Period
to 20 April 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 20 April 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
20 Apr 2018
Same period 2017 Same period 2016
Rank 312 361 399
Rank change year-on-year +49 +38 -25
Contract jobs citing Data Structures 815 629 617
As % of all contract IT jobs advertised in the UK 0.81% 0.68% 0.58%
As % of the Miscellaneous category 2.37% 2.02% 1.73%
Number of daily rates quoted 560 441 410
UK median daily rate £500 £465 £475
Median daily rate % change year-on-year +7.53% -2.11% +11.76%
10th Percentile £345 £313 £313
90th Percentile £650 £650 £675
UK excluding London median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +1.27%
Number of hourly rates quoted 14 6 26
UK median hourly rate £61.25 £32.50 £35.00
Median hourly rate % change year-on-year +88.46% -7.14% +12.90%
10th Percentile £19.60 £25.63 £17.12
90th Percentile £80.73 £40.63 £46.94
UK excluding London median hourly rate £80.73 £32.50 £20.25
% change year-on-year +148.40% +60.49% +1.25%

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 34,326 31,143 35,618
As % of all contract IT jobs advertised in the UK 33.93% 33.59% 33.39%
Number of daily rates quoted 22,562 20,203 23,165
UK median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.86% +2.94% +6.25%
10th Percentile £265 £260 £245
90th Percentile £650 £625 £625
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.67% +2.04%
Number of hourly rates quoted 1,073 1,094 1,263
UK median hourly rate £21.79 £20.97 £21.00
Median hourly rate % change year-on-year +3.91% -0.14% +20.00%
10th Percentile £11.41 £11.32 £11.50
90th Percentile £53.40 £50.00 £49.59
UK excluding London median hourly rate £21.00 £19.00 £21.00
% change year-on-year +10.53% -9.52% +20.14%

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 20 April 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 20 April 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 20 April 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 +21 715 £500 +6.38% 246
London +27 449 £550 +10.00% 153
UK excluding London +29 355 £450 +5.88% 105
South East +11 79 £450 - 22
North of England -28 70 £425 +6.25% 15
Northern Ireland +35 53 £475 +26.67% 3
North West -14 42 £425 +3.03% 10
Midlands -7 41 £375 -11.76% 20
East of England -12 41 £513 +2.50% 20
South West +16 31 £425 +21.43% 16
Scotland -18 31 £325 -26.76% 6
Yorkshire -29 27 £400 - 3
West Midlands +7 22 £375 -6.25% 13
East Midlands -2 19 £375 -23.47% 7
Wales -11 10 £500 - 3
North East +27 1 £550 +22.22% 2

For the 6 months to 20 April 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.

1 316 (38.77%) Agile Software Development
2 271 (33.25%) SQL
3 251 (30.80%) Java
4 224 (27.48%) Finance
5 212 (26.01%) Algorithms
6 197 (24.17%) OO
7 149 (18.28%) JavaScript
8 146 (17.91%) Python
9 139 (17.06%) Analytical Skills
10 132 (16.20%) Data Modelling
11 117 (14.36%) Computer Science
12 114 (13.99%) Banking
12 114 (13.99%) SQL Server
13 110 (13.50%) C#
14 109 (13.37%) Test Automation
15 107 (13.13%) Degree
