Period
to 14 November 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 14 November 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
14 Nov 2018
Same period 2017 Same period 2016
Rank 9 10 11
Rank change year-on-year +1 +1 +7
Contract jobs citing TDD 867 759 731
As % of all contract IT jobs advertised in the City of London 12.28% 10.63% 10.93%
As % of the Processes & Methodologies category 14.15% 11.91% 12.37%
Number of daily rates quoted 778 655 665
City of London median daily rate £533 £525 £500
Median daily rate % change year-on-year +1.43% +5.00% -
10th Percentile £425 £413 £369
90th Percentile £675 £669 £650
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% -
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 6,128 6,374 5,911
As % of all contract IT jobs advertised in the City of London 86.76% 89.25% 88.38%
Number of daily rates quoted 4,882 5,057 4,722
City of London median daily rate £505 £505 £475
Median daily rate % change year-on-year - +6.32% +2.70%
10th Percentile £325 £325 £313
90th Percentile £675 £688 £663
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 96 59 55
City of London median hourly rate £18.85 £18.70 £20.00
Median hourly rate % change year-on-year +0.80% -6.50% -
10th Percentile £13.16 £13.34 £12.15
90th Percentile £33.38 £30.90 £49.08
Central London median hourly rate £19.00 £19.50 £19.00
% change year-on-year -2.56% +2.63% -

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 14 November 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 14 November 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 -3 77 £575 +4.55%
Moorgate - 7 £525 -
TDD
Central London

For the 6 months to 14 November 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.

1 607 (70.01%) Agile Software Development
2 372 (42.91%) Java
3 327 (37.72%) BDD
4 278 (32.06%) JavaScript
5 251 (28.95%) Microservices
6 229 (26.41%) Finance
7 221 (25.49%) Amazon AWS
8 205 (23.64%) C#
9 192 (22.15%) .NET
10 191 (22.03%) HTML
11 178 (20.53%) Microsoft Azure
12 171 (19.72%) Continuous Integration
13 168 (19.38%) AngularJS
14 166 (19.15%) CSS
14 166 (19.15%) Spring
15 161 (18.57%) Docker
16 158 (18.22%) Git (software)
17 156 (17.99%) OO
17 156 (17.99%) Greenfield Project
18 151 (17.42%) DevOps
19 150 (17.30%) Java 8
20 146 (16.84%) React
21 140 (16.15%) REST
22 137 (15.80%) Scrum
23 132 (15.22%) SQL
24 126 (14.53%) RESTful
25 118 (13.61%) Test Automation
26 117 (13.49%) NoSQL
27 112 (12.92%) Software Engineering
28 107 (12.34%) MVC

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 (4.96%) Elasticsearch
1 43 (4.96%) Tomcat
2 41 (4.73%) WebLogic
3 33 (3.81%) WebSphere
4 32 (3.69%) OpenStack
5 30 (3.46%) CMS
6 26 (3.00%) Apache Spark
7 23 (2.65%) Confluence
8 18 (2.08%) Cloud Foundry
9 17 (1.96%) Apache
10 13 (1.50%) JBoss
10 13 (1.50%) NServiceBus
11 5 (0.58%) MQSeries
12 4 (0.46%) Apache Airflow
12 4 (0.46%) IIS
13 3 (0.35%) Mule
13 3 (0.35%) Oracle SOA Suite
13 3 (0.35%) SharePoint
14 2 (0.23%) Apache Solr
14 2 (0.23%) Umbraco
Applications
1 8 (0.92%) Microsoft Excel
2 2 (0.23%) Adobe Illustrator
2 2 (0.23%) InVision
2 2 (0.23%) Snapchat
Business Applications
1 2 (0.23%) Distributed Ledger
1 2 (0.23%) Payment Gateway
2 1 (0.12%) SDL Web 8
2 1 (0.12%) Summit
Cloud Services
1 221 (25.49%) Amazon AWS
2 178 (20.53%) Microsoft Azure
3 28 (3.23%) Google Cloud Platform
3 28 (3.23%) Heroku
