Period
to 19 February 2018

The following table provides summary statistics for contract job vacancies advertised in the City of 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 19 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)
Central London > City of London
6 months to
19 Feb 2018
Same period 2017 Same period 2016
Rank 10 9 15
Rank change year-on-year -1 +6 +7
Contract jobs citing TDD 777 680 602
As % of all contract IT jobs advertised in the City of London 11.01% 11.19% 8.92%
As % of the Processes & Methodologies category 12.56% 12.86% 10.33%
Number of daily rates quoted 695 622 551
City of London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +10.50%
10th Percentile £413 £363 £344
90th Percentile £669 £650 £638
Central London median daily rate £525 £505 £500
% change year-on-year +3.96% +1.00% +11.11%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6,188 5,288 5,825
As % of all contract IT jobs advertised in the City of London 87.65% 87.05% 86.31%
Number of daily rates quoted 4,936 4,203 4,656
City of London median daily rate £505 £488 £475
Median daily rate % change year-on-year +3.59% +2.63% +5.56%
10th Percentile £334 £313 £293
90th Percentile £688 £675 £650
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +2.78%
Number of hourly rates quoted 71 52 60
City of London median hourly rate £18.70 £20.63 £21.07
Median hourly rate % change year-on-year -9.33% -2.09% +10.48%
10th Percentile £11.61 £13.74 £11.98
90th Percentile £38.50 £55.00 £51.58
Central London median hourly rate £20.00 £19.92 £21.07
% change year-on-year +0.40% -5.44% +17.03%

TDD
Job Vacancy Trend in the City of London

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

Job vacancy trend for TDD in the City of London

TDD
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for TDD in the City of London

TDD
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing TDD in the City of London over the 6 months to 19 February 2018.

Contractor daily rate histogram for TDD in the City of London

TDD
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for TDD in the City of London

TDD
Contract Job Locations in the City of 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 City of London region over the 6 months to 19 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
London Bridge - 15 £550 -
TDD
Central London

For the 6 months to 19 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 City of London region with a requirement for TDD.

1 563 (72.46%) Agile Software Development
2 327 (42.08%) Java
3 288 (37.07%) BDD
4 279 (35.91%) JavaScript
5 266 (34.23%) C#
6 232 (29.86%) Finance
7 227 (29.21%) .NET
8 171 (22.01%) AngularJS
9 170 (21.88%) Continuous Integration
10 168 (21.62%) REST
11 163 (20.98%) HTML
12 160 (20.59%) MVC
13 155 (19.95%) Scrum
14 154 (19.82%) Amazon AWS
15 151 (19.43%) Microservices
16 148 (19.05%) SQL
17 146 (18.79%) Git (software)
18 144 (18.53%) SQL Server
19 135 (17.37%) CSS
20 129 (16.60%) Banking
21 128 (16.47%) Microsoft Azure
22 117 (15.06%) Web Services
23 115 (14.80%) Software Engineering
24 113 (14.54%) Test Automation
25 110 (14.16%) React
26 108 (13.90%) Node.js
26 108 (13.90%) Spring
27 104 (13.38%) HTML5
28 99 (12.74%) Docker
29 98 (12.61%) Greenfield Project