16 104 (12.76%) Problem-Solving
17 103 (12.64%) Multithreading
18 102 (12.52%) Business Intelligence
19 100 (12.27%) ETL
19 100 (12.27%) Linux
19 100 (12.27%) Amazon AWS
20 96 (11.78%) Continuous Integration
20 96 (11.78%) HTML
21 95 (11.66%) TDD
21 95 (11.66%) Git (software)
22 92 (11.29%) CSS
23 88 (10.80%) Analytics
24 87 (10.67%) Big Data
25 85 (10.43%) Microsoft

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 49 (6.01%) Apache Spark
2 28 (3.44%) SharePoint
2 28 (3.44%) Tomcat
3 25 (3.07%) SAS
4 22 (2.70%) Apache
5 21 (2.58%) Apache Pig
6 17 (2.09%) Confluence
7 15 (1.84%) Elasticsearch
8 8 (0.98%) Apache Solr
8 8 (0.98%) CMS
9 4 (0.49%) JBoss
10 3 (0.37%) IIS
10 3 (0.37%) Oracle SOA Suite
10 3 (0.37%) WebSphere
11 1 (0.12%) Apache Airflow
11 1 (0.12%) Ethereum
11 1 (0.12%) Jetty
11 1 (0.12%) Luigi
11 1 (0.12%) OpenStack
11 1 (0.12%) Oracle Service Bus
Applications
1 48 (5.89%) Microsoft Excel
2 11 (1.35%) Microsoft Project
3 9 (1.10%) MS Visio
4 8 (0.98%) InVision
4 8 (0.98%) Microsoft Office
5 2 (0.25%) S-PLUS
6 1 (0.12%) AutoCAD
6 1 (0.12%) Microsoft PowerPoint
6 1 (0.12%) Revit
6 1 (0.12%) Spreadsheet
Business Applications
1 12 (1.47%) Markit EDM
2 6 (0.74%) Cognos TM1
3 5 (0.61%) SAP SRM
4 4 (0.49%) HiPortfolio
4 4 (0.49%) NetSuite
4 4 (0.49%) Salesforce.com CRM
4 4 (0.49%) SAP MM
5 3 (0.37%) Dynamics AX
5 3 (0.37%) Dynamics CRM
5 3 (0.37%) SAP ERP
6 2 (0.25%) Dynamics NAV
6 2 (0.25%) SAP MDG
6 2 (0.25%) SAP PLM
6 2 (0.25%) SAP S/4HANA
6 2 (0.25%) SAP SD
7 1 (0.12%) SAP FI
7 1 (0.12%) SAP MDG-S
7 1 (0.12%) SAP Oil and Gas
7 1 (0.12%) SAP R/3
7 1 (0.12%) SunGard GMI
Cloud Services
1 100 (12.27%) Amazon AWS
2 54 (6.63%) Microsoft Azure
3 26 (3.19%) GitHub
4 18 (2.21%) Heroku
4 18 (2.21%) SaaS
5 17 (2.09%) Amazon S3
6 15 (1.84%) Amazon EC2
6 15 (1.84%) npm
7 14 (1.72%) Google Analytics
8 8 (0.98%) Cloud Computing
8 8 (0.98%) Office 365
9 5 (0.61%) AWS CloudFormation
9 5 (0.61%) Boomi
9 5 (0.61%) iPaaS
10 4 (0.49%) Amazon Kinesis
10 4 (0.49%) PaaS
11 3 (0.37%) AdWords
11 3 (0.37%) Amazon Glacier
11 3 (0.37%) Google Cloud Platform
11 3 (0.37%) Salesforce Sales Cloud
Communications & Networking
1 16 (1.96%) TCP/IP
2 9 (1.10%) Reverse Proxy
3 8 (0.98%) Kerberos
4 7 (0.86%) Firewall
5 5 (0.61%) HTTP
5 5 (0.61%) Internet
6 4 (0.49%) SMS
7 3 (0.37%) FTP
8 2 (0.25%) DPNSS
8 2 (0.25%) Q.931
8 2 (0.25%) SAN
8 2 (0.25%) SSL
8 2 (0.25%) VoIP
8 2 (0.25%) VPN
9 1 (0.12%) Intrusion Detection
9 1 (0.12%) Multicast
9 1 (0.12%) NGN
9 1 (0.12%) OpenFlow
9 1 (0.12%) snoop
9 1 (0.12%) Wireless
Database & Business Intelligence
1 114 (13.99%) SQL Server
2 87 (10.67%) Big Data
3 74 (9.08%) Data Warehouse
4 60 (7.36%) Relational Database
5 58 (7.12%) NoSQL
6 57 (6.99%) Hadoop
7 47 (5.77%) SQL Server Integration Services
8 41 (5.03%) MongoDB
9 39 (4.79%) Apache Hive
10 36 (4.42%) MySQL
11 34 (4.17%) Power BI
12 33 (4.05%) BusinessObjects
13 27 (3.31%) SQL Server Reporting Services
14 26 (3.19%) PostgreSQL
15 23 (2.82%) Oracle Database
16 21 (2.58%) Data Mining
17 20 (2.45%) Pentaho
18 19 (2.33%) Amazon Redshift
