Period
to 20 February 2018

The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 20 February 2018 with a comparison to the same period in 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.

Test-Driven Development (TDD)
England > South East
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 30 43 53
Rank change year-on-year +13 +10 +5
Contract jobs citing TDD 995 632 611
As % of all contract IT jobs advertised in the South East 5.91% 4.11% 3.35%
As % of the Processes & Methodologies category 7.11% 5.01% 4.12%
Number of daily rates quoted 659 447 490
South East median daily rate £425 £433 £389
Median daily rate % change year-on-year -1.73% +11.25% +3.67%
10th Percentile £326 £319 £312
90th Percentile £575 £588 £538
England median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
Number of hourly rates quoted 19 1 3
South East median hourly rate £45.00 £36.50 £50.00
Median hourly rate % change year-on-year +23.29% -27.00% +25.00%
10th Percentile £8.00 £35.75 £46.90
90th Percentile £48.75 £37.25 £160.50
England median hourly rate £45.00 £42.50 £40.00
% change year-on-year +5.88% +6.25% +8.84%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for process or methodology skills.

All Process and Methodology Skills
South East
Contract vacancies with a requirement for process or methodology skills 13,987 12,610 14,820
As % of all contract IT jobs advertised in the South East 83.15% 81.93% 81.21%
Number of daily rates quoted 8,400 7,482 8,854
South East median daily rate £425 £413 £400
Median daily rate % change year-on-year +3.03% +3.13% +6.67%
10th Percentile £275 £250 £255
90th Percentile £588 £574 £538
England median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +4.29%
Number of hourly rates quoted 428 512 614
South East median hourly rate £25.00 £25.00 £30.13
Median hourly rate % change year-on-year - -17.01% +50.63%
10th Percentile £11.25 £11.06 £11.68
90th Percentile £50.75 £50.00 £52.93
England median hourly rate £24.09 £25.00 £23.50
% change year-on-year -3.64% +6.38% +17.50%

TDD
Job Vacancy Trend in the South East

Job postings citing TDD as a percentage of all IT jobs advertised in the South East.

Job vacancy trend for TDD in the South East

TDD
Contractor Daily Rate Trend in the South East

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the South East.

Contractor daily rate trend for TDD in the South East

TDD
Contractor Daily Rate Histogram in the South East

The daily rate distribution of IT jobs citing TDD in the South East over the 6 months to 20 February 2018.

Contractor daily rate histogram for TDD in the South East

TDD
Contractor Hourly Rate Trend in the South East

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the South East.

Contractor hourly rate trend for TDD in the South East

TDD
Contractor Hourly Rate Histogram in the South East

The hourly rate distribution of IT jobs citing TDD in the South East over the 6 months to 20 February 2018.

Contractor hourly rate histogram for TDD in the South East

TDD
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South East region over the 6 months to 20 February 2018. 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
Thames Valley +15 512 £425 -1.85% 147
Buckinghamshire +34 203 £431 +11.29% 29
Berkshire +4 185 £390 -5.45% 65
Surrey +1 152 £475 +16.21% 55
Hampshire +21 129 £438 -12.50% 71
Oxfordshire +3 124 £500 +2.56% 53
Kent 0 79 £350 -6.67% 18
West Sussex +9 56 £400 -15.34% 37
East Sussex +4 37 £340 -13.92% 17
Middlesex +9 24 £410 +17.99% 1
Sussex - 4 £525 -
TDD
England

For the 6 months to 20 February 2018, IT contractor jobs citing TDD 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 South East region with a requirement for TDD.

1 740 (74.37%) Agile Software Development
2 381 (38.29%) Java
3 380 (38.19%) JavaScript
4 351 (35.28%) BDD
5 336 (33.77%) Scrum
6 334 (33.57%) Continuous Integration
7 321 (32.26%) AngularJS
8 287 (28.84%) HTML
9 285 (28.64%) CSS
10 278 (27.94%) C#
11 253 (25.43%) .NET
12 244 (24.52%) Git (software)
13 233 (23.42%) Test Automation
14 217 (21.81%) REST
15 213 (21.41%) Spring
16 210 (21.11%) MVC
17 200 (20.10%) Jenkins
18 192 (19.30%) SQL Server
19 187 (18.79%) Web Services
19 187 (18.79%) Unit Testing
20 164 (16.48%) SQL
21 162 (16.28%) Amazon AWS
22 146 (14.67%) Linux
23 145 (14.57%) Finance
24 143 (14.37%) RESTful
25 141 (14.17%) Node.js
26 139 (13.97%) HTML5
26 139 (13.97%) ASP.NET Web API
27 137 (13.77%) Kanban
28 136 (13.67%) React

