Period
to 20 November 2017

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 20 November 2017 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
20 Nov 2017
Same period 2016 Same period 2015
Rank 9 11 20
Rank change year-on-year +2 +9 +5
Contract jobs citing TDD 754 715 761
As % of all contract IT jobs advertised in the City of London 10.64% 10.84% 8.32%
As % of the Processes & Methodologies category 12.05% 12.40% 9.91%
Number of daily rates quoted 649 651 684
City of London median daily rate £525 £500 £500
Median daily rate % change year-on-year +5.00% - +8.99%
10th Percentile £413 £369 £363
90th Percentile £664 £650 £629
Central London median daily rate £525 £500 £500
% change year-on-year +5.00% - +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 6257 5765 7677
As % of all contract IT jobs advertised in the City of London 88.28% 87.41% 83.98%
Number of daily rates quoted 4969 4616 6106
City of London median daily rate £513 £475 £465
Median daily rate % change year-on-year +7.89% +2.15% +3.33%
10th Percentile £325 £313 £288
90th Percentile £688 £664 £650
Central London median daily rate £500 £475 £455
% change year-on-year +5.26% +4.40% +1.11%
Number of hourly rates quoted 59 53 74
City of London median hourly rate £20.00 £20.00 £21.13
Median hourly rate % change year-on-year - -5.33% +11.18%
10th Percentile £13.34 £13.75 £10.91
90th Percentile £30.90 £54.03 £45.15
Central London median hourly rate £20.25 £19.46 £21.00
% change year-on-year +4.06% -7.33% +16.73%

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 20 November 2017.

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 20 November 2017. 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 - 6 £550 -
TDD
Central London

For the 6 months to 20 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for TDD.

1 572 (75.86%) Agile Software Development
2 360 (47.75%) Java
3 285 (37.80%) JavaScript
4 278 (36.87%) BDD
5 239 (31.70%) Finance
6 189 (25.07%) C#
7 187 (24.80%) Banking
8 180 (23.87%) Continuous Integration
9 179 (23.74%) AngularJS
10 178 (23.61%) HTML
11 177 (23.47%) .NET
12 168 (22.28%) Scrum
13 161 (21.35%) REST
14 149 (19.76%) MVC
15 146 (19.36%) Test Automation
16 144 (19.10%) CSS
17 140 (18.57%) React
18 139 (18.44%) Git (software)
19 137 (18.17%) Amazon AWS
20 136 (18.04%) Web Services
21 127 (16.84%) Microservices
22 126 (16.71%) SQL
23 121 (16.05%) HTML5
24 120 (15.92%) Pair Programming
25 114 (15.12%) Node.js
26 111 (14.72%) DevOps
27 107 (14.19%) SQL Server
28 105 (13.93%) Spring
28 105 (13.93%) Software Engineering
29 95 (12.60%) OO

