Period
to 19 May 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 May 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 May 2019
Same period 2018 Same period 2017
Rank 293 358 344
Rank change year-on-year +65 -14 +57
Contract jobs citing Data Structures 761 658 593
As % of all contract IT jobs advertised in England 0.91% 0.71% 0.71%
As % of the Miscellaneous category 2.74% 2.12% 2.12%
Number of daily rates quoted 508 418 418
England median daily rate £513 £510 £450
Median daily rate % change year-on-year +0.49% +13.33% -4.76%
10th Percentile £363 £350 £313
90th Percentile £713 £650 £650
UK median daily rate £500 £500 £450
% change year-on-year - +11.11% -
Number of hourly rates quoted 5 13 3
England median hourly rate £47.50 £70.00 £30.00
Median hourly rate % change year-on-year -32.14% +133.33% -14.29%
10th Percentile £15.55 £19.40 £23.00
90th Percentile £62.75 £80.73 £33.00
UK median hourly rate £47.50 £70.00 £31.25
% change year-on-year -32.14% +124.00% -10.71%

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 27,768 31,064 27,916
As % of all contract IT jobs advertised in England 33.36% 33.44% 33.24%
Number of daily rates quoted 18,246 20,531 18,172
England median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £300 £275 £263
90th Percentile £675 £663 £638
UK median daily rate £475 £451 £438
% change year-on-year +5.44% +2.97% +2.94%
Number of hourly rates quoted 896 963 989
England median hourly rate £21.00 £21.90 £19.50
Median hourly rate % change year-on-year -4.11% +12.31% -7.14%
10th Percentile £11.85 £11.45 £11.25
90th Percentile £51.34 £52.50 £50.00
UK median hourly rate £20.50 £21.77 £19.68
% change year-on-year -5.81% +10.58% -6.27%

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 May 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 May 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 May 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 +72 492 £550 - 70
South East +51 112 £475 +4.11% 13
North of England +7 48 £425 +6.25% 2
Midlands +15 43 £413 +10.00% 1
East of England +13 42 £450 -12.20% 9
Yorkshire +17 29 £425 +6.25% 1
West Midlands +16 26 £419 +11.67% 1
South West -25 26 £494 +16.18% 2
East Midlands +8 15 £400 +3.23%
North West 0 12 £369 -7.81% 1
North East - 7 £450 -
Data Structures
UK

For the 6 months to 19 May 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.

1 329 (43.23%) Agile Software Development
2 250 (32.85%) SQL
3 245 (32.19%) Algorithms
4 214 (28.12%) Java
5 200 (26.28%) Finance
6 168 (22.08%) Data Modelling
7 162 (21.29%) Python
8 153 (20.11%) JavaScript
9 137 (18.00%) OO
10 133 (17.48%) Computer Science
11 132 (17.35%) Problem-Solving
12 128 (16.82%) Amazon AWS
13 117 (15.37%) REST
13 117 (15.37%) Analytical Skills
14 114 (14.98%) ETL
15 110 (14.45%) Migration
16 109 (14.32%) Analytics
17 104 (13.67%) Git (software)
