Period
to 21 May 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 21 May 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
21 May 2018
Same period 2017 Same period 2016
Rank 38 40 53
Rank change year-on-year +2 +13 +12
Contract jobs citing TDD 909 717 645
As % of all contract IT jobs advertised in the South East 5.44% 4.70% 3.57%
As % of the Processes & Methodologies category 6.43% 5.65% 4.33%
Number of daily rates quoted 618 507 495
South East median daily rate £450 £413 £400
Median daily rate % change year-on-year +9.09% +3.13% +2.89%
10th Percentile £326 £313 £319
90th Percentile £564 £580 £550
England median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
Number of hourly rates quoted 15 1 11
South East median hourly rate £45.00 £48.50 £43.00
Median hourly rate % change year-on-year -7.22% +12.79% -4.44%
10th Percentile £8.00 £46.75 £37.50
90th Percentile £48.25 £50.25 £50.25
England median hourly rate £45.00 £41.50 £42.50
% change year-on-year +8.43% -2.35% +8.28%

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 14,142 12,695 14,889
As % of all contract IT jobs advertised in the South East 84.58% 83.16% 82.47%
Number of daily rates quoted 8,345 7,354 9,188
South East median daily rate £438 £415 £400
Median daily rate % change year-on-year +5.42% +3.75% +6.67%
10th Percentile £281 £263 £250
90th Percentile £588 £575 £545
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 458 508 560
South East median hourly rate £22.40 £20.75 £23.75
Median hourly rate % change year-on-year +7.95% -12.63% +5.56%
10th Percentile £10.61 £11.25 £11.59
90th Percentile £52.50 £50.88 £52.53
England median hourly rate £22.00 £25.00 £23.20
% change year-on-year -12.00% +7.76% +8.41%

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 21 May 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 21 May 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 21 May 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 0 373 £425 - 129
Surrey +12 247 £475 +11.76% 63
Hampshire +20 184 £464 +1.64% 48
Buckinghamshire +17 167 £450 +13.92% 24
Berkshire -5 145 £375 -9.09% 58
Oxfordshire -30 61 £500 - 47
West Sussex +22 42 £475 +15.15% 22
Kent -10 26 £328 -5.07% 24
Middlesex +8 25 £410 +17.56% 1
East Sussex -10 16 £480 +20.00% 15
Home Counties - 2 - -
Sussex - 1 - -
TDD
England

For the 6 months to 21 May 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.

1 689 (75.80%) Agile Software Development
2 401 (44.11%) Java
3 381 (41.91%) JavaScript
4 363 (39.93%) BDD
5 282 (31.02%) Spring
6 279 (30.69%) Git (software)
7 274 (30.14%) Continuous Integration
7 274 (30.14%) Test Automation
8 269 (29.59%) AngularJS
8 269 (29.59%) Jenkins
9 265 (29.15%) Scrum
