Period
to 19 July 2018

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 19 July 2018 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
19 Jul 2018
Same period 2017 Same period 2016
Rank 335 323 414
Rank change year-on-year -12 +91 -28
Contract jobs citing Data Structures 701 655 557
As % of all contract IT jobs advertised in England 0.74% 0.75% 0.55%
As % of the Miscellaneous category 2.17% 2.17% 1.60%
Number of daily rates quoted 442 451 374
England median daily rate £500 £462 £438
Median daily rate % change year-on-year +8.23% +5.60% +1.33%
10th Percentile £360 £325 £309
90th Percentile £674 £650 £675
UK median daily rate £500 £443 £425
% change year-on-year +12.99% +4.12% -
Number of hourly rates quoted 10 5 19
England median hourly rate £35.75 £35.00 £35.00
Median hourly rate % change year-on-year +2.14% - +55.56%
10th Percentile £18.00 £24.25 £12.05
90th Percentile £73.32 £37.50 £47.10
UK median hourly rate £35.75 £33.75 £35.00
% change year-on-year +5.93% -3.57% +55.56%

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 advertised in England with a requirement for generic IT skills.

All Generic IT Skills
England
Contract vacancies with a requirement for generic IT skills 32,317 30,224 34,771
As % of all contract IT jobs advertised in England 34.24% 34.46% 34.20%
Number of daily rates quoted 21,227 19,757 23,073
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +3.03%
10th Percentile £277 £265 £258
90th Percentile £675 £638 £625
UK median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +6.25%
Number of hourly rates quoted 1,022 1,038 1,140
England median hourly rate £22.93 £19.66 £20.00
Median hourly rate % change year-on-year +16.63% -1.70% +11.11%
10th Percentile £12.00 £11.25 £11.30
90th Percentile £52.50 £50.00 £47.50
UK median hourly rate £22.50 £20.00 £21.00
% change year-on-year +12.50% -4.76% +16.67%

Data Structures
Job Vacancy Trend in England

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

Job vacancy trend for Data Structures in England

Data Structures
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Structures in England.

Contractor daily rate trend for Data Structures in England

Data Structures
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Data Structures in England over the 6 months to 19 July 2018.

Contractor daily rate histogram for Data Structures in England

Data Structures
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Structures in England.

Contractor hourly rate trend for Data Structures in England

Data Structures
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing Data Structures in England over the 6 months to 19 July 2018.

Contractor 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 19 July 2018. 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
London -12 463 £550 +15.79% 149
South East +27 95 £450 +5.88% 27
North of England -45 49 £400 - 21
Midlands -10 37 £380 -10.59% 12
East of England +8 36 £525 +42.86% 13
North West -18 29 £370 -10.30% 9
East Midlands +4 23 £380 -10.59% 6
Yorkshire -43 19 £400 - 10
South West +13 18 £449 -5.53% 20
West Midlands -20 13 £398 -3.05% 6
North East -5 1 £225 -25.00% 2
Data Structures
UK

For the 6 months to 19 July 2018, 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.

1 282 (40.23%) Agile Software Development
2 249 (35.52%) Algorithms
3 232 (33.10%) SQL
4 224 (31.95%) Finance
5 196 (27.96%) Java
6 181 (25.82%) OO
7 151 (21.54%) Python
8 142 (20.26%) JavaScript
9 141 (20.11%) Computer Science
10 128 (18.26%) Analytical Skills
11 126 (17.97%) Amazon AWS
12 110 (15.69%) Problem-Solving
13 108 (15.41%) Data Modelling
14 105 (14.98%) HTML
15 103 (14.69%) CSS
16 99 (14.12%) Git (software)
17 97 (13.84%) Business Intelligence
18 96 (13.69%) Degree
19 94 (13.41%) Analytics
20 89 (12.70%) TDD
21 86 (12.27%) Banking
21 86 (12.27%) Linux
22 85 (12.13%) Multithreading
23 84 (11.98%) Continuous Integration
24 83 (11.84%) Data Warehouse
25 80 (11.41%) SQL Server
25 80 (11.41%) ETL
26 79 (11.27%) Unix
27 78 (11.13%) C#
27 78 (11.13%) OOD

