Period
to 19 November 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 19 November 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
19 Nov 2019
Same period 2018 Same period 2017
Rank 319 337 300
Rank change year-on-year +18 -37 +121
Contract jobs citing Data Structures 582 717 814
As % of all contract IT jobs advertised in England 0.76% 0.76% 0.87%
As % of the Miscellaneous category 2.42% 2.32% 2.62%
Number of daily rates quoted 367 475 560
England median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £350 £369 £363
90th Percentile £713 £700 £691
UK median daily rate £525 £500 £460
% change year-on-year +5.00% +8.70% +4.55%
Number of hourly rates quoted 14 9 14
England median hourly rate £43.75 £39.50 £35.00
Median hourly rate % change year-on-year +10.76% +12.86% +2.94%
10th Percentile £32.46 £33.67 £27.00
90th Percentile £73.75 £46.90 £56.15
UK median hourly rate £43.75 £39.50 £35.00
% change year-on-year +10.76% +12.86% +2.94%

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 24,041 30,842 31,038
As % of all contract IT jobs advertised in England 31.44% 32.66% 33.28%
Number of daily rates quoted 15,442 20,420 20,610
England median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £263 £275 £263
90th Percentile £675 £663 £650
UK median daily rate £470 £475 £450
% change year-on-year -1.05% +5.56% +5.88%
Number of hourly rates quoted 948 954 919
England median hourly rate £22.50 £20.00 £20.00
Median hourly rate % change year-on-year +12.50% - -
10th Percentile £11.85 £12.23 £11.17
90th Percentile £53.75 £49.63 £47.83
UK median hourly rate £22.50 £20.00 £20.00
% change year-on-year +12.50% - -

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 19 November 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 19 November 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 19 November 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 +3 364 £550 - 116
South East +54 92 £450 +5.88% 17
East of England +32 40 £450 - 20
South West +10 35 £488 +11.75% 12
North of England +16 28 £376 -1.31% 23
Midlands +29 17 £463 +18.59% 14
East Midlands +15 13 £300 -25.00% 5
Yorkshire +31 12 £388 -14.84% 8
North West -14 10 £350 -3.45% 13
North East +23 6 £363 +61.11% 2
West Midlands +25 4 £475 +26.67% 9
Data Structures
UK

For the 6 months to 19 November 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.

1 224 (38.49%) SQL
2 205 (35.22%) Agile Software Development
3 185 (31.79%) Java
4 163 (28.01%) Algorithms
5 146 (25.09%) Finance
6 136 (23.37%) OO
7 128 (21.99%) JavaScript
8 124 (21.31%) Python
9 118 (20.27%) Analytics
10 117 (20.10%) Data Modelling
11 113 (19.42%) Analytical Skills
12 103 (17.70%) Business Intelligence
12 103 (17.70%) Problem-Solving
13 97 (16.67%) ETL
14 93 (15.98%) Degree
15 92 (15.81%) Oracle
16 91 (15.64%) Linux
17 89 (15.29%) AWS
18 87 (14.95%) SQL Server
18 87 (14.95%) Computer Science
