Period
to 22 October 2018

The table below looks at the prevalence of the term Data Structures in contract job vacancies advertised in England. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Structures over the 6 months to 22 October 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 > England
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 343 303 420
Rank change year-on-year -40 +117 -10
Contract jobs citing Data Structures 697 755 550
As % of all contract IT jobs advertised in England 0.74% 0.83% 0.56%
As % of the Miscellaneous category 2.14% 2.39% 1.64%
Number of daily rates quoted 439 517 395
England median daily rate £500 £475 £438
Median daily rate % change year-on-year +5.26% +8.57% -7.89%
10th Percentile £363 £359 £277
90th Percentile £725 £677 £663
UK median daily rate £500 £450 £425
% change year-on-year +11.11% +5.88% -10.53%
Number of hourly rates quoted 10 12 5
England median hourly rate £40.85 £35.00 £25.00
Median hourly rate % change year-on-year +16.70% +40.00% -41.18%
10th Percentile £35.38 £27.00 £11.88
90th Percentile £50.00 £49.00 £42.90
UK median hourly rate £40.85 £35.00 £25.00
% change year-on-year +16.70% +40.00% -41.18%

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 advertised in England with a requirement for generic IT skills.

All Generic IT Skills
England
Contract vacancies with a requirement for generic IT skills 32,529 31,653 33,564
As % of all contract IT jobs advertised in England 34.46% 34.64% 34.36%
Number of daily rates quoted 21,616 21,059 22,084
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +1.19%
10th Percentile £281 £263 £255
90th Percentile £675 £650 £625
UK median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +3.03%
Number of hourly rates quoted 987 957 1,144
England median hourly rate £21.50 £20.00 £20.00
Median hourly rate % change year-on-year +7.50% - +8.11%
10th Percentile £12.25 £11.17 £11.63
90th Percentile £51.00 £48.75 £47.18
UK median hourly rate £21.00 £20.00 £20.00
% change year-on-year +5.00% - +7.99%

Data Structures
Job Vacancy Trend in England

Job postings citing Data Structures as a percentage of all IT jobs advertised in England.

Job vacancy trend for Data Structures in England

Data Structures
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Structures in England.

Contractor daily rate trend for Data Structures in England

Data Structures
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Data Structures in England over the 6 months to 22 October 2018.

Contractor daily rate histogram for Data Structures in England

Data Structures
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Structures in England.

Contractor hourly rate trend for Data Structures in England

Data Structures
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing Data Structures in England over the 6 months to 22 October 2018.

Contractor hourly rate histogram for Data Structures in England

Data Structures
Contract Job Locations in England

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 England region over the 6 months to 22 October 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
London -19 474 £545 +3.81% 195
South East -23 82 £425 +3.34% 32
North of England -45 45 £375 -11.76% 19
East of England +31 40 £450 +12.50% 14
Midlands -35 33 £380 -11.73% 14
North West -4 29 £363 -14.71% 11
South West -21 21 £448 +27.86% 32
East Midlands +15 19 £380 -13.14% 2
West Midlands -28 13 £375 -11.76% 12
Yorkshire -43 13 £440 +4.76% 4
North East +4 3 £225 -25.00% 4
Data Structures
UK

For the 6 months to 22 October 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 across the England region with a requirement for Data Structures.

1 280 (40.17%) Algorithms
2 243 (34.86%) Agile Software Development
3 227 (32.57%) SQL
4 209 (29.99%) OO
5 203 (29.12%) Finance
6 188 (26.97%) Java
7 176 (25.25%) JavaScript
8 157 (22.53%) Computer Science
9 144 (20.66%) Python
10 135 (19.37%) TDD
11 132 (18.94%) Analytical Skills
12 120 (17.22%) HTML
12 120 (17.22%) Problem-Solving
13 119 (17.07%) Git (software)
14 116 (16.64%) Amazon AWS
15 109 (15.64%) Data Modelling
16 107 (15.35%) CSS
17 102 (14.63%) OOD
18 99 (14.20%) C#
19 95 (13.63%) Business Intelligence
19 95 (13.63%) Degree
20 90 (12.91%) Relational Database
21 87 (12.48%) SQL Server
22 84 (12.05%) Data Warehouse
22 84 (12.05%) Multithreading
23 78 (11.19%) OOP
24 77 (11.05%) User Experience
25 76 (10.90%) Microsoft
26 75 (10.76%) Continuous Integration
27 74 (10.62%) Linux

