Period
to 20 July 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 20 July 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
20 Jul 2018
Same period 2017 Same period 2016
Rank 12 10 10
Rank change year-on-year -2 0 +11
Contract jobs citing TDD 748 663 730
As % of all contract IT jobs advertised in the City of London 10.53% 10.29% 10.66%
As % of the Processes & Methodologies category 12.12% 11.70% 12.20%
Number of daily rates quoted 649 576 682
City of London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +2.56%
10th Percentile £413 £375 £363
90th Percentile £700 £650 £650
Central London median daily rate £525 £513 £500
% change year-on-year +2.44% +2.50% +5.26%
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 6,172 5,666 5,986
As % of all contract IT jobs advertised in the City of London 86.89% 87.93% 87.37%
Number of daily rates quoted 4,880 4,372 4,818
City of London median daily rate £513 £500 £475
Median daily rate % change year-on-year +2.50% +5.26% +5.56%
10th Percentile £338 £313 £310
90th Percentile £688 £675 £650
Central London median daily rate £500 £500 £473
% change year-on-year - +5.82% +5.00%
Number of hourly rates quoted 111 56 56
City of London median hourly rate £18.70 £20.52 £19.99
Median hourly rate % change year-on-year -8.87% +2.64% -4.80%
10th Percentile £13.00 £13.31 £11.38
90th Percentile £33.00 £32.06 £37.91
Central London median hourly rate £18.70 £18.70 £20.00
% change year-on-year - -6.50% -1.10%

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 July 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 20 July 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 -6 6 £550 -
Moorgate - 3 £400 -
TDD
Central London

For the 6 months to 20 July 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.

1 543 (72.59%) Agile Software Development
2 315 (42.11%) Java
3 283 (37.83%) BDD
4 236 (31.55%) JavaScript
5 218 (29.14%) Finance
6 193 (25.80%) Amazon AWS
7 187 (25.00%) C#
8 179 (23.93%) Microservices
9 178 (23.80%) .NET
10 169 (22.59%) REST
11 167 (22.33%) HTML
12 165 (22.06%) Git (software)
13 157 (20.99%) DevOps
14 155 (20.72%) Scrum
15 152 (20.32%) Java 8
16 147 (19.65%) CSS
17 143 (19.12%) AngularJS
18 142 (18.98%) Continuous Integration
19 137 (18.32%) Docker
20 135 (18.05%) React
20 135 (18.05%) Microsoft Azure
21 122 (16.31%) Node.js
22 115 (15.37%) Spring
22 115 (15.37%) Greenfield Project
23 111 (14.84%) Banking
24 110 (14.71%) MVC
24 110 (14.71%) SQL
25 109 (14.57%) HTML5
26 108 (14.44%) Python
27 107 (14.30%) Software Engineering

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 37 (4.95%) Apache
2 29 (3.88%) Cloud Foundry
3 28 (3.74%) Elasticsearch
4 27 (3.61%) Apache Spark
5 15 (2.01%) Tomcat
6 14 (1.87%) Confluence
7 11 (1.47%) NServiceBus
8 10 (1.34%) CMS
9 9 (1.20%) JBoss
10 7 (0.94%) OpenStack
10 7 (0.94%) WebLogic
10 7 (0.94%) WebSphere
11 6 (0.80%) MQSeries
12 5 (0.67%) Apache Pig
13 4 (0.53%) Umbraco
14 3 (0.40%) ArcGIS
14 3 (0.40%) IIS
14 3 (0.40%) Jetty
15 2 (0.27%) Apache Solr
15 2 (0.27%) EPiServer
Applications
1 7 (0.94%) Microsoft Excel
2 1 (0.13%) Chatbot
2 1 (0.13%) Microsoft Office
Business Applications
1 3 (0.40%) Distributed Ledger
2 2 (0.27%) Dynamics CRM
2 2 (0.27%) SDL Web 8
3 1 (0.13%) Summit
Cloud Services
1 193 (25.80%) Amazon AWS
2 135 (18.05%) Microsoft Azure
3 56 (7.49%) Heroku
4 40 (5.35%) npm
5 29 (3.88%) GitHub