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 43 (5.70%) Apache Spark
2 34 (4.51%) Apache
3 27 (3.58%) Confluence
4 16 (2.12%) Elasticsearch
5 10 (1.33%) Tomcat
6 7 (0.93%) WebSphere
7 6 (0.80%) Adobe Experience Manager
7 6 (0.80%) Cloud Foundry
8 5 (0.66%) Apache Pig
8 5 (0.66%) CMS
8 5 (0.66%) OpenStack
8 5 (0.66%) WebLogic
9 4 (0.53%) Mule
10 3 (0.40%) Apache Solr
10 3 (0.40%) EPiServer
10 3 (0.40%) JBoss
10 3 (0.40%) Oracle SOA Suite
11 2 (0.27%) Sitecore CMS
12 1 (0.13%) IBM Notes
12 1 (0.13%) SharePoint
Applications
1 6 (0.80%) Microsoft Excel
2 2 (0.27%) Microsoft Office
2 2 (0.27%) MS Visio
3 1 (0.13%) Microsoft PowerPoint
3 1 (0.13%) Microsoft Project
Business Applications
1 3 (0.40%) Dynamics CRM
1 3 (0.40%) ION MarketView
1 3 (0.40%) Oracle Retail
2 2 (0.27%) Bloomberg TOMS
2 2 (0.27%) Eloqua
2 2 (0.27%) Oracle Cash Management
2 2 (0.27%) Oracle Financials
2 2 (0.27%) PeopleSoft Financials
3 1 (0.13%) Exstream
3 1 (0.13%) RMDS
Cloud Services
1 137 (18.17%) Amazon AWS
2 89 (11.80%) Microsoft Azure
3 33 (4.38%) GitHub
4 18 (2.39%) npm
4 18 (2.39%) Serverless
5 9 (1.19%) Heroku
6 8 (1.06%) SaaS
7 7 (0.93%) Amazon EC2
7 7 (0.93%) AWS CloudFormation
7 7 (0.93%) AWS Lambda
8 6 (0.80%) Google Play
8 6 (0.80%) PaaS
9 5 (0.66%) Amazon SQS
10 4 (0.53%) Yarn
11 3 (0.40%) Amazon Kinesis
11 3 (0.40%) Amazon S3
11 3 (0.40%) CloudBees
11 3 (0.40%) IaaS
11 3 (0.40%) OpenShift
11 3 (0.40%) Slack
Communications & Networking
1 34 (4.51%) HTTP
2 6 (0.80%) DNS
2 6 (0.80%) FTP
2 6 (0.80%) SSL
2 6 (0.80%) TCP/IP
3 5 (0.66%) Bluetooth
3 5 (0.66%) Internet
4 2 (0.27%) Ethernet
4 2 (0.27%) LDAP
4 2 (0.27%) Unified Communications
4 2 (0.27%) VPLS
5 1 (0.13%) DSL
5 1 (0.13%) FIX Connectivity
5 1 (0.13%) Network Security
5 1 (0.13%) SSH
Database & Business Intelligence
1 107 (14.19%) SQL Server
2 93 (12.33%) MongoDB
3 89 (11.80%) NoSQL
4 63 (8.36%) Big Data
5 44 (5.84%) Hadoop
6 41 (5.44%) MySQL
7 38 (5.04%) Apache Cassandra
8 32 (4.24%) PostgreSQL
9 22 (2.92%) Relational Database
9 22 (2.92%) SQL Server 2016
10 21 (2.79%) Apache Hive
11 16 (2.12%) SQL Server 2012
12 14 (1.86%) HBase
13 13 (1.72%) SQL Server 2014
14 12 (1.59%) Flink
15 10 (1.33%) CouchDB
15 10 (1.33%) Neo4j
16 8 (1.06%) Amazon DynamoDB
16 8 (1.06%) Redis
17 7 (0.93%) Impala
Development Applications
1 139 (18.44%) Git (software)
2 92 (12.20%) Jenkins
3 76 (10.08%) JIRA
4 50 (6.63%) gulp
5 47 (6.23%) Cucumber
6 46 (6.10%) Selenium
7 44 (5.84%) TeamCity
8 41 (5.44%) webpack
9 40 (5.31%) Grunt
10 38 (5.04%) Maven
11 33 (4.38%) Jasmine
12 27 (3.58%) Gradle
13 26 (3.45%) SpecFlow
14 25 (3.32%) NUnit
