Period
to 23 January 2018

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 January 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
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 286 371 383
Rank change year-on-year +85 +12 -36
Contract jobs citing Data Structures 881 592 622
As % of all contract IT jobs advertised in the UK 0.88% 0.62% 0.58%
As % of the Miscellaneous category 2.61% 1.88% 1.78%
Number of daily rates quoted 619 424 426
UK median daily rate £475 £465 £500
Median daily rate % change year-on-year +2.15% -7.00% +17.65%
10th Percentile £350 £307 £300
90th Percentile £680 £671 £700
UK excluding London median daily rate £430 £425 £375
% change year-on-year +1.18% +13.33% -4.82%
Number of hourly rates quoted 16 7 20
UK median hourly rate £54.00 £32.50 £20.50
Median hourly rate % change year-on-year +66.15% +58.54% -50.00%
10th Percentile £27.00 £22.65 £18.60
90th Percentile £80.73 £47.50 £47.50
UK excluding London median hourly rate £51.50 £39.50 £22.50
% change year-on-year +30.38% +75.56% -51.61%

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 33,695 31,426 34,995
As % of all contract IT jobs advertised in the UK 33.51% 32.70% 32.71%
Number of daily rates quoted 22,566 20,508 22,333
UK median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% - +6.25%
10th Percentile £263 £254 £238
90th Percentile £650 £625 £625
UK excluding London median daily rate £400 £393 £380
% change year-on-year +1.78% +3.42% +5.56%
Number of hourly rates quoted 968 1,106 1,415
UK median hourly rate £21.70 £20.50 £20.00
Median hourly rate % change year-on-year +5.85% +2.50% +14.29%
10th Percentile £11.25 £11.33 £11.25
90th Percentile £49.65 £47.50 £47.83
UK excluding London median hourly rate £21.01 £20.00 £20.00
% change year-on-year +5.05% - +14.29%

Data Structures
Job Vacancy Trend

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

Job vacancy trend for Data Structures in the UK

Data Structures
Contractor Daily Rate Trend

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

Contractor daily rate trend for Data Structures in the UK

Data Structures
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Data Structures over the 6 months to 23 January 2018.

Contractor daily rate histogram for Data Structures in the UK

Data Structures
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Data Structures in the UK

Data Structures
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Data Structures over the 6 months to 23 January 2018.

Contractor 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 January 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
England +52 738 £500 +6.95% 312
London +64 481 £550 +10.00% 198
UK excluding London +91 390 £430 +1.18% 130
North of England +62 78 £425 -5.56% 27
South East -2 77 £375 -14.29% 22
Northern Ireland +26 68 £440 - 5
Scotland +28 61 £380 +16.92% 11
North West +14 37 £450 - 21
Yorkshire +25 36 £410 -0.61% 4
Midlands +1 36 £450 +12.50% 26
South West +3 31 £388 +10.71% 17
East of England -26 30 £450 -5.26% 21
West Midlands +18 24 £438 +25.00% 18
East Midlands -6 12 £450 -8.16% 8
Wales +12 9 £470 -6.00% 1
North East +47 4 £363 -36.96% 2

For the 6 months to 23 January 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 with a requirement for Data Structures.

1 351 (39.84%) Agile Software Development
2 335 (38.02%) Java
3 315 (35.75%) SQL
4 238 (27.01%) OO
5 230 (26.11%) Algorithms
6 227 (25.77%) Finance
7 152 (17.25%) Banking
8 150 (17.03%) Test Automation
9 149 (16.91%) Data Modelling
10 137 (15.55%) TDD
11 136 (15.44%) JavaScript
12 129 (14.64%) Continuous Integration
13 128 (14.53%) Multithreading
14 127 (14.42%) C#
15 122 (13.85%) SQL Server
16 114 (12.94%) Analytical Skills
17 112 (12.71%) Degree
18 111 (12.60%) Python
19 110 (12.49%) Linux
19 110 (12.49%) Git (software)
20 103 (11.69%) Spring
21 99 (11.24%) Computer Science
22 95 (10.78%) Migration
23 89 (10.10%) .NET
24 88 (9.99%) Data Quality
25 87 (9.88%) Web Services
25 87 (9.88%) Business Intelligence
26 85 (9.65%) JSON
27 84 (9.53%) ETL
28 82 (9.31%) Amazon AWS

