Period
to 24 September 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 24 September 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
24 Sep 2017
Same period 2016 Same period 2015
Rank 287 391 432
Rank change year-on-year +104 +41 -85
Contract jobs citing Data Structures 856 630 589
As % of all contract IT jobs advertised in the UK 0.88% 0.59% 0.52%
As % of the Miscellaneous category 2.63% 1.77% 1.60%
Number of daily rates quoted 589 441 404
UK median daily rate £450 £425 £450
Median daily rate % change year-on-year +5.88% -5.56% +2.86%
10th Percentile £363 £263 £300
90th Percentile £650 £638 £688
UK excluding London median daily rate £413 £395 £375
% change year-on-year +4.43% +5.33% -
Number of hourly rates quoted 8 9 12
UK median hourly rate £35.00 £25.00 £42.50
Median hourly rate % change year-on-year +40.00% -41.18% +41.67%
10th Percentile £27.00 £11.10 £21.25
90th Percentile £53.30 £46.88 £47.45
UK excluding London median hourly rate £35.00 £12.50 £42.50
% change year-on-year +180.00% -70.59% +41.67%

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 32551 35561 36742
As % of all contract IT jobs advertised in the UK 33.44% 33.34% 32.18%
Number of daily rates quoted 21366 23347 23128
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £263 £250 £240
90th Percentile £650 £625 £613
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00% +7.14%
Number of hourly rates quoted 966 1192 1428
UK median hourly rate £21.90 £20.38 £18.89
Median hourly rate % change year-on-year +7.46% +7.89% -3.75%
10th Percentile £11.25 £11.51 £11.17
90th Percentile £50.00 £46.75 £47.50
UK excluding London median hourly rate £21.00 £21.00 £18.00
% change year-on-year - +16.67% -5.26%

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 24 September 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 24 September 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 24 September 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 +79 679 £475 +9.51% 90
London +66 446 £525 +10.53% 48
UK excluding London +107 396 £413 +4.43% 46
Northern Ireland - 105 £425 -
South East +52 86 £400 +3.23% 4
North of England +45 63 £425 +6.25% 18
Scotland +46 60 £380 +38.18% 4
Midlands +32 43 £425 +4.81% 10
Yorkshire +31 36 £423 +5.63% 9
North West +11 24 £425 +6.25% 9
West Midlands +22 23 £431 +11.10% 6
East Midlands +14 19 £425 -5.56% 4
South West +1 18 £350 -12.50% 3
East of England -27 17 £369 -1.67% 7
Wales -6 4 £240 -41.82%
North East +64 3 £300 -7.69%

For the 6 months to 24 September 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.

1 394 (46.03%) Agile Software Development
2 347 (40.54%) Java
3 301 (35.16%) SQL
4 258 (30.14%) Finance
5 224 (26.17%) OO
6 186 (21.73%) Banking
7 183 (21.38%) Algorithms
8 172 (20.09%) Test Automation
9 165 (19.28%) Data Modelling
10 128 (14.95%) TDD
11 126 (14.72%) Continuous Integration
12 119 (13.90%) JavaScript
13 118 (13.79%) Business Intelligence
14 112 (13.08%) Analytical Skills
15 107 (12.50%) SQL Server
