Period
to 16 December 2017

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 16 December 2017 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
16 Dec 2017
Same period 2016 Same period 2015
Rank 297 386 385
Rank change year-on-year +89 -1 -58
Contract jobs citing Data Structures 792 580 627
As % of all contract IT jobs advertised in England 0.84% 0.61% 0.61%
As % of the Miscellaneous category 2.48% 1.85% 1.84%
Number of daily rates quoted 551 418 443
England median daily rate £480 £450 £500
Median daily rate % change year-on-year +6.67% -10.00% +17.65%
10th Percentile £358 £290 £306
90th Percentile £700 £666 £700
UK median daily rate £463 £450 £500
% change year-on-year +2.78% -10.00% +17.65%
Number of hourly rates quoted 18 6 19
England median hourly rate £37.50 £33.25 £22.50
Median hourly rate % change year-on-year +12.78% +47.78% -27.88%
10th Percentile £27.00 £21.44 £18.75
90th Percentile £80.73 £47.50 £47.10
UK median hourly rate £37.50 £33.25 £22.50
% change year-on-year +12.78% +47.78% -27.88%

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 31981 31408 34109
As % of all contract IT jobs advertised in England 33.87% 32.91% 32.95%
Number of daily rates quoted 21521 20642 22093
England median daily rate £450 £426 £425
Median daily rate % change year-on-year +5.59% +0.29% +5.99%
10th Percentile £270 £255 £250
90th Percentile £656 £625 £625
UK median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 899 1098 1342
England median hourly rate £21.50 £20.00 £19.06
Median hourly rate % change year-on-year +7.50% +4.96% +8.89%
10th Percentile £11.25 £11.33 £11.17
90th Percentile £48.75 £47.33 £45.50
UK median hourly rate £21.74 £20.00 £19.50
% change year-on-year +8.70% +2.56% +11.43%

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 16 December 2017.

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 16 December 2017.

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 16 December 2017. 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 +80 530 £525 +5.00% 139
South East +6 86 £400 -5.88% 9
North of England +65 79 £425 - 13
North West +7 38 £450 +5.88% 9
Midlands +4 37 £425 +6.25% 5
Yorkshire +35 36 £425 +2.41% 3
South West +3 32 £388 +10.71% 5
West Midlands +9 21 £350 - 2
East of England -30 21 £425 -9.28% 12
East Midlands -4 15 £438 -10.71% 3
North East +67 4 £363 -36.96% 1
Data Structures
UK

For the 6 months to 16 December 2017, IT contractor jobs citing Data Structures also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for Data Structures.

1 303 (38.26%) SQL
1 303 (38.26%) Agile Software Development
2 271 (34.22%) Java
3 190 (23.99%) Algorithms
4 177 (22.35%) Finance
5 158 (19.95%) Data Modelling
6 157 (19.82%) OO
7 128 (16.16%) SQL Server
8 121 (15.28%) TDD
9 113 (14.27%) JavaScript
10 112 (14.14%) Linux
11 108 (13.64%) Degree
12 107 (13.51%) Business Intelligence
13 106 (13.38%) Multithreading
14 105 (13.26%) Continuous Integration
14 105 (13.26%) Analytical Skills
14 105 (13.26%) Python
15 97 (12.25%) Spring
16 96 (12.12%) Web Services
17 91 (11.49%) Migration
18 90 (11.36%) C#
18 90 (11.36%) Git (software)
19 88 (11.11%) Test Automation
19 88 (11.11%) Banking
20 85 (10.73%) Data Analysis
21 84 (10.61%) Computer Science
22 82 (10.35%) Data Migration
23 80 (10.10%) .NET
24 77 (9.72%) ETL
24 77 (9.72%) Microsoft