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 27 (3.06%) Apache Spark
2 22 (2.50%) Tomcat
3 21 (2.38%) Confluence
4 17 (1.93%) Apache
5 12 (1.36%) IIS
5 12 (1.36%) SAS
6 11 (1.25%) Apache Solr
6 11 (1.25%) Elasticsearch
7 7 (0.79%) WebSphere
8 5 (0.57%) Apache Pig
8 5 (0.57%) BizTalk Server
8 5 (0.57%) CMS
8 5 (0.57%) SharePoint
9 4 (0.45%) WebLogic
10 3 (0.34%) Oracle SOA Suite
11 2 (0.23%) Jupyter
11 2 (0.23%) OpenStack
12 1 (0.11%) GemFire
12 1 (0.11%) Mule
12 1 (0.11%) Mule ESB
Applications
1 44 (4.99%) Microsoft Excel
2 8 (0.91%) InVision
2 8 (0.91%) Microsoft Office
3 4 (0.45%) Microsoft PowerPoint
4 3 (0.34%) Microsoft Project
4 3 (0.34%) MS Visio
5 2 (0.23%) Adobe Illustrator
5 2 (0.23%) Photoshop
5 2 (0.23%) S-PLUS
5 2 (0.23%) SPSS
6 1 (0.11%) Adobe Creative Suite
6 1 (0.11%) Spreadsheet
Business Applications
1 13 (1.48%) Hyperion Planning
2 12 (1.36%) Markit EDM
3 11 (1.25%) SAP MM
4 6 (0.68%) SAP APO
4 6 (0.68%) SAP MDM
5 5 (0.57%) Cognos TM1
5 5 (0.57%) SAP SRM
5 5 (0.57%) SunGard GMI
6 4 (0.45%) Unica
7 3 (0.34%) Dynamics CRM
7 3 (0.34%) ION MarketView
7 3 (0.34%) SAP ERP
7 3 (0.34%) SAP FI
8 2 (0.23%) Dynamics GP
8 2 (0.23%) HiPortfolio
8 2 (0.23%) MetaTrader
8 2 (0.23%) SAP PLM
8 2 (0.23%) SAP R/3
8 2 (0.23%) SAP Retail
8 2 (0.23%) SAP SD
Cloud Services
1 82 (9.31%) Amazon AWS
2 36 (4.09%) Microsoft Azure
3 13 (1.48%) SaaS
4 12 (1.36%) GitHub
5 8 (0.91%) Amazon S3
5 8 (0.91%) npm
6 7 (0.79%) Amazon Glacier
7 6 (0.68%) Amazon EC2
7 6 (0.68%) AWS CloudFormation
7 6 (0.68%) Boomi
7 6 (0.68%) Heroku
8 5 (0.57%) iPaaS
9 4 (0.45%) Amazon EMR
9 4 (0.45%) Google Cloud Platform
9 4 (0.45%) Salesforce Sales Cloud
10 3 (0.34%) Cloud Computing
10 3 (0.34%) IaaS
10 3 (0.34%) iTunes
11 2 (0.23%) Google App Engine
11 2 (0.23%) PaaS
Communications & Networking
1 16 (1.82%) TCP/IP
2 8 (0.91%) DPNSS
2 8 (0.91%) Q.931
3 7 (0.79%) Internet
4 5 (0.57%) HTTP
5 4 (0.45%) FTP
5 4 (0.45%) Reverse Proxy
5 4 (0.45%) SMS
6 3 (0.34%) Intranet
7 2 (0.23%) snoop
8 1 (0.11%) DHCP
8 1 (0.11%) DNS
8 1 (0.11%) Firewall
8 1 (0.11%) Kerberos
8 1 (0.11%) MPLS
8 1 (0.11%) SMTP
8 1 (0.11%) VPN
8 1 (0.11%) Wireless
Database & Business Intelligence
1 122 (13.85%) SQL Server
2 76 (8.63%) NoSQL
3 61 (6.92%) Big Data
4 55 (6.24%) Relational Database
5 51 (5.79%) MongoDB
6 48 (5.45%) SQL Server Integration Services
7 43 (4.88%) Data Warehouse
8 33 (3.75%) Hadoop
9 28 (3.18%) SQL Server Reporting Services
10 26 (2.95%) BusinessObjects
10 26 (2.95%) MySQL
11 21 (2.38%) PostgreSQL
11 21 (2.38%) QlikView
12 19 (2.16%) Oracle Database
13 18 (2.04%) Apache Cassandra
13 18 (2.04%) SQL Server Analysis Services
14 16 (1.82%) DB2
15 15 (1.70%) HBase
16 14 (1.59%) SAP Data Services
17 13 (1.48%) SQL Server 2008
Development Applications
1 110 (12.49%) Git (software)
2 67 (7.60%) Subversion
3 63 (7.15%) JIRA
4 54 (6.13%) Mercurial
5 51 (5.79%) Maven
