Period
to 27 October 2020

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 27 October 2020 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
27 Oct 2020
Same period 2019 Same period 2018
Rank 263 325 357
Rank change year-on-year +62 +32 -51
Contract jobs citing Data Structures 252 583 691
As % of all contract jobs advertised in England 0.91% 0.76% 0.74%
As % of the Miscellaneous category 2.63% 2.41% 2.25%
Number of daily rates quoted 187 404 447
Median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £325 £350 £363
90th Percentile £688 £713 £705
UK median daily rate £500 £525 £500
% change year-on-year -4.76% +5.00% +11.11%
Number of hourly rates quoted 6 14 10
Median hourly rate £35.00 £43.75 £40.85
Median hourly rate % change year-on-year -20.00% +7.11% +16.70%
10th Percentile £27.88 £23.76 £35.38
90th Percentile £61.64 £72.50 £50.00
UK median hourly rate £35.00 £43.75 £40.85
% change year-on-year -20.00% +7.11% +16.70%

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 9,597 24,221 30,663
As % of all contract IT jobs advertised in England 34.60% 31.47% 32.65%
Number of daily rates quoted 6,201 15,590 20,272
Median daily rate £481 £475 £475
Median daily rate % change year-on-year +1.21% - +5.56%
10th Percentile £263 £265 £275
90th Percentile £725 £675 £675
UK median daily rate £475 £475 £475
Number of hourly rates quoted 385 937 948
Median hourly rate £34.13 £21.50 £20.00
Median hourly rate % change year-on-year +58.72% +7.50% +0.91%
10th Percentile £12.66 £11.45 £12.25
90th Percentile £54.60 £53.75 £50.00
Median hourly rate £31.61 £22.00 £20.00
% change year-on-year +43.68% +10.00% -

Data Structures
Job Vacancy Trend in England

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

Job vacancy trend for Data Structures in England

Data Structures
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Data Structures in England.

Daily rate trend for Data Structures in England

Data Structures
Daily Rate Histogram in England

Daily rate distribution for jobs citing Data Structures in England over the 6 months to 27 October 2020.

Daily rate histogram for Data Structures in England

Data Structures
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing Data Structures in England.

Hourly rate trend for Data Structures in England

Data Structures
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing Data Structures in England over the 6 months to 27 October 2020.

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 27 October 2020. 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 +35 144 £550 -4.35% 100
North of England +120 32 £476 +24.72% 24
South East +104 27 £420 -6.67% 15
North West +92 21 £575 +64.29% 9
South West +99 18 £455 -4.21% 3
East of England +70 17 £588 +27.03%
Yorkshire +75 9 £418 +5.70% 10
Midlands +82 7 £315 -30.00% 13
East Midlands +37 4 £315 +8.43% 4
West Midlands +66 3 £538 +13.16% 9
North East +34 2 £500 +53.85% 5
Data Structures
UK

For the 6 months to 27 October 2020, 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.

