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 3 months to 26 May 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
3 months to
26 May 2017
Same period 2016 Same period 2015
Rank 317 388 372
Rank change year-on-year +71 -16  
Contract jobs citing Data Structures 324 294 287
As % of all contract IT jobs advertised in the UK 0.70% 0.55% 0.53%
As % of the Miscellaneous category 2.12% 1.66% 1.66%
Number of daily rates quoted 219 201 180
Median daily rate £433 £425 £423
Median daily rate % change year-on-year +1.76% +0.59%  
90% offered a daily rate of more than £325 £290 £275
10% offered a daily rate of more than £600 £625 £625
UK excluding London median daily rate £410 £400 £375
% change year-on-year +2.50% +6.66%  
Number of hourly rates quoted 0 13 1
Median hourly rate - £35.00 £35.00
UK excluding London median hourly rate - £30.00 £35.00
% change year-on-year - -14.28%  

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 15268 17759 17320
As % of all contract IT job vacancies advertised in the UK 33.00% 33.03% 31.91%
Number of daily rates quoted 9908 11620 10684
Median daily rate £450 £425 £415
Median daily rate % change year-on-year +5.88% +2.40%  
90% offered a daily rate of more than £275 £265 £250
10% offered a daily rate of more than £638 £615 £600
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 473 558 668
Median hourly rate £26.00 £22.54 £18.00
Median hourly rate % change year-on-year +15.35% +25.22%  
90% offered a hourly rate of more than £12.50 £12.50 £11.86
10% offered a hourly rate of more than £50.00 £47.33 £45.00
UK excluding London median hourly rate £29.00 £23.00 £18.00
% change year-on-year +26.08% +27.77%  

Data Structures
Job Vacancy Trend

The job posting trend of jobs advertised citing Data Structures as a proportion of all contract or permanent IT jobs with a match in the Miscellaneous category.

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 3 months to 26 May 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
Top 30 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 3 months to 26 May 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +61 277 £450 - 149
London +31 183 £475 +0.26% 96
City of London +5 41 £450 - 12
South East +31 28 £410 +9.33% 10
Yorkshire +9 24 £400 - 7
Northern Ireland - 24 £413 -
County Antrim - 22 £413 -
Belfast - 22 £413 -
Scotland +41 20 £394 +14.13% 5
West Yorkshire +20 20 £400 - 7
Leeds +13 17 £398 +0.63% 7
Glasgow +20 15 £375 +226.08% 1
East of England -13 10 £330 -18.76% 11
Surrey - 10 £411 - 1
West Midlands +27 9 £431 -9.36% 4
East Midlands -3 9 £419 +28.84% 5
West Sussex +29 8 £413 +10.00% 1
Northamptonshire +3 8 £425 -
North West +23 7 £413 +3.12% 9
Warwickshire - 6 £425 - 1
Cheshire +29 5 £394 -4.54% 1
South West 0 5 £475 +9.51% 5
Crawley - 5 £400 -
Edinburgh +19 4 £488 +30.00% 4
Essex -11 4 £330 -26.66%
Warwick - 4 £418 -
Sheffield +5 3 - -
South Yorkshire +4 3 - -
Bristol +2 3 £475 +35.71% 4
Cambridgeshire -2 3 £218 -47.27% 6

For the 6 months to 26 May 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.

1 241 (37.08%) Agile Software Development
2 222 (34.15%) Java
3 214 (32.92%) SQL
4 167 (25.69%) Algorithms
5 153 (23.54%) Finance
6 150 (23.08%) OO
7 128 (19.69%) Data Modelling
8 111 (17.08%) Data Management
9 107 (16.46%) Banking
10 99 (15.23%) Oracle
11 88 (13.54%) Migration
11 88 (13.54%) Multithreading
12 87 (13.38%) Test Automation
13 84 (12.92%) Analytical Skills
14 83 (12.77%) Business Intelligence
15 82 (12.62%) TDD
16 79 (12.15%) SQL Server
17 71 (10.92%) Data Analysis
18 70 (10.77%) Degree
19 69 (10.62%) C#
19 69 (10.62%) Continuous Integration
20 68 (10.46%) Linux
21 66 (10.15%) Python
21 66 (10.15%) Data Quality
22 65 (10.00%) Git (software)
22 65 (10.00%) OOD
23 64 (9.85%) Data Migration
23 64 (9.85%) NoSQL
24 63 (9.69%) JavaScript
25 60 (9.23%) HTML

