Period
to 13 December 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 13 December 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 > London
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 11 9 16
Rank change year-on-year -2 +7 +2
Contract jobs citing TDD 4,771 4,681 3,689
As % of all contract IT jobs advertised in London 10.13% 9.86% 8.31%
As % of the Processes & Methodologies category 11.53% 11.18% 9.51%
Number of daily rates quoted 3,958 3,917 3,120
London median daily rate £525 £513 £488
Median daily rate % change year-on-year +2.44% +5.13% +2.63%
10th Percentile £413 £400 £363
90th Percentile £675 £638 £633
England median daily rate £513 £500 £460
% change year-on-year +2.50% +8.70% +2.22%
Number of hourly rates quoted 4 1 8
London median hourly rate £35.00 £39.29 £46.25
Median hourly rate % change year-on-year -10.92% -15.05% +2.78%
10th Percentile £23.98 £39.29 £45.35
90th Percentile £60.92 £39.29 £70.25
England median hourly rate £43.75 £45.00 £42.50
% change year-on-year -2.78% +5.88% +6.25%

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 41,383 41,867 38,807
As % of all contract IT jobs advertised in London 87.87% 88.17% 87.40%
Number of daily rates quoted 29,849 30,454 27,745
London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £325 £313 £306
90th Percentile £675 £675 £638
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 470 391 435
London median hourly rate £24.04 £22.50 £22.00
Median hourly rate % change year-on-year +6.84% +2.27% +10.00%
10th Percentile £13.00 £13.30 £12.05
90th Percentile £54.71 £48.75 £50.00
England median hourly rate £22.00 £24.69 £22.84
% change year-on-year -10.88% +8.10% +3.80%

TDD
Job Vacancy Trend in London

Job postings citing TDD as a percentage of all IT jobs advertised in London.

Job vacancy trend for TDD in London

TDD
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for TDD in London

TDD
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing TDD in London over the 6 months to 13 December 2018.

Contractor daily rate histogram for TDD in London

TDD
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for TDD in London

TDD
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing TDD in London over the 6 months to 13 December 2018.

Contractor hourly rate histogram for TDD in London

TDD
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the London region over the 6 months to 13 December 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
Central London +2 1,124 £525 +1.94% 313
West London -7 207 £525 +1.45% 164
South London -12 206 £525 - 17
East London +12 154 £550 +4.76% 67
North London -4 12 £450 +5.88% 7
TDD
England

For the 6 months to 13 December 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 London region with a requirement for TDD.

1 3,421 (71.70%) Agile Software Development
2 2,070 (43.39%) BDD
3 2,020 (42.34%) Java
4 1,808 (37.90%) JavaScript
5 1,274 (26.70%) Microservices
6 1,161 (24.33%) Continuous Integration
7 1,102 (23.10%) Git (software)
8 1,063 (22.28%) Amazon AWS
9 1,025 (21.48%) Scrum
10 1,023 (21.44%) AngularJS
11 999 (20.94%) Finance
12 973 (20.39%) HTML
13 969 (20.31%) C#
14 945 (19.81%) Jenkins
15 929 (19.47%) Docker
16 925 (19.39%) CSS
17 918 (19.24%) React
18 915 (19.18%) .NET
19 895 (18.76%) REST
20 862 (18.07%) Test Automation
21 846 (17.73%) Spring
22 809 (16.96%) Node.js
23 802 (16.81%) DevOps
24 801 (16.79%) Microsoft Azure
25 791 (16.58%) RESTful
26 768 (16.10%) SQL
27 691 (14.48%) Java 8
28 681 (14.27%) Greenfield Project
29 673 (14.11%) Web Services
30 653 (13.69%) OO