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 23 (2.90%) Tomcat
2 20 (2.53%) Apache
2 20 (2.53%) Apache Spark
2 20 (2.53%) Confluence
3 16 (2.02%) IIS
4 13 (1.64%) Apache Solr
5 11 (1.39%) Elasticsearch
5 11 (1.39%) WebSphere
6 10 (1.26%) SAS
7 9 (1.14%) WebLogic
8 5 (0.63%) BizTalk Server
8 5 (0.63%) SharePoint
9 4 (0.51%) CMS
10 3 (0.38%) Oracle SOA Suite
11 2 (0.25%) Jupyter
11 2 (0.25%) WebSphere Application Server
12 1 (0.13%) ArcGIS
12 1 (0.13%) GemFire
12 1 (0.13%) Mule ESB
12 1 (0.13%) OpenStack
Applications
1 45 (5.68%) Microsoft Excel
2 12 (1.52%) Microsoft Office
2 12 (1.52%) MS Visio
3 8 (1.01%) InVision
4 4 (0.51%) Microsoft PowerPoint
4 4 (0.51%) SPSS
5 2 (0.25%) S-PLUS
5 2 (0.25%) Spreadsheet
6 1 (0.13%) Adobe Creative Suite
6 1 (0.13%) Stata
Business Applications
1 11 (1.39%) SAP MM
2 10 (1.26%) Hyperion Planning
2 10 (1.26%) Markit EDM
3 9 (1.14%) Unica
4 7 (0.88%) SAP MDM
5 6 (0.76%) SAP APO
6 5 (0.63%) Cognos TM1
6 5 (0.63%) SAP CAR
6 5 (0.63%) SAP POS DM
6 5 (0.63%) SAP Retail
6 5 (0.63%) SAP SRM
6 5 (0.63%) SunGard GMI
7 4 (0.51%) Dynamics AX
7 4 (0.51%) Dynamics CRM
7 4 (0.51%) SAP FI
8 3 (0.38%) ION MarketView
8 3 (0.38%) SAP CO
8 3 (0.38%) SAP ERP
8 3 (0.38%) SAP FI/CO
9 2 (0.25%) Oracle EBS R12
Cloud Services
1 76 (9.60%) Amazon AWS
2 31 (3.91%) Microsoft Azure
3 11 (1.39%) npm
4 10 (1.26%) Amazon S3
4 10 (1.26%) GitHub
4 10 (1.26%) SaaS
5 9 (1.14%) Amazon Glacier
6 8 (1.01%) AWS CloudFormation
7 7 (0.88%) Amazon EC2
8 6 (0.76%) Amazon EMR
9 5 (0.63%) Boomi
9 5 (0.63%) Heroku
9 5 (0.63%) Salesforce Sales Cloud
10 3 (0.38%) Cloud Computing
10 3 (0.38%) iPaaS
11 2 (0.25%) Firebase
11 2 (0.25%) Force.com
11 2 (0.25%) Google Cloud Platform
11 2 (0.25%) IaaS
11 2 (0.25%) Office 365
Communications & Networking
1 13 (1.64%) TCP/IP
2 7 (0.88%) DPNSS
2 7 (0.88%) Internet
2 7 (0.88%) Q.931
3 6 (0.76%) HTTP
4 4 (0.51%) FTP
4 4 (0.51%) SMS
5 3 (0.38%) Intranet
5 3 (0.38%) Reverse Proxy
6 2 (0.25%) snoop
7 1 (0.13%) DHCP
7 1 (0.13%) DMS-100
7 1 (0.13%) DNS
7 1 (0.13%) Kerberos
7 1 (0.13%) PBX
7 1 (0.13%) PSTN
7 1 (0.13%) SMTP
Database & Business Intelligence
1 128 (16.16%) SQL Server
2 65 (8.21%) NoSQL
3 53 (6.69%) Relational Database
4 50 (6.31%) MongoDB
5 48 (6.06%) Big Data
5 48 (6.06%) SQL Server Integration Services
6 43 (5.43%) Data Warehouse
7 28 (3.54%) PostgreSQL
8 27 (3.41%) SQL Server Reporting Services
9 26 (3.28%) Apache Cassandra
9 26 (3.28%) Hadoop
10 23 (2.90%) MySQL
11 19 (2.40%) SQL Server Analysis Services
12 18 (2.27%) BusinessObjects
13 17 (2.15%) HBase
14 15 (1.89%) KDB
14 15 (1.89%) QlikView
15 14 (1.77%) DB2
15 14 (1.77%) Oracle Database
15 14 (1.77%) SQL Server 2008
Development Applications
1 90 (11.36%) Git (software)
2 57 (7.20%) JIRA
3 51 (6.44%) Subversion
4 37 (4.67%) Mercurial
5 32 (4.04%) Maven
6 23 (2.90%) Jenkins
6 23 (2.90%) Visual Studio
7 21 (2.65%) IntelliJ