19 84 (14.43%) DevOps
20 83 (14.26%) Test Automation
21 82 (14.09%) Data Warehouse
22 76 (13.06%) NoSQL
23 73 (12.54%) Azure
24 72 (12.37%) Apache Spark
24 72 (12.37%) Banking
25 69 (11.86%) TDD
25 69 (11.86%) Microsoft
26 68 (11.68%) Big Data

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 72 (12.37%) Apache Spark
2 20 (3.44%) Apache
3 9 (1.55%) Apache Airflow
3 9 (1.55%) Confluence
3 9 (1.55%) Tomcat
3 9 (1.55%) WebLogic
4 8 (1.37%) CMS
5 7 (1.20%) Cloud Foundry
5 7 (1.20%) Elasticsearch
5 7 (1.20%) Luigi
6 5 (0.86%) Jupyter
6 5 (0.86%) Magnolia
7 3 (0.52%) Camunda
7 3 (0.52%) SharePoint
8 2 (0.34%) Apache Solr
8 2 (0.34%) BizTalk Server
8 2 (0.34%) Ethereum
8 2 (0.34%) OpenStack
8 2 (0.34%) SharePoint 2010
8 2 (0.34%) WebSphere
Applications
1 31 (5.33%) Microsoft Excel
2 26 (4.47%) Microsoft Office
3 9 (1.55%) MS Visio
4 4 (0.69%) Spreadsheet
5 2 (0.34%) Adobe Illustrator
5 2 (0.34%) InfoPath
5 2 (0.34%) InVision
5 2 (0.34%) Sketch
5 2 (0.34%) Zeplin
Business Applications
1 20 (3.44%) SAP ERP
2 11 (1.89%) Oracle Applications
3 10 (1.72%) SAP EWM
3 10 (1.72%) SAP WM
4 5 (0.86%) Dynamics AX
4 5 (0.86%) Dynamics CRM
4 5 (0.86%) Oracle Cash Management
4 5 (0.86%) Oracle Payables
4 5 (0.86%) Oracle Receivables
4 5 (0.86%) Sparx Enterprise Architect
5 4 (0.69%) Dynamics NAV
5 4 (0.69%) Oracle EBS
5 4 (0.69%) Oracle Procure-to-Pay
5 4 (0.69%) SAP HCM
6 3 (0.52%) FINCAD Analytics
6 3 (0.52%) Oracle EBS R12
6 3 (0.52%) Teamcenter
7 2 (0.34%) Maximo
7 2 (0.34%) Oracle General Ledger
7 2 (0.34%) Oracle iProcurement
Cloud Services
1 89 (15.29%) AWS
2 73 (12.54%) Azure
3 59 (10.14%) Power Platform
4 43 (7.39%) GCP
5 31 (5.33%) Amazon S3
6 21 (3.61%) Serverless
7 19 (3.26%) Amazon EMR
7 19 (3.26%) Amazon SQS
7 19 (3.26%) AWS Lambda
8 11 (1.89%) Amazon EC2
9 8 (1.37%) AWS CloudFormation
9 8 (1.37%) AWS Step Functions
9 8 (1.37%) Cloud Computing
9 8 (1.37%) Dynamics 365
9 8 (1.37%) Heroku
10 7 (1.20%) PaaS
11 6 (1.03%) Amazon ECS
11 6 (1.03%) Amazon Kinesis
11 6 (1.03%) npm
11 6 (1.03%) SaaS
Communications & Networking
1 13 (2.23%) Multicast
2 11 (1.89%) RFID
3 4 (0.69%) SSH
4 3 (0.52%) HTTP
5 2 (0.34%) LAN
5 2 (0.34%) Peer-to-Peer Networking
5 2 (0.34%) VoIP
5 2 (0.34%) VPN
5 2 (0.34%) WAN
6 1 (0.17%) ATM
6 1 (0.17%) Cisco ASA
6 1 (0.17%) Cisco Nexus
6 1 (0.17%) Ethernet
6 1 (0.17%) Firewall
6 1 (0.17%) ISDN
6 1 (0.17%) Q.931
6 1 (0.17%) QSIG
6 1 (0.17%) Skype
6 1 (0.17%) TCP/IP
6 1 (0.17%) xDSL
Database & Business Intelligence
1 87 (14.95%) SQL Server
2 82 (14.09%) Data Warehouse
3 76 (13.06%) NoSQL
4 68 (11.68%) Big Data
5 61 (10.48%) Relational Database
6 59 (10.14%) Power BI
7 56 (9.62%) Hadoop
8 39 (6.70%) Amazon Redshift
9 36 (6.19%) MySQL
10 31 (5.33%) SQL Server Integration Services
11 28 (4.81%) MongoDB
11 28 (4.81%) PostgreSQL
12 23 (3.95%) BusinessObjects
13 22 (3.78%) Amazon Aurora
13 22 (3.78%) Apache Hive
14 19 (3.26%) Apache Cassandra