1 100 (39.68%) Agile Software Development
2 82 (32.54%) SQL
3 81 (32.14%) Java
4 68 (26.98%) Data Modelling
5 64 (25.40%) Python
6 60 (23.81%) Analytics
7 58 (23.02%) Algorithms
8 56 (22.22%) Business Intelligence
9 53 (21.03%) DevOps
10 46 (18.25%) Analytical Skills
11 45 (17.86%) Finance
12 44 (17.46%) Azure
13 43 (17.06%) JavaScript
14 42 (16.67%) Problem-Solving
15 37 (14.68%) Git (software)
16 36 (14.29%) Jenkins
16 36 (14.29%) Microsoft
17 35 (13.89%) OO
17 35 (13.89%) Scrum
18 34 (13.49%) SDLC
19 33 (13.10%) Data Warehouse
20 32 (12.70%) AWS
20 32 (12.70%) Computer Science
20 32 (12.70%) Multithreading
20 32 (12.70%) Power BI
20 32 (12.70%) Power Platform
21 31 (12.30%) Data Analysis
22 30 (11.90%) Web Services
23 29 (11.51%) Linux
23 29 (11.51%) 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 11 (4.37%) Apache Spark
1 11 (4.37%) SharePoint
2 10 (3.97%) Confluence
3 9 (3.57%) WebSphere
4 8 (3.17%) CMS
4 8 (3.17%) WebLogic
5 5 (1.98%) Apache Airflow
6 4 (1.59%) Mule
6 4 (1.59%) Oracle Workflow
6 4 (1.59%) SAS
6 4 (1.59%) Tomcat
7 2 (0.79%) Apache
7 2 (0.79%) IIS
8 1 (0.40%) Elasticsearch
8 1 (0.40%) Jupyter
8 1 (0.40%) Luigi
8 1 (0.40%) OpenStack
8 1 (0.40%) Oracle SOA Suite
Applications
1 17 (6.75%) Microsoft Excel
2 8 (3.17%) Microsoft Office
3 4 (1.59%) MS Visio
4 3 (1.19%) Microsoft PowerPoint
5 2 (0.79%) SPSS
Business Applications
1 5 (1.98%) SAP APO
2 4 (1.59%) Primavera
3 3 (1.19%) Dynamics CRM
4 2 (0.79%) Advent Geneva
4 2 (0.79%) Payment Gateway
4 2 (0.79%) SAP S/4HANA
4 2 (0.79%) SAP SD
5 1 (0.40%) Cognos TM1
5 1 (0.40%) Maximo
5 1 (0.40%) NetSuite
5 1 (0.40%) Oracle EBS
5 1 (0.40%) Salesforce.com CRM
5 1 (0.40%) SAP MM
5 1 (0.40%) Unit4 Business World
Cloud Services
1 44 (17.46%) Azure
2 32 (12.70%) AWS
2 32 (12.70%) Power Platform
3 23 (9.13%) Cloud Computing
4 13 (5.16%) Amazon S3
5 11 (4.37%) Serverless
6 9 (3.57%) Azure Data Factory
7 8 (3.17%) Amazon SQS
8 7 (2.78%) Dynamics 365
8 7 (2.78%) PowerApps
9 6 (2.38%) GitHub
10 5 (1.98%) AWS CloudFormation
11 4 (1.59%) Amazon EC2
11 4 (1.59%) Amazon EMR
11 4 (1.59%) GCP
11 4 (1.59%) Google Play
11 4 (1.59%) npm
12 3 (1.19%) Office 365
12 3 (1.19%) PaaS
12 3 (1.19%) Salesforce Service Cloud
Communications & Networking
1 10 (3.97%) HTTP
2 4 (1.59%) Internet
3 2 (0.79%) Skype
3 2 (0.79%) TCP/IP
3 2 (0.79%) WebEx
4 1 (0.40%) Firewall
4 1 (0.40%) RS-232
Database & Business Intelligence
1 33 (13.10%) Data Warehouse
2 32 (12.70%) Power BI
3 25 (9.92%) Big Data
4 24 (9.52%) Data Lake
5 22 (8.73%) Relational Database
6 20 (7.94%) NoSQL
7 17 (6.75%) Tableau
8 15 (5.95%) SQL Server
9 12 (4.76%) Amazon RDS
