Period
to 20 June 2019

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 20 June 2019 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
20 Jun 2019
Same period 2018 Same period 2017
Rank 325 335 334
Rank change year-on-year +10 -1 +80
Contract jobs citing Data Structures 718 749 687
As % of all contract IT jobs advertised in the UK 0.79% 0.75% 0.75%
As % of the Miscellaneous category 2.45% 2.33% 2.28%
Number of daily rates quoted 482 469 470
UK median daily rate £513 £500 £443
Median daily rate % change year-on-year +2.50% +12.99% +1.14%
10th Percentile £363 £363 £325
90th Percentile £713 £650 £650
UK excluding London median daily rate £450 £455 £413
% change year-on-year -1.10% +10.30% +3.13%
Number of hourly rates quoted 7 11 3
UK median hourly rate £47.50 £44.50 £30.00
Median hourly rate % change year-on-year +6.74% +48.33% -14.29%
10th Percentile £17.45 £19.00 £23.00
90th Percentile £70.25 £80.73 £33.00
UK excluding London median hourly rate £60.00 £62.62 £27.50
% change year-on-year -4.18% +127.69% -21.43%

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 29,279 32,189 30,084
As % of all contract IT jobs advertised in the UK 32.27% 32.24% 33.04%
Number of daily rates quoted 18,828 20,864 19,398
UK median daily rate £475 £450 £440
Median daily rate % change year-on-year +5.56% +2.27% +3.53%
10th Percentile £280 £268 £263
90th Percentile £666 £656 £638
UK excluding London median daily rate £425 £405 £400
% change year-on-year +4.94% +1.25% +3.90%
Number of hourly rates quoted 1,024 1,022 1,053
UK median hourly rate £20.86 £21.84 £19.71
Median hourly rate % change year-on-year -4.51% +10.83% -6.17%
10th Percentile £11.75 £11.80 £11.25
90th Percentile £52.50 £50.72 £50.00
UK excluding London median hourly rate £18.50 £20.53 £18.00
% change year-on-year -9.89% +14.06% -14.29%

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 20 June 2019.

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 20 June 2019.

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 20 June 2019. 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 +33 685 £525 - 83
London +38 458 £550 - 57
UK excluding London -22 255 £450 -1.10% 26
South East +28 95 £465 +3.33% 12
North of England +11 45 £425 +6.25% 2
East of England -8 34 £450 -14.29% 2
Yorkshire +24 28 £425 +6.25% 1
Midlands 0 28 £425 +6.25% 6
South West -31 22 £519 +15.60% 4
Scotland +18 21 £450 -
East Midlands +16 13 £423 +8.53% 1
West Midlands -6 13 £425 +1.19% 5
North West +2 11 £350 -12.50% 1
Wales 0 6 £450 -
North East - 6 £450 -
Northern Ireland -20 4 £430 -9.47%

For the 6 months to 20 June 2019, 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 with a requirement for Data Structures.

1 301 (41.92%) Agile Software Development
2 235 (32.73%) SQL
3 233 (32.45%) Algorithms
4 220 (30.64%) Java
5 205 (28.55%) Finance
6 173 (24.09%) Python
7 172 (23.96%) Data Modelling
8 141 (19.64%) JavaScript
9 116 (16.16%) Problem-Solving
10 115 (16.02%) OO
11 112 (15.60%) Analytics
12 111 (15.46%) Amazon AWS
13 109 (15.18%) REST
13 109 (15.18%) Computer Science
14 102 (14.21%) Linux
14 102 (14.21%) ETL
15 100 (13.93%) Git (software)
15 100 (13.93%) Big Data
15 100 (13.93%) Analytical Skills
16 98 (13.65%) SQL Server
17 97 (13.51%) TDD
18 95 (13.23%) Migration
19 94 (13.09%) Oracle
19 94 (13.09%) Microservices
20 90 (12.53%) Business Intelligence
21 89 (12.40%) Degree
21 89 (12.40%) Continuous Integration
22 88 (12.26%) NoSQL
23 87 (12.12%) Relational Database
24 80 (11.14%) Data Warehouse

