Period
to 18 September 2019

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 18 September 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 > England
6 months to
18 Sep 2019
Same period 2018 Same period 2017
Rank 337 335 330
Rank change year-on-year -2 -5 +88
Contract jobs citing Data Structures 604 717 690
As % of all contract IT jobs advertised in England 0.74% 0.76% 0.77%
As % of the Miscellaneous category 2.35% 2.33% 2.31%
Number of daily rates quoted 401 451 465
England median daily rate £520 £500 £475
Median daily rate % change year-on-year +4.00% +5.26% +9.51%
10th Percentile £350 £363 £350
90th Percentile £700 £675 £675
UK median daily rate £513 £500 £450
% change year-on-year +2.50% +11.11% +5.88%
Number of hourly rates quoted 11 8 8
England median hourly rate £47.50 £37.09 £35.00
Median hourly rate % change year-on-year +28.07% +5.97% -19.54%
10th Percentile £21.25 £20.70 £27.00
90th Percentile £72.50 £55.00 £53.30
UK median hourly rate £47.50 £37.09 £35.00
% change year-on-year +28.07% +5.97% -19.54%

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 25,753 30,833 29,826
As % of all contract IT jobs advertised in England 31.53% 32.77% 33.11%
Number of daily rates quoted 16,530 20,172 19,509
England median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £275 £278 £264
90th Percentile £675 £663 £650
UK median daily rate £475 £470 £450
% change year-on-year +1.06% +4.44% +5.88%
Number of hourly rates quoted 921 948 921
England median hourly rate £21.50 £20.50 £20.00
Median hourly rate % change year-on-year +4.88% +2.50% -
10th Percentile £11.31 £12.25 £11.25
90th Percentile £53.75 £50.40 £50.00
UK median hourly rate £21.50 £20.00 £21.00
% change year-on-year +7.50% -4.76% +2.44%

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 18 September 2019.

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 18 September 2019.

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 18 September 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
London +13 389 £550 +1.85% 143
South East +8 82 £438 -2.78% 31
East of England +20 41 £450 -4.66% 12
South West +2 38 £513 +20.59% 24
North of England +19 37 £400 +8.11% 17
Yorkshire +46 21 £425 -10.53% 4
Midlands +16 15 £481 +26.64% 21
North West +2 12 £358 -2.39% 13
East Midlands +19 11 £488 +28.29% 12
North East +25 4 £325 +44.44%
West Midlands +22 4 £475 +13.10% 9
Data Structures
UK

For the 6 months to 18 September 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 across the England region with a requirement for Data Structures.

1 219 (36.26%) Agile Software Development
2 216 (35.76%) SQL
3 174 (28.81%) Java
4 167 (27.65%) Algorithms
5 143 (23.68%) Finance
6 142 (23.51%) Data Modelling
7 139 (23.01%) Python
8 117 (19.37%) JavaScript
9 105 (17.38%) AWS
10 103 (17.05%) OO
11 102 (16.89%) Degree
11 102 (16.89%) Analytics
12 97 (16.06%) Business Intelligence
13 95 (15.73%) Analytical Skills
14 91 (15.07%) SQL Server
15 87 (14.40%) DevOps
16 85 (14.07%) Linux
16 85 (14.07%) ETL
17 84 (13.91%) Data Warehouse
18 82 (13.58%) NoSQL
18 82 (13.58%) Problem-Solving
19 81 (13.41%) Apache Spark
20 79 (13.08%) Computer Science
21 76 (12.58%) Data Science
22 74 (12.25%) Big Data
23 73 (12.09%) Data Analysis
24 72 (11.92%) Oracle
24 72 (11.92%) Docker
25 70 (11.59%) TDD
26 68 (11.26%) Banking