Data Structures
Co-occurring IT Skills in England 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 39 (5.60%) Apache Spark
2 17 (2.44%) Apache
3 12 (1.72%) Apache Pig
3 12 (1.72%) Confluence
3 12 (1.72%) SharePoint
4 11 (1.58%) SAS
5 10 (1.43%) Elasticsearch
6 6 (0.86%) Cloud Foundry
6 6 (0.86%) IPython
6 6 (0.86%) Tomcat
7 5 (0.72%) CMS
8 4 (0.57%) Apache Solr
8 4 (0.57%) IIS
9 3 (0.43%) Ethereum
9 3 (0.43%) WordPress
10 2 (0.29%) Amazon Alexa
10 2 (0.29%) JBoss
10 2 (0.29%) WebSphere
11 1 (0.14%) GemFire
11 1 (0.14%) Hyperledger
Applications
1 28 (4.02%) Microsoft Excel
2 6 (0.86%) Microsoft Office
3 4 (0.57%) Photoshop
4 3 (0.43%) Adobe Illustrator
4 3 (0.43%) InVision
5 2 (0.29%) Microsoft PowerPoint
5 2 (0.29%) MS Visio
5 2 (0.29%) Spreadsheet
6 1 (0.14%) Adobe Creative Suite
6 1 (0.14%) Fireworks
Business Applications
1 9 (1.29%) SAP ERP
2 8 (1.15%) Infor M3
2 8 (1.15%) SAP MM
2 8 (1.15%) SAP Oil and Gas
3 4 (0.57%) Distributed Ledger
3 4 (0.57%) Salesforce.com CRM
3 4 (0.57%) SAP APO
3 4 (0.57%) SAP EWM
3 4 (0.57%) SAP MDM
3 4 (0.57%) SAP R/3
3 4 (0.57%) SAP S/4HANA
3 4 (0.57%) SAP WM
4 3 (0.43%) Oracle EBS
5 2 (0.29%) Markit EDM
5 2 (0.29%) Oracle Assets
5 2 (0.29%) Oracle Financials
5 2 (0.29%) Oracle Payables
5 2 (0.29%) Remedy ITSM
5 2 (0.29%) SAP Retail
6 1 (0.14%) Hyperion Planning
Cloud Services
1 116 (16.64%) Amazon AWS
2 54 (7.75%) GitHub
3 53 (7.60%) Microsoft Azure
4 35 (5.02%) Google Cloud Platform
5 24 (3.44%) Heroku
6 18 (2.58%) npm
6 18 (2.58%) PaaS
7 12 (1.72%) SaaS
8 10 (1.43%) IaaS
9 9 (1.29%) Amazon S3
9 9 (1.29%) BrowserStack
9 9 (1.29%) Cloud Computing
9 9 (1.29%) OpenShift
9 9 (1.29%) Sauce Labs
10 8 (1.15%) Amazon EC2
11 6 (0.86%) AWS Elastic Beanstalk
11 6 (0.86%) Google App Engine
12 5 (0.72%) Yarn
13 4 (0.57%) Google Analytics
14 3 (0.43%) Force.com
Communications & Networking
1 21 (3.01%) HTTP
2 12 (1.72%) TCP/IP
3 10 (1.43%) HTTPS
3 10 (1.43%) Internet
4 6 (0.86%) AMQP
4 6 (0.86%) MQTT
5 5 (0.72%) Firewall
5 5 (0.72%) Intranet
6 4 (0.57%) BIG-IP
6 4 (0.57%) Kerberos
6 4 (0.57%) NetScaler
6 4 (0.57%) SMS
6 4 (0.57%) VoIP
7 3 (0.43%) RFID
8 2 (0.29%) DNS
8 2 (0.29%) IPFS
8 2 (0.29%) LAN
9 1 (0.14%) DMZ
9 1 (0.14%) Intrusion Detection
9 1 (0.14%) VPN
Database & Business Intelligence
1 90 (12.91%) Relational Database
2 87 (12.48%) SQL Server
3 84 (12.05%) Data Warehouse
4 63 (9.04%) Hadoop
5 52 (7.46%) Big Data
6 49 (7.03%) NoSQL
7 46 (6.60%) PostgreSQL
8 40 (5.74%) Apache Hive
9 35 (5.02%) SQL Server Integration Services
10 30 (4.30%) MySQL
11 27 (3.87%) SQL Server Analysis Services
11 27 (3.87%) SQL Server Reporting Services
12 26 (3.73%) MongoDB
12 26 (3.73%) Power BI
13 22 (3.16%) BusinessObjects
14 21 (3.01%) Data Lake
15 19 (2.73%) Apache Cassandra
15 19 (2.73%) OLAP
16 13 (1.87%) SQL Server 2008
17 12 (1.72%) SAP HANA
Development Applications
1 119 (17.07%) Git (software)
2 46 (6.60%) Jenkins
3 42 (6.03%) webpack