19 18 (2.21%) Apache Cassandra
19 18 (2.21%) HBase
Development Applications
1 95 (11.66%) Git (software)
2 57 (6.99%) JIRA
3 48 (5.89%) Subversion
3 48 (5.89%) webpack
4 43 (5.28%) Jenkins
5 30 (3.68%) Visual Studio
6 27 (3.31%) Maven
7 24 (2.94%) gulp
7 24 (2.94%) Jasmine
8 23 (2.82%) Grunt
8 23 (2.82%) JUnit
9 21 (2.58%) Mercurial
10 18 (2.21%) Atlassian Bamboo
10 18 (2.21%) PostCSS
11 14 (1.72%) PhantomJS
12 13 (1.60%) TeamCity
13 10 (1.23%) Babel
14 9 (1.10%) Hudson
14 9 (1.10%) Selenium
15 8 (0.98%) Bitbucket
General
1 224 (27.48%) Finance
2 114 (13.99%) Banking
3 40 (4.91%) Front Office
4 30 (3.68%) Games
5 29 (3.56%) Retail
6 24 (2.94%) Investment Banking
7 17 (2.09%) Marketing
8 13 (1.60%) Back Office
9 12 (1.47%) Manufacturing
10 11 (1.35%) Legal
11 9 (1.10%) Law
11 9 (1.10%) Telecoms
12 5 (0.61%) Advertising
12 5 (0.61%) Financial Institution
12 5 (0.61%) Retail Banking
13 4 (0.49%) Local Government
13 4 (0.49%) Pharmaceutical
14 3 (0.37%) Billing
14 3 (0.37%) Electronics
15 2 (0.25%) Private Banking
Job Titles
1 407 (49.94%) Developer
2 143 (17.55%) Analyst
3 123 (15.09%) Java Developer
4 69 (8.47%) Senior Developer
5 66 (8.10%) Architect
6 52 (6.38%) Business Analyst
7 46 (5.64%) C# Developer
8 40 (4.91%) Data Analyst
8 40 (4.91%) Data Engineer
9 37 (4.54%) Python Developer
10 34 (4.17%) Data Architect
11 31 (3.80%) SQL Developer
12 30 (3.68%) Front End Developer (Client-Side Developer)
12 30 (3.68%) Senior Java Developer
13 27 (3.31%) JavaScript Developer
14 26 (3.19%) Business Intelligence Analyst
15 25 (3.07%) React Developer
16 24 (2.94%) Business Intelligence Developer
17 23 (2.82%) AWS Engineer
18 21 (2.58%) Python Engineer
Libraries, Frameworks & Software Standards
1 96 (11.78%) HTML
2 92 (11.29%) CSS
3 74 (9.08%) Web Services
4 71 (8.71%) Spring
5 70 (8.59%) .NET
5 70 (8.59%) XML
6 66 (8.10%) AngularJS
7 62 (7.61%) JSON
8 60 (7.36%) Redux
9 56 (6.87%) REST
10 51 (6.26%) React
11 48 (5.89%) Kafka
12 47 (5.77%) RESTful
13 43 (5.28%) HTML5
14 30 (3.68%) Node.js
15 27 (3.31%) SOAP
16 24 (2.94%) Chai
17 23 (2.82%) Hibernate
17 23 (2.82%) jQuery
18 22 (2.70%) Sass
Miscellaneous
1 212 (26.01%) Algorithms
2 139 (17.06%) Analytical Skills
3 117 (14.36%) Computer Science
4 67 (8.22%) User Experience
5 37 (4.54%) Management Information System
6 29 (3.56%) Mobile App
7 28 (3.44%) Greenfield Project
8 25 (3.07%) Reference Data
9 24 (2.94%) Derivative
9 24 (2.94%) Foreign Exchange (FX)
9 24 (2.94%) Self-Motivation
10 22 (2.70%) Fintech
11 17 (2.09%) Enterprise Software
11 17 (2.09%) Hedge funds
12 14 (1.72%) Equities
13 12 (1.47%) Virtual Team
14 9 (1.10%) Blog
15 7 (0.86%) Credit Risk
16 6 (0.74%) Fixed Income
16 6 (0.74%) Market Risk
Operating Systems
1 100 (12.27%) Linux
2 62 (7.61%) Unix
3 32 (3.93%) Windows
4 26 (3.19%) Apple iOS
5 25 (3.07%) Android
6 3 (0.37%) Mac OS X
7 2 (0.25%) SUSE Linux Enterprise Server
7 2 (0.25%) Ubuntu
7 2 (0.25%) VME
7 2 (0.25%) Windows Server
8 1 (0.12%) Windows 10
8 1 (0.12%) Windows 7
Processes & Methodologies