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 81 (13.41%) Apache Spark
2 14 (2.32%) CMS
3 9 (1.49%) Apache
3 9 (1.49%) Confluence
3 9 (1.49%) Magnolia
4 8 (1.32%) Elasticsearch
5 6 (0.99%) Apache Solr
6 5 (0.83%) SharePoint
7 4 (0.66%) Apache Airflow
7 4 (0.66%) IBM HTTP Server
7 4 (0.66%) Jupyter
8 3 (0.50%) Luigi
9 2 (0.33%) IPython
9 2 (0.33%) SharePoint 2010
10 1 (0.17%) Adobe Experience Manager
10 1 (0.17%) Cloud Foundry
10 1 (0.17%) Ethereum
10 1 (0.17%) Hyperledger
10 1 (0.17%) MQSeries
10 1 (0.17%) OpenStack
Applications
1 33 (5.46%) Microsoft Excel
2 19 (3.15%) Microsoft Office
3 7 (1.16%) MS Visio
4 3 (0.50%) Spreadsheet
5 2 (0.33%) Adobe Illustrator
5 2 (0.33%) InfoPath
5 2 (0.33%) InVision
5 2 (0.33%) Sketch
5 2 (0.33%) Zeplin
Business Applications
1 20 (3.31%) SAP ERP
2 10 (1.66%) SAP EWM
2 10 (1.66%) SAP WM
3 8 (1.32%) SAP S/4HANA
4 6 (0.99%) SAP BPC
5 5 (0.83%) Dynamics NAV
5 5 (0.83%) Oracle Cash Management
5 5 (0.83%) Oracle Payables
5 5 (0.83%) Oracle Receivables
5 5 (0.83%) Sparx Enterprise Architect
6 4 (0.66%) Dynamics AX
6 4 (0.66%) Oracle Applications
6 4 (0.66%) Oracle EBS
6 4 (0.66%) Oracle Procure-to-Pay
7 3 (0.50%) Oracle EBS R12
7 3 (0.50%) SAP HCM
7 3 (0.50%) Teamcenter
8 2 (0.33%) NetSuite
8 2 (0.33%) Oracle General Ledger
8 2 (0.33%) SAP Oil and Gas
Cloud Services
1 105 (17.38%) AWS
2 64 (10.60%) Azure
3 63 (10.43%) Power Platform
4 53 (8.77%) GCP
5 35 (5.79%) Amazon S3
6 22 (3.64%) Serverless
7 21 (3.48%) Amazon EMR
7 21 (3.48%) Amazon SQS
8 20 (3.31%) AWS Lambda
9 16 (2.65%) Amazon SageMaker
10 13 (2.15%) Amazon EC2
11 11 (1.82%) PaaS
12 8 (1.32%) Cloud Computing
12 8 (1.32%) GitHub
13 7 (1.16%) AWS CloudFormation
13 7 (1.16%) Dynamics 365
13 7 (1.16%) npm
13 7 (1.16%) SaaS
14 6 (0.99%) Amazon Kinesis
15 5 (0.83%) Amazon ECS
Communications & Networking
1 11 (1.82%) RFID
2 4 (0.66%) SSH
3 3 (0.50%) Multicast
3 3 (0.50%) VoIP
4 2 (0.33%) HTTP
4 2 (0.33%) LAN
4 2 (0.33%) WAN
5 1 (0.17%) DNS
5 1 (0.17%) Peer-to-Peer Networking
5 1 (0.17%) Skype
5 1 (0.17%) VPN
Database & Business Intelligence
1 91 (15.07%) SQL Server
2 84 (13.91%) Data Warehouse
3 82 (13.58%) NoSQL
4 74 (12.25%) Big Data
5 63 (10.43%) Power BI
5 63 (10.43%) Relational Database
6 61 (10.10%) Hadoop
7 43 (7.12%) Amazon Redshift
7 43 (7.12%) MySQL
8 37 (6.13%) Apache Hive
9 32 (5.30%) MongoDB
10 30 (4.97%) SQL Server Integration Services
11 28 (4.64%) PostgreSQL
12 24 (3.97%) Amazon Aurora
13 23 (3.81%) Apache Cassandra
14 22 (3.64%) BusinessObjects
15 21 (3.48%) SQL Server Reporting Services
16 19 (3.15%) Data Lake
17 14 (2.32%) OLAP
17 14 (2.32%) Redis
Development Applications
1 57 (9.44%) Git (software)
2 41 (6.79%) Jenkins
3 19 (3.15%) JUnit
4 18 (2.98%) Sonatype Nexus