4 31 (4.45%) JIRA
5 26 (3.73%) PostCSS
6 24 (3.44%) Selenium
7 21 (3.01%) JUnit
8 19 (2.73%) Subversion
9 16 (2.30%) Cucumber
10 15 (2.15%) Bitbucket
10 15 (2.15%) Maven
11 14 (2.01%) Jasmine
12 13 (1.87%) JMeter
13 12 (1.72%) Hudson
13 12 (1.72%) Visual Studio
14 10 (1.43%) Gerrit
14 10 (1.43%) Grunt
14 10 (1.43%) gulp
14 10 (1.43%) WebDriver
15 9 (1.29%) Mocha
General
1 203 (29.12%) Finance
2 68 (9.76%) Banking
3 41 (5.88%) Front Office
4 33 (4.73%) Telecoms
5 20 (2.87%) Marketing
6 19 (2.73%) Manufacturing
7 15 (2.15%) Retail
8 14 (2.01%) Legal
9 13 (1.87%) Games
9 13 (1.87%) Investment Banking
10 7 (1.00%) Electronics
11 5 (0.72%) Advertising
11 5 (0.72%) Back Office
11 5 (0.72%) Financial Institution
11 5 (0.72%) German Language
11 5 (0.72%) Pharmaceutical
12 4 (0.57%) General Ledger
13 3 (0.43%) French Language
14 2 (0.29%) Arabic Language
14 2 (0.29%) Retail Banking
Job Titles
1 420 (60.26%) Developer
2 95 (13.63%) Java Developer
3 74 (10.62%) Analyst
4 52 (7.46%) React Developer
5 50 (7.17%) Python Developer
6 47 (6.74%) Senior Developer
7 39 (5.60%) Architect
8 36 (5.16%) C# Developer
9 33 (4.73%) Front End Developer (Client-Side Developer)
10 30 (4.30%) Data Analyst
11 27 (3.87%) Data Engineer
12 25 (3.59%) SQL Developer
13 24 (3.44%) Business Analyst
13 24 (3.44%) Full Stack Developer
14 23 (3.30%) JavaScript Developer
15 22 (3.16%) Digital Developer
15 22 (3.16%) Software Developer
16 21 (3.01%) Business Intelligence Developer
16 21 (3.01%) Data Architect
16 21 (3.01%) Lead Developer
Libraries, Frameworks & Software Standards
1 120 (17.22%) HTML
2 107 (15.35%) CSS
3 74 (10.62%) Redux
4 63 (9.04%) REST
5 61 (8.75%) AngularJS
6 59 (8.46%) Node.js
7 58 (8.32%) .NET
8 55 (7.89%) Web Services
9 54 (7.75%) React
10 53 (7.60%) HTML5
11 44 (6.31%) Kafka
12 41 (5.88%) RESTful
13 39 (5.60%) jQuery
13 39 (5.60%) XML
14 38 (5.45%) Spring
15 36 (5.16%) JSON
16 35 (5.02%) Chai
17 34 (4.88%) SOAP
18 25 (3.59%) Enzyme
19 24 (3.44%) CSS3
Miscellaneous
1 280 (40.17%) Algorithms
2 157 (22.53%) Computer Science
3 132 (18.94%) Analytical Skills
4 77 (11.05%) User Experience
5 30 (4.30%) Mobile App
6 27 (3.87%) Fixed Income
7 24 (3.44%) Data Centre
7 24 (3.44%) Greenfield Project
7 24 (3.44%) Hedge funds
8 22 (3.16%) Self-Motivation
9 20 (2.87%) Management Information System
10 18 (2.58%) Equities
10 18 (2.58%) Foreign Exchange (FX)
11 17 (2.44%) Cloud Native
11 17 (2.44%) Fintech
12 16 (2.30%) Derivative
13 10 (1.43%) Client/Server
14 9 (1.29%) HP Storage
15 8 (1.15%) Public Cloud
16 7 (1.00%) Enterprise Software
Operating Systems
1 74 (10.62%) Linux
2 59 (8.46%) Unix
3 26 (3.73%) Windows
4 23 (3.30%) Apple iOS
5 17 (2.44%) Android
6 5 (0.72%) Windows Server
7 4 (0.57%) Red Hat Enterprise Linux
7 4 (0.57%) Windows 7
8 3 (0.43%) CentOS
8 3 (0.43%) Mac OS
8 3 (0.43%) Windows 8
9 2 (0.29%) Mac OS X
9 2 (0.29%) Solaris
10 1 (0.14%) DC/OS