10 250 (27.50%) HTML
11 237 (26.07%) CSS
12 230 (25.30%) REST
13 210 (23.10%) C#
14 208 (22.88%) RESTful
15 193 (21.23%) Microservices
16 183 (20.13%) .NET
17 176 (19.36%) Unit Testing
18 170 (18.70%) Linux
19 167 (18.37%) React
20 164 (18.04%) Finance
21 160 (17.60%) Amazon AWS
22 147 (16.17%) Web Services
23 141 (15.51%) Spring Boot
24 139 (15.29%) MVC
25 134 (14.74%) DevOps
26 129 (14.19%) JSON
27 126 (13.86%) Node.js
28 125 (13.75%) HTML5

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 72 (7.92%) Apache
2 61 (6.71%) Apache Spark
2 61 (6.71%) Cloud Foundry
3 53 (5.83%) Confluence
4 28 (3.08%) GemFire
5 23 (2.53%) BizTalk Server
6 22 (2.42%) JBoss
7 17 (1.87%) Elasticsearch
8 16 (1.76%) WebLogic
9 15 (1.65%) IIS
10 13 (1.43%) Tomcat
11 12 (1.32%) Oracle SOA Suite
12 10 (1.10%) CMS
12 10 (1.10%) EPiServer
12 10 (1.10%) Oracle Service Bus
13 9 (0.99%) Drupal
14 8 (0.88%) Apache Solr
14 8 (0.88%) LiveCycle
15 6 (0.66%) Adobe Experience Manager
15 6 (0.66%) NServiceBus
Applications
1 4 (0.44%) Microsoft Office
1 4 (0.44%) MS Visio
2 2 (0.22%) Photoshop
3 1 (0.11%) GIMP
Business Applications
1 6 (0.66%) Magento
2 5 (0.55%) Dynamics CRM
3 1 (0.11%) Oracle General Ledger
3 1 (0.11%) Payment Gateway
Cloud Services
1 160 (17.60%) Amazon AWS
2 110 (12.10%) Microsoft Azure
3 59 (6.49%) GitHub
4 54 (5.94%) Serverless
5 47 (5.17%) PaaS
6 30 (3.30%) npm
7 27 (2.97%) OpenShift
8 20 (2.20%) Google Cloud Platform
9 16 (1.76%) AWS Lambda
10 14 (1.54%) Amazon SQS
11 13 (1.43%) IaaS
11 13 (1.43%) NuGet
12 12 (1.32%) Yarn
13 10 (1.10%) AWS CloudFormation
14 9 (0.99%) TestFlight
15 8 (0.88%) Amazon EC2
15 8 (0.88%) Amazon Kinesis
15 8 (0.88%) Force.com
15 8 (0.88%) SaaS
16 7 (0.77%) Amazon S3
Communications & Networking
1 31 (3.41%) HTTP
2 27 (2.97%) TCP/IP
3 15 (1.65%) Internet
4 11 (1.21%) Firewall
5 5 (0.55%) SSL
6 4 (0.44%) SMS
7 3 (0.33%) DNS
7 3 (0.33%) Wireless
8 2 (0.22%) MQTT
9 1 (0.11%) DVB
9 1 (0.11%) FTP
9 1 (0.11%) SSH
Database & Business Intelligence
1 119 (13.09%) SQL Server
2 93 (10.23%) Big Data
3 89 (9.79%) Hadoop
4 68 (7.48%) Relational Database
5 65 (7.15%) MySQL
6 56 (6.16%) NoSQL
7 55 (6.05%) HBase
8 52 (5.72%) MongoDB
9 45 (4.95%) RDBMS
10 32 (3.52%) PostgreSQL
11 29 (3.19%) Apache Cassandra
12 28 (3.08%) Parquet
13 22 (2.42%) Oracle Database
14 14 (1.54%) Amazon DynamoDB
14 14 (1.54%) Redis
15 11 (1.21%) Oracle Database 11g
16 10 (1.10%) Apache Hive
17 9 (0.99%) DB2
18 6 (0.66%) Amazon Redshift
18 6 (0.66%) Data Warehouse
Development Applications
1 279 (30.69%) Git (software)
2 269 (29.59%) Jenkins
3 103 (11.33%) JIRA
4 92 (10.12%) Maven
5 76 (8.36%) Cucumber
6 74 (8.14%) Selenium
7 71 (7.81%) JUnit
8 62 (6.82%) webpack
9 54 (5.94%) Mocha