TDD
Co-occurring IT Skills in the South East 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 62 (6.23%) Apache Spark
2 58 (5.83%) Apache
3 45 (4.52%) Cloud Foundry
3 45 (4.52%) Confluence
4 24 (2.41%) IIS
5 20 (2.01%) CMS
6 18 (1.81%) JBoss
7 17 (1.71%) BizTalk Server
7 17 (1.71%) Tomcat
8 12 (1.21%) GemFire
9 11 (1.11%) Drupal
10 10 (1.01%) Elasticsearch
11 9 (0.90%) Apache Solr
11 9 (0.90%) EPiServer
11 9 (0.90%) NServiceBus
11 9 (0.90%) SharePoint
12 8 (0.80%) LiveCycle
13 7 (0.70%) IBM Domino
13 7 (0.70%) Sitecore CMS
14 6 (0.60%) Oracle SOA Suite
Applications
1 6 (0.60%) Microsoft Office
1 6 (0.60%) MS Visio
2 2 (0.20%) Microsoft Project
Business Applications
1 11 (1.11%) Magento
2 4 (0.40%) Dynamics CRM
3 2 (0.20%) SAP Hybris
4 1 (0.10%) Payment Gateway
4 1 (0.10%) Summit
Cloud Services
1 162 (16.28%) Amazon AWS
2 103 (10.35%) Microsoft Azure
3 51 (5.13%) GitHub
4 49 (4.92%) npm
5 40 (4.02%) PaaS
6 29 (2.91%) OpenShift
7 25 (2.51%) Serverless
8 23 (2.31%) Google Cloud Platform
9 16 (1.61%) IaaS
10 12 (1.21%) AWS Lambda
11 10 (1.01%) Yarn
12 9 (0.90%) Amazon S3
12 9 (0.90%) SaaS
13 8 (0.80%) Amazon EC2
13 8 (0.80%) Amazon SQS
14 6 (0.60%) Amazon CloudWatch
14 6 (0.60%) Amazon ElastiCache
14 6 (0.60%) CloudFront
14 6 (0.60%) Sauce Labs
15 5 (0.50%) Firebase
Communications & Networking
1 21 (2.11%) HTTP
2 16 (1.61%) Internet
3 14 (1.41%) TCP/IP
4 10 (1.01%) Firewall
5 6 (0.60%) SMS
6 3 (0.30%) Intranet
6 3 (0.30%) SSL
7 2 (0.20%) Value-Added Service
7 2 (0.20%) Wireless
8 1 (0.10%) DNS
8 1 (0.10%) DVB
8 1 (0.10%) FTP
Database & Business Intelligence
1 192 (19.30%) SQL Server
2 94 (9.45%) Big Data
3 85 (8.54%) Hadoop
4 64 (6.43%) NoSQL
5 55 (5.53%) MongoDB
6 48 (4.82%) MySQL
7 39 (3.92%) HBase
8 36 (3.62%) Relational Database
9 25 (2.51%) Apache Cassandra
9 25 (2.51%) Parquet
10 24 (2.41%) PostgreSQL
11 18 (1.81%) SQL Server 2012
12 17 (1.71%) DB2
13 14 (1.41%) Redis
14 12 (1.21%) RDBMS
15 11 (1.11%) Amazon DynamoDB
15 11 (1.11%) SQL Server Integration Services
16 8 (0.80%) Apache Hive
16 8 (0.80%) OLTP
16 8 (0.80%) SQL Server Reporting Services
Development Applications
1 244 (24.52%) Git (software)
2 200 (20.10%) Jenkins
3 94 (9.45%) JIRA
4 70 (7.04%) Maven
5 69 (6.93%) JUnit
6 63 (6.33%) Selenium
7 60 (6.03%) Team Foundation Server
8 58 (5.83%) webpack
9 56 (5.63%) gulp
10 52 (5.23%) Karma Test Runner
11 49 (4.92%) Jasmine
12 48 (4.82%) Cucumber
13 47 (4.72%) Gradle
14 39 (3.92%) Protractor
15 37 (3.72%) Mocha
15 37 (3.72%) Mockito
16 33 (3.32%) Grunt
17 32 (3.22%) ReSharper
17 32 (3.22%) Visual Studio
18 31 (3.12%) IntelliJ