10 11 (4.37%) Amazon Redshift
10 11 (4.37%) PostgreSQL
11 10 (3.97%) Amazon Aurora
11 10 (3.97%) Qlik Sense
11 10 (3.97%) SQL Server Integration Services
12 9 (3.57%) Hadoop
12 9 (3.57%) QlikView
12 9 (3.57%) Redis
13 6 (2.38%) Data Mining
13 6 (2.38%) Star Schema
14 5 (1.98%) RDBMS
Development Applications
1 37 (14.68%) Git (software)
2 36 (14.29%) Jenkins
3 16 (6.35%) Maven
4 15 (5.95%) Gradle
5 13 (5.16%) JIRA
5 13 (5.16%) JUnit
6 12 (4.76%) Mockito
7 11 (4.37%) Ant
8 9 (3.57%) JMeter
8 9 (3.57%) Sonatype Nexus
9 7 (2.78%) Selenium
10 6 (2.38%) git-flow
11 5 (1.98%) ER Studio
11 5 (1.98%) ERwin
11 5 (1.98%) SonarQube
11 5 (1.98%) Subversion
12 4 (1.59%) HP UFT
12 4 (1.59%) IntelliJ
12 4 (1.59%) NetBeans
12 4 (1.59%) Visual Studio
General
1 45 (17.86%) Finance
2 29 (11.51%) Banking
3 20 (7.94%) Front Office
4 19 (7.54%) Investment Banking
5 15 (5.95%) Public Sector
6 13 (5.16%) Manufacturing
7 9 (3.57%) Marketing
8 7 (2.78%) Retail
9 6 (2.38%) Telecoms
10 5 (1.98%) Pharmaceutical
11 4 (1.59%) Games
12 3 (1.19%) Financial Institution
12 3 (1.19%) Law
12 3 (1.19%) Publishing
12 3 (1.19%) Retail Banking
13 2 (0.79%) Electronics
14 1 (0.40%) Legal
14 1 (0.40%) Local Government
14 1 (0.40%) Prime Brokerage
Job Titles
1 97 (38.49%) Developer
2 37 (14.68%) Java Developer
3 25 (9.92%) Architect
4 23 (9.13%) Data Architect
5 22 (8.73%) Analyst
6 21 (8.33%) Data Engineer
7 11 (4.37%) Front End Developer (Client-Side Developer)
8 10 (3.97%) Consultant
8 10 (3.97%) Investment Banking Java Developer
9 9 (3.57%) Python Developer
10 8 (3.17%) Azure Engineer
11 7 (2.78%) Administrator
11 7 (2.78%) Business Analyst
11 7 (2.78%) Data Modeller
11 7 (2.78%) Senior Developer
12 6 (2.38%) Systems Analyst
13 5 (1.98%) Business Manager
13 5 (1.98%) DBA
13 5 (1.98%) DevOps Engineer
13 5 (1.98%) SQL DBA
Libraries, Frameworks & Software Standards
1 30 (11.90%) Web Services
2 29 (11.51%) AngularJS
3 27 (10.71%) React
4 23 (9.13%) Spring
5 19 (7.54%) RESTful
5 19 (7.54%) SOAP
6 18 (7.14%) CSS
7 17 (6.75%) HTML
7 17 (6.75%) REST
7 17 (6.75%) XML
8 16 (6.35%) Kafka
9 15 (5.95%) FIX Protocol
9 15 (5.95%) JSON
10 13 (5.16%) J2EE
11 11 (4.37%) .NET
11 11 (4.37%) HTML5
11 11 (4.37%) Node.js
12 9 (3.57%) Twitter Bootstrap
13 8 (3.17%) jQuery
13 8 (3.17%) RxJava
Miscellaneous
1 58 (23.02%) Algorithms
2 46 (18.25%) Analytical Skills
3 18 (7.14%) User Experience
4 17 (6.75%) Foreign Exchange (FX)
5 15 (5.95%) Management Information System
6 11 (4.37%) Enterprise Software
7 8 (3.17%) Mobile App
7 8 (3.17%) Mobile Payment
8 5 (1.98%) Greenfield Project
8 5 (1.98%) NHS
9 4 (1.59%) Blog