TDD
Co-occurring IT Skills in London 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
1 264 (5.53%) Confluence
2 231 (4.84%) Elasticsearch
3 141 (2.96%) Apache Spark
3 141 (2.96%) Tomcat
4 131 (2.75%) WebSphere
5 129 (2.70%) WebLogic
6 120 (2.52%) OpenStack
7 104 (2.18%) Apache
8 82 (1.72%) CMS
9 67 (1.40%) NServiceBus
10 51 (1.07%) JBoss
11 43 (0.90%) IIS
12 41 (0.86%) Apache Solr
13 36 (0.75%) Cloud Foundry
14 28 (0.59%) MQSeries
15 25 (0.52%) Mule
16 20 (0.42%) Drupal
17 18 (0.38%) Gunicorn
17 18 (0.38%) Jetty
18 16 (0.34%) Apache Airflow
Applications
1 38 (0.80%) Microsoft Excel
2 25 (0.52%) Spreadsheet
3 23 (0.48%) Photoshop
4 10 (0.21%) InVision
5 8 (0.17%) Adobe Illustrator
6 6 (0.13%) Fireworks
7 5 (0.10%) Chatbot
8 2 (0.042%) GIMP
8 2 (0.042%) Microsoft Office
8 2 (0.042%) Microsoft PowerPoint
8 2 (0.042%) MS Visio
8 2 (0.042%) Snapchat
8 2 (0.042%) S-PLUS
9 1 (0.021%) Final Cut Pro
9 1 (0.021%) Microsoft Project
Business Applications
1 14 (0.29%) Payment Gateway
2 8 (0.17%) Markit EDM
3 7 (0.15%) Dynamics CRM
4 6 (0.13%) Magento
5 5 (0.10%) SAP Hybris
6 3 (0.063%) SAP Oil and Gas
6 3 (0.063%) Unit4 Business World
7 2 (0.042%) Global One
7 2 (0.042%) ION MarketView
7 2 (0.042%) Oracle Financials
7 2 (0.042%) Oracle Retail
7 2 (0.042%) PeopleSoft Financials
7 2 (0.042%) PolarLake
7 2 (0.042%) thinkFolio
8 1 (0.021%) Endur
8 1 (0.021%) LatentZero
8 1 (0.021%) Loan IQ
8 1 (0.021%) Oracle Cash Management
8 1 (0.021%) SDL Web 8
8 1 (0.021%) Unica
Cloud Services
1 1,063 (22.28%) Amazon AWS
2 801 (16.79%) Microsoft Azure
3 205 (4.30%) GitHub
4 159 (3.33%) Serverless
5 152 (3.19%) Google Cloud Platform
6 88 (1.84%) Amazon EC2
7 72 (1.51%) AWS Lambda
7 72 (1.51%) npm
8 68 (1.43%) OpenShift
9 65 (1.36%) Cloud Computing
10 57 (1.19%) PaaS
11 51 (1.07%) Amazon S3
12 48 (1.01%) Heroku
13 39 (0.82%) Amazon SQS
13 39 (0.82%) SaaS
14 27 (0.57%) Virtual Private Cloud
15 21 (0.44%) Azure Functions
16 19 (0.40%) Amazon CloudWatch
16 19 (0.40%) Google App Engine
16 19 (0.40%) Sauce Labs
Communications & Networking
1 162 (3.40%) HTTP
2 47 (0.99%) Internet
3 46 (0.96%) AMQP
4 35 (0.73%) TCP/IP
5 21 (0.44%) FTP
5 21 (0.44%) Kerberos
5 21 (0.44%) SSL
6 19 (0.40%) DNS
7 14 (0.29%) HTTPS
8 12 (0.25%) Firewall
9 11 (0.23%) SMTP
10 9 (0.19%) SSH
11 8 (0.17%) LAN
12 7 (0.15%) Network Security
13 5 (0.10%) SMS
14 3 (0.063%) DMARC
14 3 (0.063%) MPLS
15 2 (0.042%) Broadband
15 2 (0.042%) RTMP
15 2 (0.042%) Software-Defined Networking
Database & Business Intelligence
1 523 (10.96%) NoSQL
2 467 (9.79%) SQL Server
3 381 (7.99%) PostgreSQL
4 327 (6.85%) MySQL
5 279 (5.85%) MongoDB
6 268 (5.62%) Relational Database
7 187 (3.92%) Apache Cassandra
8 179 (3.75%) Big Data
9 138 (2.89%) Hadoop
10 115 (2.41%) Redis
11 110 (2.31%) HBase
12 80 (1.68%) Azure SQL Database
13 63 (1.32%) Apache Hive
14 51 (1.07%) Cosmos DB
15 44 (0.92%) Data Lake
16 43 (0.90%) RDBMS
17 41 (0.86%) Amazon DynamoDB
18 37 (0.78%) Impala
19 36 (0.75%) SQL Server 2012
20 34 (0.71%) Couchbase
Development Applications
1 1,102 (23.10%) Git (software)
2 945 (19.81%) Jenkins
3 453 (9.49%) JIRA
4 445 (9.33%) Maven
5 412 (8.64%) Selenium
6 347 (7.27%) Cucumber
7 280 (5.87%) JUnit
8 241 (5.05%) TeamCity