4 25 (2.88%) GitHub
4 25 (2.88%) npm
5 17 (1.96%) Serverless
6 14 (1.61%) Cloud Computing
7 13 (1.50%) Amazon EC2
7 13 (1.50%) PaaS
8 9 (1.04%) IBM Cloud
9 8 (0.92%) Amazon S3
10 7 (0.81%) Amazon SQS
10 7 (0.81%) AWS Lambda
11 6 (0.69%) IaaS
12 4 (0.46%) Amazon Kinesis
12 4 (0.46%) OpenShift
13 3 (0.35%) SaaS
14 2 (0.23%) AWS CloudFormation
14 2 (0.23%) Datadog
Communications & Networking
1 27 (3.11%) HTTP
2 13 (1.50%) TCP/IP
3 12 (1.38%) DNS
4 11 (1.27%) FTP
5 10 (1.15%) SSL
6 4 (0.46%) Firewall
6 4 (0.46%) Internet
7 3 (0.35%) AMQP
8 2 (0.23%) DMARC
8 2 (0.23%) HTTPS
8 2 (0.23%) SMS
9 1 (0.12%) LAN
9 1 (0.12%) Network Security
9 1 (0.12%) SMTP
9 1 (0.12%) SSH
Database & Business Intelligence
1 117 (13.49%) NoSQL
2 99 (11.42%) SQL Server
3 72 (8.30%) MongoDB
3 72 (8.30%) PostgreSQL
4 58 (6.69%) MySQL
5 50 (5.77%) Redis
6 45 (5.19%) Apache Cassandra
7 39 (4.50%) Relational Database
8 36 (4.15%) Cosmos DB
9 24 (2.77%) Azure SQL Database
9 24 (2.77%) Hadoop
9 24 (2.77%) Riak
9 24 (2.77%) SQL Server 2012
10 22 (2.54%) Big Data
11 18 (2.08%) SQL Server 2016
12 14 (1.61%) Data Lake
12 14 (1.61%) SQL Server 2014
13 12 (1.38%) Impala
14 10 (1.15%) Apache Hive
15 9 (1.04%) HBase
Development Applications
1 158 (18.22%) Git (software)
2 101 (11.65%) Jenkins
3 91 (10.50%) Maven
4 70 (8.07%) Selenium
5 58 (6.69%) JUnit
6 57 (6.57%) NUnit
7 49 (5.65%) Cucumber
8 45 (5.19%) JIRA
9 44 (5.07%) SpecFlow
10 41 (4.73%) Mockito
11 39 (4.50%) MSTest
12 36 (4.15%) webpack
13 31 (3.58%) gulp
14 30 (3.46%) Gradle
15 24 (2.77%) TeamCity
15 24 (2.77%) WebDriver
16 23 (2.65%) GitLab
17 22 (2.54%) Octopus Deploy
18 21 (2.42%) Babel
18 21 (2.42%) Visual Studio Team System
General
1 229 (26.41%) Finance
2 105 (12.11%) Banking
3 33 (3.81%) Investment Banking
4 32 (3.69%) Front Office
5 28 (3.23%) Publishing
6 24 (2.77%) Financial Institution
7 23 (2.65%) Law
8 19 (2.19%) Retail
9 11 (1.27%) Back Office
10 10 (1.15%) Advertising
11 8 (0.92%) Games
12 7 (0.81%) Pharmaceutical
13 6 (0.69%) Automotive
13 6 (0.69%) Marketing
14 5 (0.58%) Billing
15 4 (0.46%) Telecoms
16 3 (0.35%) Multimedia
17 2 (0.23%) Prime Brokerage
17 2 (0.23%) Retail Banking
18 1 (0.12%) Legal
Job Titles
1 671 (77.39%) Developer
2 266 (30.68%) Java Developer
3 153 (17.65%) Senior Developer
4 94 (10.84%) .NET Developer
5 81 (9.34%) Senior Java Developer
6 79 (9.11%) C# Developer
7 65 (7.50%) Front End Developer (Client-Side Developer)
8 59 (6.81%) React Developer
9 49 (5.65%) JavaScript Developer
10 46 (5.31%) Angular Developer
11 40 (4.61%) AWS Developer
12 39 (4.50%) Full Stack Developer
13 32 (3.69%) Azure Developer
14 30 (3.46%) Agile Developer
14 30 (3.46%) C# .NET Developer
15 29 (3.34%) Agile Java Developer
16 27 (3.11%) Lead Developer
16 27 (3.11%) Software Engineer
17 23 (2.65%) Scala Developer
18 22 (2.54%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 192 (22.15%) .NET
2 191 (22.03%) HTML
3 168 (19.38%) AngularJS
4 166 (19.15%) CSS
4 166 (19.15%) Spring
5 146 (16.84%) React
6 140 (16.15%) REST
7 126 (14.53%) RESTful
8 104 (12.00%) Node.js
9 102 (11.76%) HTML5
10 99 (11.42%) Spring Boot
11 77 (8.88%) Web Services
12 66 (7.61%) .NET Core
13 64 (7.38%) JSON
14 62 (7.15%) Hibernate
14 62 (7.15%) Sass
15 60 (6.92%) ASP.NET Web API
16 58 (6.69%) CSS3
17 52 (6.00%) ASP.NET
18 47 (5.42%) Redux
Miscellaneous
1 156 (17.99%) Greenfield Project
2 76 (8.77%) Fintech