14 25 (3.32%) Team Foundation Server
15 24 (3.18%) IntelliJ
16 21 (2.79%) JUnit
16 21 (2.79%) Mocha
17 20 (2.65%) WebDriver
18 16 (2.12%) Mockito
General
1 239 (31.70%) Finance
2 187 (24.80%) Banking
3 77 (10.21%) Investment Banking
4 57 (7.56%) Front Office
5 38 (5.04%) Financial Institution
6 30 (3.98%) Retail
7 25 (3.32%) Legal
8 23 (3.05%) Law
9 14 (1.86%) Marketing
10 12 (1.59%) Publishing
10 12 (1.59%) Retail Banking
11 11 (1.46%) Billing
12 9 (1.19%) Games
13 8 (1.06%) Telecoms
14 7 (0.93%) Advertising
14 7 (0.93%) Back Office
15 5 (0.66%) Wholesale Banking
16 3 (0.40%) Manufacturing
17 2 (0.27%) Portuguese Language
17 2 (0.27%) Spanish Language
Job Titles
1 594 (78.78%) Developer
2 187 (24.80%) Java Developer
3 119 (15.78%) Senior Developer
4 92 (12.20%) .NET Developer
5 81 (10.74%) C# Developer
6 59 (7.82%) JavaScript Developer
7 57 (7.56%) Agile Developer
8 56 (7.43%) Full Stack Developer
9 50 (6.63%) Scala Developer
10 44 (5.84%) C# .NET Developer
11 43 (5.70%) Senior Java Developer
12 35 (4.64%) Front End Developer (Client-Side Developer)
13 33 (4.38%) Analyst
14 31 (4.11%) WPF Developer
15 29 (3.85%) Python Developer
16 28 (3.71%) AWS Developer
16 28 (3.71%) Java Engineer
17 25 (3.32%) Angular Developer
17 25 (3.32%) C# WPF Developer
18 24 (3.18%) Agile Java Developer
Libraries, Frameworks & Software Standards
1 179 (23.74%) AngularJS
2 178 (23.61%) HTML
3 177 (23.47%) .NET
4 161 (21.35%) REST
5 144 (19.10%) CSS
6 140 (18.57%) React
7 136 (18.04%) Web Services
8 121 (16.05%) HTML5
9 114 (15.12%) Node.js
10 105 (13.93%) Spring
11 81 (10.74%) RESTful
12 72 (9.55%) JSON
13 68 (9.02%) ASP.NET Web API
14 58 (7.69%) ASP.NET
15 57 (7.56%) SOAP
16 55 (7.29%) WCF
16 55 (7.29%) XML
17 54 (7.16%) Redux
17 54 (7.16%) WPF
18 53 (7.03%) Kafka
Miscellaneous
1 61 (8.09%) Greenfield Project
2 59 (7.82%) User Experience
3 58 (7.69%) Mobile App
4 41 (5.44%) Hedge funds
5 36 (4.77%) Computer Science
6 34 (4.51%) Fintech
7 33 (4.38%) Foreign Exchange (FX)
8 32 (4.24%) Analytical Skills
9 31 (4.11%) Algorithms
10 28 (3.71%) Virtual Team
11 26 (3.45%) Equities
12 25 (3.32%) Derivative
13 24 (3.18%) Data Structures
14 15 (1.99%) Enterprise Software
14 15 (1.99%) Market Risk
15 14 (1.86%) Fixed Income
16 12 (1.59%) Reference Data
17 8 (1.06%) Credit Risk
17 8 (1.06%) Equity Derivative
18 6 (0.80%) Mobile Games
Operating Systems
1 44 (5.84%) Linux
2 43 (5.70%) Apple iOS
3 38 (5.04%) Android
4 29 (3.85%) Windows
5 12 (1.59%) Unix
6 9 (1.19%) Windows Server
7 5 (0.66%) CoreOS
8 1 (0.13%) HPUX
8 1 (0.13%) Mac OS X
8 1 (0.13%) Red Hat Enterprise Linux