Processes & Methodologies
1 243 (34.86%) Agile Software Development
2 209 (29.99%) OO
3 135 (19.37%) TDD
4 120 (17.22%) Problem-Solving
5 109 (15.64%) Data Modelling
6 102 (14.63%) OOD
7 95 (13.63%) Business Intelligence
8 84 (12.05%) Multithreading
9 78 (11.19%) OOP
10 75 (10.76%) Continuous Integration
11 74 (10.62%) Test Automation
12 71 (10.19%) ETL
13 68 (9.76%) Analytics
14 63 (9.04%) Scrum
15 62 (8.90%) DevOps
16 57 (8.18%) Front End Development
17 56 (8.03%) Migration
18 53 (7.60%) Software Engineering
19 52 (7.46%) Machine Learning
19 52 (7.46%) Microservices
Programming Languages
1 227 (32.57%) SQL
2 188 (26.97%) Java
3 176 (25.25%) JavaScript
4 144 (20.66%) Python
5 99 (14.20%) C#
6 67 (9.61%) C++
7 62 (8.90%) Scala
8 46 (6.60%) ES6
9 44 (6.31%) TypeScript
10 35 (5.02%) Go
11 32 (4.59%) T-SQL
12 27 (3.87%) Java 8
13 21 (3.01%) Apple Swift
13 21 (3.01%) PHP
14 16 (2.30%) Rust
15 15 (2.15%) Perl
16 14 (2.01%) Shell Script
17 13 (1.87%) Bash Shell
18 12 (1.72%) C
19 10 (1.43%) VBA
Qualifications
1 95 (13.63%) Degree
2 50 (7.17%) Computer Science Degree
3 29 (4.16%) Security Cleared
4 21 (3.01%) SC Cleared
5 10 (1.43%) Master's Degree
6 6 (0.86%) PhD
7 5 (0.72%) ISTQB
8 4 (0.57%) A+ Certification
8 4 (0.57%) DV Cleared
8 4 (0.57%) Numerate Degree
9 3 (0.43%) CTC Cleared
9 3 (0.43%) Microsoft Certification
10 2 (0.29%) CISSP
10 2 (0.29%) DBS Check
10 2 (0.29%) IIBA
10 2 (0.29%) MCSE
10 2 (0.29%) SAS Certification
11 1 (0.14%) CCSP
11 1 (0.14%) Cisco Certification
11 1 (0.14%) MCSA
Quality Assurance & Compliance
1 47 (6.74%) Data Quality
2 42 (6.03%) QA
3 3 (0.43%) GDPR
4 2 (0.29%) IFRS
4 2 (0.29%) PMO
5 1 (0.14%) GxP
5 1 (0.14%) HL7
5 1 (0.14%) IFRS 9
5 1 (0.14%) ISO/IEC 27001
5 1 (0.14%) PCI DSS
System Software
1 67 (9.61%) Docker
2 16 (2.30%) HDFS
3 7 (1.00%) Apache Flume
4 4 (0.57%) Active Directory
4 4 (0.57%) KVM
4 4 (0.57%) LXC
5 2 (0.29%) Apache ZooKeeper
6 1 (0.14%) Cronacle
6 1 (0.14%) etcd
6 1 (0.14%) Varnish
6 1 (0.14%) Virtual Servers
Systems Management
1 44 (6.31%) Kubernetes
2 12 (1.72%) Ansible
3 9 (1.29%) Opscode Chef
4 7 (1.00%) Puppet
5 4 (0.57%) Control-M
5 4 (0.57%) HP ALM
5 4 (0.57%) Kibana
5 4 (0.57%) Oozie
5 4 (0.57%) Prometheus
5 4 (0.57%) Single Sign-On
5 4 (0.57%) Systems Management Server (SMS)
6 3 (0.43%) Consul
6 3 (0.43%) CSIRT
6 3 (0.43%) Grafana
6 3 (0.43%) Hadoop YARN
6 3 (0.43%) logstash
6 3 (0.43%) Tivoli
7 2 (0.29%) CA Spectrum
7 2 (0.29%) Docker Swarm
7 2 (0.29%) NetBackup
Vendors
1 76 (10.90%) Microsoft
2 57 (8.18%) Oracle
3 54 (7.75%) Google
4 50 (7.17%) SAP
5 35 (5.02%) Tableau
6 22 (3.16%) Twitter
7 13 (1.87%) HP
8 11 (1.58%) EMC
8 11 (1.58%) Isilon
8 11 (1.58%) NetApp
9 10 (1.43%) Salesforce.com
10 9 (1.29%) Cloudera
10 9 (1.29%) Cypress Semiconductor
10 9 (1.29%) Informatica
10 9 (1.29%) Perfecto Mobile
11 8 (1.15%) Cognos
11 8 (1.15%) Infragistics
12 7 (1.00%) Infor
12 7 (1.00%) Red Hat
12 7 (1.00%) Teradata