Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
Period
to 28 July 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 28 July 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
28 Jul 2017		 Same period 2016 Same period 2015
Rank 289 412 408
Rank change year-on-year +123 -4 -44
Contract jobs citing Data Structures 804 612 629
As % of all contract IT jobs advertised in the UK 0.84% 0.56% 0.56%
As % of the Miscellaneous category 2.50% 1.69% 1.75%
Number of daily rates quoted 556 417 403
UK median daily rate £440 £425 £438
Median daily rate % change year-on-year +3.53% -2.86% +2.94%
10th Percentile £330 £263 £290
90th Percentile £650 £655 £663
UK excluding London median daily rate £413 £389 £375
% change year-on-year +6.11% +3.67% -
Number of hourly rates quoted 6 17 11
UK median hourly rate £33.75 £35.00 £22.50
Median hourly rate % change year-on-year -3.57% +55.56% -21.05%
10th Percentile £25.00 £11.85 £14.88
90th Percentile £37.50 £46.93 £43.75
UK excluding London median hourly rate £33.75 £30.00 £22.50
% change year-on-year +12.50% +33.33% -21.05%

Data Structures is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for generic IT skills.

Generic IT Skills
UK
Contract job vacancies with a requirement for generic IT skills 32128 36303 35968
As % of all contract IT job vacancies advertised in the UK 33.43% 33.04% 31.88%
Number of daily rates quoted 20971 23830 22416
UK median daily rate £450 £425 £405
Median daily rate % change year-on-year +5.88% +4.94% +1.25%
10th Percentile £263 £255 £235
90th Percentile £638 £625 £613
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 1036 1164 1365
UK median hourly rate £20.50 £21.00 £18.50
Median hourly rate % change year-on-year -2.38% +13.51% -7.50%
10th Percentile £11.25 £11.38 £11.17
90th Percentile £50.00 £47.50 £47.83
UK excluding London median hourly rate £19.66 £20.81 £18.00
% change year-on-year -5.50% +15.58% -8.28%

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 28 July 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 28 July 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 28 July 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 +98 675 £463 +8.82% 122
London +92 437 £475 - 72
UK excluding London +83 353 £413 +6.11% 60
North of England +45 75 £400 - 16
South East +66 73 £425 +6.25% 13
Northern Ireland - 70 £413 - 1
Scotland +37 44 £406 +34.63% 7
Midlands +31 42 £425 -5.56% 7
Yorkshire +19 41 £400 - 6
North West +31 30 £406 +1.56% 9
East of England -14 27 £368 -2.00% 6
West Midlands +14 23 £425 -5.56% 4
East Midlands +10 17 £425 -5.56% 3
South West +5 16 £376 -3.03% 8
Wales -2 6 £500 +22.32% 2
North East +32 4 £438 +35.14% 1

For the 6 months to 28 July 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.

1 345 (42.91%) Agile Software Development
2 284 (35.32%) Java
3 272 (33.83%) SQL
4 219 (27.24%) Finance
5 181 (22.51%) Algorithms
6 170 (21.14%) OO
7 159 (19.78%) Data Modelling
8 144 (17.91%) Banking
8 144 (17.91%) Test Automation
9 127 (15.80%) Business Intelligence
10 111 (13.81%) Analytical Skills