18 103 (13.53%) SQL Server
19 100 (13.14%) Degree
20 99 (13.01%) Oracle
20 99 (13.01%) Big Data
21 95 (12.48%) Linux
22 91 (11.96%) Relational Database
23 90 (11.83%) Data Warehouse
24 88 (11.56%) NoSQL
24 88 (11.56%) Microservices
25 85 (11.17%) TDD
26 84 (11.04%) Continuous Integration
27 83 (10.91%) HTML

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 65 (8.54%) Apache Spark
2 33 (4.34%) Apache
3 17 (2.23%) Confluence
4 11 (1.45%) IPython
5 8 (1.05%) CMS
5 8 (1.05%) SAS
6 7 (0.92%) SharePoint
6 7 (0.92%) WebLogic
7 6 (0.79%) Apache Solr
7 6 (0.79%) Elasticsearch
8 5 (0.66%) Tomcat
9 4 (0.53%) IBM HTTP Server
9 4 (0.53%) Magnolia
9 4 (0.53%) OpenStack
10 3 (0.39%) Apache Pig
10 3 (0.39%) WebSphere
11 2 (0.26%) JBoss
11 2 (0.26%) Jupyter
11 2 (0.26%) nginx
11 2 (0.26%) Oracle SOA Suite
Applications
1 39 (5.12%) Microsoft Excel
2 10 (1.31%) Microsoft PowerPoint
3 5 (0.66%) Microsoft Office
4 3 (0.39%) Spreadsheet
5 2 (0.26%) MS Visio
6 1 (0.13%) Chatbot
6 1 (0.13%) Fireworks
6 1 (0.13%) Photoshop
Business Applications
1 13 (1.71%) SAP S/4HANA
2 8 (1.05%) Dynamics AX
2 8 (1.05%) Oracle Financials
3 7 (0.92%) NetSuite
4 6 (0.79%) SAP BPC
4 6 (0.79%) SAP FI
5 4 (0.53%) SAP CO
5 4 (0.53%) SAP FI/CO
5 4 (0.53%) SAP Retail
6 3 (0.39%) Dynamics CRM
7 2 (0.26%) ResourceLink
7 2 (0.26%) Teamcenter
8 1 (0.13%) Cognos TM1
8 1 (0.13%) Dynamics NAV
8 1 (0.13%) Oracle EBS
8 1 (0.13%) Oracle Payroll
8 1 (0.13%) SAP EWM
8 1 (0.13%) SAP Oil and Gas
8 1 (0.13%) SAP PM
8 1 (0.13%) SAP WM
Cloud Services
1 128 (16.82%) Amazon AWS
2 78 (10.25%) Microsoft Azure
3 48 (6.31%) Amazon S3
4 46 (6.04%) Google Cloud Platform
5 42 (5.52%) Power Platform
6 30 (3.94%) GitHub
7 27 (3.55%) Amazon SQS
8 26 (3.42%) Amazon EC2
9 23 (3.02%) SaaS
10 19 (2.50%) AWS CloudFormation
10 19 (2.50%) PaaS
11 17 (2.23%) Amazon CloudWatch
12 16 (2.10%) Amazon Glacier
12 16 (2.10%) AWS CloudTrail
12 16 (2.10%) Virtual Private Cloud
13 14 (1.84%) Amazon EMR
14 12 (1.58%) Dynamics 365
15 11 (1.45%) Heroku
16 10 (1.31%) Amazon SageMaker
16 10 (1.31%) IaaS
Communications & Networking
1 11 (1.45%) HTTP
2 7 (0.92%) VoIP
3 1 (0.13%) BIG-IP
3 1 (0.13%) Bluetooth
3 1 (0.13%) DNS
3 1 (0.13%) Firewall
3 1 (0.13%) FTP
3 1 (0.13%) HTTPS
3 1 (0.13%) Internet
3 1 (0.13%) Intranet
3 1 (0.13%) NetScaler
3 1 (0.13%) Reverse Proxy
3 1 (0.13%) RFID
3 1 (0.13%) SSH
3 1 (0.13%) TCP/IP
Database & Business Intelligence
1 103 (13.53%) SQL Server
2 99 (13.01%) Big Data
3 91 (11.96%) Relational Database
4 90 (11.83%) Data Warehouse
5 88 (11.56%) NoSQL
6 49 (6.44%) Hadoop
7 45 (5.91%) MySQL
8 42 (5.52%) Power BI
9 33 (4.34%) Apache Hive
10 32 (4.20%) MongoDB
11 31 (4.07%) Apache Cassandra
12 29 (3.81%) Amazon RDS
13 28 (3.68%) PostgreSQL
14 27 (3.55%) Data Lake
15 24 (3.15%) BusinessObjects
16 22 (2.89%) Amazon Redshift
17 20 (2.63%) RDBMS