10 51 (5.61%) Eclipse
11 50 (5.50%) Team Foundation Server
12 44 (4.84%) Gradle
13 43 (4.73%) Bitbucket
14 39 (4.29%) gulp
15 38 (4.18%) TeamCity
16 37 (4.07%) IntelliJ
17 35 (3.85%) Jasmine
17 35 (3.85%) Visual Studio
18 34 (3.74%) Babel
18 34 (3.74%) Grunt
General
1 164 (18.04%) Finance
2 71 (7.81%) Banking
3 18 (1.98%) Retail
4 12 (1.32%) Retail Banking
5 11 (1.21%) Marketing
5 11 (1.21%) Telecoms
6 10 (1.10%) Games
7 7 (0.77%) Automotive
7 7 (0.77%) Manufacturing
8 5 (0.55%) Publishing
9 4 (0.44%) Advertising
9 4 (0.44%) Back Office
10 3 (0.33%) Electronics
10 3 (0.33%) Financial Institution
11 2 (0.22%) Corporate Banking
11 2 (0.22%) Investment Banking
12 1 (0.11%) General Ledger
12 1 (0.11%) Law
Job Titles
1 680 (74.81%) Developer
2 257 (28.27%) Java Developer
3 95 (10.45%) .NET Developer
4 80 (8.80%) React Developer
5 79 (8.69%) Full Stack Developer
6 77 (8.47%) Senior Developer
7 59 (6.49%) C# Developer
8 48 (5.28%) Angular Developer
8 48 (5.28%) Front End Developer (Client-Side Developer)
8 48 (5.28%) JavaScript Developer
8 48 (5.28%) Node.js Developer
9 43 (4.73%) Big Data Developer
10 40 (4.40%) Tester
11 39 (4.29%) Lead Developer
12 35 (3.85%) Lead Java Developer
13 33 (3.63%) Architect
14 30 (3.30%) Agile Developer
15 28 (3.08%) Automation Tester
16 27 (2.97%) Software Developer
16 27 (2.97%) Software Engineer
Libraries, Frameworks & Software Standards
1 282 (31.02%) Spring
2 269 (29.59%) AngularJS
3 250 (27.50%) HTML
4 237 (26.07%) CSS
5 230 (25.30%) REST
6 208 (22.88%) RESTful
7 183 (20.13%) .NET
8 167 (18.37%) React
9 147 (16.17%) Web Services
10 141 (15.51%) Spring Boot
11 129 (14.19%) JSON
12 126 (13.86%) Node.js
13 125 (13.75%) HTML5
14 100 (11.00%) CSS3
15 93 (10.23%) Kafka
16 84 (9.24%) RabbitMQ
17 81 (8.91%) Middleware
18 77 (8.47%) J2EE
19 75 (8.25%) .NET Framework
20 73 (8.03%) jQuery
Miscellaneous
1 79 (8.69%) Greenfield Project
2 59 (6.49%) Mobile App
3 55 (6.05%) Enterprise Software
4 44 (4.84%) User Experience
5 40 (4.40%) Linux Command Line
6 39 (4.29%) Virtual Team
7 27 (2.97%) Computer Science
8 19 (2.09%) Fintech
8 19 (2.09%) Public Cloud
9 17 (1.87%) Self-Motivation
10 14 (1.54%) NHS
11 12 (1.32%) Cloud Native
12 10 (1.10%) Analytical Skills
13 8 (0.88%) Blog
13 8 (0.88%) iPad
14 5 (0.55%) AS400
14 5 (0.55%) Client/Server
14 5 (0.55%) Life Science
15 4 (0.44%) Algorithms
16 3 (0.33%) Replication
Operating Systems
1 170 (18.70%) Linux
2 99 (10.89%) Unix
3 49 (5.39%) Windows
4 33 (3.63%) Apple iOS
5 27 (2.97%) Android
6 11 (1.21%) Mac OS X
7 9 (0.99%) CentOS
8 5 (0.55%) Embedded Linux
9 3 (0.33%) Red Hat Enterprise Linux
10 2 (0.22%) Mac OS
10 2 (0.22%) Ubuntu
11 1 (0.11%) Debian
Processes & Methodologies