8 20 (2.53%) webpack
9 19 (2.40%) JUnit
10 13 (1.64%) Grunt
10 13 (1.64%) gulp
11 11 (1.39%) Team Foundation Server
12 10 (1.26%) Babel
12 10 (1.26%) TestNG
13 9 (1.14%) Talend Open Studio
14 8 (1.01%) Eclipse
15 7 (0.88%) ERwin
15 7 (0.88%) Jasmine
15 7 (0.88%) PhantomJS
General
1 177 (22.35%) Finance
2 88 (11.11%) Banking
3 70 (8.84%) Front Office
4 44 (5.56%) Marketing
5 31 (3.91%) Retail
6 29 (3.66%) Investment Banking
7 26 (3.28%) Telecoms
8 20 (2.53%) Back Office
9 18 (2.27%) Manufacturing
10 15 (1.89%) Advertising
10 15 (1.89%) Games
10 15 (1.89%) Legal
11 13 (1.64%) Electronics
12 12 (1.52%) Pharmaceutical
13 8 (1.01%) Financial Institution
14 7 (0.88%) Law
15 4 (0.51%) Automotive
15 4 (0.51%) General Ledger
16 3 (0.38%) Private Banking
16 3 (0.38%) Publishing
Job Titles
1 395 (49.87%) Developer
2 157 (19.82%) Analyst
3 143 (18.06%) Java Developer
4 70 (8.84%) Data Analyst
5 59 (7.45%) Architect
6 55 (6.94%) Business Analyst
7 52 (6.57%) Senior Developer
8 48 (6.06%) C# Developer
9 43 (5.43%) SQL Developer
10 36 (4.55%) Consultant
11 29 (3.66%) Python Developer
12 25 (3.16%) Senior Java Developer
13 24 (3.03%) Software Engineer
13 24 (3.03%) SQL Analyst
14 23 (2.90%) Senior Analyst
14 23 (2.90%) WPF Developer
15 22 (2.78%) Data Architect
16 21 (2.65%) C# WPF Developer
17 20 (2.53%) Software Developer
17 20 (2.53%) Solutions Architect
Libraries, Frameworks & Software Standards
1 97 (12.25%) Spring
2 96 (12.12%) Web Services
3 80 (10.10%) .NET
4 70 (8.84%) JSON
5 67 (8.46%) XML
6 54 (6.82%) HTML
7 52 (6.57%) CSS
7 52 (6.57%) REST
8 43 (5.43%) Hibernate
8 43 (5.43%) RESTful
9 41 (5.18%) Kafka
10 40 (5.05%) HTML5
11 37 (4.67%) AngularJS
12 33 (4.17%) React
12 33 (4.17%) SOAP
13 32 (4.04%) WPF
14 31 (3.91%) Spring Boot
15 28 (3.54%) WCF
16 22 (2.78%) Redux
17 21 (2.65%) J2EE
Miscellaneous
1 190 (23.99%) Algorithms
2 105 (13.26%) Analytical Skills
3 84 (10.61%) Computer Science
4 60 (7.58%) User Experience
5 50 (6.31%) Management Information System
6 49 (6.19%) Foreign Exchange (FX)
7 27 (3.41%) Derivative
8 25 (3.16%) Equities
8 25 (3.16%) Fixed Income
9 24 (3.03%) Greenfield Project
10 23 (2.90%) Hedge funds
11 22 (2.78%) Enterprise Software
12 20 (2.53%) Mobile App
13 18 (2.27%) Reference Data
14 10 (1.26%) Blog
15 8 (1.01%) Market Risk
15 8 (1.01%) Virtual Team
16 7 (0.88%) AS400
16 7 (0.88%) NHS
17 5 (0.63%) Client/Server
Operating Systems
1 112 (14.14%) Linux
2 68 (8.59%) Unix
3 39 (4.92%) Windows
4 14 (1.77%) Mac OS X
5 13 (1.64%) Apple iOS
6 9 (1.14%) Android
7 3 (0.38%) HPUX
8 2 (0.25%) Ubuntu
9 1 (0.13%) Mac OS
9 1 (0.13%) Oracle Linux
9 1 (0.13%) Windows 10
9 1 (0.13%) Windows 7
9 1 (0.13%) Windows Server
9 1 (0.13%) Windows Server 2003
Processes & Methodologies
1 303 (38.26%) Agile Software Development
2 158 (19.95%) Data Modelling
3 157 (19.82%) OO
4 121 (15.28%) TDD
5 107 (13.51%) Business Intelligence