1 316 (38.77%) Agile Software Development
2 197 (24.17%) OO
3 132 (16.20%) Data Modelling
4 109 (13.37%) Test Automation
5 104 (12.76%) Problem-Solving
6 103 (12.64%) Multithreading
7 102 (12.52%) Business Intelligence
8 100 (12.27%) ETL
9 96 (11.78%) Continuous Integration
10 95 (11.66%) TDD
11 88 (10.80%) Analytics
12 75 (9.20%) DevOps
13 71 (8.71%) Migration
14 70 (8.59%) Data Analysis
15 63 (7.73%) OOD
16 61 (7.48%) OOP
17 57 (6.99%) Data Science
18 54 (6.63%) Machine Learning
18 54 (6.63%) Software Engineering
19 52 (6.38%) Open Source
Programming Languages
1 271 (33.25%) SQL
2 251 (30.80%) Java
3 149 (18.28%) JavaScript
4 146 (17.91%) Python
5 110 (13.50%) C#
6 63 (7.73%) Scala
7 51 (6.26%) C++
8 39 (4.79%) ES6
9 33 (4.05%) T-SQL
10 31 (3.80%) R
11 29 (3.56%) PL/SQL
12 23 (2.82%) Java 8
13 20 (2.45%) PowerShell
14 19 (2.33%) VBA
15 18 (2.21%) Perl
16 15 (1.84%) C
16 15 (1.84%) Objective-C
17 14 (1.72%) Bash Shell
17 14 (1.72%) Shell Script
18 13 (1.60%) TypeScript
Qualifications
1 107 (13.13%) Degree
2 36 (4.42%) Computer Science Degree
3 26 (3.19%) Security Cleared
4 15 (1.84%) Numerate Degree
5 11 (1.35%) CISSP
6 8 (0.98%) BPSS Clearance
6 8 (0.98%) SC Cleared
7 7 (0.86%) Master's Degree
8 6 (0.74%) DBS Check
8 6 (0.74%) PhD
9 5 (0.61%) DV Cleared
10 4 (0.49%) ISEB
10 4 (0.49%) ITIL Certification
11 3 (0.37%) SSCP
12 2 (0.25%) CCNP
12 2 (0.25%) Cisco Certification
12 2 (0.25%) CompTIA Security+
12 2 (0.25%) MCSE
12 2 (0.25%) Microsoft Certification
13 1 (0.12%) MCSA
Quality Assurance & Compliance
1 77 (9.45%) Data Quality
2 31 (3.80%) QA
3 27 (3.31%) GDPR
4 7 (0.86%) IFRS
4 7 (0.86%) IFRS 9
5 5 (0.61%) GCP
5 5 (0.61%) PMO
6 4 (0.49%) Disclosure Scotland
7 3 (0.37%) MiFID
7 3 (0.37%) SLA
8 1 (0.12%) BS7666
8 1 (0.12%) PSD2
8 1 (0.12%) Sarbanes-Oxley
System Software
1 43 (5.28%) Docker
2 10 (1.23%) Apache Flume
3 9 (1.10%) Active Directory
4 7 (0.86%) HDFS
4 7 (0.86%) Oracle Clusterware
4 7 (0.86%) Oracle RAC
5 6 (0.74%) Apache ZooKeeper
6 5 (0.61%) etcd
6 5 (0.61%) Varnish
7 1 (0.12%) Forefront TMG
7 1 (0.12%) Hyper-V
7 1 (0.12%) vCloud
7 1 (0.12%) vSphere
Systems Management
1 28 (3.44%) Opscode Chef
2 12 (1.47%) Puppet
3 10 (1.23%) Oozie
4 8 (0.98%) Kibana
5 7 (0.86%) Data Guard
5 7 (0.86%) Oracle Flashback
5 7 (0.86%) Oracle RMAN
6 6 (0.74%) Ansible
7 5 (0.61%) Consul
7 5 (0.61%) Kubernetes
7 5 (0.61%) Terraform
8 4 (0.49%) logstash
9 2 (0.25%) Ambari
9 2 (0.25%) Hadoop YARN
9 2 (0.25%) Prometheus
9 2 (0.25%) Single Sign-On
10 1 (0.12%) CA Endevor
10 1 (0.12%) CSIRT
10 1 (0.12%) Host Intrusion Detection System
10 1 (0.12%) Network Intrusion Detection System
Vendors
1 85 (10.43%) Microsoft
2 77 (9.45%) Oracle
3 45 (5.52%) SAP
4 33 (4.05%) Tableau
5 31 (3.80%) Salesforce.com
6 18 (2.21%) Twitter
7 17 (2.09%) IBM
8 16 (1.96%) Google
9 14 (1.72%) Cognos
9 14 (1.72%) Informatica
9 14 (1.72%) Teradata
10 12 (1.47%) MicroStrategy
10 12 (1.47%) Xamarin
11 10 (1.23%) Cloudera
12 9 (1.10%) Atlassian
12 9 (1.10%) hybris
12 9 (1.10%) Sybase
13 8 (0.98%) Adobe
14 7 (0.86%) TIBCO
15 6 (0.74%) Splunk