6 26 (3.48%) Google Cloud Platform
7 21 (2.81%) Cloud Computing
8 17 (2.27%) IBM Cloud
9 14 (1.87%) IaaS
9 14 (1.87%) Serverless
10 13 (1.74%) Amazon S3
10 13 (1.74%) PaaS
11 10 (1.34%) Amazon EC2
12 9 (1.20%) Amazon SQS
12 9 (1.20%) AWS Lambda
13 7 (0.94%) Amazon CloudWatch
14 6 (0.80%) Amazon Kinesis
14 6 (0.80%) SaaS
15 4 (0.53%) Amazon EMR
16 3 (0.40%) AWS CloudFormation
Communications & Networking
1 49 (6.55%) HTTP
2 39 (5.21%) TCP/IP
3 27 (3.61%) DNS
3 27 (3.61%) FTP
3 27 (3.61%) SSL
4 5 (0.67%) SMS
5 3 (0.40%) Internet
6 2 (0.27%) Bluetooth
6 2 (0.27%) DKIM
6 2 (0.27%) DMARC
7 1 (0.13%) AMQP
7 1 (0.13%) Firewall
7 1 (0.13%) FIX Connectivity
7 1 (0.13%) Intranet
7 1 (0.13%) Network Security
Database & Business Intelligence
1 103 (13.77%) SQL Server
2 84 (11.23%) NoSQL
3 57 (7.62%) MongoDB
4 53 (7.09%) PostgreSQL
5 40 (5.35%) MySQL
6 38 (5.08%) Relational Database
6 38 (5.08%) SQL Server 2012
7 35 (4.68%) Big Data
8 33 (4.41%) SQL Server 2016
9 28 (3.74%) Hadoop
10 27 (3.61%) SQL Server 2014
11 25 (3.34%) Redis
12 16 (2.14%) Apache Cassandra
13 12 (1.60%) Cosmos DB
14 8 (1.07%) Blockchain
15 7 (0.94%) Apache Hive
15 7 (0.94%) Data Lake
16 6 (0.80%) Amazon Redshift
16 6 (0.80%) Couchbase
16 6 (0.80%) RDBMS
Development Applications
1 165 (22.06%) Git (software)
2 97 (12.97%) Jenkins
3 62 (8.29%) Maven
4 49 (6.55%) Gradle
4 49 (6.55%) JUnit
5 46 (6.15%) webpack
6 43 (5.75%) GitLab
7 42 (5.61%) Selenium
8 41 (5.48%) JIRA
8 41 (5.48%) Mockito
9 40 (5.35%) gulp
10 30 (4.01%) Ant
10 30 (4.01%) NUnit
10 30 (4.01%) SpecFlow
11 27 (3.61%) Sonatype Nexus
12 25 (3.34%) SonarQube
13 24 (3.21%) Cucumber
13 24 (3.21%) Grunt
13 24 (3.21%) TeamCity
14 21 (2.81%) Jasmine
General
1 218 (29.14%) Finance
2 111 (14.84%) Banking
3 40 (5.35%) Investment Banking
4 34 (4.55%) Financial Institution
5 24 (3.21%) Retail
6 23 (3.07%) Front Office
7 21 (2.81%) Games
8 14 (1.87%) Law
9 11 (1.47%) Marketing
9 11 (1.47%) Retail Banking
10 10 (1.34%) Back Office
11 8 (1.07%) Publishing
12 6 (0.80%) Advertising
12 6 (0.80%) Legal
13 3 (0.40%) Automotive
14 2 (0.27%) Electronics
14 2 (0.27%) Manufacturing
14 2 (0.27%) Prime Brokerage
14 2 (0.27%) Private Banking
14 2 (0.27%) Telecoms
Job Titles
1 587 (78.48%) Developer
2 221 (29.55%) Java Developer
3 108 (14.44%) Senior Developer
4 100 (13.37%) C# Developer
5 81 (10.83%) .NET Developer
6 52 (6.95%) Senior Java Developer
7 48 (6.42%) JavaScript Developer
8 46 (6.15%) Agile Developer
9 44 (5.88%) React Developer
10 42 (5.61%) Full Stack Developer
11 36 (4.81%) Agile Java Developer
12 35 (4.68%) Front End Developer (Client-Side Developer)
13 34 (4.55%) C# .NET Developer
13 34 (4.55%) Software Engineer
14 32 (4.28%) DevOps Engineer
15 30 (4.01%) Angular Developer
16 28 (3.74%) Senior DevOps
17 27 (3.61%) Lead Developer
18 25 (3.34%) Senior DevOps Engineer
18 25 (3.34%) WPF Developer
Libraries, Frameworks & Software Standards
1 178 (23.80%) .NET
2 169 (22.59%) REST
3 167 (22.33%) HTML
4 147 (19.65%) CSS
5 143 (19.12%) AngularJS
6 135 (18.05%) React
7 122 (16.31%) Node.js
8 115 (15.37%) Spring
9 109 (14.57%) HTML5
10 89 (11.90%) RESTful
11 79 (10.56%) ASP.NET
12 72 (9.63%) Web Services
13 68 (9.09%) ASP.NET Web API
14 63 (8.42%) SOAP
15 55 (7.35%) CSS3
16 53 (7.09%) ASP.NET MVC
17 52 (6.95%) JSON
18 50 (6.68%) Redux
18 50 (6.68%) Spring Boot
19 49 (6.55%) Kafka
Miscellaneous
1 115 (15.37%) Greenfield Project
2 58 (7.75%) Fintech