6 106 (13.38%) Multithreading
7 105 (13.26%) Continuous Integration
8 91 (11.49%) Migration
9 88 (11.11%) Test Automation
10 85 (10.73%) Data Analysis
11 82 (10.35%) Data Migration
12 77 (9.72%) ETL
13 74 (9.34%) Software Engineering
14 67 (8.46%) Data Management
15 66 (8.33%) Analytics
16 59 (7.45%) Business Analysis
16 59 (7.45%) Data Architecture
17 56 (7.07%) SDLC
18 54 (6.82%) BDD
19 53 (6.69%) OOD
Programming Languages
1 303 (38.26%) SQL
2 271 (34.22%) Java
3 113 (14.27%) JavaScript
4 105 (13.26%) Python
5 90 (11.36%) C#
6 67 (8.46%) T-SQL
7 59 (7.45%) Scala
8 49 (6.19%) C++
9 28 (3.54%) Shell Script
10 24 (3.03%) C
11 20 (2.53%) PL/SQL
12 15 (1.89%) R
13 14 (1.77%) Groovy
14 13 (1.64%) PowerShell
15 12 (1.52%) Go
15 12 (1.52%) Ruby
16 11 (1.39%) ES6
17 10 (1.26%) Bash Shell
17 10 (1.26%) PHP
18 8 (1.01%) Perl
Qualifications
1 108 (13.64%) Degree
2 40 (5.05%) Security Cleared
3 27 (3.41%) Computer Science Degree
4 25 (3.16%) PhD
5 18 (2.27%) SC Cleared
6 15 (1.89%) BPSS Clearance
7 13 (1.64%) DV Cleared
8 8 (1.01%) Numerate Degree
9 6 (0.76%) CTC Cleared
10 5 (0.63%) ISEB
11 4 (0.51%) HND
11 4 (0.51%) ITIL Certification
11 4 (0.51%) Sun Certification
12 3 (0.38%) Master's Degree
13 2 (0.25%) DBS Check
13 2 (0.25%) ITIL Foundation Certificate
13 2 (0.25%) Microsoft Certification
14 1 (0.13%) A+ Certification
14 1 (0.13%) APMP
14 1 (0.13%) SAP Certification
Quality Assurance & Compliance
1 76 (9.60%) Data Quality
2 43 (5.43%) QA
3 24 (3.03%) GDPR
4 13 (1.64%) MiFID
5 6 (0.76%) GxP
5 6 (0.76%) Sarbanes-Oxley
6 5 (0.63%) PMO
7 3 (0.38%) Disclosure Scotland
7 3 (0.38%) IFRS
7 3 (0.38%) IFRS 9
8 2 (0.25%) GCP
9 1 (0.13%) SLA
System Software
1 34 (4.29%) Docker
2 10 (1.26%) Oracle RAC
3 9 (1.14%) Oracle Clusterware
4 6 (0.76%) Apache ZooKeeper
4 6 (0.76%) etcd
4 6 (0.76%) Varnish
5 3 (0.38%) Active Directory
6 2 (0.25%) HDFS
7 1 (0.13%) VMware Infrastructure
Systems Management
1 14 (1.77%) Kubernetes
2 12 (1.52%) logstash
2 12 (1.52%) Opscode Chef
3 10 (1.26%) Kibana
3 10 (1.26%) Prometheus
4 9 (1.14%) Data Guard
4 9 (1.14%) Oracle Flashback
4 9 (1.14%) Oracle RMAN
5 8 (1.01%) Terraform
6 6 (0.76%) Consul
6 6 (0.76%) ITRS Geneos
7 4 (0.51%) Puppet
8 3 (0.38%) Ansible
9 2 (0.25%) HP Quality Center
10 1 (0.13%) CA Endevor
10 1 (0.13%) Cisco IPCC
10 1 (0.13%) Enterprise Manager Cloud Control
10 1 (0.13%) Hadoop YARN
10 1 (0.13%) Oracle Enterprise Manager
10 1 (0.13%) Tivoli
Vendors
1 77 (9.72%) Microsoft
2 73 (9.22%) Oracle
3 50 (6.31%) SAP
4 36 (4.55%) Tableau
5 33 (4.17%) Salesforce.com
6 28 (3.54%) IBM
7 22 (2.78%) Cognos
8 14 (1.77%) ServiceNow
9 12 (1.52%) Informatica
10 11 (1.39%) Hyperion
11 10 (1.26%) AppDynamics
11 10 (1.26%) Splunk
12 9 (1.14%) Talend
13 8 (1.01%) DevExpress
13 8 (1.01%) JDA
14 7 (0.88%) Adobe
14 7 (0.88%) hybris
14 7 (0.88%) Red Hat
14 7 (0.88%) Teradata
15 6 (0.76%) Pardot