Period
to 17 November 2017

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 17 November 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
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 263 394 406
Rank change year-on-year +131 +12 -75
Contract jobs citing Data Structures 996 629 631
As % of all contract IT jobs advertised in the UK 0.97% 0.59% 0.55%
As % of the Miscellaneous category 2.88% 1.79% 1.69%
Number of daily rates quoted 695 447 432
UK median daily rate £460 £438 £475
Median daily rate % change year-on-year +5.14% -7.89% +11.76%
10th Percentile £363 £260 £300
90th Percentile £675 £650 £700
UK excluding London median daily rate £425 £389 £375
% change year-on-year +9.32% +3.67% -6.25%
Number of hourly rates quoted 14 6 17
UK median hourly rate £35.00 £33.25 £22.50
Median hourly rate % change year-on-year +5.26% +47.78% -26.23%
10th Percentile £27.00 £11.94 £18.75
90th Percentile £56.15 £47.50 £47.20
UK excluding London median hourly rate £35.00 £34.00 £32.50
% change year-on-year +2.94% +4.62% +6.56%

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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Contract vacancies with a requirement for generic IT skills 34549 35124 37370
As % of all contract IT jobs advertised in the UK 33.61% 33.14% 32.51%
Number of daily rates quoted 22925 23050 23744
UK median daily rate £450 £425 £420
Median daily rate % change year-on-year +5.88% +1.19% +5.00%
10th Percentile £263 £250 £240
90th Percentile £650 £625 £615
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00% +7.14%
Number of hourly rates quoted 1012 1204 1476
UK median hourly rate £20.92 £20.92 £19.22
Median hourly rate % change year-on-year +0.04% +8.82% +6.78%
10th Percentile £11.25 £11.72 £11.25
90th Percentile £48.75 £47.50 £47.29
UK excluding London median hourly rate £20.12 £21.00 £19.00
% change year-on-year -4.19% +10.53% +8.57%

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 17 November 2017.

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 17 November 2017.

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 17 November 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
England +117 823 £475 +5.56% 80
London +107 567 £525 +7.69% 51
UK excluding London +101 417 £425 +9.32% 32
Northern Ireland - 98 £425 - 1
South East +30 86 £413 +3.13% 2
North of England +73 79 £425 +3.03% 11
Scotland +17 63 £380 +46.15% 1
Midlands +15 40 £425 +5.52% 4
North West +25 37 £450 +9.76% 5
Yorkshire +44 36 £425 +3.03% 5
South West -5 25 £381 +5.17% 7
West Midlands +7 21 £388 +10.71% 3
East of England -34 20 £400 +0.95% 5
East Midlands +4 18 £450 -3.23% 1
Wales +5 6 £420 -16.00% 1
North East +65 5 £300 -33.33% 1

For the 6 months to 17 November 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 with a requirement for Data Structures.

1 451 (45.28%) Agile Software Development
2 418 (41.97%) Java
3 361 (36.24%) SQL
4 271 (27.21%) Finance
5 263 (26.41%) OO
6 228 (22.89%) Algorithms
7 210 (21.08%) Test Automation
8 196 (19.68%) Banking
9 172 (17.27%) Data Modelling
10 159 (15.96%) TDD
11 157 (15.76%) Continuous Integration
12 151 (15.16%) JavaScript
13 138 (13.86%) Spring
14 130 (13.05%) Git (software)
15 127 (12.75%) Business Intelligence
16 126 (12.65%) SQL Server
16 126 (12.65%) Multithreading
17 124 (12.45%) Analytical Skills
18 119 (11.95%) Linux
19 115 (11.55%) Python
20 109 (10.94%) Degree
21 106 (10.64%) Investment Banking
22 102 (10.24%) JSON
23 101 (10.14%) C#
24 100 (10.04%) Web Services
25 99 (9.94%) Migration
25 99 (9.94%) Data Analysis
25 99 (9.94%) NoSQL
26 95 (9.54%) ETL
27 92 (9.24%) Functional Programming