General
1 145 (14.57%) Finance
2 96 (9.65%) Banking
3 22 (2.21%) Telecoms
4 19 (1.91%) Retail Banking
5 18 (1.81%) Retail
6 16 (1.61%) Publishing
7 10 (1.01%) Automotive
8 9 (0.90%) Games
9 8 (0.80%) Manufacturing
10 7 (0.70%) Marketing
11 5 (0.50%) Advertising
11 5 (0.50%) Corporate Banking
12 4 (0.40%) Electronics
12 4 (0.40%) Financial Institution
12 4 (0.40%) Investment Banking
13 3 (0.30%) Hindi Language
13 3 (0.30%) Japanese Language
14 2 (0.20%) Back Office
14 2 (0.20%) Legal
14 2 (0.20%) Spanish Language
Job Titles
1 758 (76.18%) Developer
2 242 (24.32%) Java Developer
3 176 (17.69%) .NET Developer
4 110 (11.06%) C# Developer
5 93 (9.35%) Senior Developer
6 85 (8.54%) Full Stack Developer
7 79 (7.94%) C# .NET Developer
8 72 (7.24%) JavaScript Developer
9 59 (5.93%) Agile Developer
10 55 (5.53%) Front End Developer (Client-Side Developer)
11 53 (5.33%) Angular Developer
12 47 (4.72%) SQL Developer
13 43 (4.32%) Big Data Developer
14 42 (4.22%) Architect
14 42 (4.22%) Node.js Developer
14 42 (4.22%) React Developer
15 35 (3.52%) Software Developer
16 32 (3.22%) Lead Developer
17 31 (3.12%) Senior .NET Developer
18 30 (3.02%) Tester
Libraries, Frameworks & Software Standards
1 321 (32.26%) AngularJS
2 287 (28.84%) HTML
3 285 (28.64%) CSS
4 253 (25.43%) .NET
5 217 (21.81%) REST
6 213 (21.41%) Spring
7 187 (18.79%) Web Services
8 143 (14.37%) RESTful
9 141 (14.17%) Node.js
10 139 (13.97%) ASP.NET Web API
10 139 (13.97%) HTML5
11 136 (13.67%) React
12 124 (12.46%) ASP.NET
13 117 (11.76%) JSON
14 111 (11.16%) Spring Boot
15 93 (9.35%) .NET Framework
16 92 (9.25%) ASP.NET MVC
17 89 (8.94%) jQuery
18 84 (8.44%) CSS3
19 79 (7.94%) WCF
Miscellaneous
1 54 (5.43%) Computer Science
2 47 (4.72%) N-Tier
3 46 (4.62%) Greenfield Project
4 44 (4.42%) Mobile App
5 36 (3.62%) Linux Command Line
6 34 (3.42%) Virtual Team
7 32 (3.22%) Enterprise Software
8 30 (3.02%) User Experience
9 17 (1.71%) Public Cloud
10 13 (1.31%) NHS
11 11 (1.11%) Cloud Native
11 11 (1.11%) Life Science
12 10 (1.01%) Algorithms
13 9 (0.90%) Fintech
14 8 (0.80%) Analytical Skills
14 8 (0.80%) Data Structures
14 8 (0.80%) Enterprise Cloud
14 8 (0.80%) Replication
15 7 (0.70%) Semantic Web
16 5 (0.50%) Blog
Operating Systems
1 146 (14.67%) Linux
2 68 (6.83%) Windows
3 67 (6.73%) Unix
4 29 (2.91%) Android
5 22 (2.21%) Apple iOS
6 11 (1.11%) Mac OS X
7 9 (0.90%) Red Hat Enterprise Linux
8 8 (0.80%) Windows Server
9 4 (0.40%) Embedded Linux
10 3 (0.30%) CentOS
10 3 (0.30%) HPUX
11 1 (0.10%) Ubuntu
Processes & Methodologies
1 740 (74.37%) Agile Software Development