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 73 (10.17%) Apache Spark
2 25 (3.48%) Apache
3 11 (1.53%) Confluence
4 10 (1.39%) Elasticsearch
5 9 (1.25%) CMS
5 9 (1.25%) SharePoint
6 7 (0.97%) IPython
6 7 (0.97%) SAS
7 6 (0.84%) Apache Solr
8 5 (0.70%) Magnolia
9 4 (0.56%) IBM HTTP Server
10 3 (0.42%) Tomcat
10 3 (0.42%) WebLogic
10 3 (0.42%) WebSphere
11 2 (0.28%) Apache Pig
11 2 (0.28%) Oracle SOA Suite
12 1 (0.14%) Cloud Foundry
12 1 (0.14%) Jupyter
12 1 (0.14%) nginx
12 1 (0.14%) SharePoint 2010
Applications
1 30 (4.18%) Microsoft Excel
2 6 (0.84%) Microsoft Office
2 6 (0.84%) Microsoft PowerPoint
3 3 (0.42%) MS Visio
3 3 (0.42%) Spreadsheet
4 2 (0.28%) Adobe Illustrator
4 2 (0.28%) InVision
4 2 (0.28%) Sketch
4 2 (0.28%) Zeplin
5 1 (0.14%) Fireworks
5 1 (0.14%) InfoPath
5 1 (0.14%) Microsoft Project
5 1 (0.14%) Photoshop
Business Applications
1 14 (1.95%) SAP S/4HANA
2 11 (1.53%) SAP ERP
3 8 (1.11%) Oracle Financials
4 7 (0.97%) SAP BPC
4 7 (0.97%) SAP EWM
4 7 (0.97%) SAP WM
5 6 (0.84%) Dynamics AX
6 5 (0.70%) NetSuite
7 4 (0.56%) Oracle EBS
7 4 (0.56%) SAP FI
7 4 (0.56%) SAP Retail
8 3 (0.42%) Dynamics NAV
8 3 (0.42%) Oracle Cash Management
8 3 (0.42%) Oracle EBS R12
8 3 (0.42%) Oracle Payables
8 3 (0.42%) Oracle Procure-to-Pay
8 3 (0.42%) Oracle Receivables
9 2 (0.28%) Dynamics CRM
9 2 (0.28%) Oracle iSupplier
9 2 (0.28%) ResourceLink
Cloud Services
1 111 (15.46%) Amazon AWS
2 79 (11.00%) Microsoft Azure
3 58 (8.08%) Google Cloud Platform
4 52 (7.24%) Power Platform
5 41 (5.71%) Amazon S3
6 30 (4.18%) Amazon SQS
7 28 (3.90%) Amazon EC2
8 23 (3.20%) GitHub
9 20 (2.79%) AWS CloudFormation
10 16 (2.23%) Amazon CloudWatch
10 16 (2.23%) Amazon Glacier
10 16 (2.23%) AWS CloudTrail
10 16 (2.23%) Virtual Private Cloud
11 15 (2.09%) Amazon EMR
12 14 (1.95%) Amazon SageMaker
13 13 (1.81%) SaaS
14 12 (1.67%) PaaS
15 10 (1.39%) Dynamics 365
16 9 (1.25%) Serverless
17 8 (1.11%) AWS Lambda
Communications & Networking
1 7 (0.97%) HTTP
1 7 (0.97%) RFID
2 2 (0.28%) VoIP
3 1 (0.14%) BIG-IP
3 1 (0.14%) Bluetooth
3 1 (0.14%) DNS
3 1 (0.14%) Firewall
3 1 (0.14%) FTP
3 1 (0.14%) HTTPS
3 1 (0.14%) Internet
3 1 (0.14%) Intranet
3 1 (0.14%) NetScaler
3 1 (0.14%) Reverse Proxy
3 1 (0.14%) TCP/IP
Database & Business Intelligence
1 100 (13.93%) Big Data
2 98 (13.65%) SQL Server
3 88 (12.26%) NoSQL
4 87 (12.12%) Relational Database
5 80 (11.14%) Data Warehouse
6 62 (8.64%) Hadoop
7 52 (7.24%) Power BI
8 47 (6.55%) Apache Hive
9 42 (5.85%) MySQL
10 36 (5.01%) MongoDB
11 31 (4.32%) Apache Cassandra
12 26 (3.62%) PostgreSQL
13 22 (3.06%) Amazon Redshift
14 21 (2.92%) SQL Server Integration Services
15 20 (2.79%) Amazon RDS
15 20 (2.79%) BusinessObjects
15 20 (2.79%) Data Lake
16 19 (2.65%) RDBMS
17 16 (2.23%) SQL Server Reporting Services
18 14 (1.95%) Amazon Aurora
Development Applications