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 22 (2.21%) Apache Spark
1 22 (2.21%) Tomcat
2 20 (2.01%) Apache
3 18 (1.81%) IIS
4 16 (1.61%) Confluence
4 16 (1.61%) Elasticsearch
5 14 (1.41%) Apache Solr
6 11 (1.10%) SAS
6 11 (1.10%) WebSphere
7 9 (0.90%) WebLogic
8 5 (0.50%) BizTalk Server
8 5 (0.50%) CMS
9 4 (0.40%) DataSynapse
9 4 (0.40%) Oracle Coherence
9 4 (0.40%) SharePoint
10 3 (0.30%) Oracle SOA Suite
11 2 (0.20%) Jupyter
11 2 (0.20%) WebSphere Application Server
12 1 (0.10%) Ethereum
12 1 (0.10%) Mule ESB
Applications
1 42 (4.22%) Microsoft Excel
2 16 (1.61%) MS Visio
3 10 (1.00%) Microsoft Office
4 5 (0.50%) Adobe Illustrator
4 5 (0.50%) Photoshop
5 4 (0.40%) Microsoft PowerPoint
5 4 (0.40%) SPSS
6 2 (0.20%) InVision
6 2 (0.20%) S-PLUS
6 2 (0.20%) Spreadsheet
7 1 (0.10%) Adobe Creative Suite
7 1 (0.10%) Mingle
7 1 (0.10%) Stata
Business Applications
1 13 (1.31%) Hyperion Planning
2 11 (1.10%) SAP MM
3 9 (0.90%) Markit EDM
3 9 (0.90%) Unica
4 7 (0.70%) SAP MDM
5 6 (0.60%) SAP APO
6 5 (0.50%) Dynamics CRM
6 5 (0.50%) SAP CAR
6 5 (0.50%) SAP FI
6 5 (0.50%) SAP POS DM
6 5 (0.50%) SAP Retail
6 5 (0.50%) SAP SRM
6 5 (0.50%) SunGard GMI
7 4 (0.40%) Cognos TM1
7 4 (0.40%) Dynamics AX
7 4 (0.40%) SAP CO
7 4 (0.40%) SAP FI/CO
8 3 (0.30%) Cognos Business Intelligence
8 3 (0.30%) Dynamics GP
8 3 (0.30%) Oracle EBS
Cloud Services
1 81 (8.13%) Amazon AWS
2 30 (3.01%) Microsoft Azure
3 15 (1.51%) npm
4 13 (1.31%) AWS CloudFormation
5 10 (1.00%) Amazon S3
5 10 (1.00%) GitHub
5 10 (1.00%) Heroku
6 9 (0.90%) Amazon Glacier
7 7 (0.70%) Amazon EC2
7 7 (0.70%) SaaS
8 6 (0.60%) Amazon EMR
9 4 (0.40%) Boomi
9 4 (0.40%) Cloud Computing
9 4 (0.40%) Salesforce Sales Cloud
10 3 (0.30%) Google App Engine
10 3 (0.30%) Google Cloud Platform
10 3 (0.30%) Office 365
11 2 (0.20%) Dynamics 365
11 2 (0.20%) Firebase
11 2 (0.20%) Salesforce Service Cloud
Communications & Networking
1 13 (1.31%) TCP/IP
2 8 (0.80%) DPNSS
2 8 (0.80%) Q.931
3 7 (0.70%) HTTP
3 7 (0.70%) Internet
4 4 (0.40%) FTP
5 3 (0.30%) Intranet
6 2 (0.20%) DMS-100
6 2 (0.20%) SMS
7 1 (0.10%) DHCP
7 1 (0.10%) DNS
7 1 (0.10%) Kerberos
7 1 (0.10%) PBX
7 1 (0.10%) PSTN
7 1 (0.10%) SMTP
7 1 (0.10%) snoop
7 1 (0.10%) SSL
Database & Business Intelligence
1 126 (12.65%) SQL Server
2 99 (9.94%) NoSQL
3 80 (8.03%) MongoDB
4 56 (5.62%) Big Data
5 53 (5.32%) Relational Database
6 52 (5.22%) Data Warehouse
7 49 (4.92%) SQL Server Integration Services
8 45 (4.52%) Hadoop
9 44 (4.42%) PostgreSQL
10 29 (2.91%) Apache Cassandra
11 27 (2.71%) SQL Server Reporting Services
12 25 (2.51%) HBase
13 19 (1.91%) MySQL
14 18 (1.81%) QlikView
14 18 (1.81%) SQL Server Analysis Services
15 16 (1.61%) Apache Hive
15 16 (1.61%) DB2
15 16 (1.61%) Oracle Database
16 15 (1.51%) BusinessObjects
16 15 (1.51%) SQL Server 2008
Development Applications
1 130 (13.05%) Git (software)
2 74 (7.43%) Subversion
3 60 (6.02%) Mercurial
4 59 (5.92%) JIRA
5 57 (5.72%) Maven
6 41 (4.12%) IntelliJ