3 41 (5.48%) User Experience
4 33 (4.41%) Mobile App
5 32 (4.28%) iPad
6 29 (3.88%) Derivative
7 24 (3.21%) Computer Science
8 20 (2.67%) Fixed Income
9 18 (2.41%) Equity Derivative
10 17 (2.27%) Algorithms
11 16 (2.14%) Equities
11 16 (2.14%) Foreign Exchange (FX)
12 15 (2.01%) Analytical Skills
13 14 (1.87%) Cloud Native
14 12 (1.60%) Credit Risk
14 12 (1.60%) Data Structures
14 12 (1.60%) Virtual Team
15 11 (1.47%) Enterprise Software
15 11 (1.47%) Hedge funds
16 8 (1.07%) Self-Motivation
Operating Systems
1 81 (10.83%) Linux
2 44 (5.88%) Unix
3 20 (2.67%) Apple iOS
4 16 (2.14%) Windows
5 15 (2.01%) Android
6 5 (0.67%) Windows Server
7 4 (0.53%) Mac OS X
8 3 (0.40%) CoreOS
9 2 (0.27%) Oracle Linux
9 2 (0.27%) VMS
9 2 (0.27%) Windows Server 2008
10 1 (0.13%) Mac OS
Processes & Methodologies
1 543 (72.59%) Agile Software Development
2 283 (37.83%) BDD
3 179 (23.93%) Microservices
4 157 (20.99%) DevOps
5 155 (20.72%) Scrum
6 142 (18.98%) Continuous Integration
7 110 (14.71%) MVC
8 107 (14.30%) Software Engineering
9 98 (13.10%) Multithreading
9 98 (13.10%) OO
10 96 (12.83%) Pair Programming
11 90 (12.03%) Test Automation
12 76 (10.16%) Continuous Delivery
13 74 (9.89%) Kanban
14 70 (9.36%) Unit Testing
15 69 (9.22%) E-Commerce
16 54 (7.22%) Front End Development
17 51 (6.82%) SOA
18 43 (5.75%) SOLID
19 41 (5.48%) Digital Transformation Programme
Programming Languages
1 315 (42.11%) Java
2 236 (31.55%) JavaScript
3 187 (25.00%) C#
4 152 (20.32%) Java 8
5 110 (14.71%) SQL
6 108 (14.44%) Python
7 75 (10.03%) Ruby
8 65 (8.69%) Scala
9 64 (8.56%) Groovy
10 53 (7.09%) ES6
11 51 (6.82%) TypeScript
12 41 (5.48%) Kotlin
13 40 (5.35%) Bash Shell
14 23 (3.07%) Go
15 19 (2.54%) PHP
16 12 (1.60%) Shell Script
17 11 (1.47%) T-SQL
18 10 (1.34%) VB.NET
19 9 (1.20%) C++
19 9 (1.20%) PowerShell
Qualifications
1 57 (7.62%) Degree
2 13 (1.74%) Computer Science Degree
2 13 (1.74%) Security Cleared
3 9 (1.20%) SC Cleared
4 4 (0.53%) DV Cleared
5 3 (0.40%) Numerate Degree
6 2 (0.27%) Master's Degree
7 1 (0.13%) BPSS Clearance
7 1 (0.13%) DBS Check
7 1 (0.13%) ISEB
Quality Assurance & Compliance
1 36 (4.81%) QA
2 21 (2.81%) GCP
3 4 (0.53%) Data Quality
4 3 (0.40%) PCI DSS
5 2 (0.27%) Disclosure Scotland
5 2 (0.27%) HMG Security Policy Framework
5 2 (0.27%) PMO
5 2 (0.27%) SLA
6 1 (0.13%) GDPR
6 1 (0.13%) MiFID
System Software
1 137 (18.32%) Docker
2 4 (0.53%) Active Directory
3 2 (0.27%) HDFS
4 1 (0.13%) Platform Symphony
4 1 (0.13%) Virtual Desktop
Systems Management
1 65 (8.69%) Kubernetes
2 36 (4.81%) Ansible
3 35 (4.68%) Mesos
4 29 (3.88%) Terraform
5 27 (3.61%) Puppet
6 24 (3.21%) Consul
7 17 (2.27%) Docker Swarm
8 15 (2.01%) Opscode Chef
9 10 (1.34%) Marathon
10 9 (1.20%) Prometheus
11 5 (0.67%) Grafana
11 5 (0.67%) HP ALM
11 5 (0.67%) Kibana
11 5 (0.67%) logstash
12 4 (0.53%) Business Desktop Deployment
12 4 (0.53%) systemd
13 2 (0.27%) Control-M
14 1 (0.13%) EMC NetWorker
14 1 (0.13%) Hadoop YARN
14 1 (0.13%) rkt
Vendors
1 34 (4.55%) Microsoft
2 33 (4.41%) Oracle
3 21 (2.81%) IBM
4 15 (2.01%) Splunk
5 10 (1.34%) Sybase
6 8 (1.07%) Google
7 7 (0.94%) AppDynamics
7 7 (0.94%) New Relic
7 7 (0.94%) Rollbar
8 6 (0.80%) TIBCO
9 5 (0.67%) HP
9 5 (0.67%) Salesforce.com
10 4 (0.53%) Apigee
10 4 (0.53%) Apple
10 4 (0.53%) Cadence
10 4 (0.53%) Citrix
10 4 (0.53%) Sitecore
11 3 (0.40%) Atlassian
11 3 (0.40%) DevExpress
11 3 (0.40%) Hortonworks