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 21 (3.23%) SAS
2 17 (2.62%) CMS
3 16 (2.46%) Apache Spark
4 14 (2.15%) Tomcat
5 12 (1.85%) Apache
5 12 (1.85%) Elasticsearch
6 10 (1.54%) SharePoint
7 9 (1.38%) WebLogic
8 7 (1.08%) Apache Pig
9 6 (0.92%) Apache Solr
9 6 (0.92%) Mule
10 5 (0.77%) JBoss
11 4 (0.62%) DataSynapse
11 4 (0.62%) Oracle SOA Suite
12 3 (0.46%) Confluence
12 3 (0.46%) SharePoint 2010
12 3 (0.46%) WordPress
13 2 (0.31%) Drupal
13 2 (0.31%) Oracle Coherence
13 2 (0.31%) Oracle Spatial
Applications
1 33 (5.08%) Microsoft Excel
2 10 (1.54%) MS Visio
2 10 (1.54%) Spreadsheet
3 8 (1.23%) Microsoft Office
4 5 (0.77%) Microsoft PowerPoint
5 4 (0.62%) SPSS
6 2 (0.31%) InfoPath
6 2 (0.31%) Mingle
6 2 (0.31%) Photoshop
7 1 (0.15%) Adobe Illustrator
Business Applications
1 5 (0.77%) SAP CO
1 5 (0.77%) SAP FI
1 5 (0.77%) SAP FI/CO
1 5 (0.77%) SAP MDG
2 4 (0.62%) Dynamics AX
2 4 (0.62%) Oracle EBS
2 4 (0.62%) Oracle EBS R12
2 4 (0.62%) SAP S/4HANA
2 4 (0.62%) Temenos T24
3 3 (0.46%) Dynamics CRM
3 3 (0.46%) Infor M3
3 3 (0.46%) Oracle Utilities
4 2 (0.31%) HFM
4 2 (0.31%) Hyperion Planning
4 2 (0.31%) Oracle iRecruitment
4 2 (0.31%) Oracle Payables
4 2 (0.31%) Oracle Payroll
4 2 (0.31%) SAP BPC
4 2 (0.31%) SAP MDM
4 2 (0.31%) SAP Oil and Gas
Cloud Services
1 48 (7.38%) Amazon AWS
2 14 (2.15%) Heroku
3 12 (1.85%) AWS CloudFormation
4 9 (1.38%) Microsoft Azure
5 5 (0.77%) Amazon EC2
5 5 (0.77%) Amazon S3
6 4 (0.62%) Amazon SQS
6 4 (0.62%) AWS Data Pipeline
7 3 (0.46%) Cloud Computing
7 3 (0.46%) Google Analytics
7 3 (0.46%) Office 365
7 3 (0.46%) SaaS
8 2 (0.31%) GitHub
8 2 (0.31%) Trello
9 1 (0.15%) Dynamics 365
9 1 (0.15%) FinancialForce.com
9 1 (0.15%) G Suite
9 1 (0.15%) Google Cloud Platform
9 1 (0.15%) Google Play
9 1 (0.15%) TestFlight
Communications & Networking
1 12 (1.85%) Internet
2 7 (1.08%) Network Security
3 5 (0.77%) Intranet
3 5 (0.77%) TCP/IP
4 3 (0.46%) DSL
4 3 (0.46%) HTTP
5 2 (0.31%) LDAP
5 2 (0.31%) PuTTY
5 2 (0.31%) Skype
5 2 (0.31%) WinSCP
6 1 (0.15%) Broadband
6 1 (0.15%) DMS-100
6 1 (0.15%) DPNSS
6 1 (0.15%) Firewall
6 1 (0.15%) Kerberos
6 1 (0.15%) Q.931
6 1 (0.15%) SSL
Database & Business Intelligence
1 79 (12.15%) SQL Server
2 64 (9.85%) NoSQL
3 60 (9.23%) Big Data
3 60 (9.23%) Data Warehouse
4 47 (7.23%) Relational Database
5 44 (6.77%) Hadoop
6 34 (5.23%) SQL Server Reporting Services
7 31 (4.77%) SQL Server Integration Services
8 26 (4.00%) Apache Hive
8 26 (4.00%) DB2
9 24 (3.69%) MongoDB
10 22 (3.38%) Oracle Database
11 17 (2.62%) Oracle Reports
12 16 (2.46%) HBase
12 16 (2.46%) RDBMS
13 14 (2.15%) BusinessObjects
13 14 (2.15%) KDB
13 14 (2.15%) SQL Server 2008
14 11 (1.69%) Data Mining
14 11 (1.69%) QlikView
Development Applications
1 65 (10.00%) Git (software)
2 40 (6.15%) Subversion
3 36 (5.54%) JIRA
4 35 (5.38%) Jenkins
5 33 (5.08%) Maven
6 26 (4.00%) Mercurial
7 22 (3.38%) Ant
8 19 (2.92%) JUnit
9 16 (2.46%) Gradle
10 12 (1.85%) Team Foundation Server
11 11 (1.69%) Mockito
11 11 (1.69%) Selenium
12 8 (1.23%) RSpec