18 18 (2.37%) SQL Server Integration Services
19 16 (2.10%) Redis
20 15 (1.97%) Amazon Aurora
Development Applications
1 104 (13.67%) Git (software)
2 65 (8.54%) Jenkins
3 33 (4.34%) JUnit
4 24 (3.15%) JIRA
5 21 (2.76%) Maven
5 21 (2.76%) Subversion
6 17 (2.23%) Visual Studio
7 15 (1.97%) webpack
8 10 (1.31%) Sonatype Nexus
9 9 (1.18%) Mockito
9 9 (1.18%) PostCSS
10 8 (1.05%) Visual Studio Code
11 7 (0.92%) Selenium
12 6 (0.79%) Artifactory
12 6 (0.79%) Cucumber
12 6 (0.79%) ERwin
13 5 (0.66%) Bitbucket
13 5 (0.66%) Gerrit
13 5 (0.66%) Gradle
13 5 (0.66%) SQL Server Management Studio (SSMS)
General
1 200 (26.28%) Finance
2 66 (8.67%) Banking
3 37 (4.86%) Front Office
3 37 (4.86%) Marketing
4 24 (3.15%) Retail
5 20 (2.63%) Financial Institution
6 19 (2.50%) Investment Banking
7 16 (2.10%) Manufacturing
8 15 (1.97%) Electronics
8 15 (1.97%) Telecoms
9 7 (0.92%) Games
9 7 (0.92%) Legal
10 4 (0.53%) Aerospace
10 4 (0.53%) Back Office
11 3 (0.39%) Military
12 2 (0.26%) Pharmaceutical
12 2 (0.26%) Retail Banking
13 1 (0.13%) Arabic Language
13 1 (0.13%) Billing
13 1 (0.13%) Danish Language
Job Titles
1 374 (49.15%) Developer
2 126 (16.56%) Java Developer
3 112 (14.72%) Analyst
4 78 (10.25%) Architect
5 46 (6.04%) Business Analyst
6 45 (5.91%) Data Engineer
7 43 (5.65%) Data Architect
8 42 (5.52%) Senior Developer
9 39 (5.12%) Python Developer
10 35 (4.60%) Consultant
10 35 (4.60%) Data Analyst
11 31 (4.07%) SQL Developer
12 29 (3.81%) React Developer
13 27 (3.55%) C# Developer
14 24 (3.15%) Software Developer
15 23 (3.02%) Hybris Developer
16 22 (2.89%) .NET Developer
16 22 (2.89%) Senior Java Developer
17 20 (2.63%) JavaScript Developer
17 20 (2.63%) Software Engineer
Libraries, Frameworks & Software Standards
1 117 (15.37%) REST
2 83 (10.91%) HTML
3 81 (10.64%) Spring
4 79 (10.38%) Kafka
5 77 (10.12%) React
6 69 (9.07%) Node.js
6 69 (9.07%) SOAP
6 69 (9.07%) Web Services
7 67 (8.80%) JSON
8 66 (8.67%) CSS
9 56 (7.36%) RESTful
10 53 (6.96%) HTML5
11 46 (6.04%) XML
12 41 (5.39%) .NET
13 40 (5.26%) AngularJS
14 38 (4.99%) Middleware
15 31 (4.07%) RabbitMQ
15 31 (4.07%) Redux
16 28 (3.68%) Spring Boot
17 26 (3.42%) Apache NiFi
Miscellaneous
1 245 (32.19%) Algorithms
2 117 (15.37%) Analytical Skills
3 59 (7.75%) User Experience
4 27 (3.55%) Fintech
4 27 (3.55%) Hedge funds
5 25 (3.29%) Greenfield Project
6 24 (3.15%) Management Information System
7 23 (3.02%) Client/Server
8 22 (2.89%) Fixed Income
9 15 (1.97%) Self-Motivation
10 14 (1.84%) Foreign Exchange (FX)
11 13 (1.71%) Equities
12 11 (1.45%) Public Cloud
13 10 (1.31%) Derivative
13 10 (1.31%) Mainframe
14 9 (1.18%) Data Centre
15 8 (1.05%) Analytical Mindset
15 8 (1.05%) Credit Risk
15 8 (1.05%) Linux Command Line
16 7 (0.92%) Reference Data
Operating Systems
1 95 (12.48%) Linux
2 33 (4.34%) Windows
3 23 (3.02%) Unix
4 8 (1.05%) Android
