 3 (1.29%) PaaS
Communications & Networking
1 4 (1.72%) Internet
2 3 (1.29%) TCP/IP
3 2 (0.86%) WebEx
4 1 (0.43%) Firewall
4 1 (0.43%) RS-232
4 1 (0.43%) Skype
Database & Business Intelligence
1 25 (10.73%) Data Warehouse
2 24 (10.30%) Relational Database
3 21 (9.01%) Data Lake
3 21 (9.01%) NoSQL
3 21 (9.01%) Power BI
4 20 (8.58%) Big Data
5 17 (7.30%) SQL Server
6 14 (6.01%) Amazon RDS
7 13 (5.58%) Amazon Redshift
8 12 (5.15%) Amazon Aurora
9 11 (4.72%) PostgreSQL
10 10 (4.29%) Hadoop
11 9 (3.86%) SQL Server Integration Services
12 8 (3.43%) MongoDB
12 8 (3.43%) RDBMS
12 8 (3.43%) Redis
13 7 (3.00%) MySQL
14 6 (2.58%) BusinessObjects Business Intelligence
14 6 (2.58%) Qlik Sense
14 6 (2.58%) Star Schema
Development Applications
1 31 (13.30%) Git (software)
2 25 (10.73%) Jenkins
3 12 (5.15%) JIRA
4 9 (3.86%) Maven
4 9 (3.86%) Sonatype Nexus
5 7 (3.00%) Ant
5 7 (3.00%) Gradle
5 7 (3.00%) Selenium
6 5 (2.15%) Android Studio
6 5 (2.15%) ER Studio
6 5 (2.15%) ERwin
6 5 (2.15%) JUnit
7 4 (1.72%) CA Release Automation
7 4 (1.72%) HP UFT
7 4 (1.72%) IntelliJ
7 4 (1.72%) Mockito
7 4 (1.72%) NetBeans
7 4 (1.72%) SonarQube
7 4 (1.72%) Subversion
7 4 (1.72%) webpack
General
1 43 (18.45%) Finance
2 30 (12.88%) Banking
3 25 (10.73%) Front Office
4 16 (6.87%) Investment Banking
5 13 (5.58%) Public Sector
6 12 (5.15%) Manufacturing
7 5 (2.15%) Marketing
7 5 (2.15%) Telecoms
8 4 (1.72%) Pharmaceutical
8 4 (1.72%) Retail
9 3 (1.29%) Games
10 2 (0.86%) Law
10 2 (0.86%) Legal
10 2 (0.86%) Local Government
10 2 (0.86%) Retail Banking
11 1 (0.43%) Electronics
11 1 (0.43%) Publishing
Job Titles
1 109 (46.78%) Developer
2 40 (17.17%) Java Developer
3 20 (8.58%) Architect
4 19 (8.15%) Data Engineer
5 17 (7.30%) Data Architect
6 12 (5.15%) Consultant
7 11 (4.72%) Analyst
8 10 (4.29%) Front End Developer (Client-Side Developer)
8 10 (4.29%) Investment Banking Java Developer
8 10 (4.29%) Senior Developer
9 9 (3.86%) Python Developer
10 8 (3.43%) C# Developer
11 7 (3.00%) Data Modeller
11 7 (3.00%) Salesforce Developer
12 6 (2.58%) Administrator
12 6 (2.58%) Azure Engineer
12 6 (2.58%) Business Analyst
12 6 (2.58%) Full Stack Developer
12 6 (2.58%) Senior Java Developer
13 5 (2.15%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 32 (13.73%) AngularJS
2 28 (12.02%) React
3 21 (9.01%) Web Services
4 20 (8.58%) REST
5 18 (7.73%) .NET
6 17 (7.30%) HTML
7 16 (6.87%) CSS
7 16 (6.87%) FIX Protocol
8 14 (6.01%) Node.js
9 13 (5.58%) Kafka
10 12 (5.15%) SOAP
11 11 (4.72%) jQuery
12 10 (4.29%) Spring
13 9 (3.86%) .NET Core
13 9 (3.86%) .NET Framework
13 9 (3.86%) JSON
13 9 (3.86%) RESTful
13 9 (3.86%) Twitter Bootstrap
13 9 (3.86%) XML
14 8 (3.43%) Redux
Miscellaneous
1 62 (26.61%) Algorithms
2 37 (15.88%) Analytical Skills
3 21 (9.01%) Foreign Exchange (FX)
4 17 (7.30%) Management Information System