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 42 (5.99%) Apache Spark
2 28 (3.99%) SharePoint
3 27 (3.85%) SAS
4 23 (3.28%) Apache
5 19 (2.71%) Apache Pig
5 19 (2.71%) Tomcat
6 16 (2.28%) Confluence
7 15 (2.14%) Elasticsearch
8 7 (1.00%) CMS
9 6 (0.86%) Cloud Foundry
10 5 (0.71%) Apache Solr
11 4 (0.57%) Ethereum
12 3 (0.43%) JBoss
12 3 (0.43%) Oracle SOA Suite
12 3 (0.43%) WebSphere
13 2 (0.29%) WebLogic
14 1 (0.14%) GemFire
14 1 (0.14%) Hyperledger
14 1 (0.14%) Jetty
14 1 (0.14%) Oracle Service Bus
Applications
1 34 (4.85%) Microsoft Excel
2 11 (1.57%) Microsoft Project
3 8 (1.14%) MS Visio
4 4 (0.57%) InVision
4 4 (0.57%) Microsoft Office
5 2 (0.29%) Adobe Illustrator
5 2 (0.29%) Microsoft PowerPoint
5 2 (0.29%) Photoshop
5 2 (0.29%) S-PLUS
6 1 (0.14%) AutoCAD
6 1 (0.14%) Revit
6 1 (0.14%) Spreadsheet
Business Applications
1 9 (1.28%) SAP ERP
2 6 (0.86%) Markit EDM
3 4 (0.57%) Distributed Ledger
3 4 (0.57%) Salesforce.com CRM
3 4 (0.57%) SAP APO
3 4 (0.57%) SAP EWM
3 4 (0.57%) SAP MDM
3 4 (0.57%) SAP MM
3 4 (0.57%) SAP WM
4 3 (0.43%) Dynamics CRM
4 3 (0.43%) Dynamics NAV
4 3 (0.43%) Oracle Assets
4 3 (0.43%) SAP MDG
5 2 (0.29%) Cognos TM1
5 2 (0.29%) Dynamics AX
5 2 (0.29%) HiPortfolio
5 2 (0.29%) Infor M3
5 2 (0.29%) NetSuite
5 2 (0.29%) Oracle Financials
5 2 (0.29%) Oracle Payables
Cloud Services
1 126 (17.97%) Amazon AWS
2 49 (6.99%) Microsoft Azure
3 47 (6.70%) GitHub
4 26 (3.71%) Heroku
5 25 (3.57%) Amazon S3
6 19 (2.71%) Google Cloud Platform
7 17 (2.43%) Amazon EC2
7 17 (2.43%) SaaS
8 16 (2.28%) npm
9 14 (2.00%) Google Analytics
10 11 (1.57%) PaaS
11 10 (1.43%) Cloud Computing
12 8 (1.14%) Office 365
13 6 (0.86%) AWS Elastic Beanstalk
13 6 (0.86%) OpenShift
14 5 (0.71%) Amazon Kinesis
14 5 (0.71%) BrowserStack
14 5 (0.71%) Sauce Labs
15 3 (0.43%) Amazon Glacier
15 3 (0.43%) Dynamics 365
Communications & Networking
1 16 (2.28%) TCP/IP
2 10 (1.43%) HTTP
3 9 (1.28%) Internet
4 8 (1.14%) Kerberos
5 6 (0.86%) AMQP
5 6 (0.86%) Firewall
5 6 (0.86%) MQTT
5 6 (0.86%) VoIP
6 5 (0.71%) HTTPS
6 5 (0.71%) Reverse Proxy
7 3 (0.43%) FTP
7 3 (0.43%) RFID
8 2 (0.29%) DMZ
8 2 (0.29%) Intrusion Detection
8 2 (0.29%) IPFS
8 2 (0.29%) SMS
8 2 (0.29%) SSL
8 2 (0.29%) VPN
9 1 (0.14%) Multicast
9 1 (0.14%) OpenFlow
Database & Business Intelligence
1 83 (11.84%) Data Warehouse
2 80 (11.41%) SQL Server
3 75 (10.70%) Relational Database
4 67 (9.56%) Hadoop
5 66 (9.42%) Big Data
6 49 (6.99%) NoSQL
7 45 (6.42%) PostgreSQL
8 44 (6.28%) Apache Hive
9 42 (5.99%) Power BI
10 40 (5.71%) MongoDB
11 35 (4.99%) SQL Server Integration Services
12 28 (3.99%) MySQL
13 21 (3.00%) SQL Server Reporting Services
14 20 (2.85%) Amazon Redshift
14 20 (2.85%) BusinessObjects
14 20 (2.85%) SQL Server Analysis Services
15 19 (2.71%) Data Mining
16 16 (2.28%) DB2
17 15 (2.14%) Qlik Sense
18 14 (2.00%) Oracle Database
Development Applications
1 99 (14.12%) Git (software)