2 351 (35.28%) BDD
3 336 (33.77%) Scrum
4 334 (33.57%) Continuous Integration
5 233 (23.42%) Test Automation
6 210 (21.11%) MVC
7 187 (18.79%) Unit Testing
8 137 (13.77%) Kanban
9 133 (13.37%) Microservices
10 124 (12.46%) DevOps
11 113 (11.36%) Continuous Delivery
12 96 (9.65%) Software Engineering
13 94 (9.45%) Web Development
14 89 (8.94%) Pair Programming
15 87 (8.74%) Front End Development
16 83 (8.34%) Open Source
17 76 (7.64%) Refactoring
18 70 (7.04%) User Stories
19 66 (6.63%) SDLC
20 65 (6.53%) E-Commerce
Programming Languages
1 381 (38.29%) Java
2 380 (38.19%) JavaScript
3 278 (27.94%) C#
4 164 (16.48%) SQL
5 70 (7.04%) Python
6 65 (6.53%) Ruby
7 53 (5.33%) C++
8 46 (4.62%) Scala
9 44 (4.42%) ES6
9 44 (4.42%) Shell Script
10 42 (4.22%) TypeScript
11 37 (3.72%) PHP
12 29 (2.91%) Go
13 27 (2.71%) ES7
13 27 (2.71%) T-SQL
14 23 (2.31%) VB.NET
15 16 (1.61%) C
15 16 (1.61%) Groovy
16 13 (1.31%) Apple Swift
17 9 (0.90%) CQL
Qualifications
1 89 (8.94%) Degree
2 39 (3.92%) Computer Science Degree
3 10 (1.01%) Security Cleared
4 8 (0.80%) ISTQB
5 6 (0.60%) ISTQB Foundation Certification
6 4 (0.40%) BPSS Clearance
6 4 (0.40%) SC Cleared
7 2 (0.20%) ISEB
7 2 (0.20%) Master's Degree
8 1 (0.10%) BC Cleared
8 1 (0.10%) DV Cleared
8 1 (0.10%) Microsoft Certification
Quality Assurance & Compliance
1 97 (9.75%) QA
2 13 (1.31%) GDPR
2 13 (1.31%) HL7
3 12 (1.21%) GCP
4 10 (1.01%) ISO 9001
4 10 (1.01%) ISO/IEC 27001
5 3 (0.30%) IEC 62304
6 2 (0.20%) Disclosure Scotland
6 2 (0.20%) SLA
6 2 (0.20%) WCAG
7 1 (0.10%) Data Quality
7 1 (0.10%) FATCA
7 1 (0.10%) ISO/IEC 20000
7 1 (0.10%) PCI DSS
7 1 (0.10%) PSD2
System Software
1 82 (8.24%) Docker
2 50 (5.03%) Apache ZooKeeper
3 39 (3.92%) HDFS
4 14 (1.41%) VMware Infrastructure
5 7 (0.70%) Active Directory
6 6 (0.60%) Virtual Machines
7 1 (0.10%) vSphere
Systems Management
1 47 (4.72%) Ansible
2 42 (4.22%) Hadoop YARN
3 31 (3.12%) Opscode Chef
4 28 (2.81%) Puppet
5 17 (1.71%) Terraform
6 9 (0.90%) HP Quality Center
6 9 (0.90%) Mesos
6 9 (0.90%) Opsview
7 4 (0.40%) Kubernetes
8 3 (0.30%) Oozie
9 2 (0.20%) Ambari
10 1 (0.10%) Docker Swarm
10 1 (0.10%) Salt
10 1 (0.10%) Single Sign-On
Vendors
1 94 (9.45%) Oracle
2 84 (8.44%) Microsoft
3 31 (3.12%) Twitter
4 16 (1.61%) Google
4 16 (1.61%) Red Hat
5 15 (1.51%) Adobe
5 15 (1.51%) Cloudera
6 14 (1.41%) VMware
7 12 (1.21%) New Relic
8 11 (1.11%) IBM
8 11 (1.11%) Sitecore
9 10 (1.01%) HP
10 9 (0.90%) SAP
11 8 (0.80%) MuleSoft
12 6 (0.60%) Salesforce.com
13 5 (0.50%) Capita
14 4 (0.40%) CA Agile Central
15 3 (0.30%) Apigee
15 3 (0.30%) WSO2
15 3 (0.30%) Xamarin