7 36 (3.61%) Visual Studio
8 29 (2.91%) Jenkins
9 25 (2.51%) Grunt
10 22 (2.21%) webpack
11 21 (2.11%) JUnit
12 16 (1.61%) gulp
13 13 (1.31%) Talend Open Studio
13 13 (1.31%) Team Foundation Server
14 10 (1.00%) Babel
15 9 (0.90%) Jasmine
15 9 (0.90%) PhantomJS
16 8 (0.80%) ERwin
16 8 (0.80%) RSpec
16 8 (0.80%) TestNG
General
1 271 (27.21%) Finance
2 196 (19.68%) Banking
3 106 (10.64%) Investment Banking
4 83 (8.33%) Front Office
5 48 (4.82%) Marketing
6 31 (3.11%) Telecoms
7 30 (3.01%) Retail
8 21 (2.11%) Legal
9 19 (1.91%) Back Office
10 18 (1.81%) Manufacturing
11 15 (1.51%) Advertising
11 15 (1.51%) Electronics
11 15 (1.51%) Games
12 12 (1.20%) Pharmaceutical
13 9 (0.90%) Financial Institution
14 7 (0.70%) Corporate Banking
15 6 (0.60%) Law
16 5 (0.50%) General Ledger
17 3 (0.30%) Automotive
17 3 (0.30%) Private Banking
Job Titles
1 584 (58.63%) Developer
2 271 (27.21%) Java Developer
3 169 (16.97%) Analyst
4 145 (14.56%) Senior Developer
5 102 (10.24%) Senior Java Developer
6 91 (9.14%) Agile Developer
7 83 (8.33%) Agile Java Developer
8 79 (7.93%) Investment Banking Java Developer
9 74 (7.43%) Data Analyst
10 72 (7.23%) Senior Agile Developer
11 70 (7.03%) Senior Agile Java Developer
12 67 (6.73%) Architect
12 67 (6.73%) Senior Investment Banking Java Developer
13 63 (6.33%) Business Analyst
14 61 (6.12%) C# Developer
15 51 (5.12%) SQL Developer
16 42 (4.22%) Consultant
17 33 (3.31%) Python Developer
18 31 (3.11%) Data Architect
19 30 (3.01%) C++ Developer
Libraries, Frameworks & Software Standards
1 138 (13.86%) Spring
2 102 (10.24%) JSON
3 100 (10.04%) Web Services
4 76 (7.63%) XML
5 72 (7.23%) .NET
6 70 (7.03%) REST
7 66 (6.63%) Hibernate
8 61 (6.12%) HTML
9 59 (5.92%) CSS
10 53 (5.32%) AngularJS
11 50 (5.02%) Spring Boot
12 44 (4.42%) RESTful
13 43 (4.32%) HTML5
14 42 (4.22%) Kafka
15 41 (4.12%) React
16 34 (3.41%) Node.js
17 33 (3.31%) SOAP
18 28 (2.81%) WPF
19 24 (2.41%) WCF
20 23 (2.31%) J2EE
Miscellaneous
1 228 (22.89%) Algorithms
2 124 (12.45%) Analytical Skills
3 88 (8.84%) Computer Science
4 68 (6.83%) User Experience
5 57 (5.72%) Management Information System
6 51 (5.12%) Foreign Exchange (FX)
7 50 (5.02%) Derivative
8 34 (3.41%) Fixed Income
9 30 (3.01%) Equities
10 25 (2.51%) Greenfield Project
11 23 (2.31%) Mobile App
12 22 (2.21%) Hedge funds
13 20 (2.01%) Reference Data
14 15 (1.51%) Enterprise Software
15 11 (1.10%) Grid Computing
16 10 (1.00%) Blog
16 10 (1.00%) iPhone
17 9 (0.90%) Market Risk
18 8 (0.80%) NHS
19 7 (0.70%) AS400
Operating Systems
1 119 (11.95%) Linux
2 75 (7.53%) Unix
3 37 (3.71%) Windows
4 17 (1.71%) Apple iOS
5 14 (1.41%) Mac OS X
6 11 (1.10%) Android
7 3 (0.30%) HPUX
8 2 (0.20%) Windows Server
9 1 (0.10%) Mac OS
9 1 (0.10%) Oracle Linux
9 1 (0.10%) Ubuntu
9 1 (0.10%) Windows 10
9 1 (0.10%) Windows 7
9 1 (0.10%) Windows Server 2003
Processes & Methodologies
1 451 (45.28%) Agile Software Development
2 263 (26.41%) OO
3 210 (21.08%) Test Automation
4 172 (17.27%) Data Modelling