11 107 (13.31%) TDD
12 106 (13.18%) Continuous Integration
13 101 (12.56%) SQL Server
14 100 (12.44%) Python
15 92 (11.44%) JavaScript
16 91 (11.32%) Data Analysis
17 90 (11.19%) Data Management
18 88 (10.95%) Degree
19 87 (10.82%) Migration
20 83 (10.32%) Oracle
21 81 (10.07%) Linux
22 80 (9.95%) Multithreading
23 79 (9.83%) NoSQL
24 76 (9.45%) Investment Banking
24 76 (9.45%) Data Warehouse
25 75 (9.33%) Git (software)
26 74 (9.20%) C#
27 72 (8.96%) ETL
28 71 (8.83%) Unix

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 24 (2.99%) Apache Spark
2 17 (2.11%) CMS
2 17 (2.11%) Elasticsearch
2 17 (2.11%) SAS
3 16 (1.99%) Apache
4 12 (1.49%) SharePoint
5 9 (1.12%) Confluence
5 9 (1.12%) Tomcat
6 8 (1.00%) Apache Solr
6 8 (1.00%) IIS
7 7 (0.87%) WebSphere
8 6 (0.75%) DataSynapse
9 5 (0.62%) WebLogic
10 4 (0.50%) Oracle Coherence
10 4 (0.50%) Oracle SOA Suite
11 3 (0.37%) Apache Pig
11 3 (0.37%) SharePoint 2010
12 2 (0.25%) Drupal
12 2 (0.25%) Oracle Spatial
12 2 (0.25%) WordPress
Applications
1 43 (5.35%) Microsoft Excel
2 18 (2.24%) MS Visio
3 11 (1.37%) Microsoft Office
4 8 (1.00%) Spreadsheet
5 6 (0.75%) SPSS
6 5 (0.62%) Photoshop
7 4 (0.50%) Adobe Illustrator
8 3 (0.37%) Microsoft PowerPoint
8 3 (0.37%) Mingle
9 2 (0.25%) InfoPath
10 1 (0.12%) Stata
Business Applications
1 8 (1.00%) SAP FI
2 7 (0.87%) SAP CO
2 7 (0.87%) SAP FI/CO
3 6 (0.75%) Dynamics AX
3 6 (0.75%) Hyperion Planning
4 5 (0.62%) Infor M3
4 5 (0.62%) Markit EDM
4 5 (0.62%) Oracle EBS
4 5 (0.62%) Unica
5 4 (0.50%) Dynamics CRM
5 4 (0.50%) Temenos T24
6 3 (0.37%) Cognos TM1
6 3 (0.37%) Oracle Utilities
6 3 (0.37%) SAP CAR
6 3 (0.37%) SAP POS DM
6 3 (0.37%) SAP Retail
7 2 (0.25%) Cognos Business Intelligence
7 2 (0.25%) HFM
7 2 (0.25%) Oracle iRecruitment
7 2 (0.25%) SAP S/4HANA
Cloud Services
1 44 (5.47%) Amazon AWS
2 19 (2.36%) Heroku
3 17 (2.11%) AWS CloudFormation
4 11 (1.37%) Microsoft Azure
5 5 (0.62%) Amazon EC2
5 5 (0.62%) Cloud Computing
5 5 (0.62%) GitHub
5 5 (0.62%) Office 365
6 4 (0.50%) Amazon S3
7 3 (0.37%) Amazon EMR
7 3 (0.37%) Amazon Glacier
7 3 (0.37%) Trello
8 2 (0.25%) Google Analytics
8 2 (0.25%) Google Cloud Platform
8 2 (0.25%) SaaS
8 2 (0.25%) Salesforce Sales Cloud
8 2 (0.25%) Salesforce Service Cloud
9 1 (0.12%) Dynamics 365
9 1 (0.12%) Google Play
9 1 (0.12%) TestFlight
Communications & Networking
1 8 (1.00%) Internet
1 8 (1.00%) TCP/IP
2 4 (0.50%) Network Security
3 3 (0.37%) DSL
3 3 (0.37%) HTTP
4 2 (0.25%) DMS-100
4 2 (0.25%) DPNSS
4 2 (0.25%) Intranet
4 2 (0.25%) LDAP
4 2 (0.25%) Q.931
4 2 (0.25%) Skype
5 1 (0.12%) Firewall
5 1 (0.12%) Kerberos
5 1 (0.12%) PBX
5 1 (0.12%) PSTN
5 1 (0.12%) SMS
5 1 (0.12%) SSL
Database & Business Intelligence
1 101 (12.56%) SQL Server
2 79 (9.83%) NoSQL
3 76 (9.45%) Data Warehouse
4 57 (7.09%) Big Data
5 50 (6.22%) Hadoop
6 46 (5.72%) MongoDB
7 40 (4.98%) Relational Database
8 39 (4.85%) SQL Server Integration Services
9 35 (4.35%) SQL Server Reporting Services
10 33 (4.10%) PostgreSQL
11 24 (2.99%) Apache Hive
11 24 (2.99%) DB2