15 107 (12.50%) Investment Banking
16 99 (11.57%) Python
17 97 (11.33%) Functional Programming
18 95 (11.10%) Degree
19 94 (10.98%) Multithreading
20 93 (10.86%) Git (software)
21 92 (10.75%) Data Analysis
22 91 (10.63%) Linux
23 89 (10.40%) Migration
23 89 (10.40%) Spring
24 85 (9.93%) NoSQL
25 84 (9.81%) ETL
26 83 (9.70%) Data Quality
27 75 (8.76%) Data Migration
27 75 (8.76%) C#

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 23 (2.69%) Elasticsearch
2 20 (2.34%) Apache Spark
3 18 (2.10%) Apache
4 16 (1.87%) SAS
5 13 (1.52%) Confluence
6 11 (1.29%) Apache Solr
7 9 (1.05%) IIS
8 8 (0.93%) WebSphere
9 7 (0.82%) CMS
9 7 (0.82%) Tomcat
9 7 (0.82%) WebLogic
10 6 (0.70%) DataSynapse
11 5 (0.58%) SharePoint
12 4 (0.47%) Oracle Coherence
13 3 (0.35%) BizTalk Server
13 3 (0.35%) Oracle SOA Suite
14 2 (0.23%) Jupyter
15 1 (0.12%) ArcGIS
15 1 (0.12%) Ethereum
15 1 (0.12%) OpenStack
Applications
1 37 (4.32%) Microsoft Excel
2 15 (1.75%) MS Visio
3 8 (0.93%) Microsoft Office
4 6 (0.70%) SPSS
5 5 (0.58%) Adobe Illustrator
5 5 (0.58%) Photoshop
5 5 (0.58%) Spreadsheet
6 3 (0.35%) Microsoft PowerPoint
7 2 (0.23%) Mingle
8 1 (0.12%) Adobe Creative Suite
8 1 (0.12%) InVision
8 1 (0.12%) S-PLUS
8 1 (0.12%) Stata
Business Applications
1 12 (1.40%) Hyperion Planning
2 8 (0.93%) SAP FI
3 7 (0.82%) Markit EDM
3 7 (0.82%) SAP CO
3 7 (0.82%) SAP FI/CO
3 7 (0.82%) SAP MDM
3 7 (0.82%) SAP MM
3 7 (0.82%) Unica
4 6 (0.70%) Dynamics AX
4 6 (0.70%) SAP APO
5 5 (0.58%) Infor M3
5 5 (0.58%) SAP CAR
5 5 (0.58%) SAP POS DM
5 5 (0.58%) SAP Retail
6 4 (0.47%) Cognos TM1
7 3 (0.35%) Dynamics CRM
7 3 (0.35%) Dynamics GP
7 3 (0.35%) Oracle EBS
8 2 (0.23%) MetaTrader
8 2 (0.23%) Oracle EBS R12
Cloud Services
1 47 (5.49%) Amazon AWS
2 18 (2.10%) Heroku
3 17 (1.99%) AWS CloudFormation
4 10 (1.17%) npm
5 9 (1.05%) Microsoft Azure
6 8 (0.93%) Amazon S3
7 7 (0.82%) Amazon Glacier
7 7 (0.82%) GitHub
8 6 (0.70%) Amazon EC2
8 6 (0.70%) Amazon EMR
9 5 (0.58%) Cloud Computing
10 4 (0.47%) SaaS
11 3 (0.35%) Google App Engine
11 3 (0.35%) Google Cloud Platform
11 3 (0.35%) Office 365
12 2 (0.23%) Boomi
12 2 (0.23%) Dynamics 365
12 2 (0.23%) Salesforce Sales Cloud
12 2 (0.23%) Salesforce Service Cloud
12 2 (0.23%) Trello
Communications & Networking
1 8 (0.93%) TCP/IP
2 6 (0.70%) DPNSS
2 6 (0.70%) Q.931
3 3 (0.35%) HTTP
3 3 (0.35%) Internet
3 3 (0.35%) Intranet
4 2 (0.23%) DMS-100
4 2 (0.23%) FTP
4 2 (0.23%) Kerberos
4 2 (0.23%) SMS
5 1 (0.12%) Firewall
5 1 (0.12%) PBX
5 1 (0.12%) PSTN
5 1 (0.12%) Skype
5 1 (0.12%) SSL
Database & Business Intelligence
1 107 (12.50%) SQL Server
2 85 (9.93%) NoSQL
3 56 (6.54%) Data Warehouse
4 55 (6.43%) MongoDB
5 50 (5.84%) Big Data
6 49 (5.72%) SQL Server Integration Services
7 43 (5.02%) Relational Database
8 40 (4.67%) Hadoop
9 32 (3.74%) PostgreSQL
10 29 (3.39%) SQL Server Reporting Services
11 23 (2.69%) Apache Cassandra
12 21 (2.45%) QlikView
13 20 (2.34%) DB2
14 19 (2.22%) HBase
14 19 (2.22%) SQL Server Analysis Services
15 18 (2.10%) Apache Hive