13 6 (0.92%) Cucumber
13 6 (0.92%) EasyMock
13 6 (0.92%) Hudson
13 6 (0.92%) SQL Server Management Studio (SSMS)
14 5 (0.77%) Grunt
14 5 (0.77%) Toad
15 4 (0.62%) ERwin
General
1 153 (23.54%) Finance
2 107 (16.46%) Banking
3 57 (8.77%) Investment Banking
4 42 (6.46%) Front Office
5 24 (3.69%) Retail
6 16 (2.46%) Legal
7 13 (2.00%) Marketing
8 11 (1.69%) Publishing
9 10 (1.54%) Back Office
10 8 (1.23%) Advertising
11 6 (0.92%) Law
12 5 (0.77%) Retail Banking
12 5 (0.77%) Telecoms
13 4 (0.62%) Games
14 3 (0.46%) Automotive
14 3 (0.46%) Financial Institution
14 3 (0.46%) Local Government
15 2 (0.31%) Manufacturing
15 2 (0.31%) Pharmaceutical
15 2 (0.31%) Wholesale Banking
Job Titles
1 309 (47.54%) Developer
2 144 (22.15%) Analyst
3 118 (18.15%) Java Developer
4 85 (13.08%) Architect
5 61 (9.38%) Data Analyst
6 49 (7.54%) Business Analyst
7 48 (7.38%) Data Architect
8 40 (6.15%) Senior Developer
9 33 (5.08%) C# Developer
10 30 (4.62%) Agile Developer
11 29 (4.46%) Consultant
11 29 (4.46%) Senior Java Developer
12 28 (4.31%) Investment Banking Java Developer
13 26 (4.00%) Systems Analyst
14 22 (3.38%) SQL Developer
15 21 (3.23%) Agile Java Developer
16 20 (3.08%) WPF Developer
17 19 (2.92%) Business Systems Analyst
17 19 (2.92%) C# WPF Developer
17 19 (2.92%) iOS Developer
Libraries, Frameworks & Software Standards
1 60 (9.23%) HTML
2 43 (6.62%) .NET
3 40 (6.15%) XML
4 38 (5.85%) CSS
5 34 (5.23%) HTML5
6 33 (5.08%) Spring
7 27 (4.15%) Web Services
8 26 (4.00%) REST
9 25 (3.85%) Node.js
10 24 (3.69%) SOAP
11 23 (3.54%) AngularJS
12 22 (3.38%) J2EE
13 21 (3.23%) WPF
14 19 (2.92%) Kafka
15 18 (2.77%) Hibernate
16 17 (2.62%) Middleware
17 16 (2.46%) JSON
18 13 (2.00%) RESTful
19 12 (1.85%) Elastic Stack
19 12 (1.85%) Java EE
Miscellaneous
1 167 (25.69%) Algorithms
2 84 (12.92%) Analytical Skills
3 53 (8.15%) Computer Science
4 37 (5.69%) Derivative
4 37 (5.69%) Management Information System
5 24 (3.69%) Fintech
6 20 (3.08%) Hedge funds
7 19 (2.92%) Fixed Income
8 18 (2.77%) Foreign Exchange (FX)
9 17 (2.62%) Equities
9 17 (2.62%) Reference Data
10 16 (2.46%) iPhone
11 15 (2.31%) Mobile App
12 13 (2.00%) User Experience
13 12 (1.85%) Greenfield Project
13 12 (1.85%) Linux Command Line
14 11 (1.69%) Taxonomies
15 10 (1.54%) Equity Derivative
15 10 (1.54%) Grid Computing
15 10 (1.54%) Mainframe
Operating Systems
1 68 (10.46%) Linux
2 49 (7.54%) Unix
3 27 (4.15%) Apple iOS
4 22 (3.38%) Windows
5 17 (2.62%) Android
6 8 (1.23%) Windows Vista
7 1 (0.15%) Red Hat Enterprise Linux
7 1 (0.15%) Ubuntu
Processes & Methodologies
1 241 (37.08%) Agile Software Development
2 150 (23.08%) OO
3 128 (19.69%) Data Modelling
4 111 (17.08%) Data Management
5 88 (13.54%) Migration
5 88 (13.54%) Multithreading
6 87 (13.38%) Test Automation
7 83 (12.77%) Business Intelligence
8 82 (12.62%) TDD
9 71 (10.92%) Data Analysis
10 69 (10.62%) Continuous Integration
11 65 (10.00%) OOD
12 64 (9.85%) Data Migration
13 58 (8.92%) ETL
14 56 (8.62%) Software Engineering
15 51 (7.85%) Analytics
16 49 (7.54%) SDLC