12 20 (2.49%) Apache Cassandra
13 17 (2.11%) Oracle Database
14 16 (1.99%) BusinessObjects
14 16 (1.99%) HBase
15 14 (1.74%) Oracle Reports
15 14 (1.74%) QlikView
15 14 (1.74%) RDBMS
15 14 (1.74%) SQL Server Analysis Services
Development Applications
1 75 (9.33%) Git (software)
2 45 (5.60%) Subversion
3 29 (3.61%) IntelliJ
3 29 (3.61%) JIRA
4 27 (3.36%) Mercurial
5 22 (2.74%) Jenkins
6 20 (2.49%) Maven
7 18 (2.24%) Team Foundation Server
8 15 (1.87%) JUnit
9 14 (1.74%) Grunt
10 13 (1.62%) RSpec
11 12 (1.49%) Visual Studio
12 9 (1.12%) Gradle
12 9 (1.12%) Talend Open Studio
13 6 (0.75%) NetBeans
14 5 (0.62%) Mockito
14 5 (0.62%) Toad
15 4 (0.50%) ERwin
15 4 (0.50%) Selenium
15 4 (0.50%) webpack
General
1 219 (27.24%) Finance
2 144 (17.91%) Banking
3 76 (9.45%) Investment Banking
4 56 (6.97%) Front Office
5 27 (3.36%) Marketing
6 22 (2.74%) Telecoms
7 21 (2.61%) Retail
8 17 (2.11%) Back Office
9 13 (1.62%) Manufacturing
10 12 (1.49%) Electronics
11 11 (1.37%) Publishing
12 10 (1.24%) Legal
13 9 (1.12%) Games
14 7 (0.87%) Advertising
14 7 (0.87%) Financial Institution
15 5 (0.62%) General Ledger
15 5 (0.62%) Retail Banking
16 3 (0.37%) Local Government
16 3 (0.37%) Pharmaceutical
17 2 (0.25%) Law
Job Titles
1 434 (53.98%) Developer
2 181 (22.51%) Java Developer
3 172 (21.39%) Analyst
4 97 (12.06%) Senior Developer
5 80 (9.95%) Agile Developer
6 79 (9.83%) Data Analyst
7 74 (9.20%) Architect
8 71 (8.83%) Senior Java Developer
9 69 (8.58%) Agile Java Developer
10 65 (8.08%) Business Analyst
11 61 (7.59%) Investment Banking Java Developer
12 58 (7.21%) Senior Agile Developer
13 56 (6.97%) Senior Agile Java Developer
14 54 (6.72%) Senior Investment Banking Java Developer
15 43 (5.35%) SQL Developer
16 42 (5.22%) Data Architect
17 40 (4.98%) C# Developer
18 32 (3.98%) Python Developer
19 31 (3.86%) Consultant
20 26 (3.23%) Systems Analyst
Libraries, Frameworks & Software Standards
1 66 (8.21%) HTML
2 60 (7.46%) Spring
3 44 (5.47%) HTML5
4 43 (5.35%) .NET
4 43 (5.35%) CSS
5 42 (5.22%) AngularJS
5 42 (5.22%) Web Services
6 39 (4.85%) JSON
6 39 (4.85%) XML
7 37 (4.60%) Node.js
8 34 (4.23%) Spring Boot
9 33 (4.10%) REST
10 27 (3.36%) RESTful
11 23 (2.86%) Middleware
11 23 (2.86%) React
12 22 (2.74%) SOAP
13 20 (2.49%) WPF
14 19 (2.36%) CSS3
15 18 (2.24%) Hibernate
16 17 (2.11%) jQuery
Miscellaneous
1 181 (22.51%) Algorithms
2 111 (13.81%) Analytical Skills
3 68 (8.46%) Computer Science
4 55 (6.84%) Management Information System
5 53 (6.59%) Derivative
6 31 (3.86%) Fixed Income
6 31 (3.86%) User Experience
7 21 (2.61%) Foreign Exchange (FX)
7 21 (2.61%) Hedge funds
8 18 (2.24%) iPhone
9 17 (2.11%) Equities
9 17 (2.11%) Mobile App
10 16 (1.99%) Reference Data
11 15 (1.87%) Grid Computing
11 15 (1.87%) Linux Command Line
12 14 (1.74%) Greenfield Project
13 12 (1.49%) Market Risk
14 11 (1.37%) Equity Derivative
14 11 (1.37%) Interest Rate Derivative
14 11 (1.37%) Replication
Operating Systems
1 81 (10.07%) Linux
2 71 (8.83%) Unix
3 29 (3.61%) Windows
4 27 (3.36%) Apple iOS
5 10 (1.24%) Android
6 9 (1.12%) Mac OS X