5 159 (15.96%) TDD
6 157 (15.76%) Continuous Integration
7 127 (12.75%) Business Intelligence
8 126 (12.65%) Multithreading
9 99 (9.94%) Data Analysis
9 99 (9.94%) Migration
10 95 (9.54%) ETL
11 92 (9.24%) Functional Programming
12 87 (8.73%) Data Migration
13 83 (8.33%) Analytics
13 83 (8.33%) Software Engineering
14 76 (7.63%) Data Management
15 62 (6.22%) Microservices
15 62 (6.22%) SDLC
16 61 (6.12%) Data Architecture
17 57 (5.72%) BDD
Programming Languages
1 418 (41.97%) Java
2 361 (36.24%) SQL
3 151 (15.16%) JavaScript
4 115 (11.55%) Python
5 101 (10.14%) C#
6 67 (6.73%) Scala
6 67 (6.73%) T-SQL
7 63 (6.33%) C++
8 29 (2.91%) Shell Script
9 27 (2.71%) C
10 19 (1.91%) PL/SQL
11 18 (1.81%) Ruby
12 16 (1.61%) Groovy
12 16 (1.61%) R
13 13 (1.31%) PowerShell
14 12 (1.20%) Go
15 11 (1.10%) Apple Swift
15 11 (1.10%) ES6
16 10 (1.00%) VBA
17 9 (0.90%) Bash Shell
Qualifications
1 109 (10.94%) Degree
2 57 (5.72%) Security Cleared
3 31 (3.11%) SC Cleared
4 30 (3.01%) Computer Science Degree
5 24 (2.41%) PhD
6 16 (1.61%) BPSS Clearance
7 14 (1.41%) DV Cleared
8 7 (0.70%) Numerate Degree
9 6 (0.60%) CTC Cleared
9 6 (0.60%) ISEB
10 5 (0.50%) HND
11 4 (0.40%) ITIL Certification
11 4 (0.40%) Sun Certification
12 2 (0.20%) ITIL Foundation Certificate
12 2 (0.20%) Microsoft Certification
13 1 (0.10%) APMP
13 1 (0.10%) DBS Check
13 1 (0.10%) Master's Degree
13 1 (0.10%) PRINCE2 Practitioner
13 1 (0.10%) SAP Certification
Quality Assurance & Compliance
1 92 (9.24%) Data Quality
2 45 (4.52%) QA
3 24 (2.41%) GDPR
4 15 (1.51%) MiFID
5 6 (0.60%) GxP
5 6 (0.60%) PMO
5 6 (0.60%) Sarbanes-Oxley
6 3 (0.30%) Disclosure Scotland
6 3 (0.30%) IFRS
6 3 (0.30%) IFRS 9
7 2 (0.20%) GCP
7 2 (0.20%) SLA
System Software
1 40 (4.02%) Docker
2 10 (1.00%) Oracle RAC
3 9 (0.90%) Oracle Clusterware
4 6 (0.60%) Apache ZooKeeper
4 6 (0.60%) etcd
4 6 (0.60%) Varnish
5 4 (0.40%) Active Directory
5 4 (0.40%) Platform Symphony
6 2 (0.20%) HDFS
7 1 (0.10%) VMware Infrastructure
Systems Management
1 17 (1.71%) logstash
2 14 (1.41%) Kubernetes
2 14 (1.41%) Opscode Chef
3 13 (1.31%) Terraform
4 10 (1.00%) Kibana
4 10 (1.00%) Prometheus
5 9 (0.90%) Data Guard
5 9 (0.90%) Oracle Flashback
5 9 (0.90%) Oracle RMAN
6 8 (0.80%) ITRS Geneos
7 6 (0.60%) Consul
8 4 (0.40%) Ansible
8 4 (0.40%) Puppet
9 2 (0.20%) HP Quality Center
9 2 (0.20%) Thomson Reuters DACS
10 1 (0.10%) Cisco IPCC
10 1 (0.10%) Enterprise Manager Cloud Control
10 1 (0.10%) Hadoop YARN
10 1 (0.10%) Oracle Enterprise Manager
10 1 (0.10%) Tivoli
Vendors
1 79 (7.93%) Oracle
2 76 (7.63%) Microsoft
3 49 (4.92%) SAP
4 43 (4.32%) Tableau
5 30 (3.01%) IBM
5 30 (3.01%) Salesforce.com
6 24 (2.41%) Splunk
7 23 (2.31%) Cognos
8 17 (1.71%) Cloudera
9 16 (1.61%) ServiceNow
10 15 (1.51%) Hyperion
10 15 (1.51%) TIBCO
11 13 (1.31%) Talend
12 10 (1.00%) AppDynamics
12 10 (1.00%) Informatica
13 9 (0.90%) Perforce
14 8 (0.80%) JDA
14 8 (0.80%) Teradata
15 7 (0.70%) MicroStrategy
15 7 (0.70%) Red Hat