5 17 (2.81%) JIRA
6 13 (2.15%) TeamCity
7 12 (1.99%) Maven
7 12 (1.99%) Visual Studio
8 11 (1.82%) Artifactory
8 11 (1.82%) Visual Studio Team System
9 9 (1.49%) Selenium
10 8 (1.32%) Cucumber
10 8 (1.32%) Mocha
10 8 (1.32%) SpecFlow
10 8 (1.32%) Subversion
10 8 (1.32%) WebDriver
11 7 (1.16%) SQL Server Management Studio (SSMS)
11 7 (1.16%) webpack
12 6 (0.99%) Bitbucket
12 6 (0.99%) CircleCI
General
1 143 (23.68%) Finance
2 68 (11.26%) Banking
3 38 (6.29%) Front Office
4 29 (4.80%) Manufacturing
5 23 (3.81%) Retail
6 21 (3.48%) Pharmaceutical
6 21 (3.48%) Public Sector
7 20 (3.31%) Investment Banking
8 14 (2.32%) Telecoms
9 13 (2.15%) Financial Institution
10 10 (1.66%) Marketing
11 9 (1.49%) Electronics
11 9 (1.49%) Legal
12 8 (1.32%) Games
13 5 (0.83%) Billing
13 5 (0.83%) General Ledger
14 4 (0.66%) Law
15 3 (0.50%) Military
16 2 (0.33%) Publishing
16 2 (0.33%) Retail Banking
Job Titles
1 256 (42.38%) Developer
2 94 (15.56%) Analyst
3 92 (15.23%) Java Developer
4 77 (12.75%) Data Engineer
5 48 (7.95%) Architect
6 40 (6.62%) Senior Developer
7 39 (6.46%) Data Analyst
8 38 (6.29%) Consultant
9 36 (5.96%) JavaScript Developer
10 29 (4.80%) Business Analyst
11 28 (4.64%) Data Architect
12 27 (4.47%) Senior Java Developer
13 23 (3.81%) Python Engineer
14 18 (2.98%) Functional Consultant
14 18 (2.98%) Software Engineer
15 17 (2.81%) Software Developer
15 17 (2.81%) SQL Developer
16 16 (2.65%) SAP Consultant
17 15 (2.48%) .NET Developer
17 15 (2.48%) C# Developer
Libraries, Frameworks & Software Standards
1 61 (10.10%) REST
2 57 (9.44%) HTML
3 54 (8.94%) Web Services
4 49 (8.11%) CSS
5 48 (7.95%) Kafka
6 43 (7.12%) Node.js
6 43 (7.12%) Spring
7 41 (6.79%) HTML5
7 41 (6.79%) XML
8 38 (6.29%) .NET
9 27 (4.47%) React
10 26 (4.30%) JSON
11 24 (3.97%) AngularJS
12 23 (3.81%) SOAP
13 22 (3.64%) Spring Boot
14 19 (3.15%) RESTful
15 15 (2.48%) MLlib
16 14 (2.32%) LAMP
16 14 (2.32%) Play Framework
16 14 (2.32%) scikit-learn
Miscellaneous
1 167 (27.65%) Algorithms
2 95 (15.73%) Analytical Skills
3 31 (5.13%) Equities
4 26 (4.30%) User Experience
5 21 (3.48%) Life Science
6 19 (3.15%) Foreign Exchange (FX)
7 17 (2.81%) Greenfield Project
7 17 (2.81%) Linux Command Line
8 15 (2.48%) Self-Motivation
9 14 (2.32%) Derivative
9 14 (2.32%) LIMS
10 13 (2.15%) Management Information System
11 11 (1.82%) Video on Demand
12 10 (1.66%) Video\Live Streaming
13 9 (1.49%) Fixed Income
13 9 (1.49%) Public Cloud
14 7 (1.16%) Hedge funds
15 6 (0.99%) Cloud Native
15 6 (0.99%) Credit Risk
15 6 (0.99%) Mainframe
Operating Systems
1 85 (14.07%) Linux
2 31 (5.13%) Unix
3 27 (4.47%) Windows
4 5 (0.83%) Android
5 4 (0.66%) Apple iOS
6 3 (0.50%) Red Hat Enterprise Linux
7 2 (0.33%) CentOS
8 1 (0.17%) Windows Server