7 8 (1.00%) Windows Vista
8 2 (0.25%) Windows Server
9 1 (0.12%) Ubuntu
Processes & Methodologies
1 345 (42.91%) Agile Software Development
2 170 (21.14%) OO
3 159 (19.78%) Data Modelling
4 144 (17.91%) Test Automation
5 127 (15.80%) Business Intelligence
6 107 (13.31%) TDD
7 106 (13.18%) Continuous Integration
8 91 (11.32%) Data Analysis
9 90 (11.19%) Data Management
10 87 (10.82%) Migration
11 80 (9.95%) Multithreading
12 72 (8.96%) ETL
13 67 (8.33%) Analytics
13 67 (8.33%) Data Migration
13 67 (8.33%) Functional Programming
13 67 (8.33%) Software Engineering
14 57 (7.09%) Scrum
15 54 (6.72%) SDLC
16 53 (6.59%) Kanban
17 51 (6.34%) Business Analysis
Programming Languages
1 284 (35.32%) Java
2 272 (33.83%) SQL
3 100 (12.44%) Python
4 92 (11.44%) JavaScript
5 74 (9.20%) C#
6 60 (7.46%) C++
7 59 (7.34%) Scala
8 44 (5.47%) T-SQL
9 24 (2.99%) PL/SQL
10 21 (2.61%) Apple Swift
10 21 (2.61%) C
11 20 (2.49%) Ruby
11 20 (2.49%) Shell Script
12 18 (2.24%) R
13 15 (1.87%) Groovy
14 13 (1.62%) Go
15 11 (1.37%) Apex Code
16 9 (1.12%) Perl
16 9 (1.12%) TypeScript
17 8 (1.00%) VBA
Qualifications
1 88 (10.95%) Degree
2 41 (5.10%) Security Cleared
3 26 (3.23%) Computer Science Degree
4 25 (3.11%) SC Cleared
5 10 (1.24%) BPSS Clearance
5 10 (1.24%) ISEB
6 6 (0.75%) CTC Cleared
7 4 (0.50%) PhD
7 4 (0.50%) PRINCE2 Certification
8 3 (0.37%) HND
9 2 (0.25%) Postgraduate
10 1 (0.12%) A+ Certification
10 1 (0.12%) DV Cleared
10 1 (0.12%) IBM Certification
10 1 (0.12%) ITIL Certification
10 1 (0.12%) MCSA
10 1 (0.12%) Microsoft Certification
10 1 (0.12%) MOS
10 1 (0.12%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 69 (8.58%) Data Quality
2 28 (3.48%) QA
3 9 (1.12%) GDPR
4 7 (0.87%) PMO
5 6 (0.75%) MiFID
6 4 (0.50%) Disclosure Scotland
6 4 (0.50%) Solvency II
7 2 (0.25%) Actionable Recommendations
7 2 (0.25%) SLA
8 1 (0.12%) EMIR
8 1 (0.12%) ISO 13485
8 1 (0.12%) Sarbanes-Oxley
8 1 (0.12%) UCITS
System Software
1 19 (2.36%) Docker
2 6 (0.75%) Active Directory
3 4 (0.50%) Platform Symphony
4 2 (0.25%) Oracle RAC
5 1 (0.12%) HDFS
5 1 (0.12%) Virtual Machines
Systems Management
1 24 (2.99%) logstash
2 17 (2.11%) Terraform
3 8 (1.00%) ITRS Geneos
4 7 (0.87%) Ansible
4 7 (0.87%) Kibana
4 7 (0.87%) Kubernetes
4 7 (0.87%) Opscode Chef
4 7 (0.87%) Prometheus
5 4 (0.50%) Puppet
6 3 (0.37%) Oracle EDQ
6 3 (0.37%) Oracle RMAN
7 2 (0.25%) Oracle Enterprise Manager
7 2 (0.25%) Thomson Reuters DACS
8 1 (0.12%) Enterprise Manager Cloud Control
8 1 (0.12%) Hadoop YARN
8 1 (0.12%) Mesos
8 1 (0.12%) Oozie
8 1 (0.12%) Tivoli
Vendors
1 83 (10.32%) Oracle
2 50 (6.22%) Microsoft
3 48 (5.97%) SAP
4 27 (3.36%) Tableau
5 21 (2.61%) Sybase
6 19 (2.36%) IBM
6 19 (2.36%) Splunk
7 17 (2.11%) Salesforce.com
8 15 (1.87%) Cloudera
8 15 (1.87%) Cognos
9 13 (1.62%) Teradata
10 11 (1.37%) Informatica
10 11 (1.37%) Netezza
11 10 (1.24%) Perforce
12 9 (1.12%) MapR
12 9 (1.12%) Talend
13 8 (1.00%) ServiceNow
14 7 (0.87%) AppDynamics
14 7 (0.87%) CA Agile Central
14 7 (0.87%) Hyperion
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