TDD
Co-occurring IT Skills in the City of 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 28 (3.60%) Apache Spark
2 22 (2.83%) Elasticsearch
3 18 (2.32%) Confluence
4 15 (1.93%) Tomcat
4 15 (1.93%) WebSphere
5 12 (1.54%) OpenStack
5 12 (1.54%) WebLogic
6 11 (1.42%) CMS
7 8 (1.03%) Adobe Experience Manager
8 5 (0.64%) Apache
8 5 (0.64%) MQSeries
8 5 (0.64%) Mule
9 3 (0.39%) DataSynapse
9 3 (0.39%) NServiceBus
10 2 (0.26%) Apache Pig
10 2 (0.26%) Cloud Foundry
10 2 (0.26%) JBoss
10 2 (0.26%) Sitecore CMS
11 1 (0.13%) IBM Notes
11 1 (0.13%) SharePoint
Applications
1 8 (1.03%) Microsoft Excel
2 3 (0.39%) Microsoft PowerPoint
3 1 (0.13%) Microsoft Office
Business Applications
1 3 (0.39%) Dynamics CRM
1 3 (0.39%) Oracle Retail
2 2 (0.26%) Oracle Cash Management
2 2 (0.26%) Oracle Financials
2 2 (0.26%) PeopleSoft Financials
3 1 (0.13%) Distributed Ledger
3 1 (0.13%) RMDS
Cloud Services
1 154 (19.82%) Amazon AWS
2 128 (16.47%) Microsoft Azure
3 25 (3.22%) GitHub
4 19 (2.45%) Serverless
5 18 (2.32%) Heroku
6 17 (2.19%) npm
7 7 (0.90%) AWS CloudFormation
7 7 (0.90%) AWS Lambda
8 6 (0.77%) Amazon EC2
8 6 (0.77%) Cloud Computing
8 6 (0.77%) SaaS
8 6 (0.77%) Yarn
9 5 (0.64%) Google Cloud Platform
9 5 (0.64%) Google Play
9 5 (0.64%) PaaS
10 4 (0.51%) BrowserStack
10 4 (0.51%) vREST
11 3 (0.39%) Amazon S3
12 2 (0.26%) Amazon SQS
12 2 (0.26%) Sauce Labs
Communications & Networking
1 37 (4.76%) HTTP
2 18 (2.32%) TCP/IP
3 17 (2.19%) DNS
3 17 (2.19%) FTP
3 17 (2.19%) SSL
4 6 (0.77%) Bluetooth
5 4 (0.51%) AMQP
6 3 (0.39%) FIX Connectivity
6 3 (0.39%) SMS
7 2 (0.26%) Ethernet
7 2 (0.26%) Internet
7 2 (0.26%) Unified Communications
7 2 (0.26%) VPLS
8 1 (0.13%) DSL
8 1 (0.13%) SSH
Database & Business Intelligence
1 144 (18.53%) SQL Server
2 85 (10.94%) NoSQL
3 68 (8.75%) MongoDB
4 55 (7.08%) PostgreSQL
5 48 (6.18%) MySQL
6 46 (5.92%) SQL Server 2016
7 36 (4.63%) Big Data
8 34 (4.38%) SQL Server 2012
8 34 (4.38%) SQL Server 2014
9 27 (3.47%) Relational Database
10 26 (3.35%) Hadoop
11 18 (2.32%) Apache Cassandra
12 15 (1.93%) Apache Hive
12 15 (1.93%) Redis
13 12 (1.54%) RDBMS
14 10 (1.29%) Amazon DynamoDB
15 9 (1.16%) Blockchain
15 9 (1.16%) HBase
15 9 (1.16%) SQL Server 2008
16 7 (0.90%) SQL Server Reporting Services
Development Applications
1 146 (18.79%) Git (software)
2 72 (9.27%) Jenkins
3 50 (6.44%) JIRA
3 50 (6.44%) Maven
3 50 (6.44%) webpack
4 44 (5.66%) gulp
4 44 (5.66%) Selenium
5 43 (5.53%) Gradle
6 42 (5.41%) Cucumber
7 37 (4.76%) NUnit
8 35 (4.50%) TeamCity
9 29 (3.73%) Jasmine