1 100 (13.93%) Git (software)
2 63 (8.77%) Jenkins
3 28 (3.90%) JUnit
4 21 (2.92%) JIRA
5 17 (2.37%) Maven
6 14 (1.95%) Selenium
7 13 (1.81%) Sonatype Nexus
7 13 (1.81%) Subversion
7 13 (1.81%) TeamCity
8 12 (1.67%) Visual Studio
9 11 (1.53%) Cucumber
10 10 (1.39%) Artifactory
10 10 (1.39%) Visual Studio Team System
10 10 (1.39%) WebDriver
11 9 (1.25%) Mocha
12 8 (1.11%) Gradle
12 8 (1.11%) SpecFlow
12 8 (1.11%) webpack
13 7 (0.97%) Mockito
14 6 (0.84%) IntelliJ
General
1 205 (28.55%) Finance
2 79 (11.00%) Banking
3 30 (4.18%) Front Office
4 29 (4.04%) Marketing
5 25 (3.48%) Investment Banking
6 24 (3.34%) Manufacturing
7 22 (3.06%) Financial Institution
8 21 (2.92%) Retail
9 15 (2.09%) Electronics
10 13 (1.81%) Telecoms
11 8 (1.11%) Legal
12 7 (0.97%) Games
12 7 (0.97%) Pharmaceutical
13 4 (0.56%) Back Office
13 4 (0.56%) Billing
14 3 (0.42%) General Ledger
14 3 (0.42%) Military
15 2 (0.28%) Aerospace
15 2 (0.28%) Retail Banking
16 1 (0.14%) Arabic Language
Job Titles
1 341 (47.49%) Developer
2 122 (16.99%) Java Developer
3 109 (15.18%) Analyst
4 69 (9.61%) Architect
5 55 (7.66%) Data Engineer
6 43 (5.99%) Data Analyst
7 42 (5.85%) Consultant
8 41 (5.71%) Business Analyst
9 39 (5.43%) Senior Developer
10 34 (4.74%) Data Architect
11 33 (4.60%) Python Developer
12 30 (4.18%) C# Developer
13 25 (3.48%) JavaScript Developer
13 25 (3.48%) SQL Developer
14 23 (3.20%) .NET Developer
14 23 (3.20%) Hybris Developer
14 23 (3.20%) Senior Java Developer
14 23 (3.20%) Software Developer
15 21 (2.92%) Python Engineer
15 21 (2.92%) Software Engineer
Libraries, Frameworks & Software Standards
1 109 (15.18%) REST
2 80 (11.14%) HTML
3 76 (10.58%) Kafka
4 68 (9.47%) Spring
5 62 (8.64%) CSS
5 62 (8.64%) Web Services
6 60 (8.36%) Node.js
7 59 (8.22%) HTML5
8 58 (8.08%) React
9 56 (7.80%) SOAP
10 50 (6.96%) .NET
11 47 (6.55%) JSON
12 38 (5.29%) AngularJS
13 37 (5.15%) XML
14 35 (4.87%) RESTful
15 32 (4.46%) Middleware
16 25 (3.48%) Spring Boot
17 23 (3.20%) RabbitMQ
18 20 (2.79%) JMS
18 20 (2.79%) Vue.js
Miscellaneous
1 233 (32.45%) Algorithms
2 100 (13.93%) Analytical Skills
3 46 (6.41%) User Experience
4 24 (3.34%) Greenfield Project
5 23 (3.20%) Hedge funds
6 20 (2.79%) Equities
7 19 (2.65%) Management Information System
8 17 (2.37%) Self-Motivation
9 16 (2.23%) Fixed Income
9 16 (2.23%) Life Science
10 13 (1.81%) Client/Server
10 13 (1.81%) Foreign Exchange (FX)
11 11 (1.53%) Data Protection Act
12 10 (1.39%) Mainframe
12 10 (1.39%) Reference Data
13 9 (1.25%) Credit Risk
13 9 (1.25%) Derivative
13 9 (1.25%) Linux Command Line
14 8 (1.11%) Enterprise Software
14 8 (1.11%) Video on Demand
Operating Systems
1 102 (14.21%) Linux
2 34 (4.74%) Unix
2 34 (4.74%) Windows
3 8 (1.11%) Android
4 2 (0.28%) Apple iOS
4 2 (0.28%) Red Hat Enterprise Linux
5 1 (0.14%) Windows Server