2 56 (7.99%) JIRA
3 53 (7.56%) webpack
4 49 (6.99%) Jenkins
5 40 (5.71%) Subversion
6 26 (3.71%) Jasmine
6 26 (3.71%) PostCSS
7 25 (3.57%) JUnit
8 20 (2.85%) gulp
9 19 (2.71%) Grunt
9 19 (2.71%) Selenium
10 15 (2.14%) Atlassian Bamboo
11 14 (2.00%) Hudson
11 14 (2.00%) PhantomJS
12 13 (1.85%) Cucumber
13 12 (1.71%) Bitbucket
13 12 (1.71%) TeamCity
14 11 (1.57%) Maven
15 8 (1.14%) Gerrit
15 8 (1.14%) Gradle
General
1 224 (31.95%) Finance
2 86 (12.27%) Banking
3 45 (6.42%) Front Office
4 23 (3.28%) Games
5 22 (3.14%) Investment Banking
6 19 (2.71%) Retail
7 15 (2.14%) Manufacturing
7 15 (2.14%) Telecoms
8 12 (1.71%) Marketing
9 11 (1.57%) Legal
10 10 (1.43%) Back Office
11 9 (1.28%) Pharmaceutical
12 6 (0.86%) Financial Institution
13 4 (0.57%) Billing
13 4 (0.57%) Local Government
14 3 (0.43%) Electronics
15 2 (0.29%) Advertising
15 2 (0.29%) General Ledger
15 2 (0.29%) Private Banking
15 2 (0.29%) Retail Banking
Job Titles
1 373 (53.21%) Developer
2 95 (13.55%) Analyst
3 91 (12.98%) Java Developer
4 50 (7.13%) Architect
4 50 (7.13%) Python Developer
5 42 (5.99%) Data Engineer
6 41 (5.85%) Senior Developer
7 38 (5.42%) React Developer
8 37 (5.28%) Front End Developer (Client-Side Developer)
9 32 (4.56%) Business Analyst
10 27 (3.85%) JavaScript Developer
11 26 (3.71%) Data Analyst
11 26 (3.71%) Python Engineer
12 25 (3.57%) AWS Engineer
13 24 (3.42%) C# Developer
14 23 (3.28%) SQL Developer
15 22 (3.14%) Digital Developer
16 20 (2.85%) Data Architect
16 20 (2.85%) Front Office Developer
17 19 (2.71%) Business Intelligence Developer
Libraries, Frameworks & Software Standards
1 105 (14.98%) HTML
2 103 (14.69%) CSS
3 74 (10.56%) AngularJS
4 72 (10.27%) Redux
5 66 (9.42%) Web Services
6 53 (7.56%) Node.js
6 53 (7.56%) XML
7 52 (7.42%) REST
7 52 (7.42%) Spring
8 46 (6.56%) Kafka
8 46 (6.56%) React
9 44 (6.28%) RESTful
10 43 (6.13%) HTML5
11 42 (5.99%) .NET
12 41 (5.85%) JSON
13 37 (5.28%) jQuery
14 35 (4.99%) Chai
15 27 (3.85%) SOAP
16 26 (3.71%) Enzyme
16 26 (3.71%) Sass
Miscellaneous
1 249 (35.52%) Algorithms
2 141 (20.11%) Computer Science
3 128 (18.26%) Analytical Skills
4 62 (8.84%) User Experience
5 32 (4.56%) Greenfield Project
6 30 (4.28%) Mobile App
7 29 (4.14%) Management Information System
8 25 (3.57%) Fintech
9 20 (2.85%) Data Centre
9 20 (2.85%) Foreign Exchange (FX)
10 17 (2.43%) Derivative
10 17 (2.43%) Fixed Income
10 17 (2.43%) Self-Motivation
11 16 (2.28%) Equities
11 16 (2.28%) Hedge funds
12 11 (1.57%) Reference Data
13 9 (1.28%) Blog
14 8 (1.14%) Enterprise Software
15 6 (0.86%) Credit Risk
15 6 (0.86%) Public Cloud
Operating Systems
1 86 (12.27%) Linux
2 79 (11.27%) Unix
3 25 (3.57%) Windows
4 22 (3.14%) Apple iOS
5 18 (2.57%) Android
6 3 (0.43%) CentOS
6 3 (0.43%) Windows 7
7 2 (0.29%) Mac OS
7 2 (0.29%) Solaris
7 2 (0.29%) SUSE Linux Enterprise Server
7 2 (0.29%) Windows 8
8 1 (0.14%) Windows Server