10 27 (3.47%) Team Foundation Server
11 25 (3.22%) Babel
12 24 (3.09%) Grunt
13 23 (2.96%) MSTest
13 23 (2.96%) SpecFlow
14 22 (2.83%) Mocha
15 21 (2.70%) JUnit
16 18 (2.32%) WebDriver
General
1 232 (29.86%) Finance
2 129 (16.60%) Banking
3 34 (4.38%) Front Office
3 34 (4.38%) Investment Banking
4 26 (3.35%) Legal
5 19 (2.45%) Law
5 19 (2.45%) Retail
5 19 (2.45%) Retail Banking
6 18 (2.32%) Financial Institution
6 18 (2.32%) Games
7 16 (2.06%) Marketing
8 15 (1.93%) Publishing
9 8 (1.03%) Telecoms
10 7 (0.90%) Back Office
11 4 (0.51%) Advertising
11 4 (0.51%) Manufacturing
12 3 (0.39%) Wholesale Banking
13 2 (0.26%) Electronics
13 2 (0.26%) Portuguese Language
13 2 (0.26%) Spanish Language
Job Titles
1 624 (80.31%) Developer
2 196 (25.23%) Java Developer
3 139 (17.89%) C# Developer
4 125 (16.09%) Senior Developer
5 106 (13.64%) .NET Developer
6 62 (7.98%) JavaScript Developer
7 57 (7.34%) Full Stack Developer
8 56 (7.21%) C# .NET Developer
9 52 (6.69%) React Developer
10 49 (6.31%) Agile Developer
11 48 (6.18%) WPF Developer
12 46 (5.92%) Senior Java Developer
13 44 (5.66%) C# WPF Developer
13 44 (5.66%) Scala Developer
14 38 (4.89%) AWS Developer
15 24 (3.09%) Python Developer
16 23 (2.96%) Front End Developer (Client-Side Developer)
17 22 (2.83%) Software Engineer
18 20 (2.57%) Analyst
18 20 (2.57%) Angular Developer
Libraries, Frameworks & Software Standards
1 227 (29.21%) .NET
2 171 (22.01%) AngularJS
3 168 (21.62%) REST
4 163 (20.98%) HTML
5 135 (17.37%) CSS
6 117 (15.06%) Web Services
7 110 (14.16%) React
8 108 (13.90%) Node.js
8 108 (13.90%) Spring
9 104 (13.38%) HTML5
10 84 (10.81%) ASP.NET Web API
11 83 (10.68%) RESTful
12 80 (10.30%) ASP.NET
13 77 (9.91%) SOAP
14 73 (9.40%) WCF
15 71 (9.14%) WPF
16 63 (8.11%) JSON
17 60 (7.72%) Spring Boot
18 59 (7.59%) Kafka
19 54 (6.95%) Redux
Miscellaneous
1 98 (12.61%) Greenfield Project
2 53 (6.82%) Mobile App
3 37 (4.76%) Fintech
4 31 (3.99%) Foreign Exchange (FX)
5 30 (3.86%) Algorithms
5 30 (3.86%) User Experience
6 24 (3.09%) Analytical Skills
7 22 (2.83%) Hedge funds
8 21 (2.70%) Computer Science
8 21 (2.70%) Data Structures
9 17 (2.19%) Derivative
9 17 (2.19%) Equities
10 12 (1.54%) Enterprise Software
11 9 (1.16%) Video on Demand
12 8 (1.03%) Virtual Team
13 7 (0.90%) Fixed Income
13 7 (0.90%) Grid Computing
14 6 (0.77%) Equity Derivative
14 6 (0.77%) Mobile Games
15 5 (0.64%) Wiki
Operating Systems
1 52 (6.69%) Linux
2 29 (3.73%) Apple iOS
3 28 (3.60%) Android
4 26 (3.35%) Unix
5 17 (2.19%) Windows
6 3 (0.39%) VMS
7 2 (0.26%) Mac OS X