Processes & Methodologies
1 219 (36.26%) Agile Software Development
2 142 (23.51%) Data Modelling
3 103 (17.05%) OO
4 102 (16.89%) Analytics
5 97 (16.06%) Business Intelligence
6 87 (14.40%) DevOps
7 85 (14.07%) ETL
8 82 (13.58%) Problem-Solving
9 79 (13.08%) Computer Science
10 76 (12.58%) Data Science
11 73 (12.09%) Data Analysis
12 70 (11.59%) TDD
13 68 (11.26%) Software Engineering
14 62 (10.26%) Continuous Integration
15 60 (9.93%) Scrum
16 57 (9.44%) Machine Learning
17 51 (8.44%) Microservices
18 50 (8.28%) Test Automation
19 45 (7.45%) Migration
20 42 (6.95%) Kanban
Programming Languages
1 216 (35.76%) SQL
2 174 (28.81%) Java
3 139 (23.01%) Python
4 117 (19.37%) JavaScript
5 63 (10.43%) Scala
6 45 (7.45%) C++
7 40 (6.62%) C#
8 37 (6.13%) Java 8
8 37 (6.13%) TypeScript
9 29 (4.80%) Go
10 24 (3.97%) R
11 23 (3.81%) T-SQL
12 14 (2.32%) C
13 13 (2.15%) Clojure
14 11 (1.82%) ES6
14 11 (1.82%) PL/SQL
15 10 (1.66%) Groovy
16 8 (1.32%) Kotlin
17 7 (1.16%) Bash Shell
17 7 (1.16%) VBA
Qualifications
1 102 (16.89%) Degree
2 41 (6.79%) Security Cleared
3 40 (6.62%) Computer Science Degree
4 36 (5.96%) SC Cleared
5 7 (1.16%) PhD
6 5 (0.83%) DV Cleared
6 5 (0.83%) Master's Degree
6 5 (0.83%) TOGAF Certification
7 4 (0.66%) HNC
8 3 (0.50%) ISEB
8 3 (0.50%) Numerate Degree
9 2 (0.33%) BC Cleared
10 1 (0.17%) ACCA
10 1 (0.17%) BPSS Clearance
10 1 (0.17%) CBAP
10 1 (0.17%) HND
10 1 (0.17%) ISEB Practitioner
10 1 (0.17%) ITIL Certification
10 1 (0.17%) PMI Certification
10 1 (0.17%) PMP
Quality Assurance & Compliance
1 42 (6.95%) Data Quality
2 36 (5.96%) QA
3 11 (1.82%) GDPR
4 4 (0.66%) Sarbanes-Oxley
5 2 (0.33%) Dublin Core
5 2 (0.33%) IFRS
6 1 (0.17%) Disclosure Scotland
6 1 (0.17%) EMIR
6 1 (0.17%) GAAP
6 1 (0.17%) MiFID
System Software
1 72 (11.92%) Docker
2 7 (1.16%) HDFS
3 4 (0.66%) Oracle RAC
4 3 (0.50%) Apache Flume
5 1 (0.17%) Virtual Machines
5 1 (0.17%) VirtualBox
Systems Management
1 38 (6.29%) Kubernetes
2 16 (2.65%) Terraform
3 12 (1.99%) Ansible
4 7 (1.16%) Grafana
5 5 (0.83%) Kibana
6 4 (0.66%) Control-M
6 4 (0.66%) Hadoop YARN
7 3 (0.50%) Data Guard
8 2 (0.33%) EMC NetWorker
8 2 (0.33%) Oracle RMAN
8 2 (0.33%) Packer
8 2 (0.33%) Puppet
8 2 (0.33%) Tivoli Storage Manager
9 1 (0.17%) Opscode Chef
9 1 (0.17%) Prometheus
9 1 (0.17%) Single Sign-On
Vendors
1 72 (11.92%) Oracle
2 59 (9.77%) Microsoft
3 48 (7.95%) SAP
4 34 (5.63%) Google
5 28 (4.64%) Tableau
6 17 (2.81%) LabWare
6 17 (2.81%) Talend
7 16 (2.65%) hybris
8 15 (2.48%) Salesforce.com
9 13 (2.15%) Informatica
10 8 (1.32%) Cypress Semiconductor
10 8 (1.32%) IBM
10 8 (1.32%) Siemens
11 6 (0.99%) Cognos
12 5 (0.83%) ComArch
12 5 (0.83%) Hortonworks
12 5 (0.83%) Minitab
12 5 (0.83%) Remedy
12 5 (0.83%) Teradata
12 5 (0.83%) TIBCO