9 4 (1.59%) FMCG
9 4 (1.59%) Self-Motivation
10 3 (1.19%) CMDB
10 3 (1.19%) Credit Risk
10 3 (1.19%) Market Risk
10 3 (1.19%) Media Streaming
10 3 (1.19%) Mobile Banking
10 3 (1.19%) Replication
11 2 (0.79%) Derivative
Operating Systems
1 29 (11.51%) Linux
2 7 (2.78%) Unix
3 4 (1.59%) Android
4 3 (1.19%) Windows
5 2 (0.79%) Apple iOS
Processes & Methodologies
1 100 (39.68%) Agile Software Development
2 68 (26.98%) Data Modelling
3 60 (23.81%) Analytics
4 56 (22.22%) Business Intelligence
5 53 (21.03%) DevOps
6 42 (16.67%) Problem-Solving
7 35 (13.89%) OO
7 35 (13.89%) Scrum
8 34 (13.49%) SDLC
9 32 (12.70%) Computer Science
9 32 (12.70%) Multithreading
10 31 (12.30%) Data Analysis
11 29 (11.51%) Data Architecture
12 28 (11.11%) Machine Learning
12 28 (11.11%) Test Automation
13 27 (10.71%) Continuous Integration
14 26 (10.32%) ETL
15 25 (9.92%) Visualisation
16 24 (9.52%) Data Science
16 24 (9.52%) Software Engineering
Programming Languages
1 82 (32.54%) SQL
2 81 (32.14%) Java
3 64 (25.40%) Python
4 43 (17.06%) JavaScript
5 13 (5.16%) C#
5 13 (5.16%) C++
6 12 (4.76%) Kotlin
6 12 (4.76%) Scala
6 12 (4.76%) T-SQL
7 10 (3.97%) R
8 8 (3.17%) TypeScript
9 7 (2.78%) C
10 6 (2.38%) Java 8
11 3 (1.19%) Apex Code
11 3 (1.19%) Apple Swift
11 3 (1.19%) Bash Shell
11 3 (1.19%) Objective-C
11 3 (1.19%) PL/SQL
12 2 (0.79%) Go
12 2 (0.79%) PowerShell
Qualifications
1 19 (7.54%) Degree
2 11 (4.37%) Computer Science Degree
3 9 (3.57%) Security Cleared
4 5 (1.98%) PhD
4 5 (1.98%) SC Cleared
5 3 (1.19%) ISEB
5 3 (1.19%) Numerate Degree
6 2 (0.79%) DV Cleared
7 1 (0.40%) CISM
7 1 (0.40%) Master's Degree
Quality Assurance & Compliance
1 12 (4.76%) Data Quality
2 9 (3.57%) QA
3 1 (0.40%) COBIT
3 1 (0.40%) Cyber Essentials
3 1 (0.40%) Cyber Essentials PLUS
3 1 (0.40%) GDPR
3 1 (0.40%) ISO 9001
3 1 (0.40%) ISO/IEC 27001
3 1 (0.40%) NCSC
System Software
1 20 (7.94%) Docker
2 2 (0.79%) Apache ZooKeeper
2 2 (0.79%) etcd
2 2 (0.79%) Varnish
Systems Management
1 24 (9.52%) Kubernetes
2 11 (4.37%) Terraform
3 7 (2.78%) Opscode Chef
3 7 (2.78%) Puppet
4 4 (1.59%) Ansible
5 2 (0.79%) Consul
6 1 (0.40%) Istio
6 1 (0.40%) Rundeck
6 1 (0.40%) Single Sign-On
Vendors
1 36 (14.29%) Microsoft
2 23 (9.13%) Oracle
3 16 (6.35%) SAP
4 14 (5.56%) Talend
5 8 (3.17%) Google
6 7 (2.78%) Salesforce.com
7 5 (1.98%) Atlassian
8 4 (1.59%) Alteryx
8 4 (1.59%) Apple
8 4 (1.59%) CA Agile Central
8 4 (1.59%) Databricks
8 4 (1.59%) Informatica
8 4 (1.59%) Splunk
9 3 (1.19%) MuleSoft
9 3 (1.19%) ServiceNow
10 2 (0.79%) Advent
10 2 (0.79%) Black Duck
10 2 (0.79%) Bloomberg
10 2 (0.79%) Blue Prism
11 1 (0.40%) Dynatrace