1 689 (75.80%) Agile Software Development
2 363 (39.93%) BDD
3 274 (30.14%) Continuous Integration
3 274 (30.14%) Test Automation
4 265 (29.15%) Scrum
5 193 (21.23%) Microservices
6 176 (19.36%) Unit Testing
7 139 (15.29%) MVC
8 134 (14.74%) DevOps
9 117 (12.87%) OO
10 96 (10.56%) Software Engineering
11 94 (10.34%) Continuous Delivery
12 93 (10.23%) Kanban
13 88 (9.68%) SDLC
14 82 (9.02%) Front End Development
15 81 (8.91%) Pair Programming
16 79 (8.69%) Open Source
17 73 (8.03%) User Stories
18 68 (7.48%) Web Development
19 64 (7.04%) E-Commerce
Programming Languages
1 401 (44.11%) Java
2 381 (41.91%) JavaScript
3 210 (23.10%) C#
4 106 (11.66%) Java 8
5 105 (11.55%) SQL
6 71 (7.81%) TypeScript
7 61 (6.71%) Shell Script
8 52 (5.72%) Python
8 52 (5.72%) Ruby
9 50 (5.50%) ES6
10 48 (5.28%) C++
11 30 (3.30%) PHP
12 25 (2.75%) Scala
13 23 (2.53%) Apple Swift
13 23 (2.53%) VB.NET
14 14 (1.54%) Groovy
14 14 (1.54%) Objective-C
15 13 (1.43%) Go
15 13 (1.43%) T-SQL
16 12 (1.32%) Apex Code
Qualifications
1 60 (6.60%) Degree
2 26 (2.86%) Security Cleared
3 19 (2.09%) Computer Science Degree
4 18 (1.98%) ISTQB
5 11 (1.21%) ISTQB Foundation Certification
6 10 (1.10%) BPSS Clearance
7 9 (0.99%) SC Cleared
8 7 (0.77%) BC Cleared
9 3 (0.33%) TOGAF Certification
10 2 (0.22%) Master's Degree
10 2 (0.22%) OCA
10 2 (0.22%) Oracle Certification
10 2 (0.22%) SAFe Agilist
11 1 (0.11%) DV Cleared
11 1 (0.11%) ISEB
11 1 (0.11%) Microsoft Certification
Quality Assurance & Compliance
1 86 (9.46%) QA
2 13 (1.43%) HL7
3 11 (1.21%) ISO 9001
3 11 (1.21%) ISO/IEC 27001
4 7 (0.77%) GCP
4 7 (0.77%) GDPR
5 3 (0.33%) IEC 62304
5 3 (0.33%) SLA
6 1 (0.11%) PMO
6 1 (0.11%) WCAG
System Software
1 110 (12.10%) Docker
2 67 (7.37%) Apache ZooKeeper
3 55 (6.05%) HDFS
4 11 (1.21%) VMware Infrastructure
5 2 (0.22%) Firmware
6 1 (0.11%) Active Directory
6 1 (0.11%) Virtual Machines
6 1 (0.11%) vSphere
Systems Management
1 57 (6.27%) Hadoop YARN
2 19 (2.09%) Opscode Chef
3 17 (1.87%) Ansible
4 15 (1.65%) Terraform
5 14 (1.54%) Puppet
6 11 (1.21%) HP Quality Center
6 11 (1.21%) Opsview
7 8 (0.88%) Kubernetes
8 3 (0.33%) Salt
9 1 (0.11%) Cobbler
9 1 (0.11%) Docker Swarm
9 1 (0.11%) Kibana
9 1 (0.11%) logstash
9 1 (0.11%) Packer
9 1 (0.11%) SELinux
9 1 (0.11%) Single Sign-On
Vendors
1 83 (9.13%) Oracle
2 34 (3.74%) Microsoft
3 16 (1.76%) Google
4 14 (1.54%) Adobe
5 13 (1.43%) Salesforce.com
6 11 (1.21%) Red Hat
6 11 (1.21%) VMware
7 10 (1.10%) HP
7 10 (1.10%) SAP
7 10 (1.10%) Twitter
8 8 (0.88%) Atlassian
9 6 (0.66%) New Relic
10 5 (0.55%) CA Agile Central
10 5 (0.55%) MuleSoft
10 5 (0.55%) Xamarin
11 4 (0.44%) Cloudera
12 3 (0.33%) Apple
12 3 (0.33%) DocuSign
12 3 (0.33%) IBM
12 3 (0.33%) Splunk