14 19 (3.26%) SAP HANA
15 17 (2.92%) Data Lake
15 17 (2.92%) Snowflake Schema
16 15 (2.58%) SQL Server Reporting Services
Development Applications
1 60 (10.31%) Git (software)
2 44 (7.56%) Jenkins
3 23 (3.95%) JUnit
4 19 (3.26%) JIRA
4 19 (3.26%) Maven
5 15 (2.58%) Sonatype Nexus
6 13 (2.23%) Subversion
7 12 (2.06%) TeamCity
8 10 (1.72%) Visual Studio Team System
8 10 (1.72%) webpack
9 9 (1.55%) Selenium
10 8 (1.37%) Cucumber
10 8 (1.37%) Mocha
10 8 (1.37%) SpecFlow
10 8 (1.37%) Visual Studio
10 8 (1.37%) WebDriver
11 7 (1.20%) SQL Server Management Studio (SSMS)
11 7 (1.20%) TestNG
12 6 (1.03%) CircleCI
12 6 (1.03%) Gradle
General
1 146 (25.09%) Finance
2 72 (12.37%) Banking
3 46 (7.90%) Front Office
4 30 (5.15%) Manufacturing
5 25 (4.30%) Investment Banking
6 22 (3.78%) Pharmaceutical
7 20 (3.44%) Public Sector
8 15 (2.58%) Telecoms
9 12 (2.06%) Retail
10 10 (1.72%) Marketing
11 9 (1.55%) Games
12 7 (1.20%) Publishing
13 6 (1.03%) Electronics
13 6 (1.03%) Legal
14 5 (0.86%) Billing
14 5 (0.86%) General Ledger
14 5 (0.86%) Law
15 4 (0.69%) Financial Institution
15 4 (0.69%) Local Government
16 2 (0.34%) Military
Job Titles
1 254 (43.64%) Developer
2 96 (16.49%) Java Developer
3 75 (12.89%) Analyst
4 66 (11.34%) Senior Developer
5 65 (11.17%) Data Engineer
6 41 (7.04%) Architect
7 39 (6.70%) Senior Java Developer
8 38 (6.53%) Data Analyst
9 30 (5.15%) Consultant
10 28 (4.81%) JavaScript Developer
11 27 (4.64%) Data Architect
12 21 (3.61%) Software Engineer
13 19 (3.26%) Functional Consultant
14 17 (2.92%) Investment Banking Java Developer
14 17 (2.92%) Python Developer
14 17 (2.92%) React Developer
15 16 (2.75%) SQL Developer
16 15 (2.58%) Data Manager
17 14 (2.41%) .NET Developer
17 14 (2.41%) Business Analyst
Libraries, Frameworks & Software Standards
1 54 (9.28%) HTML
1 54 (9.28%) Web Services
2 47 (8.08%) CSS
2 47 (8.08%) REST
3 44 (7.56%) Kafka
3 44 (7.56%) XML
4 40 (6.87%) Node.js
5 39 (6.70%) .NET
6 38 (6.53%) HTML5
7 34 (5.84%) Spring
8 25 (4.30%) AngularJS
9 23 (3.95%) React
10 21 (3.61%) Spring Boot
11 20 (3.44%) SOAP
12 19 (3.26%) Redux
13 18 (3.09%) JSON
14 17 (2.92%) FIX Protocol
15 16 (2.75%) RESTful
16 15 (2.58%) D3.js
16 15 (2.58%) NumPy
Miscellaneous
1 163 (28.01%) Algorithms
2 113 (19.42%) Analytical Skills
3 41 (7.04%) Equities
4 39 (6.70%) User Experience
5 25 (4.30%) Derivative
6 20 (3.44%) Foreign Exchange (FX)
7 19 (3.26%) Greenfield Project
8 18 (3.09%) Self-Motivation
9 16 (2.75%) Life Science
9 16 (2.75%) Management Information System
10 14 (2.41%) LIMS
10 14 (2.41%) Linux Command Line
11 13 (2.23%) Fixed Income
12 9 (1.55%) Data Protection Act
12 9 (1.55%) Video on Demand
12 9 (1.55%) Video\Live Streaming
13 8 (1.37%) CMDB
13 8 (1.37%) Grid Computing
14 7 (1.20%) Cloud Native
14 7 (1.20%) Hedge funds
Operating Systems
1 91 (15.64%) Linux
2 33 (5.67%) Unix
3 26 (4.47%) Windows
4 8 (1.37%) Android
4 8 (1.37%) Apple iOS