8 1 (0.13%) Solaris
8 1 (0.13%) Windows Server 2008
Processes & Methodologies
1 572 (75.86%) Agile Software Development
2 278 (36.87%) BDD
3 180 (23.87%) Continuous Integration
4 168 (22.28%) Scrum
5 149 (19.76%) MVC
6 146 (19.36%) Test Automation
7 127 (16.84%) Microservices
8 120 (15.92%) Pair Programming
9 111 (14.72%) DevOps
10 105 (13.93%) Software Engineering
11 95 (12.60%) OO
12 70 (9.28%) Kanban
13 67 (8.89%) Front End Development
13 67 (8.89%) SOA
13 67 (8.89%) SOLID
14 65 (8.62%) E-Commerce
15 62 (8.22%) Multithreading
16 56 (7.43%) SDLC
17 49 (6.50%) Domain-Driven Design
18 47 (6.23%) Unit Testing
Programming Languages
1 360 (47.75%) Java
2 285 (37.80%) JavaScript
3 189 (25.07%) C#
4 126 (16.71%) SQL
5 88 (11.67%) Scala
6 83 (11.01%) Python
7 48 (6.37%) ES6
8 43 (5.70%) Ruby
9 40 (5.31%) Groovy
10 32 (4.24%) Objective-C
11 30 (3.98%) Apple Swift
11 30 (3.98%) TypeScript
12 25 (3.32%) T-SQL
13 22 (2.92%) C++
14 20 (2.65%) Go
15 19 (2.52%) PHP
16 13 (1.72%) Kotlin
17 9 (1.19%) GraphQL
18 8 (1.06%) Apex Code
19 6 (0.80%) Clojure
Qualifications
1 52 (6.90%) Degree
2 17 (2.25%) Computer Science Degree
3 5 (0.66%) Security Cleared
4 3 (0.40%) SC Cleared
5 2 (0.27%) ISTQB
5 2 (0.27%) Master's Degree
6 1 (0.13%) CFA
6 1 (0.13%) ISEB
6 1 (0.13%) ISTQB Advanced Certification
6 1 (0.13%) ISTQB Foundation Certification
6 1 (0.13%) MCP
6 1 (0.13%) MCPD
6 1 (0.13%) Microsoft Certification
6 1 (0.13%) Numerate Degree
Quality Assurance & Compliance
1 54 (7.16%) QA
2 6 (0.80%) MiFID
3 4 (0.53%) PCI DSS
4 2 (0.27%) EMIR
5 1 (0.13%) Dodd-Frank
5 1 (0.13%) WCAG
System Software
1 77 (10.21%) Docker
2 12 (1.59%) Active Directory
3 7 (0.93%) HDFS
4 1 (0.13%) Apache Flume
4 1 (0.13%) Apache ZooKeeper
Systems Management
1 23 (3.05%) Ansible
2 21 (2.79%) Opscode Chef
3 18 (2.39%) Puppet
4 10 (1.33%) Terraform
5 6 (0.80%) Docker Swarm
5 6 (0.80%) Grafana
6 4 (0.53%) Kubernetes
7 3 (0.40%) Mesos
8 2 (0.27%) Kibana
9 1 (0.13%) Apache Slider
9 1 (0.13%) CA Service Virtualization
9 1 (0.13%) Graphite
9 1 (0.13%) HP SiteScope
9 1 (0.13%) MOM
9 1 (0.13%) Nagios
9 1 (0.13%) Oozie
9 1 (0.13%) Rancher
9 1 (0.13%) Systems Management Server (SMS)
9 1 (0.13%) ZABBIX
Vendors
1 34 (4.51%) Microsoft
2 28 (3.71%) Oracle
3 22 (2.92%) Apigee
4 21 (2.79%) New Relic
4 21 (2.79%) Salesforce.com
5 16 (2.12%) Google
6 10 (1.33%) IBM
7 9 (1.19%) Atlassian
7 9 (1.19%) Xamarin
8 7 (0.93%) Apple
9 6 (0.80%) Adobe
9 6 (0.80%) HP
10 5 (0.66%) Reuters
10 5 (0.66%) Sybase
10 5 (0.66%) TIBCO
11 4 (0.53%) ION Trading
12 3 (0.40%) Cloudera
12 3 (0.40%) Retek
12 3 (0.40%) Sitecore
12 3 (0.40%) Telerik