5 3 (0.39%) Apple iOS
6 1 (0.13%) Red Hat Enterprise Linux
6 1 (0.13%) Windows Server
Processes & Methodologies
1 329 (43.23%) Agile Software Development
2 168 (22.08%) Data Modelling
3 137 (18.00%) OO
4 133 (17.48%) Computer Science
5 132 (17.35%) Problem-Solving
6 114 (14.98%) ETL
7 110 (14.45%) Migration
8 109 (14.32%) Analytics
9 88 (11.56%) Microservices
10 85 (11.17%) TDD
11 84 (11.04%) Continuous Integration
12 83 (10.91%) Business Intelligence
13 75 (9.86%) Scrum
14 72 (9.46%) Software Engineering
15 71 (9.33%) Test Automation
16 69 (9.07%) Data Analysis
17 67 (8.80%) Multithreading
18 66 (8.67%) Data Migration
18 66 (8.67%) DevOps
19 59 (7.75%) Machine Learning
Programming Languages
1 250 (32.85%) SQL
2 214 (28.12%) Java
3 162 (21.29%) Python
4 153 (20.11%) JavaScript
5 77 (10.12%) Scala
6 62 (8.15%) C++
7 61 (8.02%) C#
8 52 (6.83%) Java 8
9 46 (6.04%) TypeScript
10 38 (4.99%) Bash Shell
11 29 (3.81%) ES6
12 27 (3.55%) R
13 21 (2.76%) T-SQL
14 18 (2.37%) C
14 18 (2.37%) Clojure
15 17 (2.23%) Groovy
16 15 (1.97%) Go
17 11 (1.45%) Cython
18 10 (1.31%) Perl
18 10 (1.31%) VBA
Qualifications
1 100 (13.14%) Degree
2 77 (10.12%) Security Cleared
3 59 (7.75%) SC Cleared
4 36 (4.73%) Computer Science Degree
5 14 (1.84%) DV Cleared
5 14 (1.84%) PhD
6 11 (1.45%) CTC Cleared
7 10 (1.31%) ACCA
8 6 (0.79%) ISEB
8 6 (0.79%) Master's Degree
9 4 (0.53%) ITIL Certification
10 3 (0.39%) BPSS Clearance
11 2 (0.26%) BC Cleared
11 2 (0.26%) DBS Check
11 2 (0.26%) MBA
11 2 (0.26%) Numerate Degree
12 1 (0.13%) CBAP
12 1 (0.13%) PMP
Quality Assurance & Compliance
1 68 (8.94%) QA
2 60 (7.88%) Data Quality
3 5 (0.66%) Dublin Core
3 5 (0.66%) GDPR
4 4 (0.53%) SEPA
5 2 (0.26%) HL7
5 2 (0.26%) IFRS
5 2 (0.26%) MiFID
5 2 (0.26%) SLA
6 1 (0.13%) Disclosure Scotland
6 1 (0.13%) IFRS 9
6 1 (0.13%) PCI DSS
System Software
1 66 (8.67%) Docker
2 11 (1.45%) HDFS
3 4 (0.53%) Apache Flume
4 3 (0.39%) Firmware
5 2 (0.26%) Apache ZooKeeper
5 2 (0.26%) etcd
6 1 (0.13%) Active Directory
6 1 (0.13%) KVM
6 1 (0.13%) LXC
6 1 (0.13%) Oracle RAC
6 1 (0.13%) Virtual Machines
Systems Management
1 57 (7.49%) Kubernetes
2 29 (3.81%) Ansible
3 13 (1.71%) Kibana
4 9 (1.18%) Grafana
5 6 (0.79%) Opscode Chef
5 6 (0.79%) Puppet
6 5 (0.66%) Hadoop YARN
7 4 (0.53%) Control-M
8 3 (0.39%) Terraform
9 2 (0.26%) Consul
10 1 (0.13%) Data Guard
10 1 (0.13%) Oracle Identity Manager
10 1 (0.13%) Single Sign-On
Vendors
1 99 (13.01%) Oracle
2 55 (7.23%) Microsoft
2 55 (7.23%) SAP
3 27 (3.55%) Google
4 25 (3.29%) Tableau
5 24 (3.15%) hybris
6 21 (2.76%) Salesforce.com
7 13 (1.71%) Informatica
8 12 (1.58%) IBM
9 11 (1.45%) Atlassian
9 11 (1.45%) Talend
10 9 (1.18%) Twitter
11 8 (1.05%) Sybase
11 8 (1.05%) Xerox
12 7 (0.92%) MuleSoft
13 6 (0.79%) Cloudera
14 5 (0.66%) Adobe
14 5 (0.66%) Salesforce Marketing Cloud
15 4 (0.53%) BMC
15 4 (0.53%) CODA