16 16 (1.87%) BusinessObjects
16 16 (1.87%) Power BI
16 16 (1.87%) RDBMS
17 14 (1.64%) SQL Server 2008
Development Applications
1 93 (10.86%) Git (software)
2 52 (6.07%) Subversion
3 42 (4.91%) JIRA
4 40 (4.67%) Mercurial
5 38 (4.44%) Maven
6 29 (3.39%) IntelliJ
7 26 (3.04%) Visual Studio
8 21 (2.45%) Jenkins
9 16 (1.87%) Grunt
10 13 (1.52%) JUnit
10 13 (1.52%) RSpec
11 12 (1.40%) Talend Open Studio
12 9 (1.05%) Team Foundation Server
13 7 (0.82%) Eclipse
13 7 (0.82%) ERwin
13 7 (0.82%) Gradle
14 6 (0.70%) NetBeans
14 6 (0.70%) webpack
15 5 (0.58%) Mockito
15 5 (0.58%) Xcode
General
1 258 (30.14%) Finance
2 186 (21.73%) Banking
3 107 (12.50%) Investment Banking
4 74 (8.64%) Front Office
5 39 (4.56%) Marketing
6 29 (3.39%) Telecoms
7 23 (2.69%) Retail
8 18 (2.10%) Back Office
9 15 (1.75%) Legal
10 14 (1.64%) Manufacturing
11 13 (1.52%) Electronics
12 11 (1.29%) Advertising
12 11 (1.29%) Pharmaceutical
13 9 (1.05%) Games
14 6 (0.70%) Corporate Banking
14 6 (0.70%) Financial Institution
15 5 (0.58%) General Ledger
16 4 (0.47%) Publishing
17 3 (0.35%) Automotive
17 3 (0.35%) Local Government
Job Titles
1 488 (57.01%) Developer
2 232 (27.10%) Java Developer
3 169 (19.74%) Analyst
4 135 (15.77%) Senior Developer
5 102 (11.92%) Senior Java Developer
6 99 (11.57%) Agile Developer
7 88 (10.28%) Agile Java Developer
8 82 (9.58%) Investment Banking Java Developer
9 80 (9.35%) Data Analyst
10 76 (8.88%) Senior Agile Developer
11 74 (8.64%) Senior Agile Java Developer
12 71 (8.29%) Senior Investment Banking Java Developer
13 69 (8.06%) Business Analyst
14 62 (7.24%) Architect
15 48 (5.61%) C# Developer
16 40 (4.67%) SQL Developer
17 34 (3.97%) Consultant
18 29 (3.39%) Python Developer
19 27 (3.15%) Scala Developer
20 26 (3.04%) Data Architect
Libraries, Frameworks & Software Standards
1 89 (10.40%) Spring
2 63 (7.36%) JSON
3 56 (6.54%) HTML
4 55 (6.43%) Web Services
5 50 (5.84%) REST
6 47 (5.49%) AngularJS
7 45 (5.26%) XML
8 43 (5.02%) HTML5
9 42 (4.91%) .NET
9 42 (4.91%) CSS
9 42 (4.91%) Hibernate
10 41 (4.79%) Node.js
11 34 (3.97%) Spring Boot
12 29 (3.39%) RESTful
13 28 (3.27%) React
14 25 (2.92%) Kafka
15 23 (2.69%) WPF
16 22 (2.57%) SOAP
17 21 (2.45%) CSS3
18 20 (2.34%) WebSockets
Miscellaneous
1 183 (21.38%) Algorithms
2 112 (13.08%) Analytical Skills
3 71 (8.29%) Computer Science
4 59 (6.89%) Derivative
5 51 (5.96%) User Experience
6 48 (5.61%) Management Information System
7 36 (4.21%) Foreign Exchange (FX)
8 30 (3.50%) Fixed Income
9 23 (2.69%) Greenfield Project
10 22 (2.57%) Hedge funds
11 19 (2.22%) Equities
11 19 (2.22%) Mobile App
12 17 (1.99%) Reference Data
13 15 (1.75%) iPhone
14 14 (1.64%) Grid Computing
15 12 (1.40%) Market Risk
15 12 (1.40%) NHS
16 11 (1.29%) Interest Rate Derivative
17 10 (1.17%) Equity Derivative
18 8 (0.93%) Blog
Operating Systems
1 91 (10.63%) Linux
2 71 (8.29%) Unix
3 25 (2.92%) Windows
4 23 (2.69%) Apple iOS
5 11 (1.29%) Mac OS X
6 10 (1.17%) Android
7 3 (0.35%) HPUX
8 2 (0.23%) Windows Server