Processes & Methodologies
1 301 (41.92%) Agile Software Development
2 172 (23.96%) Data Modelling
3 116 (16.16%) Problem-Solving
4 115 (16.02%) OO
5 112 (15.60%) Analytics
6 109 (15.18%) Computer Science
7 102 (14.21%) ETL
8 97 (13.51%) TDD
9 95 (13.23%) Migration
10 94 (13.09%) Microservices
11 90 (12.53%) Business Intelligence
12 89 (12.40%) Continuous Integration
13 77 (10.72%) DevOps
14 73 (10.17%) Software Engineering
15 69 (9.61%) Scrum
15 69 (9.61%) Test Automation
16 67 (9.33%) Data Analysis
16 67 (9.33%) Data Migration
17 65 (9.05%) Data Science
18 61 (8.50%) Machine Learning
Programming Languages
1 235 (32.73%) SQL
2 220 (30.64%) Java
3 173 (24.09%) Python
4 141 (19.64%) JavaScript
5 77 (10.72%) Scala
6 65 (9.05%) C#
7 58 (8.08%) C++
8 49 (6.82%) TypeScript
9 48 (6.69%) Java 8
10 34 (4.74%) Bash Shell
11 25 (3.48%) Go
12 23 (3.20%) T-SQL
13 21 (2.92%) ES6
14 19 (2.65%) Clojure
14 19 (2.65%) R
15 17 (2.37%) Groovy
16 13 (1.81%) C
17 12 (1.67%) Perl
17 12 (1.67%) PL/SQL
18 10 (1.39%) PHP
Qualifications
1 89 (12.40%) Degree
2 64 (8.91%) Security Cleared
3 46 (6.41%) SC Cleared
4 34 (4.74%) Computer Science Degree
5 16 (2.23%) DV Cleared
6 14 (1.95%) PhD
7 11 (1.53%) CTC Cleared
8 8 (1.11%) ACCA
9 7 (0.97%) ISEB
10 3 (0.42%) ITIL Certification
11 2 (0.28%) BC Cleared
11 2 (0.28%) Master's Degree
11 2 (0.28%) Numerate Degree
12 1 (0.14%) BPSS Clearance
12 1 (0.14%) CBAP
12 1 (0.14%) DBS Check
12 1 (0.14%) ISEB Practitioner
12 1 (0.14%) MBA
12 1 (0.14%) PMP
Quality Assurance & Compliance
1 64 (8.91%) Data Quality
2 55 (7.66%) QA
3 7 (0.97%) Dublin Core
4 6 (0.84%) GDPR
5 4 (0.56%) SEPA
6 3 (0.42%) IFRS
6 3 (0.42%) MiFID
7 1 (0.14%) Disclosure Scotland
7 1 (0.14%) EMIR
7 1 (0.14%) GAAP
7 1 (0.14%) HL7
7 1 (0.14%) IFRS 9
7 1 (0.14%) SLA
System Software
1 76 (10.58%) Docker
2 18 (2.51%) HDFS
3 3 (0.42%) Apache Flume
3 3 (0.42%) Firmware
4 2 (0.28%) Apache ZooKeeper
4 2 (0.28%) etcd
4 2 (0.28%) Oracle RAC
5 1 (0.14%) Active Directory
5 1 (0.14%) KVM
5 1 (0.14%) LXC
5 1 (0.14%) VirtualBox
Systems Management
1 64 (8.91%) Kubernetes
2 30 (4.18%) Ansible
3 13 (1.81%) Kibana
4 9 (1.25%) Grafana
5 6 (0.84%) Opscode Chef
5 6 (0.84%) Puppet
5 6 (0.84%) Terraform
6 5 (0.70%) Hadoop YARN
7 4 (0.56%) Control-M
8 2 (0.28%) Consul
9 1 (0.14%) Data Guard
9 1 (0.14%) Oracle Identity Manager
9 1 (0.14%) Packer
9 1 (0.14%) Single Sign-On
Vendors
1 94 (13.09%) Oracle
2 53 (7.38%) SAP
3 52 (7.24%) Microsoft
4 40 (5.57%) Google
5 24 (3.34%) Tableau
6 23 (3.20%) hybris
7 19 (2.65%) Salesforce.com
8 13 (1.81%) IBM
9 11 (1.53%) Informatica
10 10 (1.39%) Talend
11 8 (1.11%) Cypress Semiconductor
12 7 (0.97%) Adobe
12 7 (0.97%) MuleSoft
13 6 (0.84%) Atlassian
13 6 (0.84%) Xerox
14 5 (0.70%) Cloudera
14 5 (0.70%) Hortonworks
14 5 (0.70%) ServiceNow
14 5 (0.70%) Twitter
15 4 (0.56%) BMC