6 42 (4.77%) Visual Studio
7 23 (2.61%) webpack
8 21 (2.38%) Jenkins
9 15 (1.70%) Grunt
9 15 (1.70%) JUnit
10 13 (1.48%) gulp
11 12 (1.36%) IntelliJ
12 10 (1.14%) Babel
12 10 (1.14%) TestNG
13 8 (0.91%) Eclipse
14 7 (0.79%) ERwin
14 7 (0.79%) Jasmine
14 7 (0.79%) PhantomJS
15 6 (0.68%) Axure RP
15 6 (0.68%) PowerDesigner
General
1 227 (25.77%) Finance
2 152 (17.25%) Banking
3 66 (7.49%) Front Office
4 64 (7.26%) Investment Banking
5 32 (3.63%) Marketing
6 31 (3.52%) Retail
7 17 (1.93%) Legal
8 16 (1.82%) Back Office
8 16 (1.82%) Games
8 16 (1.82%) Telecoms
9 15 (1.70%) Advertising
10 12 (1.36%) Law
11 11 (1.25%) Manufacturing
12 9 (1.02%) Pharmaceutical
13 7 (0.79%) Corporate Banking
14 5 (0.57%) Electronics
14 5 (0.57%) Financial Institution
15 4 (0.45%) Automotive
16 2 (0.23%) Private Banking
16 2 (0.23%) Publishing
Job Titles
1 465 (52.78%) Developer
2 186 (21.11%) Java Developer
3 170 (19.30%) Analyst
4 99 (11.24%) Senior Developer
5 68 (7.72%) Architect
6 66 (7.49%) Business Analyst
6 66 (7.49%) C# Developer
7 62 (7.04%) Data Analyst
8 60 (6.81%) Senior Java Developer
9 39 (4.43%) Consultant
10 37 (4.20%) Investment Banking Java Developer
11 36 (4.09%) Agile Developer
12 35 (3.97%) SQL Developer
13 34 (3.86%) Data Architect
14 31 (3.52%) Agile Java Developer
15 30 (3.41%) C++ Developer
16 29 (3.29%) Senior Agile Developer
17 28 (3.18%) Senior Agile Java Developer
18 27 (3.06%) Senior Investment Banking Java Developer
19 24 (2.72%) Python Developer
Libraries, Frameworks & Software Standards
1 103 (11.69%) Spring
2 89 (10.10%) .NET
3 87 (9.88%) Web Services
4 85 (9.65%) JSON
5 73 (8.29%) XML
6 70 (7.95%) REST
7 66 (7.49%) Hibernate
8 60 (6.81%) HTML
9 54 (6.13%) CSS
10 40 (4.54%) AngularJS
11 39 (4.43%) Kafka
12 36 (4.09%) React
13 34 (3.86%) HTML5
14 33 (3.75%) WPF
15 32 (3.63%) RESTful
16 30 (3.41%) WCF
17 28 (3.18%) Redux
18 26 (2.95%) SOAP
19 20 (2.27%) J2EE
19 20 (2.27%) WebSockets
Miscellaneous
1 230 (26.11%) Algorithms
2 114 (12.94%) Analytical Skills
3 99 (11.24%) Computer Science
4 68 (7.72%) User Experience
5 44 (4.99%) Foreign Exchange (FX)
6 41 (4.65%) Management Information System
7 36 (4.09%) Derivative
8 30 (3.41%) Greenfield Project
9 26 (2.95%) Equities
10 25 (2.84%) Enterprise Software
11 23 (2.61%) Hedge funds
12 22 (2.50%) Reference Data
13 18 (2.04%) Fixed Income
13 18 (2.04%) Mobile App
14 9 (1.02%) Virtual Team
15 8 (0.91%) Fintech
16 6 (0.68%) AS400
16 6 (0.68%) Credit Risk
16 6 (0.68%) iPad
16 6 (0.68%) iPhone
Operating Systems
1 110 (12.49%) Linux
2 59 (6.70%) Unix
3 37 (4.20%) Windows
4 19 (2.16%) Apple iOS
5 16 (1.82%) Android
6 6 (0.68%) Mac OS X
7 3 (0.34%) HPUX
8 2 (0.23%) Ubuntu
9 1 (0.11%) Mac OS
9 1 (0.11%) Oracle Linux
9 1 (0.11%) Windows 10
9 1 (0.11%) Windows 7
9 1 (0.11%) Windows Server 2003
Processes & Methodologies
1 351 (39.84%) Agile Software Development
2 238 (27.01%) OO