9 202 (4.23%) webpack
10 200 (4.19%) NUnit
11 176 (3.69%) Mockito
12 159 (3.33%) Subversion
13 156 (3.27%) Mocha
14 139 (2.91%) SpecFlow
15 136 (2.85%) Gradle
16 130 (2.72%) MSTest
17 121 (2.54%) Octopus Deploy
18 117 (2.45%) WebDriver
19 116 (2.43%) Jasmine
20 111 (2.33%) gulp
General
1 999 (20.94%) Finance
2 529 (11.09%) Banking
3 228 (4.78%) Front Office
4 171 (3.58%) Retail
5 160 (3.35%) Investment Banking
6 93 (1.95%) Games
7 77 (1.61%) Telecoms
8 65 (1.36%) Law
9 64 (1.34%) Marketing
10 63 (1.32%) Publishing
11 45 (0.94%) Financial Institution
12 44 (0.92%) Back Office
13 42 (0.88%) Advertising
14 22 (0.46%) Manufacturing
15 20 (0.42%) Electronics
16 15 (0.31%) Automotive
16 15 (0.31%) Legal
17 12 (0.25%) Pharmaceutical
18 8 (0.17%) Billing
19 7 (0.15%) Retail Banking
Job Titles
1 3,665 (76.82%) Developer
2 1,200 (25.15%) Java Developer
3 634 (13.29%) Senior Developer
4 488 (10.23%) React Developer
5 446 (9.35%) C# Developer
6 429 (8.99%) .NET Developer
7 399 (8.36%) Front End Developer (Client-Side Developer)
8 394 (8.26%) JavaScript Developer
9 306 (6.41%) Full Stack Developer
10 279 (5.85%) Angular Developer
11 222 (4.65%) Senior Java Developer
12 213 (4.46%) AWS Developer
13 169 (3.54%) Agile Developer
14 166 (3.48%) Python Developer
15 158 (3.31%) Node.js Developer
16 155 (3.25%) Lead Developer
17 153 (3.21%) C# .NET Developer
18 149 (3.12%) Scala Developer
19 134 (2.81%) Software Engineer
20 113 (2.37%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 1,023 (21.44%) AngularJS
2 973 (20.39%) HTML
3 925 (19.39%) CSS
4 918 (19.24%) React
5 915 (19.18%) .NET
6 895 (18.76%) REST
7 846 (17.73%) Spring
8 809 (16.96%) Node.js
9 791 (16.58%) RESTful
10 673 (14.11%) Web Services
11 548 (11.49%) Spring Boot
12 516 (10.82%) HTML5
13 393 (8.24%) Redux
14 345 (7.23%) JSON
15 321 (6.73%) CSS3
16 306 (6.41%) Hibernate
17 302 (6.33%) Kafka
18 293 (6.14%) ASP.NET Web API
18 293 (6.14%) Sass
19 277 (5.81%) ASP.NET
Miscellaneous
1 681 (14.27%) Greenfield Project
2 308 (6.46%) User Experience
3 307 (6.43%) Fintech
4 230 (4.82%) Mobile App
5 181 (3.79%) Analytical Skills
6 140 (2.93%) Algorithms
7 121 (2.54%) Fixed Income
8 110 (2.31%) Data Structures
9 97 (2.03%) Derivative
10 92 (1.93%) Foreign Exchange (FX)
11 75 (1.57%) Equities
12 53 (1.11%) Cloud Native
12 53 (1.11%) Hedge funds
13 51 (1.07%) Enterprise Software
14 49 (1.03%) iPad
15 48 (1.01%) Video on Demand
16 44 (0.92%) Video\Live Streaming
17 43 (0.90%) Self-Motivation
18 42 (0.88%) Virtual Team
19 31 (0.65%) Equity Derivative
Operating Systems
1 365 (7.65%) Linux
2 216 (4.53%) Apple iOS
3 200 (4.19%) Unix
4 194 (4.07%) Android
5 141 (2.96%) Windows
6 34 (0.71%) Windows Server
7 32 (0.67%) Mac OS X
8 19 (0.40%) VMS
9 13 (0.27%) Mac OS
10 7 (0.15%) Red Hat Enterprise Linux
10 7 (0.15%) Solaris
11 5 (0.10%) tvOS
11 5 (0.10%) Ubuntu
11 5 (0.10%) Windows 7
12 4 (0.084%) Windows 8
13 3 (0.063%) Android TV
14 1 (0.021%) DC/OS
14 1 (0.021%) Tizen
14 1 (0.021%) Windows 10
14 1 (0.021%) Windows Server 2012
Processes & Methodologies
1 3,421 (71.70%) Agile Software Development
2 2,070 (43.39%) BDD
3 1,274 (26.70%) Microservices
4 1,161 (24.33%) Continuous Integration