4 8 (1.37%) Oracle Linux
5 5 (0.86%) Red Hat Enterprise Linux
6 4 (0.69%) CentOS
7 1 (0.17%) Ubuntu
7 1 (0.17%) Windows Server
7 1 (0.17%) Windows Server 2008
7 1 (0.17%) Windows Server 2012
Processes & Methodologies
1 205 (35.22%) Agile Software Development
2 136 (23.37%) OO
3 118 (20.27%) Analytics
4 117 (20.10%) Data Modelling
5 103 (17.70%) Business Intelligence
5 103 (17.70%) Problem-Solving
6 97 (16.67%) ETL
7 87 (14.95%) Computer Science
8 84 (14.43%) DevOps
9 83 (14.26%) Test Automation
10 69 (11.86%) TDD
11 66 (11.34%) Data Science
12 61 (10.48%) Software Engineering
13 60 (10.31%) Data Analysis
14 59 (10.14%) Continuous Integration
15 55 (9.45%) Multithreading
16 50 (8.59%) Visualisation
17 48 (8.25%) Scrum
18 47 (8.08%) Migration
19 46 (7.90%) Machine Learning
Programming Languages
1 224 (38.49%) SQL
2 185 (31.79%) Java
3 128 (21.99%) JavaScript
4 124 (21.31%) Python
5 59 (10.14%) C++
6 47 (8.08%) C#
7 42 (7.22%) Scala
8 35 (6.01%) Java 8
9 25 (4.30%) TypeScript
10 24 (4.12%) Go
11 22 (3.78%) R
12 18 (3.09%) Kotlin
12 18 (3.09%) PL/SQL
13 17 (2.92%) T-SQL
14 11 (1.89%) C
14 11 (1.89%) ES6
15 10 (1.72%) PowerShell
16 9 (1.55%) Clojure
17 8 (1.37%) Haskell
17 8 (1.37%) VBA
Qualifications
1 93 (15.98%) Degree
2 57 (9.79%) Security Cleared
3 52 (8.93%) SC Cleared
4 35 (6.01%) Computer Science Degree
5 9 (1.55%) PhD
6 8 (1.37%) TOGAF Certification
7 7 (1.20%) ISEB
7 7 (1.20%) Numerate Degree
8 6 (1.03%) HNC
9 5 (0.86%) BPSS Clearance
9 5 (0.86%) ISTQB
9 5 (0.86%) Master's Degree
10 3 (0.52%) DV Cleared
11 2 (0.34%) ISEB Practitioner
12 1 (0.17%) HND
12 1 (0.17%) ITIL Certification
12 1 (0.17%) PMI Certification
12 1 (0.17%) PMP
Quality Assurance & Compliance
1 23 (3.95%) Data Quality
2 17 (2.92%) GDPR
3 16 (2.75%) QA
4 6 (1.03%) Sarbanes-Oxley
5 3 (0.52%) Disclosure Scotland
6 2 (0.34%) Dublin Core
7 1 (0.17%) EMIR
7 1 (0.17%) GAAP
7 1 (0.17%) IFRS
7 1 (0.17%) MiFID
7 1 (0.17%) PMO
7 1 (0.17%) SLA
System Software
1 58 (9.97%) Docker
2 4 (0.69%) HDFS
3 3 (0.52%) Oracle RAC
4 1 (0.17%) Virtual Machines
4 1 (0.17%) VirtualBox
Systems Management
1 34 (5.84%) Kubernetes
2 24 (4.12%) Terraform
3 10 (1.72%) Ansible
4 3 (0.52%) Data Guard
4 3 (0.52%) Puppet
5 2 (0.34%) EMC NetWorker
5 2 (0.34%) Grafana
5 2 (0.34%) Kibana
5 2 (0.34%) Opscode Chef
5 2 (0.34%) Oracle RMAN
5 2 (0.34%) Packer
5 2 (0.34%) Single Sign-On
5 2 (0.34%) Tivoli Storage Manager
6 1 (0.17%) HAProxy
6 1 (0.17%) Prometheus
Vendors
1 92 (15.81%) Oracle
2 69 (11.86%) Microsoft
3 49 (8.42%) SAP
4 31 (5.33%) Google
5 21 (3.61%) Tableau
6 20 (3.44%) Talend
7 17 (2.92%) LabWare
8 13 (2.23%) Solace
9 12 (2.06%) hybris
9 12 (2.06%) Informatica
10 9 (1.55%) Siemens
11 8 (1.37%) ComArch
11 8 (1.37%) Cypress Semiconductor
11 8 (1.37%) MicroStrategy
11 8 (1.37%) Remedy
11 8 (1.37%) TIBCO
12 6 (1.03%) Ab Initio
12 6 (1.03%) Teradata
13 5 (0.86%) Cognos
13 5 (0.86%) Minitab