9 1 (0.12%) Mac OS
9 1 (0.12%) Ubuntu
9 1 (0.12%) Windows Vista
Processes & Methodologies
1 394 (46.03%) Agile Software Development
2 224 (26.17%) OO
3 172 (20.09%) Test Automation
4 165 (19.28%) Data Modelling
5 128 (14.95%) TDD
6 126 (14.72%) Continuous Integration
7 118 (13.79%) Business Intelligence
8 97 (11.33%) Functional Programming
9 94 (10.98%) Multithreading
10 92 (10.75%) Data Analysis
11 89 (10.40%) Migration
12 84 (9.81%) ETL
13 75 (8.76%) Data Migration
14 73 (8.53%) Data Management
15 70 (8.18%) Analytics
16 57 (6.66%) Software Engineering
17 56 (6.54%) Business Analysis
17 56 (6.54%) Scrum
18 51 (5.96%) Microservices
19 46 (5.37%) Kanban
Programming Languages
1 347 (40.54%) Java
2 301 (35.16%) SQL
3 119 (13.90%) JavaScript
4 99 (11.57%) Python
5 75 (8.76%) C#
6 61 (7.13%) C++
7 60 (7.01%) Scala
8 56 (6.54%) T-SQL
9 24 (2.80%) C
10 23 (2.69%) Shell Script
11 21 (2.45%) Ruby
12 17 (1.99%) Apple Swift
13 15 (1.75%) R
14 12 (1.40%) Groovy
14 12 (1.40%) PL/SQL
15 10 (1.17%) Go
16 9 (1.05%) Perl
16 9 (1.05%) TypeScript
17 8 (0.93%) Objective-C
17 8 (0.93%) VBA
Qualifications
1 95 (11.10%) Degree
2 42 (4.91%) Security Cleared
3 26 (3.04%) Computer Science Degree
4 25 (2.92%) SC Cleared
5 18 (2.10%) PhD
6 11 (1.29%) BPSS Clearance
7 6 (0.70%) CTC Cleared
8 5 (0.58%) ISEB
9 4 (0.47%) DV Cleared
9 4 (0.47%) Sun Certification
10 3 (0.35%) HND
11 2 (0.23%) A+ Certification
11 2 (0.23%) ITIL Foundation Certificate
11 2 (0.23%) Numerate Degree
12 1 (0.12%) ITIL Certification
12 1 (0.12%) Master's Degree
12 1 (0.12%) PMI Certification
12 1 (0.12%) PMP
12 1 (0.12%) Postgraduate
12 1 (0.12%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 83 (9.70%) Data Quality
2 28 (3.27%) QA
3 14 (1.64%) GDPR
4 8 (0.93%) MiFID
5 7 (0.82%) PMO
6 6 (0.70%) GxP
6 6 (0.70%) Sarbanes-Oxley
7 3 (0.35%) Disclosure Scotland
8 2 (0.23%) IFRS
8 2 (0.23%) IFRS 9
8 2 (0.23%) SLA
9 1 (0.12%) Actionable Recommendations
9 1 (0.12%) EMIR
9 1 (0.12%) GCP
9 1 (0.12%) Solvency II
9 1 (0.12%) UCITS
System Software
1 22 (2.57%) Docker
2 4 (0.47%) Active Directory
2 4 (0.47%) Platform Symphony
3 2 (0.23%) HDFS
4 1 (0.12%) Oracle RAC
Systems Management
1 25 (2.92%) logstash
2 17 (1.99%) Terraform
3 8 (0.93%) ITRS Geneos
3 8 (0.93%) Kibana
3 8 (0.93%) Kubernetes
3 8 (0.93%) Prometheus
4 5 (0.58%) Opscode Chef
5 3 (0.35%) Ansible
5 3 (0.35%) Oracle EDQ
6 2 (0.23%) Oracle Enterprise Manager
6 2 (0.23%) Thomson Reuters DACS
7 1 (0.12%) Enterprise Manager Cloud Control
7 1 (0.12%) Hadoop YARN
7 1 (0.12%) Mesos
7 1 (0.12%) Puppet
7 1 (0.12%) Tivoli
Vendors
1 68 (7.94%) Oracle
2 53 (6.19%) Microsoft
3 49 (5.72%) SAP
4 35 (4.09%) Tableau
5 24 (2.80%) IBM
6 22 (2.57%) Salesforce.com
6 22 (2.57%) Splunk
7 20 (2.34%) Cognos
8 16 (1.87%) Cloudera
9 15 (1.75%) Sybase
10 13 (1.52%) Hyperion
10 13 (1.52%) TIBCO
11 12 (1.40%) Talend
12 11 (1.29%) Informatica
12 11 (1.29%) Perforce
13 9 (1.05%) Netezza
14 8 (0.93%) AppDynamics
14 8 (0.93%) JDA
14 8 (0.93%) ServiceNow
14 8 (0.93%) Teradata