3 71 (8.19%) User Experience
4 58 (6.69%) Computer Science
5 34 (3.92%) Mobile App
6 26 (3.00%) Fixed Income
7 24 (2.77%) Derivative
8 23 (2.65%) Foreign Exchange (FX)
9 22 (2.54%) Analytical Skills
10 21 (2.42%) iPad
11 20 (2.31%) Equities
12 19 (2.19%) Data Structures
13 11 (1.27%) Self-Motivation
14 10 (1.15%) Algorithms
14 10 (1.15%) Enterprise Software
15 8 (0.92%) Equity Derivative
16 7 (0.81%) Credit Risk
16 7 (0.81%) Video on Demand
16 7 (0.81%) Video\Live Streaming
17 6 (0.69%) Tandem
Operating Systems
1 70 (8.07%) Linux
2 34 (3.92%) Unix
3 24 (2.77%) Android
4 21 (2.42%) Apple iOS
5 20 (2.31%) Windows
6 8 (0.92%) Windows Server
7 3 (0.35%) Mac OS X
7 3 (0.35%) VMS
8 1 (0.12%) CoreOS
8 1 (0.12%) Mac OS
8 1 (0.12%) Oracle Linux
8 1 (0.12%) tvOS
Processes & Methodologies
1 607 (70.01%) Agile Software Development
2 327 (37.72%) BDD
3 251 (28.95%) Microservices
4 171 (19.72%) Continuous Integration
5 156 (17.99%) OO
6 151 (17.42%) DevOps
7 137 (15.80%) Scrum
8 118 (13.61%) Test Automation
9 112 (12.92%) Software Engineering
10 107 (12.34%) MVC
11 101 (11.65%) Front End Development
12 91 (10.50%) Pair Programming
13 79 (9.11%) Unit Testing
14 73 (8.42%) Multithreading
15 70 (8.07%) Continuous Delivery
16 65 (7.50%) E-Commerce
16 65 (7.50%) Kanban
17 48 (5.54%) OOP
18 44 (5.07%) Digital Transformation Programme
18 44 (5.07%) SOA
Programming Languages
1 372 (42.91%) Java
2 278 (32.06%) JavaScript
3 205 (23.64%) C#
4 150 (17.30%) Java 8
5 132 (15.22%) SQL
6 88 (10.15%) Python
7 57 (6.57%) TypeScript
8 52 (6.00%) Kotlin
9 49 (5.65%) Scala
10 41 (4.73%) Ruby
11 40 (4.61%) ES6
12 26 (3.00%) Bash Shell
12 26 (3.00%) C
13 20 (2.31%) PHP
14 18 (2.08%) Groovy
14 18 (2.08%) PowerShell
14 18 (2.08%) T-SQL
15 16 (1.85%) Go
16 12 (1.38%) Apple Swift
17 11 (1.27%) Shell Script
Qualifications
1 81 (9.34%) Degree
2 26 (3.00%) Computer Science Degree
3 5 (0.58%) Numerate Degree
4 3 (0.35%) SC Cleared
4 3 (0.35%) Security Cleared
5 1 (0.12%) AWS Certification
5 1 (0.12%) BPSS Clearance
5 1 (0.12%) DBS Check
5 1 (0.12%) ISTQB
5 1 (0.12%) Master's Degree
Quality Assurance & Compliance
1 52 (6.00%) QA
2 3 (0.35%) Disclosure Scotland
3 2 (0.23%) PSD2
4 1 (0.12%) Data Quality
4 1 (0.12%) GDPR
4 1 (0.12%) PCI DSS
4 1 (0.12%) SLA
4 1 (0.12%) WCAG
System Software
1 161 (18.57%) Docker
2 7 (0.81%) HDFS
3 6 (0.69%) VMware Infrastructure
3 6 (0.69%) vSphere
4 2 (0.23%) Active Directory
5 1 (0.12%) Platform Symphony
5 1 (0.12%) Virtual Machines
Systems Management
1 87 (10.03%) Kubernetes
2 67 (7.73%) Ansible
3 55 (6.34%) Puppet
4 49 (5.65%) Opscode Chef
5 42 (4.84%) Terraform
6 13 (1.50%) Mesos
7 11 (1.27%) Consul
8 10 (1.15%) Kibana
9 8 (0.92%) Docker Swarm
9 8 (0.92%) logstash
10 6 (0.69%) Hadoop YARN
11 5 (0.58%) systemd
12 4 (0.46%) Grafana
13 3 (0.35%) Single Sign-On
14 2 (0.23%) Business Desktop Deployment
14 2 (0.23%) Fluentd
14 2 (0.23%) HP ALM
14 2 (0.23%) Marathon
14 2 (0.23%) Nagios
14 2 (0.23%) Prometheus
Vendors
1 67 (7.73%) Oracle
2 38 (4.38%) Microsoft
3 19 (2.19%) Sybase
4 16 (1.85%) Atlassian
5 14 (1.61%) Google
6 12 (1.38%) Splunk
7 11 (1.27%) IBM
8 10 (1.15%) Apple
8 10 (1.15%) Cadence
9 9 (1.04%) TIBCO
10 7 (0.81%) Progress
10 7 (0.81%) Salesforce.com
11 6 (0.69%) AppDynamics
11 6 (0.69%) Cloudera
11 6 (0.69%) Escenic
11 6 (0.69%) VMware
12 5 (0.58%) Citrix
13 4 (0.46%) Terracotta
14 3 (0.35%) Sitecore
15 2 (0.23%) DevExpress