17 43 (6.62%) Project Management
18 42 (6.46%) DevOps
18 42 (6.46%) Scrum
Programming Languages
1 222 (34.15%) Java
2 214 (32.92%) SQL
3 69 (10.62%) C#
4 66 (10.15%) Python
5 63 (9.69%) JavaScript
6 53 (8.15%) C++
7 30 (4.62%) Scala
8 29 (4.46%) PL/SQL
8 29 (4.46%) T-SQL
9 19 (2.92%) Go
9 19 (2.92%) Shell Script
10 18 (2.77%) Apple Swift
10 18 (2.77%) F#
11 17 (2.62%) Clojure
11 17 (2.62%) Rust
12 16 (2.46%) R
13 15 (2.31%) Ruby
14 13 (2.00%) Bash Shell
15 9 (1.38%) Apex Code
15 9 (1.38%) PHP
Qualifications
1 70 (10.77%) Degree
2 20 (3.08%) Security Cleared
3 13 (2.00%) SC Cleared
4 6 (0.92%) ISEB
5 4 (0.62%) BPSS Clearance
5 4 (0.62%) PRINCE2 Certification
6 2 (0.31%) Master's Degree
6 2 (0.31%) PhD
6 2 (0.31%) Postgraduate
7 1 (0.15%) A+ Certification
7 1 (0.15%) ACCA
7 1 (0.15%) CIMA
7 1 (0.15%) DV Cleared
7 1 (0.15%) IBM Certification
7 1 (0.15%) ITIL Certification
7 1 (0.15%) MCSA
7 1 (0.15%) Microsoft Certification
7 1 (0.15%) MOS
Quality Assurance & Compliance
1 66 (10.15%) Data Quality
2 33 (5.08%) QA
3 10 (1.54%) GDPR
4 5 (0.77%) Solvency II
5 3 (0.46%) MiFID
5 3 (0.46%) PMO
6 2 (0.31%) Actionable Recommendations
7 1 (0.15%) Disclosure Scotland
7 1 (0.15%) EMIR
7 1 (0.15%) GxP
7 1 (0.15%) ISO13485
7 1 (0.15%) PCI DSS
7 1 (0.15%) Sarbanes-Oxley
7 1 (0.15%) SLA
7 1 (0.15%) UCITS
System Software
1 5 (0.77%) Active Directory
2 2 (0.31%) Platform Symphony
3 1 (0.15%) Docker
3 1 (0.15%) HDFS
3 1 (0.15%) Oracle RAC
3 1 (0.15%) Virtual Machines
Systems Management
1 21 (3.23%) Opscode Chef
2 20 (3.08%) Puppet
3 19 (2.92%) Ansible
4 12 (1.85%) logstash
4 12 (1.85%) Terraform
5 3 (0.46%) Oracle EDQ
5 3 (0.46%) Oracle RMAN
6 1 (0.15%) Hadoop YARN
6 1 (0.15%) Mesos
6 1 (0.15%) Oozie
6 1 (0.15%) Oracle Enterprise Manager
Vendors
1 99 (15.23%) Oracle
2 40 (6.15%) SAP
3 33 (5.08%) Microsoft
4 20 (3.08%) Sybase
5 16 (2.46%) Salesforce.com
6 15 (2.31%) Cloudera
6 15 (2.31%) Informatica
6 15 (2.31%) Tableau
7 14 (2.15%) MapR
7 14 (2.15%) Teradata
8 12 (1.85%) Splunk
9 11 (1.69%) Nuix
10 10 (1.54%) hybris
10 10 (1.54%) IBM
11 7 (1.08%) Netezza
12 6 (0.92%) ServiceNow
12 6 (0.92%) TIBCO
13 5 (0.77%) Adobe
13 5 (0.77%) Cognos
13 5 (0.77%) Google
Leeds, West Yorkshire
The Bridge Ltd
Rate: £425 per day - 12 months - Cutting edge technology
Posted: 17 hours ago
West London
Experis Ltd
Rate: £425 - £525 per day
Posted: 2 days ago
South East London
Lorien Resourcing
Rate: £450 - £490 per day
Posted: 2 days ago
Bedfordshire
ReThink Recruitment
Posted: 3 days ago
Hampshire
Reed Technology
Rate: £400 - £500 per day
Posted: 2 days ago
Luton, Bedfordshire
Advantage XPO
Rate: £400 - £450 per day
Posted: 3 days ago
London
Client Server
Rate: £500 to £550 p/day
Posted: 6 days ago
London
Client Server
Rate: £500 to £550 p/day
Posted: 23 days ago
London
Boss ERP Consulting
Posted: 10 days ago
Kidlington, Oxfordshire
Thames Valley Police
Rate: £42,773 (fixed term contract for 12 months plus excellent benefits)
Posted: 27 days ago
London
Enterprise Solutions Partnership
Posted: 6 days ago