5 1,025 (21.48%) Scrum
6 862 (18.07%) Test Automation
7 802 (16.81%) DevOps
8 653 (13.69%) OO
9 579 (12.14%) Pair Programming
10 572 (11.99%) Front End Development
11 533 (11.17%) Software Engineering
12 509 (10.67%) Kanban
13 458 (9.60%) Unit Testing
14 451 (9.45%) MVC
15 449 (9.41%) Continuous Delivery
16 368 (7.71%) E-Commerce
17 305 (6.39%) Open Source
18 281 (5.89%) SOA
18 281 (5.89%) Web Development
19 261 (5.47%) Problem-Solving
Programming Languages
1 2,020 (42.34%) Java
2 1,808 (37.90%) JavaScript
3 969 (20.31%) C#
4 768 (16.10%) SQL
5 691 (14.48%) Java 8
6 531 (11.13%) Python
7 339 (7.11%) TypeScript
8 319 (6.69%) Scala
9 301 (6.31%) ES6
10 216 (4.53%) Ruby
11 138 (2.89%) PHP
12 130 (2.72%) Apple Swift
13 114 (2.39%) Kotlin
14 96 (2.01%) Go
15 88 (1.84%) C++
16 86 (1.80%) Groovy
17 72 (1.51%) Objective-C
18 64 (1.34%) Bash Shell
19 63 (1.32%) T-SQL
20 59 (1.24%) C
Qualifications
1 225 (4.72%) Degree
2 165 (3.46%) Security Cleared
3 135 (2.83%) SC Cleared
4 70 (1.47%) Computer Science Degree
5 53 (1.11%) BPSS Clearance
6 24 (0.50%) Numerate Degree
7 15 (0.31%) PhD
8 14 (0.29%) ISTQB
9 13 (0.27%) ISEB
10 12 (0.25%) DV Cleared
11 7 (0.15%) CTC Cleared
12 6 (0.13%) DBS Check
13 5 (0.10%) Master's Degree
14 4 (0.084%) ISEB Practitioner
14 4 (0.084%) ISTQB Advanced Certification
14 4 (0.084%) Sun Certification
15 3 (0.063%) ISTQB Foundation Certification
15 3 (0.063%) PMI Certification
16 2 (0.042%) AWS Certification
17 1 (0.021%) SAFe Agilist
Quality Assurance & Compliance
1 317 (6.64%) QA
2 13 (0.27%) Data Quality
3 12 (0.25%) WCAG
4 10 (0.21%) Disclosure Scotland
4 10 (0.21%) PMO
5 7 (0.15%) EMIR
5 7 (0.15%) GDPR
5 7 (0.15%) MiFID
6 6 (0.13%) PCI DSS
7 3 (0.063%) Dodd-Frank
7 3 (0.063%) ISO 20022
7 3 (0.063%) ISO/IEC 27001
7 3 (0.063%) PSD2
8 2 (0.042%) SLA
9 1 (0.021%) Government Security Classifications
9 1 (0.021%) Solvency II
System Software
1 929 (19.47%) Docker
2 47 (0.99%) VMware Infrastructure
3 43 (0.90%) vSphere
4 40 (0.84%) HDFS
5 8 (0.17%) Active Directory
5 8 (0.17%) Apache ZooKeeper
6 5 (0.10%) Microsoft App-V
7 4 (0.084%) Apache Flume
8 3 (0.063%) OpenAM
8 3 (0.063%) Virtual Machines
9 2 (0.042%) Platform Symphony
9 2 (0.042%) Postfix
9 2 (0.042%) VirtualBox
10 1 (0.021%) Ceph
10 1 (0.021%) IAG
Systems Management
1 410 (8.59%) Kubernetes
2 303 (6.35%) Ansible
3 213 (4.46%) Puppet
4 197 (4.13%) Terraform
5 188 (3.94%) Opscode Chef
6 48 (1.01%) Mesos
7 46 (0.96%) Kibana
8 36 (0.75%) logstash
9 27 (0.57%) Packer
10 23 (0.48%) Hadoop YARN
11 22 (0.46%) Grafana
12 21 (0.44%) Prometheus
13 15 (0.31%) Oozie
14 14 (0.29%) Single Sign-On
15 13 (0.27%) Rancher
16 11 (0.23%) Docker Swarm
16 11 (0.23%) HP Quality Center
17 10 (0.21%) Consul
18 9 (0.19%) ITRS Geneos
19 8 (0.17%) Control-M
Vendors
1 307 (6.43%) Oracle
2 265 (5.55%) Microsoft
3 182 (3.81%) Google
4 54 (1.13%) Splunk
5 53 (1.11%) Atlassian
6 50 (1.05%) VMware
7 41 (0.86%) Sybase
8 36 (0.75%) IBM
9 33 (0.69%) Apiary
9 33 (0.69%) SAP
10 32 (0.67%) Cloudera
11 29 (0.61%) Apple
12 28 (0.59%) TIBCO
13 26 (0.54%) Salesforce.com
13 26 (0.54%) Sitecore
14 25 (0.52%) DevExpress
15 21 (0.44%) Red Hat
16 19 (0.40%) MuleSoft
17 17 (0.36%) Adobe
17 17 (0.36%) Cypress Semiconductor