Processes & Methodologies
1 282 (40.23%) Agile Software Development
2 181 (25.82%) OO
3 110 (15.69%) Problem-Solving
4 108 (15.41%) Data Modelling
5 97 (13.84%) Business Intelligence
6 94 (13.41%) Analytics
7 89 (12.70%) TDD
8 85 (12.13%) Multithreading
9 84 (11.98%) Continuous Integration
10 80 (11.41%) ETL
11 78 (11.13%) OOD
12 73 (10.41%) Test Automation
13 68 (9.70%) DevOps
14 64 (9.13%) Machine Learning
15 61 (8.70%) Scrum
16 60 (8.56%) Software Engineering
17 58 (8.27%) Data Science
17 58 (8.27%) Migration
18 51 (7.28%) SDLC
19 49 (6.99%) Data Analysis
Programming Languages
1 232 (33.10%) SQL
2 196 (27.96%) Java
3 151 (21.54%) Python
4 142 (20.26%) JavaScript
5 78 (11.13%) C#
6 56 (7.99%) Scala
7 51 (7.28%) ES6
8 44 (6.28%) C++
9 31 (4.42%) T-SQL
10 28 (3.99%) Go
11 24 (3.42%) Java 8
12 21 (3.00%) Perl
12 21 (3.00%) R
13 19 (2.71%) Shell Script
13 19 (2.71%) VBA
14 17 (2.43%) C
15 15 (2.14%) TypeScript
16 14 (2.00%) PL/SQL
17 13 (1.85%) Objective-C
18 9 (1.28%) Bash Shell
Qualifications
1 96 (13.69%) Degree
2 40 (5.71%) Computer Science Degree
3 25 (3.57%) Security Cleared
4 13 (1.85%) Master's Degree
5 12 (1.71%) SC Cleared
6 11 (1.57%) CISSP
7 10 (1.43%) Numerate Degree
8 5 (0.71%) DBS Check
8 5 (0.71%) PhD
9 4 (0.57%) A+ Certification
9 4 (0.57%) ISTQB
9 4 (0.57%) MCSE
9 4 (0.57%) Microsoft Certification
10 3 (0.43%) CTC Cleared
10 3 (0.43%) ISEB
11 2 (0.29%) BPSS Clearance
11 2 (0.29%) CISA
11 2 (0.29%) CISM
11 2 (0.29%) MCSA
11 2 (0.29%) SSCP
Quality Assurance & Compliance
1 61 (8.70%) Data Quality
2 26 (3.71%) QA
3 16 (2.28%) GDPR
4 6 (0.86%) IFRS
4 6 (0.86%) IFRS 9
5 5 (0.71%) PMO
6 3 (0.43%) Disclosure Scotland
6 3 (0.43%) SLA
7 2 (0.29%) GCP
8 1 (0.14%) PSD2
System Software
1 60 (8.56%) Docker
2 14 (2.00%) HDFS
3 11 (1.57%) Apache Flume
4 8 (1.14%) Active Directory
5 3 (0.43%) Apache ZooKeeper
6 2 (0.29%) etcd
6 2 (0.29%) Varnish
7 1 (0.14%) Virtual Servers
7 1 (0.14%) vSphere
Systems Management
1 26 (3.71%) Opscode Chef
2 25 (3.57%) Kubernetes
3 11 (1.57%) Oozie
3 11 (1.57%) Puppet
4 10 (1.43%) Ansible
5 5 (0.71%) Kibana
6 4 (0.57%) Consul
6 4 (0.57%) HP ALM
6 4 (0.57%) Systems Management Server (SMS)
7 3 (0.43%) CSIRT
7 3 (0.43%) Hadoop YARN
8 2 (0.29%) Ambari
8 2 (0.29%) Docker Swarm
8 2 (0.29%) Terraform
9 1 (0.14%) Host Intrusion Detection System
9 1 (0.14%) NetBackup
9 1 (0.14%) Network Intrusion Detection System
9 1 (0.14%) RSA Archer
9 1 (0.14%) RSA Security Analytics
Vendors
1 72 (10.27%) Microsoft
2 71 (10.13%) Oracle
3 45 (6.42%) Google
4 34 (4.85%) SAP
5 26 (3.71%) Salesforce.com
5 26 (3.71%) Tableau
5 26 (3.71%) Twitter
6 15 (2.14%) Teradata
7 14 (2.00%) IBM
8 13 (1.85%) Cloudera
8 13 (1.85%) Sybase
9 11 (1.57%) Atlassian
10 8 (1.14%) HP
11 7 (1.00%) Cognos
11 7 (1.00%) Xamarin
12 6 (0.86%) CA Agile Central
12 6 (0.86%) JD Edwards
12 6 (0.86%) Maconomy
12 6 (0.86%) RapidMiner
12 6 (0.86%) Talend