5 12 (5.15%) User Experience
6 8 (3.43%) Enterprise Software
6 8 (3.43%) FMCG
6 8 (3.43%) Greenfield Project
7 7 (3.00%) Fixed Income
8 5 (2.15%) Derivative
9 4 (1.72%) Blog
9 4 (1.72%) CMDB
10 3 (1.29%) Credit Risk
10 3 (1.29%) Media Streaming
10 3 (1.29%) Mobile Banking
10 3 (1.29%) NHS
10 3 (1.29%) Reference Data
10 3 (1.29%) Replication
11 2 (0.86%) Equities
11 2 (0.86%) Video Conferencing
Operating Systems
1 28 (12.02%) Linux
2 9 (3.86%) Unix
3 6 (2.58%) Android
4 4 (1.72%) Windows
5 3 (1.29%) Apple iOS
Processes & Methodologies
1 89 (38.20%) Agile Software Development
2 59 (25.32%) Data Modelling
3 48 (20.60%) Analytics
3 48 (20.60%) OO
4 47 (20.17%) Business Intelligence
5 44 (18.88%) DevOps
6 41 (17.60%) Problem-Solving
7 33 (14.16%) Multithreading
8 29 (12.45%) Data Analysis
8 29 (12.45%) Scrum
9 28 (12.02%) OOD
9 28 (12.02%) SDLC
9 28 (12.02%) Test Automation
10 26 (11.16%) Computer Science
11 25 (10.73%) ETL
11 25 (10.73%) Software Engineering
12 23 (9.87%) Low Latency
13 22 (9.44%) Continuous Integration
13 22 (9.44%) Data Architecture
13 22 (9.44%) Visualisation
Programming Languages
1 83 (35.62%) Java
2 76 (32.62%) SQL
3 51 (21.89%) Python
4 46 (19.74%) JavaScript
5 23 (9.87%) C#
6 14 (6.01%) C++
7 12 (5.15%) T-SQL
8 10 (4.29%) Scala
9 8 (3.43%) TypeScript
10 7 (3.00%) Apex Code
10 7 (3.00%) C
11 5 (2.15%) Apple Swift
11 5 (2.15%) Objective-C
12 4 (1.72%) ABAP
12 4 (1.72%) Java 8
12 4 (1.72%) PL/SQL
12 4 (1.72%) R
13 3 (1.29%) Bash Shell
13 3 (1.29%) Kotlin
13 3 (1.29%) PHP
Qualifications
1 19 (8.15%) Degree
2 10 (4.29%) Security Cleared
3 8 (3.43%) Computer Science Degree
3 8 (3.43%) SC Cleared
4 3 (1.29%) ISEB
4 3 (1.29%) Numerate Degree
5 2 (0.86%) DV Cleared
5 2 (0.86%) ITIL Certification
5 2 (0.86%) Master's Degree
5 2 (0.86%) PhD
5 2 (0.86%) SAP Certification
6 1 (0.43%) CISM
Quality Assurance & Compliance
1 14 (6.01%) QA
2 13 (5.58%) Data Quality
3 2 (0.86%) GDPR
4 1 (0.43%) COBIT
4 1 (0.43%) Cyber Essentials
4 1 (0.43%) Cyber Essentials PLUS
4 1 (0.43%) GxP
4 1 (0.43%) ISO 9001
4 1 (0.43%) ISO/IEC 27001
4 1 (0.43%) NCSC
System Software
1 14 (6.01%) Docker
Systems Management
1 17 (7.30%) Kubernetes
2 9 (3.86%) Terraform
3 7 (3.00%) Opscode Chef
3 7 (3.00%) Puppet
4 3 (1.29%) Ansible
5 1 (0.43%) Control-M
5 1 (0.43%) Istio
5 1 (0.43%) Rundeck
5 1 (0.43%) Single Sign-On
Vendors
1 27 (11.59%) Oracle
2 25 (10.73%) Microsoft
3 21 (9.01%) SAP
4 14 (6.01%) Talend
5 10 (4.29%) Salesforce.com
6 8 (3.43%) Google
7 7 (3.00%) Tableau
8 6 (2.58%) Apple
9 5 (2.15%) Atlassian
10 4 (1.72%) CA Agile Central
10 4 (1.72%) Databricks
10 4 (1.72%) DevExpress
10 4 (1.72%) Informatica
10 4 (1.72%) ServiceNow
10 4 (1.72%) Splunk
11 3 (1.29%) Bloomberg
11 3 (1.29%) MuleSoft
11 3 (1.29%) Sybase
12 2 (0.86%) Advent
12 2 (0.86%) Alteryx