3 150 (17.03%) Test Automation
4 149 (16.91%) Data Modelling
5 137 (15.55%) TDD
6 129 (14.64%) Continuous Integration
7 128 (14.53%) Multithreading
8 95 (10.78%) Migration
9 87 (9.88%) Business Intelligence
10 84 (9.53%) ETL
11 79 (8.97%) Software Engineering
12 78 (8.85%) Data Analysis
13 77 (8.74%) Data Migration
14 70 (7.95%) Data Management
15 69 (7.83%) OOD
16 68 (7.72%) Analytics
17 57 (6.47%) Data Architecture
17 57 (6.47%) OOP
18 55 (6.24%) Functional Programming
19 54 (6.13%) Business Analysis
Programming Languages
1 335 (38.02%) Java
2 315 (35.75%) SQL
3 136 (15.44%) JavaScript
4 127 (14.42%) C#
5 111 (12.60%) Python
6 70 (7.95%) C++
7 57 (6.47%) Scala
8 55 (6.24%) T-SQL
9 25 (2.84%) R
10 20 (2.27%) Shell Script
11 19 (2.16%) PL/SQL
12 17 (1.93%) C
13 16 (1.82%) PowerShell
14 15 (1.70%) Bash Shell
14 15 (1.70%) ES6
15 13 (1.48%) PHP
15 13 (1.48%) Ruby
16 12 (1.36%) Perl
17 10 (1.14%) Objective-C
17 10 (1.14%) VBA
Qualifications
1 112 (12.71%) Degree
2 31 (3.52%) Security Cleared
3 28 (3.18%) Computer Science Degree
4 24 (2.72%) PhD
5 15 (1.70%) BPSS Clearance
6 13 (1.48%) DV Cleared
7 12 (1.36%) Numerate Degree
8 11 (1.25%) SC Cleared
9 6 (0.68%) ISEB
10 4 (0.45%) ITIL Certification
10 4 (0.45%) Sun Certification
11 3 (0.34%) Master's Degree
12 2 (0.23%) DBS Check
12 2 (0.23%) HND
12 2 (0.23%) ITIL Foundation Certificate
12 2 (0.23%) Microsoft Certification
13 1 (0.11%) A+ Certification
13 1 (0.11%) APMP
13 1 (0.11%) PMP
13 1 (0.11%) SAP Certification
Quality Assurance & Compliance
1 88 (9.99%) Data Quality
2 40 (4.54%) QA
3 25 (2.84%) GDPR
4 13 (1.48%) MiFID
5 7 (0.79%) Sarbanes-Oxley
6 6 (0.68%) GxP
7 5 (0.57%) IFRS
7 5 (0.57%) IFRS 9
8 4 (0.45%) Disclosure Scotland
8 4 (0.45%) GCP
9 2 (0.23%) PMO
10 1 (0.11%) BS7666
System Software
1 27 (3.06%) Docker
2 9 (1.02%) Oracle Clusterware
2 9 (1.02%) Oracle RAC
3 6 (0.68%) Apache ZooKeeper
3 6 (0.68%) etcd
3 6 (0.68%) Varnish
4 3 (0.34%) Active Directory
5 2 (0.23%) HDFS
6 1 (0.11%) vCloud
6 1 (0.11%) VMware Infrastructure
Systems Management
1 13 (1.48%) Opscode Chef
2 9 (1.02%) Data Guard
2 9 (1.02%) Oracle Flashback
2 9 (1.02%) Oracle RMAN
3 8 (0.91%) Kubernetes
4 7 (0.79%) Ansible
5 6 (0.68%) Consul
5 6 (0.68%) Kibana
5 6 (0.68%) logstash
5 6 (0.68%) Puppet
5 6 (0.68%) Terraform
6 4 (0.45%) Prometheus
7 2 (0.23%) HP Quality Center
8 1 (0.11%) CA Endevor
8 1 (0.11%) Cisco CUCM
8 1 (0.11%) Cisco IPCC
8 1 (0.11%) Hadoop YARN
8 1 (0.11%) ITRS Geneos
Vendors
1 75 (8.51%) Oracle
2 74 (8.40%) Microsoft
3 42 (4.77%) SAP
4 38 (4.31%) Tableau
5 31 (3.52%) Salesforce.com
6 25 (2.84%) IBM
7 20 (2.27%) Cognos
8 17 (1.93%) Informatica
8 17 (1.93%) TIBCO
9 14 (1.59%) Hyperion
9 14 (1.59%) MicroStrategy
10 9 (1.02%) Adobe
10 9 (1.02%) ServiceNow
11 8 (0.91%) DevExpress
11 8 (0.91%) JDA
11 8 (0.91%) Talend
12 7 (0.79%) Google
12 7 (0.79%) hybris
12 7 (0.79%) Red Hat
12 7 (0.79%) Teradata