7 2 (0.26%) Red Hat Enterprise Linux
8 1 (0.13%) CoreOS
8 1 (0.13%) HPUX
8 1 (0.13%) Mac OS
8 1 (0.13%) Solaris
8 1 (0.13%) Windows Server
8 1 (0.13%) Windows Server 2008
Processes & Methodologies
1 563 (72.46%) Agile Software Development
2 288 (37.07%) BDD
3 170 (21.88%) Continuous Integration
4 160 (20.59%) MVC
5 155 (19.95%) Scrum
6 151 (19.43%) Microservices
7 115 (14.80%) Software Engineering
8 113 (14.54%) Test Automation
9 98 (12.61%) Pair Programming
10 97 (12.48%) OO
11 92 (11.84%) DevOps
12 85 (10.94%) Multithreading
13 77 (9.91%) E-Commerce
14 66 (8.49%) Kanban
15 64 (8.24%) SOLID
16 62 (7.98%) SOA
16 62 (7.98%) Unit Testing
17 56 (7.21%) MVVM
18 52 (6.69%) Continuous Delivery
18 52 (6.69%) Domain-Driven Design
Programming Languages
1 327 (42.08%) Java
2 279 (35.91%) JavaScript
3 266 (34.23%) C#
4 148 (19.05%) SQL
5 91 (11.71%) Scala
6 88 (11.33%) Python
7 71 (9.14%) ES6
8 50 (6.44%) Ruby
9 42 (5.41%) Groovy
10 40 (5.15%) TypeScript
11 32 (4.12%) T-SQL
12 24 (3.09%) Go
13 22 (2.83%) PHP
14 18 (2.32%) Objective-C
15 17 (2.19%) Apple Swift
15 17 (2.19%) Kotlin
16 14 (1.80%) C++
17 9 (1.16%) Bash Shell
17 9 (1.16%) XPath
18 7 (0.90%) VB.NET
Qualifications
1 62 (7.98%) Degree
2 7 (0.90%) Master's Degree
3 6 (0.77%) Security Cleared
4 4 (0.51%) Computer Science Degree
4 4 (0.51%) SC Cleared
5 3 (0.39%) MCP
5 3 (0.39%) MCPD
5 3 (0.39%) Microsoft Certification
6 1 (0.13%) AWS Certification
6 1 (0.13%) ISEB
6 1 (0.13%) ISTQB
Quality Assurance & Compliance
1 40 (5.15%) QA
2 5 (0.64%) PCI DSS
3 4 (0.51%) MiFID
4 3 (0.39%) PMO
5 2 (0.26%) EMIR
6 1 (0.13%) WCAG
System Software
1 99 (12.74%) Docker
2 11 (1.42%) Active Directory
3 5 (0.64%) HDFS
4 1 (0.13%) Apache Flume
4 1 (0.13%) Apache ZooKeeper
Systems Management
1 36 (4.63%) Ansible
2 27 (3.47%) Opscode Chef
3 21 (2.70%) Puppet
4 17 (2.19%) Docker Swarm
5 10 (1.29%) Terraform
6 4 (0.51%) Kubernetes
7 3 (0.39%) Grafana
8 2 (0.26%) Mesos
9 1 (0.13%) Business Desktop Deployment
9 1 (0.13%) CA Service Virtualization
9 1 (0.13%) MOM
9 1 (0.13%) Oozie
9 1 (0.13%) Rancher
9 1 (0.13%) Systems Management Server (SMS)
Vendors
1 46 (5.92%) Microsoft
2 39 (5.02%) Oracle
3 24 (3.09%) Apigee
4 10 (1.29%) Google
5 8 (1.03%) Salesforce.com
6 7 (0.90%) New Relic
6 7 (0.90%) Sitecore
7 6 (0.77%) Apple
7 6 (0.77%) Sybase
8 4 (0.51%) Adobe
8 4 (0.51%) Atlassian
8 4 (0.51%) Cypress Semiconductor
8 4 (0.51%) HP
8 4 (0.51%) TIBCO
8 4 (0.51%) Xamarin
9 3 (0.39%) Coverity
9 3 (0.39%) DevExpress
9 3 (0.39%) Solace
9 3 (0.39%) Splunk
9 3 (0.39%) Typemock